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| author | Dave Airlie <airlied@redhat.com> | 2019-08-06 04:41:39 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2019-08-06 04:49:12 +0200 |
| commit | dce14e36aea23183ccd315fbc6b0fca027bf73f5 (patch) | |
| tree | d1ab64f087b43df1c5f3499cab23fffd2bd7f694 | |
| parent | Linux 5.3-rc3 (diff) | |
| parent | drm/i915: Update DRIVER_DATE to 20190730 (diff) | |
| download | linux-dce14e36aea23183ccd315fbc6b0fca027bf73f5.tar.xz linux-dce14e36aea23183ccd315fbc6b0fca027bf73f5.zip | |
Merge tag 'drm-intel-next-2019-07-30' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
- More changes on simplifying locking mechanisms (Chris)
- Selftests fixes and improvements (Chris)
- More work around engine tracking for better handling (Chris, Tvrtko)
- HDCP debug and info improvements (Ram, Ashuman)
- Add DSI properties (Vandita)
- Rework on sdvo support for better debuggability before fixing bugs (Ville)
- Display PLLs fixes and improvements, specially targeting Ice Lake (Imre, Matt, Ville)
- Perf fixes and improvements (Lionel)
- Enumerate scratch buffers (Lionel)
- Add infra to hold off preemption on a request (Lionel)
- Ice Lake color space fixes (Uma)
- Type-C fixes and improvements (Lucas)
- Fix and improvements around workarounds (Chris, John, Tvrtko)
- GuC related fixes and improvements (Chris, Daniele, Michal, Tvrtko)
- Fix on VLV/CHV display power domain (Ville)
- Improvements around Watermark (Ville)
- Favor intel_ types on intel_atomic functions (Ville)
- Don’t pass stack garbage to pcode (Ville)
- Improve display tracepoints (Steven)
- Don’t overestimate 4:2:0 link symbol clock (Ville)
- Add support for 4th pipe and transcoder (Lucas)
- Introduce initial support for Tiger Lake platform (Daniele, Lucas, Mahesh, Jose, Imre, Mika, Vandita, Rodrigo, Michel)
- PPGTT allocation simplification (Chris)
- Standardize function names and suffixes to make clean, symmetric and let checkpatch happy (Janusz)
- Skip SINK_COUNT read on CH7511 (Ville)
- Fix on kernel documentation (Chris, Michal)
- Add modular FIA (Anusha, Lucas)
- Fix EHL display (Matt, Vivek)
- Enable hotplug retry (Imre, Jose)
- Disable preemption under GVT (Chris)
- OA; Reconfigure context on the fly (Chris)
- Fixes and improvements around engine reset. (Chris)
- Small clean up on display pipe fault mask (Ville)
- Make sure cdclk is high enough for DP audio on VLV/CHV (Ville)
- Drop some wmb() and improve pwrite flush (Chris)
- Fix critical PSR regression (DK)
- Remove unused variables (YueHaibing)
- Use dev_get_drvdata for simplification (Chunhong)
- Use upstream version of header tests (Jani)
drm-intel-next-2019-07-08:
- Signal fence completion from i915_request_wait (Chris)
- Fixes and improvements around rings pin/unpin (Chris)
- Display uncore prep patches (Daniele)
- Execlists preemption improvements (Chris)
- Selftests fixes and improvements (Chris)
- More Elkhartlake enabling work (Vandita, Jose, Matt, Vivek)
- Defer address space cleanup to an RCU worker (Chris)
- Implicit dev_priv removal and GT compartmentalization and other related follow-ups (Tvrtko, Chris)
- Prevent dereference of engine before NULL check in error capture (Chris)
- GuC related fixes (Daniele, Robert)
- Many changes on active tracking, timelines and locking mechanisms (Chris)
- Disable SAMPLER_STATE prefetching on Gen11 (HW W/a) (Kenneth)
- I915_perf fixes (Lionel)
- Add Ice Lake PCI ID (Mika)
- eDP backlight fix (Lee)
- Fix various gen2 tracepoints (Ville)
- Some irq vfunc clean-up and improvements (Ville)
- Move OA files to separated folder (Michal)
- Display self contained headers clean-up (Jani)
- Preparation for 4th pile (Lucas)
- Move atomic commit, watermark and other places to use more intel_crtc_state (Maarten)
- Many Ice Lake Type C and Thunderbolt fixes (Imre)
- Fix some Ice Lake hw w/a whitelist regs (Lionel)
- Fix memleak in runtime wakeref tracking (Mika)
- Remove unused Private PPAT manager (Michal)
- Don't check PPGTT presence on PPGTT-only platforms (Michal)
- Fix ICL DSI suspend/resume (Chris)
- Fix ICL Bandwidth issues (Ville)
- Add N & CTS values for 10/12 bit deep color (Aditya)
- Moving more GT related stuff under gt folder (Chris)
- Forcewake related fixes (Chris)
- Show support for accurate sw PMU busyness tracking (Chris)
- Handle gtt double alloc failures (Chris)
- Upgrade to new GuC version (Michal)
- Improve w/a debug dumps and pull engine w/a initialization into a common (Chris)
- Look for instdone on all engines at hangcheck (Tvrtko)
- Engine lookup simplification (Chris)
- Many plane color formats fixes and improvements (Ville)
- Fix some compilation issues (YueHaibing)
- GTT page directory clean up and improvements (Mika)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190801201314.GA23635@intel.com
248 files changed, 12991 insertions, 10410 deletions
diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst index c38ef0dda605..0e322688be5c 100644 --- a/Documentation/gpu/i915.rst +++ b/Documentation/gpu/i915.rst @@ -430,31 +430,31 @@ WOPCM Layout GuC === +Firmware Layout +------------------- + +.. kernel-doc:: drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h + :doc: Firmware Layout + GuC-specific firmware loader ---------------------------- -.. kernel-doc:: drivers/gpu/drm/i915/intel_guc_fw.c +.. kernel-doc:: drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c :internal: GuC-based command submission ---------------------------- -.. kernel-doc:: drivers/gpu/drm/i915/intel_guc_submission.c +.. kernel-doc:: drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c :doc: GuC-based command submission -.. kernel-doc:: drivers/gpu/drm/i915/intel_guc_submission.c +.. kernel-doc:: drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c :internal: -GuC Firmware Layout -------------------- - -.. kernel-doc:: drivers/gpu/drm/i915/intel_guc_fwif.h - :doc: GuC Firmware Layout - GuC Address Space ----------------- -.. kernel-doc:: drivers/gpu/drm/i915/intel_guc.c +.. kernel-doc:: drivers/gpu/drm/i915/gt/uc/intel_guc.c :doc: GuC Address Space Tracing diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 6c4f01540833..6f6b1d04dadf 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -549,6 +549,7 @@ static const struct pci_device_id intel_early_ids[] __initconst = { INTEL_CNL_IDS(&gen9_early_ops), INTEL_ICL_11_IDS(&gen11_early_ops), INTEL_EHL_IDS(&gen11_early_ops), + INTEL_TGL_12_IDS(&gen11_early_ops), }; struct resource intel_graphics_stolen_res __ro_after_init = DEFINE_RES_MEM(0, 0); diff --git a/drivers/gpu/drm/i915/Kconfig.debug b/drivers/gpu/drm/i915/Kconfig.debug index 8d922bb4d953..87a38c6aaa41 100644 --- a/drivers/gpu/drm/i915/Kconfig.debug +++ b/drivers/gpu/drm/i915/Kconfig.debug @@ -7,6 +7,7 @@ config DRM_I915_WERROR # We use the dependency on !COMPILE_TEST to not be enabled in # allmodconfig or allyesconfig configurations depends on !COMPILE_TEST + select HEADER_TEST default n help Add -Werror to the build flags for (and only for) i915.ko. @@ -94,6 +95,20 @@ config DRM_I915_TRACE_GEM If in doubt, say "N". +config DRM_I915_TRACE_GTT + bool "Insert extra ftrace output from the GTT internals" + depends on DRM_I915_DEBUG_GEM + select TRACING + default n + help + Enable additional and verbose debugging output that will spam + ordinary tests, but may be vital for post-mortem debugging when + used with /proc/sys/kernel/ftrace_dump_on_oops + + Recommended for driver developers only. + + If in doubt, say "N". + config DRM_I915_SW_FENCE_DEBUG_OBJECTS bool "Enable additional driver debugging for fence objects" depends on DRM_I915 diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 8cace65f50ce..331b19cc8247 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -32,9 +32,9 @@ subdir-ccflags-y += \ $(call as-instr,movntdqa (%eax)$(comma)%xmm0,-DCONFIG_AS_MOVNTDQA) # Extra header tests -include $(src)/Makefile.header-test +header-test-pattern-$(CONFIG_DRM_I915_WERROR) := *.h -subdir-ccflags-y += -I$(src) +subdir-ccflags-y += -I$(srctree)/$(src) # Please keep these build lists sorted! @@ -73,14 +73,23 @@ gt-y += \ gt/intel_context.o \ gt/intel_engine_cs.o \ gt/intel_engine_pm.o \ + gt/intel_gt.o \ gt/intel_gt_pm.o \ gt/intel_hangcheck.o \ gt/intel_lrc.o \ + gt/intel_renderstate.o \ gt/intel_reset.o \ gt/intel_ringbuffer.o \ gt/intel_mocs.o \ gt/intel_sseu.o \ + gt/intel_timeline.o \ gt/intel_workarounds.o +# autogenerated null render state +gt-y += \ + gt/gen6_renderstate.o \ + gt/gen7_renderstate.o \ + gt/gen8_renderstate.o \ + gt/gen9_renderstate.o gt-$(CONFIG_DRM_I915_SELFTEST) += \ gt/mock_engine.o i915-y += $(gt-y) @@ -120,33 +129,26 @@ i915-y += \ i915_gem_fence_reg.o \ i915_gem_gtt.o \ i915_gem.o \ - i915_gem_render_state.o \ i915_globals.o \ i915_query.o \ i915_request.o \ i915_scheduler.o \ - i915_timeline.o \ i915_trace_points.o \ i915_vma.o \ intel_wopcm.o # general-purpose microcontroller (GuC) support -i915-y += intel_uc.o \ - intel_uc_fw.o \ - intel_guc.o \ - intel_guc_ads.o \ - intel_guc_ct.o \ - intel_guc_fw.o \ - intel_guc_log.o \ - intel_guc_submission.o \ - intel_huc.o \ - intel_huc_fw.o - -# autogenerated null render state -i915-y += intel_renderstate_gen6.o \ - intel_renderstate_gen7.o \ - intel_renderstate_gen8.o \ - intel_renderstate_gen9.o +obj-y += gt/uc/ +i915-y += gt/uc/intel_uc.o \ + gt/uc/intel_uc_fw.o \ + gt/uc/intel_guc.o \ + gt/uc/intel_guc_ads.o \ + gt/uc/intel_guc_ct.o \ + gt/uc/intel_guc_fw.o \ + gt/uc/intel_guc_log.o \ + gt/uc/intel_guc_submission.o \ + gt/uc/intel_huc.o \ + gt/uc/intel_huc_fw.o # modesetting core code obj-y += display/ @@ -173,7 +175,8 @@ i915-y += \ display/intel_overlay.o \ display/intel_psr.o \ display/intel_quirks.o \ - display/intel_sprite.o + display/intel_sprite.o \ + display/intel_tc.o i915-$(CONFIG_ACPI) += \ display/intel_acpi.o \ display/intel_opregion.o @@ -210,6 +213,25 @@ i915-y += \ display/vlv_dsi.o \ display/vlv_dsi_pll.o +# perf code +obj-y += oa/ +i915-y += \ + oa/i915_oa_hsw.o \ + oa/i915_oa_bdw.o \ + oa/i915_oa_chv.o \ + oa/i915_oa_sklgt2.o \ + oa/i915_oa_sklgt3.o \ + oa/i915_oa_sklgt4.o \ + oa/i915_oa_bxt.o \ + oa/i915_oa_kblgt2.o \ + oa/i915_oa_kblgt3.o \ + oa/i915_oa_glk.o \ + oa/i915_oa_cflgt2.o \ + oa/i915_oa_cflgt3.o \ + oa/i915_oa_cnl.o \ + oa/i915_oa_icl.o +i915-y += i915_perf.o + # Post-mortem debug and GPU hang state capture i915-$(CONFIG_DRM_I915_CAPTURE_ERROR) += i915_gpu_error.o i915-$(CONFIG_DRM_I915_SELFTEST) += \ @@ -224,23 +246,6 @@ i915-$(CONFIG_DRM_I915_SELFTEST) += \ # virtual gpu code i915-y += i915_vgpu.o -# perf code -i915-y += i915_perf.o \ - i915_oa_hsw.o \ - i915_oa_bdw.o \ - i915_oa_chv.o \ - i915_oa_sklgt2.o \ - i915_oa_sklgt3.o \ - i915_oa_sklgt4.o \ - i915_oa_bxt.o \ - i915_oa_kblgt2.o \ - i915_oa_kblgt3.o \ - i915_oa_glk.o \ - i915_oa_cflgt2.o \ - i915_oa_cflgt3.o \ - i915_oa_cnl.o \ - i915_oa_icl.o - ifeq ($(CONFIG_DRM_I915_GVT),y) i915-y += intel_gvt.o include $(src)/gvt/Makefile diff --git a/drivers/gpu/drm/i915/Makefile.header-test b/drivers/gpu/drm/i915/Makefile.header-test deleted file mode 100644 index 7cde0ec34615..000000000000 --- a/drivers/gpu/drm/i915/Makefile.header-test +++ /dev/null @@ -1,22 +0,0 @@ -# SPDX-License-Identifier: MIT -# Copyright © 2019 Intel Corporation - -# Test the headers are compilable as standalone units -header-test-$(CONFIG_DRM_I915_WERROR) := \ - i915_active_types.h \ - i915_debugfs.h \ - i915_drv.h \ - i915_irq.h \ - i915_params.h \ - i915_priolist_types.h \ - i915_reg.h \ - i915_scheduler_types.h \ - i915_timeline_types.h \ - i915_utils.h \ - intel_csr.h \ - intel_drv.h \ - intel_pm.h \ - intel_runtime_pm.h \ - intel_sideband.h \ - intel_uncore.h \ - intel_wakeref.h diff --git a/drivers/gpu/drm/i915/display/Makefile b/drivers/gpu/drm/i915/display/Makefile index 1c75b5c9790c..173c305d7866 100644 --- a/drivers/gpu/drm/i915/display/Makefile +++ b/drivers/gpu/drm/i915/display/Makefile @@ -1,2 +1,6 @@ +# For building individual subdir files on the command line +subdir-ccflags-y += -I$(srctree)/$(src)/.. + # Extra header tests -include $(src)/Makefile.header-test +header-test-pattern-$(CONFIG_DRM_I915_WERROR) := *.h +header-test- := intel_vbt_defs.h diff --git a/drivers/gpu/drm/i915/display/Makefile.header-test b/drivers/gpu/drm/i915/display/Makefile.header-test deleted file mode 100644 index fc7d4e5bd2c6..000000000000 --- a/drivers/gpu/drm/i915/display/Makefile.header-test +++ /dev/null @@ -1,16 +0,0 @@ -# SPDX-License-Identifier: MIT -# Copyright © 2019 Intel Corporation - -# Test the headers are compilable as standalone units -header_test := $(notdir $(filter-out %/intel_vbt_defs.h,$(wildcard $(src)/*.h))) - -quiet_cmd_header_test = HDRTEST $@ - cmd_header_test = echo "\#include \"$(<F)\"" > $@ - -header_test_%.c: %.h - $(call cmd,header_test) - -extra-$(CONFIG_DRM_I915_WERROR) += \ - $(foreach h,$(header_test),$(patsubst %.h,header_test_%.o,$(h))) - -clean-files += $(foreach h,$(header_test),$(patsubst %.h,header_test_%.c,$(h))) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 74448e6bf749..a42348be0438 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -202,63 +202,62 @@ static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); - enum port port; + enum phy phy; u32 tmp; int lane; - for_each_dsi_port(port, intel_dsi->ports) { - + for_each_dsi_phy(phy, intel_dsi->phys) { /* * Program voltage swing and pre-emphasis level values as per * table in BSPEC under DDI buffer programing */ - tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + tmp = I915_READ(ICL_PORT_TX_DW5_LN0(phy)); tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK); tmp |= SCALING_MODE_SEL(0x2); tmp |= TAP2_DISABLE | TAP3_DISABLE; tmp |= RTERM_SELECT(0x6); - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp); + I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), tmp); - tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port)); + tmp = I915_READ(ICL_PORT_TX_DW5_AUX(phy)); tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK); tmp |= SCALING_MODE_SEL(0x2); tmp |= TAP2_DISABLE | TAP3_DISABLE; tmp |= RTERM_SELECT(0x6); - I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp); + I915_WRITE(ICL_PORT_TX_DW5_AUX(phy), tmp); - tmp = I915_READ(ICL_PORT_TX_DW2_LN0(port)); + tmp = I915_READ(ICL_PORT_TX_DW2_LN0(phy)); tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | RCOMP_SCALAR_MASK); tmp |= SWING_SEL_UPPER(0x2); tmp |= SWING_SEL_LOWER(0x2); tmp |= RCOMP_SCALAR(0x98); - I915_WRITE(ICL_PORT_TX_DW2_GRP(port), tmp); + I915_WRITE(ICL_PORT_TX_DW2_GRP(phy), tmp); - tmp = I915_READ(ICL_PORT_TX_DW2_AUX(port)); + tmp = I915_READ(ICL_PORT_TX_DW2_AUX(phy)); tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | RCOMP_SCALAR_MASK); tmp |= SWING_SEL_UPPER(0x2); tmp |= SWING_SEL_LOWER(0x2); tmp |= RCOMP_SCALAR(0x98); - I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp); + I915_WRITE(ICL_PORT_TX_DW2_AUX(phy), tmp); - tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port)); + tmp = I915_READ(ICL_PORT_TX_DW4_AUX(phy)); tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK); tmp |= POST_CURSOR_1(0x0); tmp |= POST_CURSOR_2(0x0); tmp |= CURSOR_COEFF(0x3f); - I915_WRITE(ICL_PORT_TX_DW4_AUX(port), tmp); + I915_WRITE(ICL_PORT_TX_DW4_AUX(phy), tmp); for (lane = 0; lane <= 3; lane++) { /* Bspec: must not use GRP register for write */ - tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, port)); + tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, phy)); tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK); tmp |= POST_CURSOR_1(0x0); tmp |= POST_CURSOR_2(0x0); tmp |= CURSOR_COEFF(0x3f); - I915_WRITE(ICL_PORT_TX_DW4_LN(lane, port), tmp); + I915_WRITE(ICL_PORT_TX_DW4_LN(lane, phy), tmp); } } } @@ -364,10 +363,10 @@ static void gen11_dsi_power_up_lanes(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); - enum port port; + enum phy phy; - for_each_dsi_port(port, intel_dsi->ports) - intel_combo_phy_power_up_lanes(dev_priv, port, true, + for_each_dsi_phy(phy, intel_dsi->phys) + intel_combo_phy_power_up_lanes(dev_priv, phy, true, intel_dsi->lane_count, false); } @@ -375,34 +374,47 @@ static void gen11_dsi_config_phy_lanes_sequence(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); - enum port port; + enum phy phy; u32 tmp; int lane; /* Step 4b(i) set loadgen select for transmit and aux lanes */ - for_each_dsi_port(port, intel_dsi->ports) { - tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port)); + for_each_dsi_phy(phy, intel_dsi->phys) { + tmp = I915_READ(ICL_PORT_TX_DW4_AUX(phy)); tmp &= ~LOADGEN_SELECT; - I915_WRITE(ICL_PORT_TX_DW4_AUX(port), tmp); + I915_WRITE(ICL_PORT_TX_DW4_AUX(phy), tmp); for (lane = 0; lane <= 3; lane++) { - tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, port)); + tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, phy)); tmp &= ~LOADGEN_SELECT; if (lane != 2) tmp |= LOADGEN_SELECT; - I915_WRITE(ICL_PORT_TX_DW4_LN(lane, port), tmp); + I915_WRITE(ICL_PORT_TX_DW4_LN(lane, phy), tmp); } } /* Step 4b(ii) set latency optimization for transmit and aux lanes */ - for_each_dsi_port(port, intel_dsi->ports) { - tmp = I915_READ(ICL_PORT_TX_DW2_AUX(port)); + for_each_dsi_phy(phy, intel_dsi->phys) { + tmp = I915_READ(ICL_PORT_TX_DW2_AUX(phy)); tmp &= ~FRC_LATENCY_OPTIM_MASK; tmp |= FRC_LATENCY_OPTIM_VAL(0x5); - I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp); - tmp = I915_READ(ICL_PORT_TX_DW2_LN0(port)); + I915_WRITE(ICL_PORT_TX_DW2_AUX(phy), tmp); + tmp = I915_READ(ICL_PORT_TX_DW2_LN0(phy)); tmp &= ~FRC_LATENCY_OPTIM_MASK; tmp |= FRC_LATENCY_OPTIM_VAL(0x5); - I915_WRITE(ICL_PORT_TX_DW2_GRP(port), tmp); + I915_WRITE(ICL_PORT_TX_DW2_GRP(phy), tmp); + + /* For EHL set latency optimization for PCS_DW1 lanes */ + if (IS_ELKHARTLAKE(dev_priv)) { + tmp = I915_READ(ICL_PORT_PCS_DW1_AUX(phy)); + tmp &= ~LATENCY_OPTIM_MASK; + tmp |= LATENCY_OPTIM_VAL(0); + I915_WRITE(ICL_PORT_PCS_DW1_AUX(phy), tmp); + + tmp = I915_READ(ICL_PORT_PCS_DW1_LN0(phy)); + tmp &= ~LATENCY_OPTIM_MASK; + tmp |= LATENCY_OPTIM_VAL(0x1); + I915_WRITE(ICL_PORT_PCS_DW1_GRP(phy), tmp); + } } } @@ -412,16 +424,16 @@ static void gen11_dsi_voltage_swing_program_seq(struct intel_encoder *encoder) struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); u32 tmp; - enum port port; + enum phy phy; /* clear common keeper enable bit */ - for_each_dsi_port(port, intel_dsi->ports) { - tmp = I915_READ(ICL_PORT_PCS_DW1_LN0(port)); + for_each_dsi_phy(phy, intel_dsi->phys) { + tmp = I915_READ(ICL_PORT_PCS_DW1_LN0(phy)); tmp &= ~COMMON_KEEPER_EN; - I915_WRITE(ICL_PORT_PCS_DW1_GRP(port), tmp); - tmp = I915_READ(ICL_PORT_PCS_DW1_AUX(port)); + I915_WRITE(ICL_PORT_PCS_DW1_GRP(phy), tmp); + tmp = I915_READ(ICL_PORT_PCS_DW1_AUX(phy)); tmp &= ~COMMON_KEEPER_EN; - I915_WRITE(ICL_PORT_PCS_DW1_AUX(port), tmp); + I915_WRITE(ICL_PORT_PCS_DW1_AUX(phy), tmp); } /* @@ -429,33 +441,33 @@ static void gen11_dsi_voltage_swing_program_seq(struct intel_encoder *encoder) * Note: loadgen select program is done * as part of lane phy sequence configuration */ - for_each_dsi_port(port, intel_dsi->ports) { - tmp = I915_READ(ICL_PORT_CL_DW5(port)); + for_each_dsi_phy(phy, intel_dsi->phys) { + tmp = I915_READ(ICL_PORT_CL_DW5(phy)); tmp |= SUS_CLOCK_CONFIG; - I915_WRITE(ICL_PORT_CL_DW5(port), tmp); + I915_WRITE(ICL_PORT_CL_DW5(phy), tmp); } /* Clear training enable to change swing values */ - for_each_dsi_port(port, intel_dsi->ports) { - tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + for_each_dsi_phy(phy, intel_dsi->phys) { + tmp = I915_READ(ICL_PORT_TX_DW5_LN0(phy)); tmp &= ~TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp); - tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port)); + I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), tmp); + tmp = I915_READ(ICL_PORT_TX_DW5_AUX(phy)); tmp &= ~TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp); + I915_WRITE(ICL_PORT_TX_DW5_AUX(phy), tmp); } /* Program swing and de-emphasis */ dsi_program_swing_and_deemphasis(encoder); /* Set training enable to trigger update */ - for_each_dsi_port(port, intel_dsi->ports) { - tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + for_each_dsi_phy(phy, intel_dsi->phys) { + tmp = I915_READ(ICL_PORT_TX_DW5_LN0(phy)); tmp |= TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp); - tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port)); + I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), tmp); + tmp = I915_READ(ICL_PORT_TX_DW5_AUX(phy)); tmp |= TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp); + I915_WRITE(ICL_PORT_TX_DW5_AUX(phy), tmp); } } @@ -484,6 +496,7 @@ static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder) struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); u32 tmp; enum port port; + enum phy phy; /* Program T-INIT master registers */ for_each_dsi_port(port, intel_dsi->ports) { @@ -531,6 +544,14 @@ static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder) I915_WRITE(DSI_TA_TIMING_PARAM(port), tmp); } } + + if (IS_ELKHARTLAKE(dev_priv)) { + for_each_dsi_phy(phy, intel_dsi->phys) { + tmp = I915_READ(ICL_DPHY_CHKN(phy)); + tmp |= ICL_DPHY_CHKN_AFE_OVER_PPI_STRAP; + I915_WRITE(ICL_DPHY_CHKN(phy), tmp); + } + } } static void gen11_dsi_gate_clocks(struct intel_encoder *encoder) @@ -538,15 +559,14 @@ static void gen11_dsi_gate_clocks(struct intel_encoder *encoder) struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); u32 tmp; - enum port port; + enum phy phy; mutex_lock(&dev_priv->dpll_lock); - tmp = I915_READ(DPCLKA_CFGCR0_ICL); - for_each_dsi_port(port, intel_dsi->ports) { - tmp |= DPCLKA_CFGCR0_DDI_CLK_OFF(port); - } + tmp = I915_READ(ICL_DPCLKA_CFGCR0); + for_each_dsi_phy(phy, intel_dsi->phys) + tmp |= ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy); - I915_WRITE(DPCLKA_CFGCR0_ICL, tmp); + I915_WRITE(ICL_DPCLKA_CFGCR0, tmp); mutex_unlock(&dev_priv->dpll_lock); } @@ -555,15 +575,14 @@ static void gen11_dsi_ungate_clocks(struct intel_encoder *encoder) struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); u32 tmp; - enum port port; + enum phy phy; mutex_lock(&dev_priv->dpll_lock); - tmp = I915_READ(DPCLKA_CFGCR0_ICL); - for_each_dsi_port(port, intel_dsi->ports) { - tmp &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port); - } + tmp = I915_READ(ICL_DPCLKA_CFGCR0); + for_each_dsi_phy(phy, intel_dsi->phys) + tmp &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy); - I915_WRITE(DPCLKA_CFGCR0_ICL, tmp); + I915_WRITE(ICL_DPCLKA_CFGCR0, tmp); mutex_unlock(&dev_priv->dpll_lock); } @@ -573,24 +592,24 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); struct intel_shared_dpll *pll = crtc_state->shared_dpll; - enum port port; + enum phy phy; u32 val; mutex_lock(&dev_priv->dpll_lock); - val = I915_READ(DPCLKA_CFGCR0_ICL); - for_each_dsi_port(port, intel_dsi->ports) { - val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port); - val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port); + val = I915_READ(ICL_DPCLKA_CFGCR0); + for_each_dsi_phy(phy, intel_dsi->phys) { + val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy); + val |= ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy); } - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); - for_each_dsi_port(port, intel_dsi->ports) { - val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port); + for_each_dsi_phy(phy, intel_dsi->phys) { + val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy); } - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); - POSTING_READ(DPCLKA_CFGCR0_ICL); + POSTING_READ(ICL_DPCLKA_CFGCR0); mutex_unlock(&dev_priv->dpll_lock); } @@ -744,7 +763,7 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder, enum transcoder dsi_trans; /* horizontal timings */ u16 htotal, hactive, hsync_start, hsync_end, hsync_size; - u16 hfront_porch, hback_porch; + u16 hback_porch; /* vertical timings */ u16 vtotal, vactive, vsync_start, vsync_end, vsync_shift; @@ -753,8 +772,6 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder, hsync_start = adjusted_mode->crtc_hsync_start; hsync_end = adjusted_mode->crtc_hsync_end; hsync_size = hsync_end - hsync_start; - hfront_porch = (adjusted_mode->crtc_hsync_start - - adjusted_mode->crtc_hdisplay); hback_porch = (adjusted_mode->crtc_htotal - adjusted_mode->crtc_hsync_end); vactive = adjusted_mode->crtc_vdisplay; @@ -1487,6 +1504,26 @@ static void icl_dphy_param_init(struct intel_dsi *intel_dsi) intel_dsi_log_params(intel_dsi); } +static void icl_dsi_add_properties(struct intel_connector *connector) +{ + u32 allowed_scalers; + + allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) | + BIT(DRM_MODE_SCALE_FULLSCREEN) | + BIT(DRM_MODE_SCALE_CENTER); + + drm_connector_attach_scaling_mode_property(&connector->base, + allowed_scalers); + + connector->base.state->scaling_mode = DRM_MODE_SCALE_ASPECT; + + connector->base.display_info.panel_orientation = + intel_dsi_get_panel_orientation(connector); + drm_connector_init_panel_orientation_property(&connector->base, + connector->panel.fixed_mode->hdisplay, + connector->panel.fixed_mode->vdisplay); +} + void icl_dsi_init(struct drm_i915_private *dev_priv) { struct drm_device *dev = &dev_priv->drm; @@ -1580,6 +1617,8 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) } icl_dphy_param_init(intel_dsi); + + icl_dsi_add_properties(intel_connector); return; err: diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c index 30bd4e76fff9..ab411d5e093c 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c @@ -176,33 +176,49 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_ new_crtc_state->data_rate[plane->id] = intel_plane_data_rate(new_crtc_state, new_plane_state); - return intel_plane_atomic_calc_changes(old_crtc_state, - &new_crtc_state->base, - old_plane_state, - &new_plane_state->base); + return intel_plane_atomic_calc_changes(old_crtc_state, new_crtc_state, + old_plane_state, new_plane_state); } -static int intel_plane_atomic_check(struct drm_plane *plane, - struct drm_plane_state *new_plane_state) +static struct intel_crtc * +get_crtc_from_states(const struct intel_plane_state *old_plane_state, + const struct intel_plane_state *new_plane_state) { - struct drm_atomic_state *state = new_plane_state->state; - const struct drm_plane_state *old_plane_state = - drm_atomic_get_old_plane_state(state, plane); - struct drm_crtc *crtc = new_plane_state->crtc ?: old_plane_state->crtc; - const struct drm_crtc_state *old_crtc_state; - struct drm_crtc_state *new_crtc_state; - - new_plane_state->visible = false; + if (new_plane_state->base.crtc) + return to_intel_crtc(new_plane_state->base.crtc); + + if (old_plane_state->base.crtc) + return to_intel_crtc(old_plane_state->base.crtc); + + return NULL; +} + +static int intel_plane_atomic_check(struct drm_plane *_plane, + struct drm_plane_state *_new_plane_state) +{ + struct intel_plane *plane = to_intel_plane(_plane); + struct intel_atomic_state *state = + to_intel_atomic_state(_new_plane_state->state); + struct intel_plane_state *new_plane_state = + to_intel_plane_state(_new_plane_state); + const struct intel_plane_state *old_plane_state = + intel_atomic_get_old_plane_state(state, plane); + struct intel_crtc *crtc = + get_crtc_from_states(old_plane_state, new_plane_state); + const struct intel_crtc_state *old_crtc_state; + struct intel_crtc_state *new_crtc_state; + + new_plane_state->base.visible = false; if (!crtc) return 0; - old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); - new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); + new_crtc_state = intel_atomic_get_new_crtc_state(state, crtc); - return intel_plane_atomic_check_with_state(to_intel_crtc_state(old_crtc_state), - to_intel_crtc_state(new_crtc_state), - to_intel_plane_state(old_plane_state), - to_intel_plane_state(new_plane_state)); + return intel_plane_atomic_check_with_state(old_crtc_state, + new_crtc_state, + old_plane_state, + new_plane_state); } static struct intel_plane * diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.h b/drivers/gpu/drm/i915/display/intel_atomic_plane.h index 1437a8797e10..cb7ef4f9eafd 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.h +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.h @@ -8,7 +8,6 @@ #include <linux/types.h> -struct drm_crtc_state; struct drm_plane; struct drm_property; struct intel_atomic_state; @@ -43,8 +42,8 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_ const struct intel_plane_state *old_plane_state, struct intel_plane_state *intel_state); int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_state, - struct drm_crtc_state *crtc_state, + struct intel_crtc_state *crtc_state, const struct intel_plane_state *old_plane_state, - struct drm_plane_state *plane_state); + struct intel_plane_state *plane_state); #endif /* __INTEL_ATOMIC_PLANE_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c index 840daff12246..c8fd35a7ca42 100644 --- a/drivers/gpu/drm/i915/display/intel_audio.c +++ b/drivers/gpu/drm/i915/display/intel_audio.c @@ -72,6 +72,13 @@ struct dp_aud_n_m { u16 n; }; +struct hdmi_aud_ncts { + int sample_rate; + int clock; + int n; + int cts; +}; + /* Values according to DP 1.4 Table 2-104 */ static const struct dp_aud_n_m dp_aud_n_m[] = { { 32000, LC_162M, 1024, 10125 }, @@ -148,12 +155,7 @@ static const struct { #define TMDS_594M 594000 #define TMDS_593M 593407 -static const struct { - int sample_rate; - int clock; - int n; - int cts; -} hdmi_aud_ncts[] = { +static const struct hdmi_aud_ncts hdmi_aud_ncts_24bpp[] = { { 32000, TMDS_296M, 5824, 421875 }, { 32000, TMDS_297M, 3072, 222750 }, { 32000, TMDS_593M, 5824, 843750 }, @@ -184,6 +186,49 @@ static const struct { { 192000, TMDS_594M, 24576, 594000 }, }; +/* Appendix C - N & CTS values for deep color from HDMI 2.0 spec*/ +/* HDMI N/CTS table for 10 bit deep color(30 bpp)*/ +#define TMDS_371M 371250 +#define TMDS_370M 370878 + +static const struct hdmi_aud_ncts hdmi_aud_ncts_30bpp[] = { + { 32000, TMDS_370M, 5824, 527344 }, + { 32000, TMDS_371M, 6144, 556875 }, + { 44100, TMDS_370M, 8918, 585938 }, + { 44100, TMDS_371M, 4704, 309375 }, + { 88200, TMDS_370M, 17836, 585938 }, + { 88200, TMDS_371M, 9408, 309375 }, + { 176400, TMDS_370M, 35672, 585938 }, + { 176400, TMDS_371M, 18816, 309375 }, + { 48000, TMDS_370M, 11648, 703125 }, + { 48000, TMDS_371M, 5120, 309375 }, + { 96000, TMDS_370M, 23296, 703125 }, + { 96000, TMDS_371M, 10240, 309375 }, + { 192000, TMDS_370M, 46592, 703125 }, + { 192000, TMDS_371M, 20480, 309375 }, +}; + +/* HDMI N/CTS table for 12 bit deep color(36 bpp)*/ +#define TMDS_445_5M 445500 +#define TMDS_445M 445054 + +static const struct hdmi_aud_ncts hdmi_aud_ncts_36bpp[] = { + { 32000, TMDS_445M, 5824, 632813 }, + { 32000, TMDS_445_5M, 4096, 445500 }, + { 44100, TMDS_445M, 8918, 703125 }, + { 44100, TMDS_445_5M, 4704, 371250 }, + { 88200, TMDS_445M, 17836, 703125 }, + { 88200, TMDS_445_5M, 9408, 371250 }, + { 176400, TMDS_445M, 35672, 703125 }, + { 176400, TMDS_445_5M, 18816, 371250 }, + { 48000, TMDS_445M, 5824, 421875 }, + { 48000, TMDS_445_5M, 5120, 371250 }, + { 96000, TMDS_445M, 11648, 421875 }, + { 96000, TMDS_445_5M, 10240, 371250 }, + { 192000, TMDS_445M, 23296, 421875 }, + { 192000, TMDS_445_5M, 20480, 371250 }, +}; + /* get AUD_CONFIG_PIXEL_CLOCK_HDMI_* value for mode */ static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_state) { @@ -212,14 +257,24 @@ static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_sta static int audio_config_hdmi_get_n(const struct intel_crtc_state *crtc_state, int rate) { - const struct drm_display_mode *adjusted_mode = - &crtc_state->base.adjusted_mode; - int i; + const struct hdmi_aud_ncts *hdmi_ncts_table; + int i, size; + + if (crtc_state->pipe_bpp == 36) { + hdmi_ncts_table = hdmi_aud_ncts_36bpp; + size = ARRAY_SIZE(hdmi_aud_ncts_36bpp); + } else if (crtc_state->pipe_bpp == 30) { + hdmi_ncts_table = hdmi_aud_ncts_30bpp; + size = ARRAY_SIZE(hdmi_aud_ncts_30bpp); + } else { + hdmi_ncts_table = hdmi_aud_ncts_24bpp; + size = ARRAY_SIZE(hdmi_aud_ncts_24bpp); + } - for (i = 0; i < ARRAY_SIZE(hdmi_aud_ncts); i++) { - if (rate == hdmi_aud_ncts[i].sample_rate && - adjusted_mode->crtc_clock == hdmi_aud_ncts[i].clock) { - return hdmi_aud_ncts[i].n; + for (i = 0; i < size; i++) { + if (rate == hdmi_ncts_table[i].sample_rate && + crtc_state->port_clock == hdmi_ncts_table[i].clock) { + return hdmi_ncts_table[i].n; } } return 0; diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 3ef4e9f573cf..b416b394b641 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -28,6 +28,7 @@ #include <drm/drm_dp_helper.h> #include <drm/i915_drm.h> +#include "display/intel_display.h" #include "display/intel_gmbus.h" #include "i915_drv.h" @@ -1354,12 +1355,27 @@ static const u8 mcc_ddc_pin_map[] = { [MCC_DDC_BUS_DDI_C] = GMBUS_PIN_9_TC1_ICP, }; +static const u8 tgp_ddc_pin_map[] = { + [ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT, + [ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT, + [TGL_DDC_BUS_DDI_C] = GMBUS_PIN_3_BXT, + [ICL_DDC_BUS_PORT_1] = GMBUS_PIN_9_TC1_ICP, + [ICL_DDC_BUS_PORT_2] = GMBUS_PIN_10_TC2_ICP, + [ICL_DDC_BUS_PORT_3] = GMBUS_PIN_11_TC3_ICP, + [ICL_DDC_BUS_PORT_4] = GMBUS_PIN_12_TC4_ICP, + [TGL_DDC_BUS_PORT_5] = GMBUS_PIN_13_TC5_TGP, + [TGL_DDC_BUS_PORT_6] = GMBUS_PIN_14_TC6_TGP, +}; + static u8 map_ddc_pin(struct drm_i915_private *dev_priv, u8 vbt_pin) { const u8 *ddc_pin_map; int n_entries; - if (HAS_PCH_MCC(dev_priv)) { + if (HAS_PCH_TGP(dev_priv)) { + ddc_pin_map = tgp_ddc_pin_map; + n_entries = ARRAY_SIZE(tgp_ddc_pin_map); + } else if (HAS_PCH_MCC(dev_priv)) { ddc_pin_map = mcc_ddc_pin_map; n_entries = ARRAY_SIZE(mcc_ddc_pin_map); } else if (HAS_PCH_ICP(dev_priv)) { @@ -1668,6 +1684,9 @@ parse_general_definitions(struct drm_i915_private *dev_priv, if (!child->device_type) continue; + DRM_DEBUG_KMS("Found VBT child device with type 0x%x\n", + child->device_type); + /* * Copy as much as we know (sizeof) and is available * (child_dev_size) of the child device. Accessing the data must @@ -1730,12 +1749,13 @@ init_vbt_missing_defaults(struct drm_i915_private *dev_priv) for (port = PORT_A; port < I915_MAX_PORTS; port++) { struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port]; + enum phy phy = intel_port_to_phy(dev_priv, port); /* * VBT has the TypeC mode (native,TBT/USB) and we don't want * to detect it. */ - if (intel_port_is_tc(dev_priv, port)) + if (intel_phy_is_tc(dev_priv, phy)) continue; info->supports_dvi = (port != PORT_A && port != PORT_E); @@ -1888,10 +1908,10 @@ out: } /** - * intel_bios_cleanup - Free any resources allocated by intel_bios_init() + * intel_bios_driver_remove - Free any resources allocated by intel_bios_init() * @dev_priv: i915 device instance */ -void intel_bios_cleanup(struct drm_i915_private *dev_priv) +void intel_bios_driver_remove(struct drm_i915_private *dev_priv) { kfree(dev_priv->vbt.child_dev); dev_priv->vbt.child_dev = NULL; diff --git a/drivers/gpu/drm/i915/display/intel_bios.h b/drivers/gpu/drm/i915/display/intel_bios.h index 4e42cfaf61a7..4969189e620f 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.h +++ b/drivers/gpu/drm/i915/display/intel_bios.h @@ -42,6 +42,7 @@ enum intel_backlight_type { INTEL_BACKLIGHT_DISPLAY_DDI, INTEL_BACKLIGHT_DSI_DCS, INTEL_BACKLIGHT_PANEL_DRIVER_INTERFACE, + INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE, }; struct edp_power_seq { @@ -227,7 +228,7 @@ struct mipi_pps_data { } __packed; void intel_bios_init(struct drm_i915_private *dev_priv); -void intel_bios_cleanup(struct drm_i915_private *dev_priv); +void intel_bios_driver_remove(struct drm_i915_private *dev_priv); bool intel_bios_is_valid_vbt(const void *buf, size_t size); bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv); bool intel_bios_is_lvds_present(struct drm_i915_private *dev_priv, u8 *i2c_pin); diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 7b908e10d32e..ee52c5b4643b 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -65,7 +65,7 @@ static int icl_pcode_read_qgv_point_info(struct drm_i915_private *dev_priv, struct intel_qgv_point *sp, int point) { - u32 val = 0, val2; + u32 val = 0, val2 = 0; int ret; ret = sandybridge_pcode_read(dev_priv, diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 0d19bbd08122..93b0d190c184 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -545,10 +545,10 @@ static void vlv_set_cdclk(struct drm_i915_private *dev_priv, /* There are cases where we can end up here with power domains * off and a CDCLK frequency other than the minimum, like when * issuing a modeset without actually changing any display after - * a system suspend. So grab the PIPE-A domain, which covers + * a system suspend. So grab the display core domain, which covers * the HW blocks needed for the following programming. */ - wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); + wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_DISPLAY_CORE); vlv_iosf_sb_get(dev_priv, BIT(VLV_IOSF_SB_CCK) | @@ -606,7 +606,7 @@ static void vlv_set_cdclk(struct drm_i915_private *dev_priv, vlv_program_pfi_credits(dev_priv); - intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A, wakeref); + intel_display_power_put(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref); } static void chv_set_cdclk(struct drm_i915_private *dev_priv, @@ -631,10 +631,10 @@ static void chv_set_cdclk(struct drm_i915_private *dev_priv, /* There are cases where we can end up here with power domains * off and a CDCLK frequency other than the minimum, like when * issuing a modeset without actually changing any display after - * a system suspend. So grab the PIPE-A domain, which covers + * a system suspend. So grab the display core domain, which covers * the HW blocks needed for the following programming. */ - wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); + wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_DISPLAY_CORE); vlv_punit_get(dev_priv); val = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM); @@ -653,7 +653,7 @@ static void chv_set_cdclk(struct drm_i915_private *dev_priv, vlv_program_pfi_credits(dev_priv); - intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A, wakeref); + intel_display_power_put(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref); } static int bdw_calc_cdclk(int min_cdclk) @@ -1756,9 +1756,10 @@ sanitize: static int icl_calc_cdclk(int min_cdclk, unsigned int ref) { - int ranges_24[] = { 312000, 552000, 648000 }; - int ranges_19_38[] = { 307200, 556800, 652800 }; - int *ranges; + static const int ranges_24[] = { 180000, 192000, 312000, 552000, 648000 }; + static const int ranges_19_38[] = { 172800, 192000, 307200, 556800, 652800 }; + const int *ranges; + int len, i; switch (ref) { default: @@ -1766,19 +1767,22 @@ static int icl_calc_cdclk(int min_cdclk, unsigned int ref) /* fall through */ case 24000: ranges = ranges_24; + len = ARRAY_SIZE(ranges_24); break; case 19200: case 38400: ranges = ranges_19_38; + len = ARRAY_SIZE(ranges_19_38); break; } - if (min_cdclk > ranges[1]) - return ranges[2]; - else if (min_cdclk > ranges[0]) - return ranges[1]; - else - return ranges[0]; + for (i = 0; i < len; i++) { + if (min_cdclk <= ranges[i]) + return ranges[i]; + } + + WARN_ON(min_cdclk > ranges[len - 1]); + return ranges[len - 1]; } static int icl_calc_cdclk_pll_vco(struct drm_i915_private *dev_priv, int cdclk) @@ -1792,16 +1796,24 @@ static int icl_calc_cdclk_pll_vco(struct drm_i915_private *dev_priv, int cdclk) default: MISSING_CASE(cdclk); /* fall through */ + case 172800: case 307200: case 556800: case 652800: WARN_ON(dev_priv->cdclk.hw.ref != 19200 && dev_priv->cdclk.hw.ref != 38400); break; + case 180000: case 312000: case 552000: case 648000: WARN_ON(dev_priv->cdclk.hw.ref != 24000); + break; + case 192000: + WARN_ON(dev_priv->cdclk.hw.ref != 19200 && + dev_priv->cdclk.hw.ref != 38400 && + dev_priv->cdclk.hw.ref != 24000); + break; } ratio = cdclk / (dev_priv->cdclk.hw.ref / 2); @@ -1854,14 +1866,23 @@ static void icl_set_cdclk(struct drm_i915_private *dev_priv, dev_priv->cdclk.hw.voltage_level = cdclk_state->voltage_level; } -static u8 icl_calc_voltage_level(int cdclk) +static u8 icl_calc_voltage_level(struct drm_i915_private *dev_priv, int cdclk) { - if (cdclk > 556800) - return 2; - else if (cdclk > 312000) - return 1; - else - return 0; + if (IS_ELKHARTLAKE(dev_priv)) { + if (cdclk > 312000) + return 2; + else if (cdclk > 180000) + return 1; + else + return 0; + } else { + if (cdclk > 556800) + return 2; + else if (cdclk > 312000) + return 1; + else + return 0; + } } static void icl_get_cdclk(struct drm_i915_private *dev_priv, @@ -1912,7 +1933,7 @@ out: * at least what the CDCLK frequency requires. */ cdclk_state->voltage_level = - icl_calc_voltage_level(cdclk_state->cdclk); + icl_calc_voltage_level(dev_priv, cdclk_state->cdclk); } static void icl_init_cdclk(struct drm_i915_private *dev_priv) @@ -1947,7 +1968,8 @@ sanitize: sanitized_state.vco = icl_calc_cdclk_pll_vco(dev_priv, sanitized_state.cdclk); sanitized_state.voltage_level = - icl_calc_voltage_level(sanitized_state.cdclk); + icl_calc_voltage_level(dev_priv, + sanitized_state.cdclk); icl_set_cdclk(dev_priv, &sanitized_state, INVALID_PIPE); } @@ -1958,7 +1980,8 @@ static void icl_uninit_cdclk(struct drm_i915_private *dev_priv) cdclk_state.cdclk = cdclk_state.bypass; cdclk_state.vco = 0; - cdclk_state.voltage_level = icl_calc_voltage_level(cdclk_state.cdclk); + cdclk_state.voltage_level = icl_calc_voltage_level(dev_priv, + cdclk_state.cdclk); icl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE); } @@ -2560,7 +2583,7 @@ static int icl_modeset_calc_cdclk(struct intel_atomic_state *state) state->cdclk.logical.vco = vco; state->cdclk.logical.cdclk = cdclk; state->cdclk.logical.voltage_level = - max(icl_calc_voltage_level(cdclk), + max(icl_calc_voltage_level(dev_priv, cdclk), cnl_compute_min_voltage_level(state)); if (!state->active_crtcs) { @@ -2570,7 +2593,7 @@ static int icl_modeset_calc_cdclk(struct intel_atomic_state *state) state->cdclk.actual.vco = vco; state->cdclk.actual.cdclk = cdclk; state->cdclk.actual.voltage_level = - icl_calc_voltage_level(cdclk); + icl_calc_voltage_level(dev_priv, cdclk); } else { state->cdclk.actual = state->cdclk.logical; } @@ -2605,7 +2628,12 @@ static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv) */ void intel_update_max_cdclk(struct drm_i915_private *dev_priv) { - if (INTEL_GEN(dev_priv) >= 11) { + if (IS_ELKHARTLAKE(dev_priv)) { + if (dev_priv->cdclk.hw.ref == 24000) + dev_priv->max_cdclk_freq = 552000; + else + dev_priv->max_cdclk_freq = 556800; + } else if (INTEL_GEN(dev_priv) >= 11) { if (dev_priv->cdclk.hw.ref == 24000) dev_priv->max_cdclk_freq = 648000; else diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.c b/drivers/gpu/drm/i915/display/intel_combo_phy.c index 841708da5a56..ac8218a040ab 100644 --- a/drivers/gpu/drm/i915/display/intel_combo_phy.c +++ b/drivers/gpu/drm/i915/display/intel_combo_phy.c @@ -6,13 +6,13 @@ #include "intel_combo_phy.h" #include "intel_drv.h" -#define for_each_combo_port(__dev_priv, __port) \ - for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) \ - for_each_if(intel_port_is_combophy(__dev_priv, __port)) +#define for_each_combo_phy(__dev_priv, __phy) \ + for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++) \ + for_each_if(intel_phy_is_combo(__dev_priv, __phy)) -#define for_each_combo_port_reverse(__dev_priv, __port) \ - for ((__port) = I915_MAX_PORTS; (__port)-- > PORT_A;) \ - for_each_if(intel_port_is_combophy(__dev_priv, __port)) +#define for_each_combo_phy_reverse(__dev_priv, __phy) \ + for ((__phy) = I915_MAX_PHYS; (__phy)-- > PHY_A;) \ + for_each_if(intel_phy_is_combo(__dev_priv, __phy)) enum { PROCMON_0_85V_DOT_0, @@ -38,18 +38,17 @@ static const struct cnl_procmon { }; /* - * CNL has just one set of registers, while ICL has two sets: one for port A and - * the other for port B. The CNL registers are equivalent to the ICL port A - * registers, that's why we call the ICL macros even though the function has CNL - * on its name. + * CNL has just one set of registers, while gen11 has a set for each combo PHY. + * The CNL registers are equivalent to the gen11 PHY A registers, that's why we + * call the ICL macros even though the function has CNL on its name. */ static const struct cnl_procmon * -cnl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum port port) +cnl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum phy phy) { const struct cnl_procmon *procmon; u32 val; - val = I915_READ(ICL_PORT_COMP_DW3(port)); + val = I915_READ(ICL_PORT_COMP_DW3(phy)); switch (val & (PROCESS_INFO_MASK | VOLTAGE_INFO_MASK)) { default: MISSING_CASE(val); @@ -75,32 +74,32 @@ cnl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum port port) } static void cnl_set_procmon_ref_values(struct drm_i915_private *dev_priv, - enum port port) + enum phy phy) { const struct cnl_procmon *procmon; u32 val; - procmon = cnl_get_procmon_ref_values(dev_priv, port); + procmon = cnl_get_procmon_ref_values(dev_priv, phy); - val = I915_READ(ICL_PORT_COMP_DW1(port)); + val = I915_READ(ICL_PORT_COMP_DW1(phy)); val &= ~((0xff << 16) | 0xff); val |= procmon->dw1; - I915_WRITE(ICL_PORT_COMP_DW1(port), val); + I915_WRITE(ICL_PORT_COMP_DW1(phy), val); - I915_WRITE(ICL_PORT_COMP_DW9(port), procmon->dw9); - I915_WRITE(ICL_PORT_COMP_DW10(port), procmon->dw10); + I915_WRITE(ICL_PORT_COMP_DW9(phy), procmon->dw9); + I915_WRITE(ICL_PORT_COMP_DW10(phy), procmon->dw10); } static bool check_phy_reg(struct drm_i915_private *dev_priv, - enum port port, i915_reg_t reg, u32 mask, + enum phy phy, i915_reg_t reg, u32 mask, u32 expected_val) { u32 val = I915_READ(reg); if ((val & mask) != expected_val) { - DRM_DEBUG_DRIVER("Port %c combo PHY reg %08x state mismatch: " + DRM_DEBUG_DRIVER("Combo PHY %c reg %08x state mismatch: " "current %08x mask %08x expected %08x\n", - port_name(port), + phy_name(phy), reg.reg, val, mask, expected_val); return false; } @@ -109,18 +108,18 @@ static bool check_phy_reg(struct drm_i915_private *dev_priv, } static bool cnl_verify_procmon_ref_values(struct drm_i915_private *dev_priv, - enum port port) + enum phy phy) { const struct cnl_procmon *procmon; bool ret; - procmon = cnl_get_procmon_ref_values(dev_priv, port); + procmon = cnl_get_procmon_ref_values(dev_priv, phy); - ret = check_phy_reg(dev_priv, port, ICL_PORT_COMP_DW1(port), + ret = check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW1(phy), (0xff << 16) | 0xff, procmon->dw1); - ret &= check_phy_reg(dev_priv, port, ICL_PORT_COMP_DW9(port), + ret &= check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW9(phy), -1U, procmon->dw9); - ret &= check_phy_reg(dev_priv, port, ICL_PORT_COMP_DW10(port), + ret &= check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW10(phy), -1U, procmon->dw10); return ret; @@ -134,15 +133,15 @@ static bool cnl_combo_phy_enabled(struct drm_i915_private *dev_priv) static bool cnl_combo_phy_verify_state(struct drm_i915_private *dev_priv) { - enum port port = PORT_A; + enum phy phy = PHY_A; bool ret; if (!cnl_combo_phy_enabled(dev_priv)) return false; - ret = cnl_verify_procmon_ref_values(dev_priv, port); + ret = cnl_verify_procmon_ref_values(dev_priv, phy); - ret &= check_phy_reg(dev_priv, port, CNL_PORT_CL1CM_DW5, + ret &= check_phy_reg(dev_priv, phy, CNL_PORT_CL1CM_DW5, CL_POWER_DOWN_ENABLE, CL_POWER_DOWN_ENABLE); return ret; @@ -157,7 +156,7 @@ static void cnl_combo_phys_init(struct drm_i915_private *dev_priv) I915_WRITE(CHICKEN_MISC_2, val); /* Dummy PORT_A to get the correct CNL register from the ICL macro */ - cnl_set_procmon_ref_values(dev_priv, PORT_A); + cnl_set_procmon_ref_values(dev_priv, PHY_A); val = I915_READ(CNL_PORT_COMP_DW0); val |= COMP_INIT; @@ -181,35 +180,39 @@ static void cnl_combo_phys_uninit(struct drm_i915_private *dev_priv) } static bool icl_combo_phy_enabled(struct drm_i915_private *dev_priv, - enum port port) + enum phy phy) { - return !(I915_READ(ICL_PHY_MISC(port)) & - ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN) && - (I915_READ(ICL_PORT_COMP_DW0(port)) & COMP_INIT); + /* The PHY C added by EHL has no PHY_MISC register */ + if (IS_ELKHARTLAKE(dev_priv) && phy == PHY_C) + return I915_READ(ICL_PORT_COMP_DW0(phy)) & COMP_INIT; + else + return !(I915_READ(ICL_PHY_MISC(phy)) & + ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN) && + (I915_READ(ICL_PORT_COMP_DW0(phy)) & COMP_INIT); } static bool icl_combo_phy_verify_state(struct drm_i915_private *dev_priv, - enum port port) + enum phy phy) { bool ret; - if (!icl_combo_phy_enabled(dev_priv, port)) + if (!icl_combo_phy_enabled(dev_priv, phy)) return false; - ret = cnl_verify_procmon_ref_values(dev_priv, port); + ret = cnl_verify_procmon_ref_values(dev_priv, phy); - if (port == PORT_A) - ret &= check_phy_reg(dev_priv, port, ICL_PORT_COMP_DW8(port), + if (phy == PHY_A) + ret &= check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW8(phy), IREFGEN, IREFGEN); - ret &= check_phy_reg(dev_priv, port, ICL_PORT_CL_DW5(port), + ret &= check_phy_reg(dev_priv, phy, ICL_PORT_CL_DW5(phy), CL_POWER_DOWN_ENABLE, CL_POWER_DOWN_ENABLE); return ret; } void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv, - enum port port, bool is_dsi, + enum phy phy, bool is_dsi, int lane_count, bool lane_reversal) { u8 lane_mask; @@ -254,66 +257,120 @@ void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv, } } - val = I915_READ(ICL_PORT_CL_DW10(port)); + val = I915_READ(ICL_PORT_CL_DW10(phy)); val &= ~PWR_DOWN_LN_MASK; val |= lane_mask << PWR_DOWN_LN_SHIFT; - I915_WRITE(ICL_PORT_CL_DW10(port), val); + I915_WRITE(ICL_PORT_CL_DW10(phy), val); +} + +static u32 ehl_combo_phy_a_mux(struct drm_i915_private *i915, u32 val) +{ + bool ddi_a_present = i915->vbt.ddi_port_info[PORT_A].child != NULL; + bool ddi_d_present = i915->vbt.ddi_port_info[PORT_D].child != NULL; + bool dsi_present = intel_bios_is_dsi_present(i915, NULL); + + /* + * VBT's 'dvo port' field for child devices references the DDI, not + * the PHY. So if combo PHY A is wired up to drive an external + * display, we should see a child device present on PORT_D and + * nothing on PORT_A and no DSI. + */ + if (ddi_d_present && !ddi_a_present && !dsi_present) + return val | ICL_PHY_MISC_MUX_DDID; + + /* + * If we encounter a VBT that claims to have an external display on + * DDI-D _and_ an internal display on DDI-A/DSI leave an error message + * in the log and let the internal display win. + */ + if (ddi_d_present) + DRM_ERROR("VBT claims to have both internal and external displays on PHY A. Configuring for internal.\n"); + + return val & ~ICL_PHY_MISC_MUX_DDID; } static void icl_combo_phys_init(struct drm_i915_private *dev_priv) { - enum port port; + enum phy phy; - for_each_combo_port(dev_priv, port) { + for_each_combo_phy(dev_priv, phy) { u32 val; - if (icl_combo_phy_verify_state(dev_priv, port)) { - DRM_DEBUG_DRIVER("Port %c combo PHY already enabled, won't reprogram it.\n", - port_name(port)); + if (icl_combo_phy_verify_state(dev_priv, phy)) { + DRM_DEBUG_DRIVER("Combo PHY %c already enabled, won't reprogram it.\n", + phy_name(phy)); continue; } - val = I915_READ(ICL_PHY_MISC(port)); + /* + * Although EHL adds a combo PHY C, there's no PHY_MISC + * register for it and no need to program the + * DE_IO_COMP_PWR_DOWN setting on PHY C. + */ + if (IS_ELKHARTLAKE(dev_priv) && phy == PHY_C) + goto skip_phy_misc; + + /* + * EHL's combo PHY A can be hooked up to either an external + * display (via DDI-D) or an internal display (via DDI-A or + * the DSI DPHY). This is a motherboard design decision that + * can't be changed on the fly, so initialize the PHY's mux + * based on whether our VBT indicates the presence of any + * "internal" child devices. + */ + val = I915_READ(ICL_PHY_MISC(phy)); + if (IS_ELKHARTLAKE(dev_priv) && phy == PHY_A) + val = ehl_combo_phy_a_mux(dev_priv, val); val &= ~ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN; - I915_WRITE(ICL_PHY_MISC(port), val); + I915_WRITE(ICL_PHY_MISC(phy), val); - cnl_set_procmon_ref_values(dev_priv, port); +skip_phy_misc: + cnl_set_procmon_ref_values(dev_priv, phy); - if (port == PORT_A) { - val = I915_READ(ICL_PORT_COMP_DW8(port)); + if (phy == PHY_A) { + val = I915_READ(ICL_PORT_COMP_DW8(phy)); val |= IREFGEN; - I915_WRITE(ICL_PORT_COMP_DW8(port), val); + I915_WRITE(ICL_PORT_COMP_DW8(phy), val); } - val = I915_READ(ICL_PORT_COMP_DW0(port)); + val = I915_READ(ICL_PORT_COMP_DW0(phy)); val |= COMP_INIT; - I915_WRITE(ICL_PORT_COMP_DW0(port), val); + I915_WRITE(ICL_PORT_COMP_DW0(phy), val); - val = I915_READ(ICL_PORT_CL_DW5(port)); + val = I915_READ(ICL_PORT_CL_DW5(phy)); val |= CL_POWER_DOWN_ENABLE; - I915_WRITE(ICL_PORT_CL_DW5(port), val); + I915_WRITE(ICL_PORT_CL_DW5(phy), val); } } static void icl_combo_phys_uninit(struct drm_i915_private *dev_priv) { - enum port port; + enum phy phy; - for_each_combo_port_reverse(dev_priv, port) { + for_each_combo_phy_reverse(dev_priv, phy) { u32 val; - if (port == PORT_A && - !icl_combo_phy_verify_state(dev_priv, port)) - DRM_WARN("Port %c combo PHY HW state changed unexpectedly\n", - port_name(port)); + if (phy == PHY_A && + !icl_combo_phy_verify_state(dev_priv, phy)) + DRM_WARN("Combo PHY %c HW state changed unexpectedly\n", + phy_name(phy)); + + /* + * Although EHL adds a combo PHY C, there's no PHY_MISC + * register for it and no need to program the + * DE_IO_COMP_PWR_DOWN setting on PHY C. + */ + if (IS_ELKHARTLAKE(dev_priv) && phy == PHY_C) + goto skip_phy_misc; - val = I915_READ(ICL_PHY_MISC(port)); + val = I915_READ(ICL_PHY_MISC(phy)); val |= ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN; - I915_WRITE(ICL_PHY_MISC(port), val); + I915_WRITE(ICL_PHY_MISC(phy), val); - val = I915_READ(ICL_PORT_COMP_DW0(port)); +skip_phy_misc: + val = I915_READ(ICL_PORT_COMP_DW0(phy)); val &= ~COMP_INIT; - I915_WRITE(ICL_PORT_COMP_DW0(port), val); + I915_WRITE(ICL_PORT_COMP_DW0(phy), val); } } diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.h b/drivers/gpu/drm/i915/display/intel_combo_phy.h index e6e195a83b19..660886f86c59 100644 --- a/drivers/gpu/drm/i915/display/intel_combo_phy.h +++ b/drivers/gpu/drm/i915/display/intel_combo_phy.h @@ -7,14 +7,14 @@ #define __INTEL_COMBO_PHY_H__ #include <linux/types.h> -#include <drm/i915_drm.h> struct drm_i915_private; +enum phy; void intel_combo_phy_init(struct drm_i915_private *dev_priv); void intel_combo_phy_uninit(struct drm_i915_private *dev_priv); void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv, - enum port port, bool is_dsi, + enum phy phy, bool is_dsi, int lane_count, bool lane_reversal); #endif /* __INTEL_COMBO_PHY_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_connector.c b/drivers/gpu/drm/i915/display/intel_connector.c index 41310f8e5a2a..d0163d86c42a 100644 --- a/drivers/gpu/drm/i915/display/intel_connector.c +++ b/drivers/gpu/drm/i915/display/intel_connector.c @@ -118,7 +118,7 @@ int intel_connector_register(struct drm_connector *connector) if (ret) goto err; - if (i915_inject_load_failure()) { + if (i915_inject_probe_failure()) { ret = -EFAULT; goto err_backlight; } diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 7925a176f900..c6f38c7b397d 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -45,6 +45,7 @@ #include "intel_lspcon.h" #include "intel_panel.h" #include "intel_psr.h" +#include "intel_tc.h" #include "intel_vdsc.h" struct ddi_buf_trans { @@ -846,8 +847,8 @@ cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) } static const struct cnl_ddi_buf_trans * -icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, enum port port, - int type, int rate, int *n_entries) +icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, + int *n_entries) { if (type == INTEL_OUTPUT_HDMI) { *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi); @@ -867,12 +868,13 @@ icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, enum port port, static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port) { int n_entries, level, default_entry; + enum phy phy = intel_port_to_phy(dev_priv, port); level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; if (INTEL_GEN(dev_priv) >= 11) { - if (intel_port_is_combophy(dev_priv, port)) - icl_get_combo_buf_trans(dev_priv, port, INTEL_OUTPUT_HDMI, + if (intel_phy_is_combo(dev_priv, phy)) + icl_get_combo_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, 0, &n_entries); else n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); @@ -1486,9 +1488,10 @@ static void icl_ddi_clock_get(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dpll_hw_state *pll_state = &pipe_config->dpll_hw_state; enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); int link_clock; - if (intel_port_is_combophy(dev_priv, port)) { + if (intel_phy_is_combo(dev_priv, phy)) { link_clock = cnl_calc_wrpll_link(dev_priv, pll_state); } else { enum intel_dpll_id pll_id = intel_get_shared_dpll_id(dev_priv, @@ -1770,7 +1773,10 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state) /* Enable TRANS_DDI_FUNC_CTL for the pipe to work in HDMI mode */ temp = TRANS_DDI_FUNC_ENABLE; - temp |= TRANS_DDI_SELECT_PORT(port); + if (INTEL_GEN(dev_priv) >= 12) + temp |= TGL_TRANS_DDI_SELECT_PORT(port); + else + temp |= TRANS_DDI_SELECT_PORT(port); switch (crtc_state->pipe_bpp) { case 18: @@ -1850,8 +1856,13 @@ void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state i915_reg_t reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); u32 val = I915_READ(reg); - val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | TRANS_DDI_DP_VC_PAYLOAD_ALLOC); - val |= TRANS_DDI_PORT_NONE; + if (INTEL_GEN(dev_priv) >= 12) { + val &= ~(TRANS_DDI_FUNC_ENABLE | TGL_TRANS_DDI_PORT_MASK | + TRANS_DDI_DP_VC_PAYLOAD_ALLOC); + } else { + val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | + TRANS_DDI_DP_VC_PAYLOAD_ALLOC); + } I915_WRITE(reg, val); if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME && @@ -2003,10 +2014,19 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, mst_pipe_mask = 0; for_each_pipe(dev_priv, p) { enum transcoder cpu_transcoder = (enum transcoder)p; + unsigned int port_mask, ddi_select; + + if (INTEL_GEN(dev_priv) >= 12) { + port_mask = TGL_TRANS_DDI_PORT_MASK; + ddi_select = TGL_TRANS_DDI_SELECT_PORT(port); + } else { + port_mask = TRANS_DDI_PORT_MASK; + ddi_select = TRANS_DDI_SELECT_PORT(port); + } tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); - if ((tmp & TRANS_DDI_PORT_MASK) != TRANS_DDI_SELECT_PORT(port)) + if ((tmp & port_mask) != ddi_select) continue; if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == @@ -2085,6 +2105,7 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); /* * TODO: Add support for MST encoders. Atm, the following should never @@ -2102,7 +2123,7 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder, * ports. */ if (intel_crtc_has_dp_encoder(crtc_state) || - intel_port_is_tc(dev_priv, encoder->port)) + intel_phy_is_tc(dev_priv, phy)) intel_display_power_get(dev_priv, intel_ddi_main_link_aux_domain(dig_port)); @@ -2122,9 +2143,14 @@ void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state) enum port port = encoder->port; enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - if (cpu_transcoder != TRANSCODER_EDP) - I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), - TRANS_CLK_SEL_PORT(port)); + if (cpu_transcoder != TRANSCODER_EDP) { + if (INTEL_GEN(dev_priv) >= 12) + I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), + TGL_TRANS_CLK_SEL_PORT(port)); + else + I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), + TRANS_CLK_SEL_PORT(port)); + } } void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state) @@ -2132,9 +2158,14 @@ void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state) struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - if (cpu_transcoder != TRANSCODER_EDP) - I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), - TRANS_CLK_SEL_DISABLED); + if (cpu_transcoder != TRANSCODER_EDP) { + if (INTEL_GEN(dev_priv) >= 12) + I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), + TGL_TRANS_CLK_SEL_DISABLED); + else + I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), + TRANS_CLK_SEL_DISABLED); + } } static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv, @@ -2227,11 +2258,12 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); int n_entries; if (INTEL_GEN(dev_priv) >= 11) { - if (intel_port_is_combophy(dev_priv, port)) - icl_get_combo_buf_trans(dev_priv, port, encoder->type, + if (intel_phy_is_combo(dev_priv, phy)) + icl_get_combo_buf_trans(dev_priv, encoder->type, intel_dp->link_rate, &n_entries); else n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); @@ -2413,15 +2445,15 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, } static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, - u32 level, enum port port, int type, + u32 level, enum phy phy, int type, int rate) { const struct cnl_ddi_buf_trans *ddi_translations = NULL; u32 n_entries, val; int ln; - ddi_translations = icl_get_combo_buf_trans(dev_priv, port, type, - rate, &n_entries); + ddi_translations = icl_get_combo_buf_trans(dev_priv, type, rate, + &n_entries); if (!ddi_translations) return; @@ -2431,41 +2463,41 @@ static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, } /* Set PORT_TX_DW5 */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW5_LN0(phy)); val &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK | TAP2_DISABLE | TAP3_DISABLE); val |= SCALING_MODE_SEL(0x2); val |= RTERM_SELECT(0x6); val |= TAP3_DISABLE; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), val); /* Program PORT_TX_DW2 */ - val = I915_READ(ICL_PORT_TX_DW2_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW2_LN0(phy)); val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | RCOMP_SCALAR_MASK); val |= SWING_SEL_UPPER(ddi_translations[level].dw2_swing_sel); val |= SWING_SEL_LOWER(ddi_translations[level].dw2_swing_sel); /* Program Rcomp scalar for every table entry */ val |= RCOMP_SCALAR(0x98); - I915_WRITE(ICL_PORT_TX_DW2_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW2_GRP(phy), val); /* Program PORT_TX_DW4 */ /* We cannot write to GRP. It would overwrite individual loadgen. */ for (ln = 0; ln <= 3; ln++) { - val = I915_READ(ICL_PORT_TX_DW4_LN(ln, port)); + val = I915_READ(ICL_PORT_TX_DW4_LN(ln, phy)); val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK); val |= POST_CURSOR_1(ddi_translations[level].dw4_post_cursor_1); val |= POST_CURSOR_2(ddi_translations[level].dw4_post_cursor_2); val |= CURSOR_COEFF(ddi_translations[level].dw4_cursor_coeff); - I915_WRITE(ICL_PORT_TX_DW4_LN(ln, port), val); + I915_WRITE(ICL_PORT_TX_DW4_LN(ln, phy), val); } /* Program PORT_TX_DW7 */ - val = I915_READ(ICL_PORT_TX_DW7_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW7_LN0(phy)); val &= ~N_SCALAR_MASK; val |= N_SCALAR(ddi_translations[level].dw7_n_scalar); - I915_WRITE(ICL_PORT_TX_DW7_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW7_GRP(phy), val); } static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, @@ -2473,7 +2505,7 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, enum intel_output_type type) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); int width = 0; int rate = 0; u32 val; @@ -2494,12 +2526,12 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, * set PORT_PCS_DW1 cmnkeeper_enable to 1b, * else clear to 0b. */ - val = I915_READ(ICL_PORT_PCS_DW1_LN0(port)); + val = I915_READ(ICL_PORT_PCS_DW1_LN0(phy)); if (type == INTEL_OUTPUT_HDMI) val &= ~COMMON_KEEPER_EN; else val |= COMMON_KEEPER_EN; - I915_WRITE(ICL_PORT_PCS_DW1_GRP(port), val); + I915_WRITE(ICL_PORT_PCS_DW1_GRP(phy), val); /* 2. Program loadgen select */ /* @@ -2509,33 +2541,33 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, * > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0) */ for (ln = 0; ln <= 3; ln++) { - val = I915_READ(ICL_PORT_TX_DW4_LN(ln, port)); + val = I915_READ(ICL_PORT_TX_DW4_LN(ln, phy)); val &= ~LOADGEN_SELECT; if ((rate <= 600000 && width == 4 && ln >= 1) || (rate <= 600000 && width < 4 && (ln == 1 || ln == 2))) { val |= LOADGEN_SELECT; } - I915_WRITE(ICL_PORT_TX_DW4_LN(ln, port), val); + I915_WRITE(ICL_PORT_TX_DW4_LN(ln, phy), val); } /* 3. Set PORT_CL_DW5 SUS Clock Config to 11b */ - val = I915_READ(ICL_PORT_CL_DW5(port)); + val = I915_READ(ICL_PORT_CL_DW5(phy)); val |= SUS_CLOCK_CONFIG; - I915_WRITE(ICL_PORT_CL_DW5(port), val); + I915_WRITE(ICL_PORT_CL_DW5(phy), val); /* 4. Clear training enable to change swing values */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW5_LN0(phy)); val &= ~TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), val); /* 5. Program swing and de-emphasis */ - icl_ddi_combo_vswing_program(dev_priv, level, port, type, rate); + icl_ddi_combo_vswing_program(dev_priv, level, phy, type, rate); /* 6. Set training enable to trigger update */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + val = I915_READ(ICL_PORT_TX_DW5_LN0(phy)); val |= TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); + I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), val); } static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, @@ -2663,9 +2695,9 @@ static void icl_ddi_vswing_sequence(struct intel_encoder *encoder, enum intel_output_type type) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - if (intel_port_is_combophy(dev_priv, port)) + if (intel_phy_is_combo(dev_priv, phy)) icl_combo_phy_ddi_vswing_sequence(encoder, level, type); else icl_mg_phy_ddi_vswing_sequence(encoder, link_clock, level); @@ -2728,12 +2760,13 @@ u32 ddi_signal_levels(struct intel_dp *intel_dp) static inline u32 icl_dpclka_cfgcr0_clk_off(struct drm_i915_private *dev_priv, - enum port port) + enum phy phy) { - if (intel_port_is_combophy(dev_priv, port)) { - return ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(port); - } else if (intel_port_is_tc(dev_priv, port)) { - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); + if (intel_phy_is_combo(dev_priv, phy)) { + return ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy); + } else if (intel_phy_is_tc(dev_priv, phy)) { + enum tc_port tc_port = intel_port_to_tc(dev_priv, + (enum port)phy); return ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port); } @@ -2746,23 +2779,33 @@ static void icl_map_plls_to_ports(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_shared_dpll *pll = crtc_state->shared_dpll; - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); u32 val; mutex_lock(&dev_priv->dpll_lock); - val = I915_READ(DPCLKA_CFGCR0_ICL); - WARN_ON((val & icl_dpclka_cfgcr0_clk_off(dev_priv, port)) == 0); + val = I915_READ(ICL_DPCLKA_CFGCR0); + WARN_ON((val & icl_dpclka_cfgcr0_clk_off(dev_priv, phy)) == 0); - if (intel_port_is_combophy(dev_priv, port)) { - val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port); - val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); - POSTING_READ(DPCLKA_CFGCR0_ICL); + if (intel_phy_is_combo(dev_priv, phy)) { + /* + * Even though this register references DDIs, note that we + * want to pass the PHY rather than the port (DDI). For + * ICL, port=phy in all cases so it doesn't matter, but for + * EHL the bspec notes the following: + * + * "DDID clock tied to DDIA clock, so DPCLKA_CFGCR0 DDIA + * Clock Select chooses the PLL for both DDIA and DDID and + * drives port A in all cases." + */ + val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy); + val |= ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); + POSTING_READ(ICL_DPCLKA_CFGCR0); } - val &= ~icl_dpclka_cfgcr0_clk_off(dev_priv, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + val &= ~icl_dpclka_cfgcr0_clk_off(dev_priv, phy); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); mutex_unlock(&dev_priv->dpll_lock); } @@ -2770,14 +2813,14 @@ static void icl_map_plls_to_ports(struct intel_encoder *encoder, static void icl_unmap_plls_to_ports(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); u32 val; mutex_lock(&dev_priv->dpll_lock); - val = I915_READ(DPCLKA_CFGCR0_ICL); - val |= icl_dpclka_cfgcr0_clk_off(dev_priv, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + val = I915_READ(ICL_DPCLKA_CFGCR0); + val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); mutex_unlock(&dev_priv->dpll_lock); } @@ -2835,11 +2878,13 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) ddi_clk_needed = false; } - val = I915_READ(DPCLKA_CFGCR0_ICL); + val = I915_READ(ICL_DPCLKA_CFGCR0); for_each_port_masked(port, port_mask) { + enum phy phy = intel_port_to_phy(dev_priv, port); + bool ddi_clk_ungated = !(val & icl_dpclka_cfgcr0_clk_off(dev_priv, - port)); + phy)); if (ddi_clk_needed == ddi_clk_ungated) continue; @@ -2851,10 +2896,10 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) if (WARN_ON(ddi_clk_needed)) continue; - DRM_NOTE("Port %c is disabled/in DSI mode with an ungated DDI clock, gate it\n", - port_name(port)); - val |= icl_dpclka_cfgcr0_clk_off(dev_priv, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + DRM_NOTE("PHY %c is disabled/in DSI mode with an ungated DDI clock, gate it\n", + phy_name(port)); + val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy); + I915_WRITE(ICL_DPCLKA_CFGCR0, val); } } @@ -2863,6 +2908,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); u32 val; const struct intel_shared_dpll *pll = crtc_state->shared_dpll; @@ -2872,7 +2918,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder, mutex_lock(&dev_priv->dpll_lock); if (INTEL_GEN(dev_priv) >= 11) { - if (!intel_port_is_combophy(dev_priv, port)) + if (!intel_phy_is_combo(dev_priv, phy)) I915_WRITE(DDI_CLK_SEL(port), icl_pll_to_ddi_clk_sel(encoder, crtc_state)); } else if (IS_CANNONLAKE(dev_priv)) { @@ -2912,9 +2958,10 @@ static void intel_ddi_clk_disable(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); if (INTEL_GEN(dev_priv) >= 11) { - if (!intel_port_is_combophy(dev_priv, port)) + if (!intel_phy_is_combo(dev_priv, phy)) I915_WRITE(DDI_CLK_SEL(port), DDI_CLK_SEL_NONE); } else if (IS_CANNONLAKE(dev_priv)) { I915_WRITE(DPCLKA_CFGCR0, I915_READ(DPCLKA_CFGCR0) | @@ -2995,25 +3042,22 @@ static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port) { struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev); enum port port = intel_dig_port->base.port; - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); - u32 ln0, ln1, lane_info; + u32 ln0, ln1, lane_mask; - if (tc_port == PORT_TC_NONE || intel_dig_port->tc_type == TC_PORT_TBT) + if (intel_dig_port->tc_mode == TC_PORT_TBT_ALT) return; ln0 = I915_READ(MG_DP_MODE(0, port)); ln1 = I915_READ(MG_DP_MODE(1, port)); - switch (intel_dig_port->tc_type) { - case TC_PORT_TYPEC: + switch (intel_dig_port->tc_mode) { + case TC_PORT_DP_ALT: ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); ln1 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); - lane_info = (I915_READ(PORT_TX_DFLEXDPSP) & - DP_LANE_ASSIGNMENT_MASK(tc_port)) >> - DP_LANE_ASSIGNMENT_SHIFT(tc_port); + lane_mask = intel_tc_port_get_lane_mask(intel_dig_port); - switch (lane_info) { + switch (lane_mask) { case 0x1: case 0x4: break; @@ -3038,7 +3082,7 @@ static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port) MG_DP_MODE_CFG_DP_X2_MODE; break; default: - MISSING_CASE(lane_info); + MISSING_CASE(lane_mask); } break; @@ -3048,7 +3092,7 @@ static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port) break; default: - MISSING_CASE(intel_dig_port->tc_type); + MISSING_CASE(intel_dig_port->tc_mode); return; } @@ -3110,6 +3154,7 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); int level = intel_ddi_dp_level(intel_dp); @@ -3123,7 +3168,10 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, intel_ddi_clk_select(encoder, crtc_state); - intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); + if (!intel_phy_is_tc(dev_priv, phy) || + dig_port->tc_mode != TC_PORT_TBT_ALT) + intel_display_power_get(dev_priv, + dig_port->ddi_io_power_domain); icl_program_mg_dp_mode(dig_port); icl_disable_phy_clock_gating(dig_port); @@ -3138,11 +3186,11 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, else intel_prepare_dp_ddi_buffers(encoder, crtc_state); - if (intel_port_is_combophy(dev_priv, port)) { + if (intel_phy_is_combo(dev_priv, phy)) { bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; - intel_combo_phy_power_up_lanes(dev_priv, port, false, + intel_combo_phy_power_up_lanes(dev_priv, phy, false, crtc_state->lane_count, lane_reversal); } @@ -3290,6 +3338,7 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder, struct intel_dp *intel_dp = &dig_port->dp; bool is_mst = intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST); + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); if (!is_mst) { intel_ddi_disable_pipe_clock(old_crtc_state); @@ -3305,8 +3354,10 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder, intel_edp_panel_vdd_on(intel_dp); intel_edp_panel_off(intel_dp); - intel_display_power_put_unchecked(dev_priv, - dig_port->ddi_io_power_domain); + if (!intel_phy_is_tc(dev_priv, phy) || + dig_port->tc_mode != TC_PORT_TBT_ALT) + intel_display_power_put_unchecked(dev_priv, + dig_port->ddi_io_power_domain); intel_ddi_clk_disable(encoder); } @@ -3591,33 +3642,28 @@ static void intel_ddi_update_pipe(struct intel_encoder *encoder, intel_hdcp_disable(to_intel_connector(conn_state->connector)); } -static void intel_ddi_set_fia_lane_count(struct intel_encoder *encoder, - const struct intel_crtc_state *pipe_config, - enum port port) +static void +intel_ddi_update_prepare(struct intel_atomic_state *state, + struct intel_encoder *encoder, + struct intel_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); - u32 val = I915_READ(PORT_TX_DFLEXDPMLE1); - bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; - - val &= ~DFLEXDPMLE1_DPMLETC_MASK(tc_port); - switch (pipe_config->lane_count) { - case 1: - val |= (lane_reversal) ? DFLEXDPMLE1_DPMLETC_ML3(tc_port) : - DFLEXDPMLE1_DPMLETC_ML0(tc_port); - break; - case 2: - val |= (lane_reversal) ? DFLEXDPMLE1_DPMLETC_ML3_2(tc_port) : - DFLEXDPMLE1_DPMLETC_ML1_0(tc_port); - break; - case 4: - val |= DFLEXDPMLE1_DPMLETC_ML3_0(tc_port); - break; - default: - MISSING_CASE(pipe_config->lane_count); - } - I915_WRITE(PORT_TX_DFLEXDPMLE1, val); + struct intel_crtc_state *crtc_state = + crtc ? intel_atomic_get_new_crtc_state(state, crtc) : NULL; + int required_lanes = crtc_state ? crtc_state->lane_count : 1; + + WARN_ON(crtc && crtc->active); + + intel_tc_port_get_link(enc_to_dig_port(&encoder->base), required_lanes); + if (crtc_state && crtc_state->base.active) + intel_update_active_dpll(state, crtc, encoder); +} + +static void +intel_ddi_update_complete(struct intel_atomic_state *state, + struct intel_encoder *encoder, + struct intel_crtc *crtc) +{ + intel_tc_port_put_link(enc_to_dig_port(&encoder->base)); } static void @@ -3627,26 +3673,25 @@ intel_ddi_pre_pll_enable(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - enum port port = encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + bool is_tc_port = intel_phy_is_tc(dev_priv, phy); - if (intel_crtc_has_dp_encoder(crtc_state) || - intel_port_is_tc(dev_priv, encoder->port)) + if (is_tc_port) + intel_tc_port_get_link(dig_port, crtc_state->lane_count); + + if (intel_crtc_has_dp_encoder(crtc_state) || is_tc_port) intel_display_power_get(dev_priv, intel_ddi_main_link_aux_domain(dig_port)); - if (IS_GEN9_LP(dev_priv)) + if (is_tc_port && dig_port->tc_mode != TC_PORT_TBT_ALT) + /* + * Program the lane count for static/dynamic connections on + * Type-C ports. Skip this step for TBT. + */ + intel_tc_port_set_fia_lane_count(dig_port, crtc_state->lane_count); + else if (IS_GEN9_LP(dev_priv)) bxt_ddi_phy_set_lane_optim_mask(encoder, crtc_state->lane_lat_optim_mask); - - /* - * Program the lane count for static/dynamic connections on Type-C ports. - * Skip this step for TBT. - */ - if (dig_port->tc_type == TC_PORT_UNKNOWN || - dig_port->tc_type == TC_PORT_TBT) - return; - - intel_ddi_set_fia_lane_count(encoder, crtc_state, port); } static void @@ -3656,11 +3701,15 @@ intel_ddi_post_pll_disable(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + bool is_tc_port = intel_phy_is_tc(dev_priv, phy); - if (intel_crtc_has_dp_encoder(crtc_state) || - intel_port_is_tc(dev_priv, encoder->port)) + if (intel_crtc_has_dp_encoder(crtc_state) || is_tc_port) intel_display_power_put_unchecked(dev_priv, intel_ddi_main_link_aux_domain(dig_port)); + + if (is_tc_port) + intel_tc_port_put_link(dig_port); } static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp) @@ -3737,7 +3786,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder, struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->base.crtc); enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; - struct intel_digital_port *intel_dig_port; u32 temp, flags = 0; /* XXX: DSI transcoder paranoia */ @@ -3776,7 +3824,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder, switch (temp & TRANS_DDI_MODE_SELECT_MASK) { case TRANS_DDI_MODE_SELECT_HDMI: pipe_config->has_hdmi_sink = true; - intel_dig_port = enc_to_dig_port(&encoder->base); pipe_config->infoframes.enable |= intel_hdmi_infoframes_enabled(encoder, pipe_config); @@ -3914,49 +3961,18 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, return 0; } -static void intel_ddi_encoder_suspend(struct intel_encoder *encoder) -{ - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - struct drm_i915_private *i915 = to_i915(encoder->base.dev); - - intel_dp_encoder_suspend(encoder); - - /* - * TODO: disconnect also from USB DP alternate mode once we have a - * way to handle the modeset restore in that mode during resume - * even if the sink has disappeared while being suspended. - */ - if (dig_port->tc_legacy_port) - icl_tc_phy_disconnect(i915, dig_port); -} - -static void intel_ddi_encoder_reset(struct drm_encoder *drm_encoder) -{ - struct intel_digital_port *dig_port = enc_to_dig_port(drm_encoder); - struct drm_i915_private *i915 = to_i915(drm_encoder->dev); - - if (intel_port_is_tc(i915, dig_port->base.port)) - intel_digital_port_connected(&dig_port->base); - - intel_dp_encoder_reset(drm_encoder); -} - static void intel_ddi_encoder_destroy(struct drm_encoder *encoder) { struct intel_digital_port *dig_port = enc_to_dig_port(encoder); - struct drm_i915_private *i915 = to_i915(encoder->dev); intel_dp_encoder_flush_work(encoder); - if (intel_port_is_tc(i915, dig_port->base.port)) - icl_tc_phy_disconnect(i915, dig_port); - drm_encoder_cleanup(encoder); kfree(dig_port); } static const struct drm_encoder_funcs intel_ddi_funcs = { - .reset = intel_ddi_encoder_reset, + .reset = intel_dp_encoder_reset, .destroy = intel_ddi_encoder_destroy, }; @@ -4081,14 +4097,17 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder, return modeset_pipe(&crtc->base, ctx); } -static bool intel_ddi_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector) +static enum intel_hotplug_state +intel_ddi_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector, + bool irq_received) { + struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); struct drm_modeset_acquire_ctx ctx; - bool changed; + enum intel_hotplug_state state; int ret; - changed = intel_encoder_hotplug(encoder, connector); + state = intel_encoder_hotplug(encoder, connector, irq_received); drm_modeset_acquire_init(&ctx, 0); @@ -4110,7 +4129,27 @@ static bool intel_ddi_hotplug(struct intel_encoder *encoder, drm_modeset_acquire_fini(&ctx); WARN(ret, "Acquiring modeset locks failed with %i\n", ret); - return changed; + /* + * Unpowered type-c dongles can take some time to boot and be + * responsible, so here giving some time to those dongles to power up + * and then retrying the probe. + * + * On many platforms the HDMI live state signal is known to be + * unreliable, so we can't use it to detect if a sink is connected or + * not. Instead we detect if it's connected based on whether we can + * read the EDID or not. That in turn has a problem during disconnect, + * since the HPD interrupt may be raised before the DDC lines get + * disconnected (due to how the required length of DDC vs. HPD + * connector pins are specified) and so we'll still be able to get a + * valid EDID. To solve this schedule another detection cycle if this + * time around we didn't detect any change in the sink's connection + * status. + */ + if (state == INTEL_HOTPLUG_UNCHANGED && irq_received && + !dig_port->dp.is_mst) + state = INTEL_HOTPLUG_RETRY; + + return state; } static struct intel_connector * @@ -4198,6 +4237,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) struct drm_encoder *encoder; bool init_hdmi, init_dp, init_lspcon = false; enum pipe pipe; + enum phy phy = intel_port_to_phy(dev_priv, port); init_hdmi = port_info->supports_dvi || port_info->supports_hdmi; init_dp = port_info->supports_dp; @@ -4242,7 +4282,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_encoder->update_pipe = intel_ddi_update_pipe; intel_encoder->get_hw_state = intel_ddi_get_hw_state; intel_encoder->get_config = intel_ddi_get_config; - intel_encoder->suspend = intel_ddi_encoder_suspend; + intel_encoder->suspend = intel_dp_encoder_suspend; intel_encoder->get_power_domains = intel_ddi_get_power_domains; intel_encoder->type = INTEL_OUTPUT_DDI; intel_encoder->power_domain = intel_port_to_power_domain(port); @@ -4261,9 +4301,15 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_dig_port->max_lanes = intel_ddi_max_lanes(intel_dig_port); intel_dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port); - intel_dig_port->tc_legacy_port = intel_port_is_tc(dev_priv, port) && - !port_info->supports_typec_usb && - !port_info->supports_tbt; + if (intel_phy_is_tc(dev_priv, phy)) { + bool is_legacy = !port_info->supports_typec_usb && + !port_info->supports_tbt; + + intel_tc_port_init(intel_dig_port, is_legacy); + + intel_encoder->update_prepare = intel_ddi_update_prepare; + intel_encoder->update_complete = intel_ddi_update_complete; + } switch (port) { case PORT_A: @@ -4290,6 +4336,18 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_dig_port->ddi_io_power_domain = POWER_DOMAIN_PORT_DDI_F_IO; break; + case PORT_G: + intel_dig_port->ddi_io_power_domain = + POWER_DOMAIN_PORT_DDI_G_IO; + break; + case PORT_H: + intel_dig_port->ddi_io_power_domain = + POWER_DOMAIN_PORT_DDI_H_IO; + break; + case PORT_I: + intel_dig_port->ddi_io_power_domain = + POWER_DOMAIN_PORT_DDI_I_IO; + break; default: MISSING_CASE(port); } @@ -4324,9 +4382,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_infoframe_init(intel_dig_port); - if (intel_port_is_tc(dev_priv, port)) - intel_digital_port_connected(intel_encoder); - return; err: diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 592b92782fab..9e4ee29fd0fc 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -78,6 +78,7 @@ #include "intel_quirks.h" #include "intel_sideband.h" #include "intel_sprite.h" +#include "intel_tc.h" /* Primary plane formats for gen <= 3 */ static const u32 i8xx_primary_formats[] = { @@ -515,9 +516,9 @@ icl_wa_scalerclkgating(struct drm_i915_private *dev_priv, enum pipe pipe, } static bool -needs_modeset(const struct drm_crtc_state *state) +needs_modeset(const struct intel_crtc_state *state) { - return drm_atomic_crtc_needs_modeset(state); + return drm_atomic_crtc_needs_modeset(&state->base); } /* @@ -3715,10 +3716,27 @@ int i9xx_check_plane_surface(struct intel_plane_state *plane_state) return 0; } +static bool i9xx_plane_has_windowing(struct intel_plane *plane) +{ + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + enum i9xx_plane_id i9xx_plane = plane->i9xx_plane; + + if (IS_CHERRYVIEW(dev_priv)) + return i9xx_plane == PLANE_B; + else if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) + return false; + else if (IS_GEN(dev_priv, 4)) + return i9xx_plane == PLANE_C; + else + return i9xx_plane == PLANE_B || + i9xx_plane == PLANE_C; +} + static int i9xx_plane_check(struct intel_crtc_state *crtc_state, struct intel_plane_state *plane_state) { + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); int ret; ret = chv_plane_check_rotation(plane_state); @@ -3729,7 +3747,8 @@ i9xx_plane_check(struct intel_crtc_state *crtc_state, &crtc_state->base, DRM_PLANE_HELPER_NO_SCALING, DRM_PLANE_HELPER_NO_SCALING, - false, true); + i9xx_plane_has_windowing(plane), + true); if (ret) return ret; @@ -3758,6 +3777,10 @@ static void i9xx_update_plane(struct intel_plane *plane, u32 linear_offset; int x = plane_state->color_plane[0].x; int y = plane_state->color_plane[0].y; + int crtc_x = plane_state->base.dst.x1; + int crtc_y = plane_state->base.dst.y1; + int crtc_w = drm_rect_width(&plane_state->base.dst); + int crtc_h = drm_rect_height(&plane_state->base.dst); unsigned long irqflags; u32 dspaddr_offset; u32 dspcntr; @@ -3776,18 +3799,18 @@ static void i9xx_update_plane(struct intel_plane *plane, I915_WRITE_FW(DSPSTRIDE(i9xx_plane), plane_state->color_plane[0].stride); if (INTEL_GEN(dev_priv) < 4) { - /* pipesrc and dspsize control the size that is scaled from, - * which should always be the user's requested size. + /* + * PLANE_A doesn't actually have a full window + * generator but let's assume we still need to + * program whatever is there. */ - I915_WRITE_FW(DSPPOS(i9xx_plane), 0); + I915_WRITE_FW(DSPPOS(i9xx_plane), (crtc_y << 16) | crtc_x); I915_WRITE_FW(DSPSIZE(i9xx_plane), - ((crtc_state->pipe_src_h - 1) << 16) | - (crtc_state->pipe_src_w - 1)); + ((crtc_h - 1) << 16) | (crtc_w - 1)); } else if (IS_CHERRYVIEW(dev_priv) && i9xx_plane == PLANE_B) { - I915_WRITE_FW(PRIMPOS(i9xx_plane), 0); + I915_WRITE_FW(PRIMPOS(i9xx_plane), (crtc_y << 16) | crtc_x); I915_WRITE_FW(PRIMSIZE(i9xx_plane), - ((crtc_state->pipe_src_h - 1) << 16) | - (crtc_state->pipe_src_w - 1)); + ((crtc_h - 1) << 16) | (crtc_w - 1)); I915_WRITE_FW(PRIMCNSTALPHA(i9xx_plane), 0); } @@ -3950,10 +3973,10 @@ static u32 skl_plane_ctl_format(u32 pixel_format) case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: return PLANE_CTL_FORMAT_XRGB_8888; + case DRM_FORMAT_XBGR2101010: + return PLANE_CTL_FORMAT_XRGB_2101010 | PLANE_CTL_ORDER_RGBX; case DRM_FORMAT_XRGB2101010: return PLANE_CTL_FORMAT_XRGB_2101010; - case DRM_FORMAT_XBGR2101010: - return PLANE_CTL_ORDER_RGBX | PLANE_CTL_FORMAT_XRGB_2101010; case DRM_FORMAT_XBGR16161616F: case DRM_FORMAT_ABGR16161616F: return PLANE_CTL_FORMAT_XRGB_16161616F | PLANE_CTL_ORDER_RGBX; @@ -4248,12 +4271,13 @@ void intel_prepare_reset(struct drm_i915_private *dev_priv) return; /* We have a modeset vs reset deadlock, defensively unbreak it. */ - set_bit(I915_RESET_MODESET, &dev_priv->gpu_error.flags); - wake_up_all(&dev_priv->gpu_error.wait_queue); + set_bit(I915_RESET_MODESET, &dev_priv->gt.reset.flags); + smp_mb__after_atomic(); + wake_up_bit(&dev_priv->gt.reset.flags, I915_RESET_MODESET); if (atomic_read(&dev_priv->gpu_error.pending_fb_pin)) { DRM_DEBUG_KMS("Modeset potentially stuck, unbreaking through wedging\n"); - i915_gem_set_wedged(dev_priv); + intel_gt_set_wedged(&dev_priv->gt); } /* @@ -4299,7 +4323,7 @@ void intel_finish_reset(struct drm_i915_private *dev_priv) int ret; /* reset doesn't touch the display */ - if (!test_bit(I915_RESET_MODESET, &dev_priv->gpu_error.flags)) + if (!test_bit(I915_RESET_MODESET, &dev_priv->gt.reset.flags)) return; state = fetch_and_zero(&dev_priv->modeset_restore_state); @@ -4339,7 +4363,7 @@ unlock: drm_modeset_acquire_fini(ctx); mutex_unlock(&dev->mode_config.mutex); - clear_bit(I915_RESET_MODESET, &dev_priv->gpu_error.flags); + clear_bit_unlock(I915_RESET_MODESET, &dev_priv->gt.reset.flags); } static void icl_set_pipe_chicken(struct intel_crtc *crtc) @@ -5796,7 +5820,7 @@ static bool hsw_pre_update_disable_ips(const struct intel_crtc_state *old_crtc_s if (!old_crtc_state->ips_enabled) return false; - if (needs_modeset(&new_crtc_state->base)) + if (needs_modeset(new_crtc_state)) return true; /* @@ -5823,7 +5847,7 @@ static bool hsw_post_update_enable_ips(const struct intel_crtc_state *old_crtc_s if (!new_crtc_state->ips_enabled) return false; - if (needs_modeset(&new_crtc_state->base)) + if (needs_modeset(new_crtc_state)) return true; /* @@ -5877,13 +5901,13 @@ static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state) struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - struct drm_atomic_state *old_state = old_crtc_state->base.state; + struct drm_atomic_state *state = old_crtc_state->base.state; struct intel_crtc_state *pipe_config = - intel_atomic_get_new_crtc_state(to_intel_atomic_state(old_state), + intel_atomic_get_new_crtc_state(to_intel_atomic_state(state), crtc); struct drm_plane *primary = crtc->base.primary; struct drm_plane_state *old_primary_state = - drm_atomic_get_old_plane_state(old_state, primary); + drm_atomic_get_old_plane_state(state, primary); intel_frontbuffer_flip(to_i915(crtc->base.dev), pipe_config->fb_bits); @@ -5895,12 +5919,12 @@ static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state) if (old_primary_state) { struct drm_plane_state *new_primary_state = - drm_atomic_get_new_plane_state(old_state, primary); + drm_atomic_get_new_plane_state(state, primary); intel_fbc_post_update(crtc); if (new_primary_state->visible && - (needs_modeset(&pipe_config->base) || + (needs_modeset(pipe_config) || !old_primary_state->visible)) intel_post_enable_primary(&crtc->base, pipe_config); } @@ -5920,20 +5944,20 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state, struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - struct drm_atomic_state *old_state = old_crtc_state->base.state; + struct drm_atomic_state *state = old_crtc_state->base.state; struct drm_plane *primary = crtc->base.primary; struct drm_plane_state *old_primary_state = - drm_atomic_get_old_plane_state(old_state, primary); - bool modeset = needs_modeset(&pipe_config->base); - struct intel_atomic_state *old_intel_state = - to_intel_atomic_state(old_state); + drm_atomic_get_old_plane_state(state, primary); + bool modeset = needs_modeset(pipe_config); + struct intel_atomic_state *intel_state = + to_intel_atomic_state(state); if (hsw_pre_update_disable_ips(old_crtc_state, pipe_config)) hsw_disable_ips(old_crtc_state); if (old_primary_state) { struct intel_plane_state *new_primary_state = - intel_atomic_get_new_plane_state(old_intel_state, + intel_atomic_get_new_plane_state(intel_state, to_intel_plane(primary)); intel_fbc_pre_update(crtc, pipe_config, new_primary_state); @@ -5984,7 +6008,7 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state, * If we're doing a modeset, we're done. No need to do any pre-vblank * watermark programming here. */ - if (needs_modeset(&pipe_config->base)) + if (needs_modeset(pipe_config)) return; /* @@ -6002,7 +6026,7 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state, * us to. */ if (dev_priv->display.initial_watermarks != NULL) - dev_priv->display.initial_watermarks(old_intel_state, + dev_priv->display.initial_watermarks(intel_state, pipe_config); else if (pipe_config->update_wm_pre) intel_update_watermarks(crtc); @@ -6036,19 +6060,111 @@ static void intel_crtc_disable_planes(struct intel_atomic_state *state, intel_frontbuffer_flip(dev_priv, fb_bits); } -static void intel_encoders_pre_pll_enable(struct drm_crtc *crtc, +/* + * intel_connector_primary_encoder - get the primary encoder for a connector + * @connector: connector for which to return the encoder + * + * Returns the primary encoder for a connector. There is a 1:1 mapping from + * all connectors to their encoder, except for DP-MST connectors which have + * both a virtual and a primary encoder. These DP-MST primary encoders can be + * pointed to by as many DP-MST connectors as there are pipes. + */ +static struct intel_encoder * +intel_connector_primary_encoder(struct intel_connector *connector) +{ + struct intel_encoder *encoder; + + if (connector->mst_port) + return &dp_to_dig_port(connector->mst_port)->base; + + encoder = intel_attached_encoder(&connector->base); + WARN_ON(!encoder); + + return encoder; +} + +static bool +intel_connector_needs_modeset(struct intel_atomic_state *state, + const struct drm_connector_state *old_conn_state, + const struct drm_connector_state *new_conn_state) +{ + struct intel_crtc *old_crtc = old_conn_state->crtc ? + to_intel_crtc(old_conn_state->crtc) : NULL; + struct intel_crtc *new_crtc = new_conn_state->crtc ? + to_intel_crtc(new_conn_state->crtc) : NULL; + + return new_crtc != old_crtc || + (new_crtc && + needs_modeset(intel_atomic_get_new_crtc_state(state, new_crtc))); +} + +static void intel_encoders_update_prepare(struct intel_atomic_state *state) +{ + struct drm_connector_state *old_conn_state; + struct drm_connector_state *new_conn_state; + struct drm_connector *conn; + int i; + + for_each_oldnew_connector_in_state(&state->base, conn, + old_conn_state, new_conn_state, i) { + struct intel_encoder *encoder; + struct intel_crtc *crtc; + + if (!intel_connector_needs_modeset(state, + old_conn_state, + new_conn_state)) + continue; + + encoder = intel_connector_primary_encoder(to_intel_connector(conn)); + if (!encoder->update_prepare) + continue; + + crtc = new_conn_state->crtc ? + to_intel_crtc(new_conn_state->crtc) : NULL; + encoder->update_prepare(state, encoder, crtc); + } +} + +static void intel_encoders_update_complete(struct intel_atomic_state *state) +{ + struct drm_connector_state *old_conn_state; + struct drm_connector_state *new_conn_state; + struct drm_connector *conn; + int i; + + for_each_oldnew_connector_in_state(&state->base, conn, + old_conn_state, new_conn_state, i) { + struct intel_encoder *encoder; + struct intel_crtc *crtc; + + if (!intel_connector_needs_modeset(state, + old_conn_state, + new_conn_state)) + continue; + + encoder = intel_connector_primary_encoder(to_intel_connector(conn)); + if (!encoder->update_complete) + continue; + + crtc = new_conn_state->crtc ? + to_intel_crtc(new_conn_state->crtc) : NULL; + encoder->update_complete(state, encoder, crtc); + } +} + +static void intel_encoders_pre_pll_enable(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_connector_state *conn_state; struct drm_connector *conn; int i; - for_each_new_connector_in_state(old_state, conn, conn_state, i) { + for_each_new_connector_in_state(&state->base, conn, conn_state, i) { struct intel_encoder *encoder = to_intel_encoder(conn_state->best_encoder); - if (conn_state->crtc != crtc) + if (conn_state->crtc != &crtc->base) continue; if (encoder->pre_pll_enable) @@ -6056,19 +6172,19 @@ static void intel_encoders_pre_pll_enable(struct drm_crtc *crtc, } } -static void intel_encoders_pre_enable(struct drm_crtc *crtc, +static void intel_encoders_pre_enable(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_connector_state *conn_state; struct drm_connector *conn; int i; - for_each_new_connector_in_state(old_state, conn, conn_state, i) { + for_each_new_connector_in_state(&state->base, conn, conn_state, i) { struct intel_encoder *encoder = to_intel_encoder(conn_state->best_encoder); - if (conn_state->crtc != crtc) + if (conn_state->crtc != &crtc->base) continue; if (encoder->pre_enable) @@ -6076,19 +6192,19 @@ static void intel_encoders_pre_enable(struct drm_crtc *crtc, } } -static void intel_encoders_enable(struct drm_crtc *crtc, +static void intel_encoders_enable(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_connector_state *conn_state; struct drm_connector *conn; int i; - for_each_new_connector_in_state(old_state, conn, conn_state, i) { + for_each_new_connector_in_state(&state->base, conn, conn_state, i) { struct intel_encoder *encoder = to_intel_encoder(conn_state->best_encoder); - if (conn_state->crtc != crtc) + if (conn_state->crtc != &crtc->base) continue; if (encoder->enable) @@ -6097,19 +6213,19 @@ static void intel_encoders_enable(struct drm_crtc *crtc, } } -static void intel_encoders_disable(struct drm_crtc *crtc, +static void intel_encoders_disable(struct intel_crtc *crtc, struct intel_crtc_state *old_crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_connector_state *old_conn_state; struct drm_connector *conn; int i; - for_each_old_connector_in_state(old_state, conn, old_conn_state, i) { + for_each_old_connector_in_state(&state->base, conn, old_conn_state, i) { struct intel_encoder *encoder = to_intel_encoder(old_conn_state->best_encoder); - if (old_conn_state->crtc != crtc) + if (old_conn_state->crtc != &crtc->base) continue; intel_opregion_notify_encoder(encoder, false); @@ -6118,19 +6234,19 @@ static void intel_encoders_disable(struct drm_crtc *crtc, } } -static void intel_encoders_post_disable(struct drm_crtc *crtc, +static void intel_encoders_post_disable(struct intel_crtc *crtc, struct intel_crtc_state *old_crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_connector_state *old_conn_state; struct drm_connector *conn; int i; - for_each_old_connector_in_state(old_state, conn, old_conn_state, i) { + for_each_old_connector_in_state(&state->base, conn, old_conn_state, i) { struct intel_encoder *encoder = to_intel_encoder(old_conn_state->best_encoder); - if (old_conn_state->crtc != crtc) + if (old_conn_state->crtc != &crtc->base) continue; if (encoder->post_disable) @@ -6138,19 +6254,19 @@ static void intel_encoders_post_disable(struct drm_crtc *crtc, } } -static void intel_encoders_post_pll_disable(struct drm_crtc *crtc, +static void intel_encoders_post_pll_disable(struct intel_crtc *crtc, struct intel_crtc_state *old_crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_connector_state *old_conn_state; struct drm_connector *conn; int i; - for_each_old_connector_in_state(old_state, conn, old_conn_state, i) { + for_each_old_connector_in_state(&state->base, conn, old_conn_state, i) { struct intel_encoder *encoder = to_intel_encoder(old_conn_state->best_encoder); - if (old_conn_state->crtc != crtc) + if (old_conn_state->crtc != &crtc->base) continue; if (encoder->post_pll_disable) @@ -6158,19 +6274,19 @@ static void intel_encoders_post_pll_disable(struct drm_crtc *crtc, } } -static void intel_encoders_update_pipe(struct drm_crtc *crtc, +static void intel_encoders_update_pipe(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_connector_state *conn_state; struct drm_connector *conn; int i; - for_each_new_connector_in_state(old_state, conn, conn_state, i) { + for_each_new_connector_in_state(&state->base, conn, conn_state, i) { struct intel_encoder *encoder = to_intel_encoder(conn_state->best_encoder); - if (conn_state->crtc != crtc) + if (conn_state->crtc != &crtc->base) continue; if (encoder->update_pipe) @@ -6187,15 +6303,13 @@ static void intel_disable_primary_plane(const struct intel_crtc_state *crtc_stat } static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_crtc *crtc = pipe_config->base.crtc; struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = to_i915(dev); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int pipe = intel_crtc->pipe; - struct intel_atomic_state *old_intel_state = - to_intel_atomic_state(old_state); if (WARN_ON(intel_crtc->active)) return; @@ -6231,7 +6345,7 @@ static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config, intel_crtc->active = true; - intel_encoders_pre_enable(crtc, pipe_config, old_state); + intel_encoders_pre_enable(intel_crtc, pipe_config, state); if (pipe_config->has_pch_encoder) { /* Note: FDI PLL enabling _must_ be done before we enable the @@ -6255,16 +6369,16 @@ static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config, intel_disable_primary_plane(pipe_config); if (dev_priv->display.initial_watermarks != NULL) - dev_priv->display.initial_watermarks(old_intel_state, pipe_config); + dev_priv->display.initial_watermarks(state, pipe_config); intel_enable_pipe(pipe_config); if (pipe_config->has_pch_encoder) - ironlake_pch_enable(old_intel_state, pipe_config); + ironlake_pch_enable(state, pipe_config); assert_vblank_disabled(crtc); intel_crtc_vblank_on(pipe_config); - intel_encoders_enable(crtc, pipe_config, old_state); + intel_encoders_enable(intel_crtc, pipe_config, state); if (HAS_PCH_CPT(dev_priv)) cpt_verify_modeset(dev, intel_crtc->pipe); @@ -6310,33 +6424,37 @@ static void icl_pipe_mbus_enable(struct intel_crtc *crtc) u32 val; val = MBUS_DBOX_A_CREDIT(2); - val |= MBUS_DBOX_BW_CREDIT(1); - val |= MBUS_DBOX_B_CREDIT(8); + + if (INTEL_GEN(dev_priv) >= 12) { + val |= MBUS_DBOX_BW_CREDIT(2); + val |= MBUS_DBOX_B_CREDIT(12); + } else { + val |= MBUS_DBOX_BW_CREDIT(1); + val |= MBUS_DBOX_B_CREDIT(8); + } I915_WRITE(PIPE_MBUS_DBOX_CTL(pipe), val); } static void haswell_crtc_enable(struct intel_crtc_state *pipe_config, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_crtc *crtc = pipe_config->base.crtc; struct drm_i915_private *dev_priv = to_i915(crtc->dev); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int pipe = intel_crtc->pipe, hsw_workaround_pipe; enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; - struct intel_atomic_state *old_intel_state = - to_intel_atomic_state(old_state); bool psl_clkgate_wa; if (WARN_ON(intel_crtc->active)) return; - intel_encoders_pre_pll_enable(crtc, pipe_config, old_state); + intel_encoders_pre_pll_enable(intel_crtc, pipe_config, state); if (pipe_config->shared_dpll) intel_enable_shared_dpll(pipe_config); - intel_encoders_pre_enable(crtc, pipe_config, old_state); + intel_encoders_pre_enable(intel_crtc, pipe_config, state); if (intel_crtc_has_dp_encoder(pipe_config)) intel_dp_set_m_n(pipe_config, M1_N1); @@ -6394,7 +6512,7 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config, intel_ddi_enable_transcoder_func(pipe_config); if (dev_priv->display.initial_watermarks != NULL) - dev_priv->display.initial_watermarks(old_intel_state, pipe_config); + dev_priv->display.initial_watermarks(state, pipe_config); if (INTEL_GEN(dev_priv) >= 11) icl_pipe_mbus_enable(intel_crtc); @@ -6404,7 +6522,7 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config, intel_enable_pipe(pipe_config); if (pipe_config->has_pch_encoder) - lpt_pch_enable(old_intel_state, pipe_config); + lpt_pch_enable(state, pipe_config); if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DP_MST)) intel_ddi_set_vc_payload_alloc(pipe_config, true); @@ -6412,7 +6530,7 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config, assert_vblank_disabled(crtc); intel_crtc_vblank_on(pipe_config); - intel_encoders_enable(crtc, pipe_config, old_state); + intel_encoders_enable(intel_crtc, pipe_config, state); if (psl_clkgate_wa) { intel_wait_for_vblank(dev_priv, pipe); @@ -6444,7 +6562,7 @@ static void ironlake_pfit_disable(const struct intel_crtc_state *old_crtc_state) } static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_crtc *crtc = old_crtc_state->base.crtc; struct drm_device *dev = crtc->dev; @@ -6460,7 +6578,7 @@ static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state, intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); - intel_encoders_disable(crtc, old_crtc_state, old_state); + intel_encoders_disable(intel_crtc, old_crtc_state, state); drm_crtc_vblank_off(crtc); assert_vblank_disabled(crtc); @@ -6472,7 +6590,7 @@ static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state, if (old_crtc_state->has_pch_encoder) ironlake_fdi_disable(crtc); - intel_encoders_post_disable(crtc, old_crtc_state, old_state); + intel_encoders_post_disable(intel_crtc, old_crtc_state, state); if (old_crtc_state->has_pch_encoder) { ironlake_disable_pch_transcoder(dev_priv, pipe); @@ -6503,14 +6621,14 @@ static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state, } static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_crtc *crtc = old_crtc_state->base.crtc; struct drm_i915_private *dev_priv = to_i915(crtc->dev); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder; - intel_encoders_disable(crtc, old_crtc_state, old_state); + intel_encoders_disable(intel_crtc, old_crtc_state, state); drm_crtc_vblank_off(crtc); assert_vblank_disabled(crtc); @@ -6532,9 +6650,9 @@ static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state, else ironlake_pfit_disable(old_crtc_state); - intel_encoders_post_disable(crtc, old_crtc_state, old_state); + intel_encoders_post_disable(intel_crtc, old_crtc_state, state); - intel_encoders_post_pll_disable(crtc, old_crtc_state, old_state); + intel_encoders_post_pll_disable(intel_crtc, old_crtc_state, state); } static void i9xx_pfit_enable(const struct intel_crtc_state *crtc_state) @@ -6560,33 +6678,47 @@ static void i9xx_pfit_enable(const struct intel_crtc_state *crtc_state) I915_WRITE(BCLRPAT(crtc->pipe), 0); } -bool intel_port_is_combophy(struct drm_i915_private *dev_priv, enum port port) +bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy) { - if (port == PORT_NONE) + if (phy == PHY_NONE) return false; - if (IS_ELKHARTLAKE(dev_priv)) - return port <= PORT_C; + if (IS_ELKHARTLAKE(dev_priv) || INTEL_GEN(dev_priv) >= 12) + return phy <= PHY_C; if (INTEL_GEN(dev_priv) >= 11) - return port <= PORT_B; + return phy <= PHY_B; return false; } -bool intel_port_is_tc(struct drm_i915_private *dev_priv, enum port port) +bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy) { + if (INTEL_GEN(dev_priv) >= 12) + return phy >= PHY_D && phy <= PHY_I; + if (INTEL_GEN(dev_priv) >= 11 && !IS_ELKHARTLAKE(dev_priv)) - return port >= PORT_C && port <= PORT_F; + return phy >= PHY_C && phy <= PHY_F; return false; } +enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port) +{ + if (IS_ELKHARTLAKE(i915) && port == PORT_D) + return PHY_A; + + return (enum phy)port; +} + enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, enum port port) { - if (!intel_port_is_tc(dev_priv, port)) + if (!intel_phy_is_tc(dev_priv, intel_port_to_phy(dev_priv, port))) return PORT_TC_NONE; + if (INTEL_GEN(dev_priv) >= 12) + return port - PORT_D; + return port - PORT_C; } @@ -6614,6 +6746,26 @@ enum intel_display_power_domain intel_port_to_power_domain(enum port port) enum intel_display_power_domain intel_aux_power_domain(struct intel_digital_port *dig_port) { + struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); + enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); + + if (intel_phy_is_tc(dev_priv, phy) && + dig_port->tc_mode == TC_PORT_TBT_ALT) { + switch (dig_port->aux_ch) { + case AUX_CH_C: + return POWER_DOMAIN_AUX_TBT1; + case AUX_CH_D: + return POWER_DOMAIN_AUX_TBT2; + case AUX_CH_E: + return POWER_DOMAIN_AUX_TBT3; + case AUX_CH_F: + return POWER_DOMAIN_AUX_TBT4; + default: + MISSING_CASE(dig_port->aux_ch); + return POWER_DOMAIN_AUX_TBT1; + } + } + switch (dig_port->aux_ch) { case AUX_CH_A: return POWER_DOMAIN_AUX_A; @@ -6633,14 +6785,12 @@ intel_aux_power_domain(struct intel_digital_port *dig_port) } } -static u64 get_crtc_power_domains(struct drm_crtc *crtc, - struct intel_crtc_state *crtc_state) +static u64 get_crtc_power_domains(struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct drm_encoder *encoder; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - enum pipe pipe = intel_crtc->pipe; + enum pipe pipe = crtc->pipe; u64 mask; enum transcoder transcoder = crtc_state->cpu_transcoder; @@ -6653,7 +6803,8 @@ static u64 get_crtc_power_domains(struct drm_crtc *crtc, crtc_state->pch_pfit.force_thru) mask |= BIT_ULL(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); - drm_for_each_encoder_mask(encoder, dev, crtc_state->base.encoder_mask) { + drm_for_each_encoder_mask(encoder, &dev_priv->drm, + crtc_state->base.encoder_mask) { struct intel_encoder *intel_encoder = to_intel_encoder(encoder); mask |= BIT_ULL(intel_encoder->power_domain); @@ -6669,17 +6820,16 @@ static u64 get_crtc_power_domains(struct drm_crtc *crtc, } static u64 -modeset_get_crtc_power_domains(struct drm_crtc *crtc, - struct intel_crtc_state *crtc_state) +modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc->dev); - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum intel_display_power_domain domain; u64 domains, new_domains, old_domains; - old_domains = intel_crtc->enabled_power_domains; - intel_crtc->enabled_power_domains = new_domains = - get_crtc_power_domains(crtc, crtc_state); + old_domains = crtc->enabled_power_domains; + crtc->enabled_power_domains = new_domains = + get_crtc_power_domains(crtc_state); domains = new_domains & ~old_domains; @@ -6699,10 +6849,8 @@ static void modeset_put_power_domains(struct drm_i915_private *dev_priv, } static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { - struct intel_atomic_state *old_intel_state = - to_intel_atomic_state(old_state); struct drm_crtc *crtc = pipe_config->base.crtc; struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = to_i915(dev); @@ -6729,7 +6877,7 @@ static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config, intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); - intel_encoders_pre_pll_enable(crtc, pipe_config, old_state); + intel_encoders_pre_pll_enable(intel_crtc, pipe_config, state); if (IS_CHERRYVIEW(dev_priv)) { chv_prepare_pll(intel_crtc, pipe_config); @@ -6739,7 +6887,7 @@ static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config, vlv_enable_pll(intel_crtc, pipe_config); } - intel_encoders_pre_enable(crtc, pipe_config, old_state); + intel_encoders_pre_enable(intel_crtc, pipe_config, state); i9xx_pfit_enable(pipe_config); @@ -6748,14 +6896,13 @@ static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config, /* update DSPCNTR to configure gamma for pipe bottom color */ intel_disable_primary_plane(pipe_config); - dev_priv->display.initial_watermarks(old_intel_state, - pipe_config); + dev_priv->display.initial_watermarks(state, pipe_config); intel_enable_pipe(pipe_config); assert_vblank_disabled(crtc); intel_crtc_vblank_on(pipe_config); - intel_encoders_enable(crtc, pipe_config, old_state); + intel_encoders_enable(intel_crtc, pipe_config, state); } static void i9xx_set_pll_dividers(const struct intel_crtc_state *crtc_state) @@ -6768,10 +6915,8 @@ static void i9xx_set_pll_dividers(const struct intel_crtc_state *crtc_state) } static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { - struct intel_atomic_state *old_intel_state = - to_intel_atomic_state(old_state); struct drm_crtc *crtc = pipe_config->base.crtc; struct drm_device *dev = crtc->dev; struct drm_i915_private *dev_priv = to_i915(dev); @@ -6796,7 +6941,7 @@ static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config, if (!IS_GEN(dev_priv, 2)) intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); - intel_encoders_pre_enable(crtc, pipe_config, old_state); + intel_encoders_pre_enable(intel_crtc, pipe_config, state); i9xx_enable_pll(intel_crtc, pipe_config); @@ -6808,7 +6953,7 @@ static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config, intel_disable_primary_plane(pipe_config); if (dev_priv->display.initial_watermarks != NULL) - dev_priv->display.initial_watermarks(old_intel_state, + dev_priv->display.initial_watermarks(state, pipe_config); else intel_update_watermarks(intel_crtc); @@ -6817,7 +6962,7 @@ static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config, assert_vblank_disabled(crtc); intel_crtc_vblank_on(pipe_config); - intel_encoders_enable(crtc, pipe_config, old_state); + intel_encoders_enable(intel_crtc, pipe_config, state); } static void i9xx_pfit_disable(const struct intel_crtc_state *old_crtc_state) @@ -6836,7 +6981,7 @@ static void i9xx_pfit_disable(const struct intel_crtc_state *old_crtc_state) } static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state, - struct drm_atomic_state *old_state) + struct intel_atomic_state *state) { struct drm_crtc *crtc = old_crtc_state->base.crtc; struct drm_device *dev = crtc->dev; @@ -6851,7 +6996,7 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state, if (IS_GEN(dev_priv, 2)) intel_wait_for_vblank(dev_priv, pipe); - intel_encoders_disable(crtc, old_crtc_state, old_state); + intel_encoders_disable(intel_crtc, old_crtc_state, state); drm_crtc_vblank_off(crtc); assert_vblank_disabled(crtc); @@ -6860,7 +7005,7 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state, i9xx_pfit_disable(old_crtc_state); - intel_encoders_post_disable(crtc, old_crtc_state, old_state); + intel_encoders_post_disable(intel_crtc, old_crtc_state, state); if (!intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DSI)) { if (IS_CHERRYVIEW(dev_priv)) @@ -6871,7 +7016,7 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state, i9xx_disable_pll(old_crtc_state); } - intel_encoders_post_pll_disable(crtc, old_crtc_state, old_state); + intel_encoders_post_pll_disable(intel_crtc, old_crtc_state, state); if (!IS_GEN(dev_priv, 2)) intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); @@ -6925,7 +7070,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc, WARN_ON(IS_ERR(crtc_state) || ret); - dev_priv->display.crtc_disable(crtc_state, state); + dev_priv->display.crtc_disable(crtc_state, to_intel_atomic_state(state)); drm_atomic_state_put(state); @@ -6988,7 +7133,7 @@ void intel_encoder_destroy(struct drm_encoder *encoder) /* Cross check the actual hw state with our own modeset state tracking (and it's * internal consistency). */ -static void intel_connector_verify_state(struct drm_crtc_state *crtc_state, +static void intel_connector_verify_state(struct intel_crtc_state *crtc_state, struct drm_connector_state *conn_state) { struct intel_connector *connector = to_intel_connector(conn_state->connector); @@ -7006,7 +7151,7 @@ static void intel_connector_verify_state(struct drm_crtc_state *crtc_state, if (!crtc_state) return; - I915_STATE_WARN(!crtc_state->active, + I915_STATE_WARN(!crtc_state->base.active, "connector is active, but attached crtc isn't\n"); if (!encoder || encoder->type == INTEL_OUTPUT_DP_MST) @@ -7018,7 +7163,7 @@ static void intel_connector_verify_state(struct drm_crtc_state *crtc_state, I915_STATE_WARN(conn_state->crtc != encoder->base.crtc, "attached encoder crtc differs from connector crtc\n"); } else { - I915_STATE_WARN(crtc_state && crtc_state->active, + I915_STATE_WARN(crtc_state && crtc_state->base.active, "attached crtc is active, but connector isn't\n"); I915_STATE_WARN(!crtc_state && conn_state->best_encoder, "best encoder set without crtc!\n"); @@ -9484,6 +9629,8 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_atomic_state *state = + to_intel_atomic_state(crtc_state->base.state); const struct intel_limit *limit; int refclk = 120000; @@ -9525,7 +9672,7 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, ironlake_compute_dpll(crtc, crtc_state, NULL); - if (!intel_get_shared_dpll(crtc_state, NULL)) { + if (!intel_reserve_shared_dplls(state, crtc, NULL)) { DRM_DEBUG_KMS("failed to find PLL for pipe %c\n", pipe_name(crtc->pipe)); return -EINVAL; @@ -9906,7 +10053,7 @@ static int haswell_crtc_compute_clock(struct intel_crtc *crtc, struct intel_encoder *encoder = intel_get_crtc_new_encoder(state, crtc_state); - if (!intel_get_shared_dpll(crtc_state, encoder)) { + if (!intel_reserve_shared_dplls(state, crtc, encoder)) { DRM_DEBUG_KMS("failed to find PLL for pipe %c\n", pipe_name(crtc->pipe)); return -EINVAL; @@ -9936,22 +10083,37 @@ static void icelake_get_ddi_pll(struct drm_i915_private *dev_priv, enum port port, struct intel_crtc_state *pipe_config) { + enum phy phy = intel_port_to_phy(dev_priv, port); + enum icl_port_dpll_id port_dpll_id; enum intel_dpll_id id; u32 temp; - /* TODO: TBT pll not implemented. */ - if (intel_port_is_combophy(dev_priv, port)) { - temp = I915_READ(DPCLKA_CFGCR0_ICL) & - DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port); - id = temp >> DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(port); - } else if (intel_port_is_tc(dev_priv, port)) { - id = icl_tc_port_to_pll_id(intel_port_to_tc(dev_priv, port)); + if (intel_phy_is_combo(dev_priv, phy)) { + temp = I915_READ(ICL_DPCLKA_CFGCR0) & + ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy); + id = temp >> ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy); + port_dpll_id = ICL_PORT_DPLL_DEFAULT; + } else if (intel_phy_is_tc(dev_priv, phy)) { + u32 clk_sel = I915_READ(DDI_CLK_SEL(port)) & DDI_CLK_SEL_MASK; + + if (clk_sel == DDI_CLK_SEL_MG) { + id = icl_tc_port_to_pll_id(intel_port_to_tc(dev_priv, + port)); + port_dpll_id = ICL_PORT_DPLL_MG_PHY; + } else { + WARN_ON(clk_sel < DDI_CLK_SEL_TBT_162); + id = DPLL_ID_ICL_TBTPLL; + port_dpll_id = ICL_PORT_DPLL_DEFAULT; + } } else { WARN(1, "Invalid port %x\n", port); return; } - pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id); + pipe_config->icl_port_dplls[port_dpll_id].pll = + intel_get_shared_dpll_by_id(dev_priv, id); + + icl_set_active_port_dpll(pipe_config, port_dpll_id); } static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv, @@ -10191,7 +10353,11 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc, tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); - port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; + if (INTEL_GEN(dev_priv) >= 12) + port = (tmp & TGL_TRANS_DDI_PORT_MASK) >> + TGL_TRANS_DDI_PORT_SHIFT; + else + port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; if (INTEL_GEN(dev_priv) >= 11) icelake_get_ddi_pll(dev_priv, port, pipe_config); @@ -11297,7 +11463,7 @@ static void intel_crtc_destroy(struct drm_crtc *crtc) * * Returns true or false. */ -static bool intel_wm_need_update(struct intel_plane_state *cur, +static bool intel_wm_need_update(const struct intel_plane_state *cur, struct intel_plane_state *new) { /* Update watermarks on tiling or size changes. */ @@ -11329,33 +11495,28 @@ static bool needs_scaling(const struct intel_plane_state *state) } int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_state, - struct drm_crtc_state *crtc_state, + struct intel_crtc_state *crtc_state, const struct intel_plane_state *old_plane_state, - struct drm_plane_state *plane_state) + struct intel_plane_state *plane_state) { - struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc_state); - struct drm_crtc *crtc = crtc_state->crtc; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_plane *plane = to_intel_plane(plane_state->plane); - struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); bool mode_changed = needs_modeset(crtc_state); bool was_crtc_enabled = old_crtc_state->base.active; - bool is_crtc_enabled = crtc_state->active; + bool is_crtc_enabled = crtc_state->base.active; bool turn_off, turn_on, visible, was_visible; - struct drm_framebuffer *fb = plane_state->fb; + struct drm_framebuffer *fb = plane_state->base.fb; int ret; if (INTEL_GEN(dev_priv) >= 9 && plane->id != PLANE_CURSOR) { - ret = skl_update_scaler_plane( - to_intel_crtc_state(crtc_state), - to_intel_plane_state(plane_state)); + ret = skl_update_scaler_plane(crtc_state, plane_state); if (ret) return ret; } was_visible = old_plane_state->base.visible; - visible = plane_state->visible; + visible = plane_state->base.visible; if (!was_crtc_enabled && WARN_ON(was_visible)) was_visible = false; @@ -11371,22 +11532,22 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat * only combine the results from all planes in the current place? */ if (!is_crtc_enabled) { - plane_state->visible = visible = false; - to_intel_crtc_state(crtc_state)->active_planes &= ~BIT(plane->id); - to_intel_crtc_state(crtc_state)->data_rate[plane->id] = 0; + plane_state->base.visible = visible = false; + crtc_state->active_planes &= ~BIT(plane->id); + crtc_state->data_rate[plane->id] = 0; } if (!was_visible && !visible) return 0; if (fb != old_plane_state->base.fb) - pipe_config->fb_changed = true; + crtc_state->fb_changed = true; turn_off = was_visible && (!visible || mode_changed); turn_on = visible && (!was_visible || mode_changed); DRM_DEBUG_ATOMIC("[CRTC:%d:%s] has [PLANE:%d:%s] with fb %i\n", - intel_crtc->base.base.id, intel_crtc->base.name, + crtc->base.base.id, crtc->base.name, plane->base.base.id, plane->base.name, fb ? fb->base.id : -1); @@ -11397,29 +11558,28 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat if (turn_on) { if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv)) - pipe_config->update_wm_pre = true; + crtc_state->update_wm_pre = true; /* must disable cxsr around plane enable/disable */ if (plane->id != PLANE_CURSOR) - pipe_config->disable_cxsr = true; + crtc_state->disable_cxsr = true; } else if (turn_off) { if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv)) - pipe_config->update_wm_post = true; + crtc_state->update_wm_post = true; /* must disable cxsr around plane enable/disable */ if (plane->id != PLANE_CURSOR) - pipe_config->disable_cxsr = true; - } else if (intel_wm_need_update(to_intel_plane_state(plane->base.state), - to_intel_plane_state(plane_state))) { + crtc_state->disable_cxsr = true; + } else if (intel_wm_need_update(old_plane_state, plane_state)) { if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv)) { /* FIXME bollocks */ - pipe_config->update_wm_pre = true; - pipe_config->update_wm_post = true; + crtc_state->update_wm_pre = true; + crtc_state->update_wm_post = true; } } if (visible || was_visible) - pipe_config->fb_bits |= plane->frontbuffer_bit; + crtc_state->fb_bits |= plane->frontbuffer_bit; /* * ILK/SNB DVSACNTR/Sprite Enable @@ -11458,8 +11618,8 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat (IS_GEN_RANGE(dev_priv, 5, 6) || IS_IVYBRIDGE(dev_priv)) && (turn_on || (!needs_scaling(old_plane_state) && - needs_scaling(to_intel_plane_state(plane_state))))) - pipe_config->disable_lp_wm = true; + needs_scaling(plane_state)))) + crtc_state->disable_lp_wm = true; return 0; } @@ -11608,7 +11768,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc, struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc_state); int ret; - bool mode_changed = needs_modeset(crtc_state); + bool mode_changed = needs_modeset(pipe_config); if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv) && mode_changed && !crtc_state->active) @@ -12090,6 +12250,8 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state) saved_state->scaler_state = crtc_state->scaler_state; saved_state->shared_dpll = crtc_state->shared_dpll; saved_state->dpll_hw_state = crtc_state->dpll_hw_state; + memcpy(saved_state->icl_port_dplls, crtc_state->icl_port_dplls, + sizeof(saved_state->icl_port_dplls)); saved_state->crc_enabled = crtc_state->crc_enabled; if (IS_G4X(dev_priv) || IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) @@ -12706,10 +12868,10 @@ static void intel_pipe_config_sanity_check(struct drm_i915_private *dev_priv, } } -static void verify_wm_state(struct drm_crtc *crtc, - struct drm_crtc_state *new_state) +static void verify_wm_state(struct intel_crtc *crtc, + struct intel_crtc_state *new_crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc->dev); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct skl_hw_state { struct skl_ddb_entry ddb_y[I915_MAX_PLANES]; struct skl_ddb_entry ddb_uv[I915_MAX_PLANES]; @@ -12719,21 +12881,20 @@ static void verify_wm_state(struct drm_crtc *crtc, struct skl_ddb_allocation *sw_ddb; struct skl_pipe_wm *sw_wm; struct skl_ddb_entry *hw_ddb_entry, *sw_ddb_entry; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - const enum pipe pipe = intel_crtc->pipe; + const enum pipe pipe = crtc->pipe; int plane, level, max_level = ilk_wm_max_level(dev_priv); - if (INTEL_GEN(dev_priv) < 9 || !new_state->active) + if (INTEL_GEN(dev_priv) < 9 || !new_crtc_state->base.active) return; hw = kzalloc(sizeof(*hw), GFP_KERNEL); if (!hw) return; - skl_pipe_wm_get_hw_state(intel_crtc, &hw->wm); - sw_wm = &to_intel_crtc_state(new_state)->wm.skl.optimal; + skl_pipe_wm_get_hw_state(crtc, &hw->wm); + sw_wm = &new_crtc_state->wm.skl.optimal; - skl_pipe_ddb_get_hw_state(intel_crtc, hw->ddb_y, hw->ddb_uv); + skl_pipe_ddb_get_hw_state(crtc, hw->ddb_y, hw->ddb_uv); skl_ddb_get_hw_state(dev_priv, &hw->ddb); sw_ddb = &dev_priv->wm.skl_hw.ddb; @@ -12781,7 +12942,7 @@ static void verify_wm_state(struct drm_crtc *crtc, /* DDB */ hw_ddb_entry = &hw->ddb_y[plane]; - sw_ddb_entry = &to_intel_crtc_state(new_state)->wm.skl.plane_ddb_y[plane]; + sw_ddb_entry = &new_crtc_state->wm.skl.plane_ddb_y[plane]; if (!skl_ddb_entry_equal(hw_ddb_entry, sw_ddb_entry)) { DRM_ERROR("mismatch in DDB state pipe %c plane %d (expected (%u,%u), found (%u,%u))\n", @@ -12833,7 +12994,7 @@ static void verify_wm_state(struct drm_crtc *crtc, /* DDB */ hw_ddb_entry = &hw->ddb_y[PLANE_CURSOR]; - sw_ddb_entry = &to_intel_crtc_state(new_state)->wm.skl.plane_ddb_y[PLANE_CURSOR]; + sw_ddb_entry = &new_crtc_state->wm.skl.plane_ddb_y[PLANE_CURSOR]; if (!skl_ddb_entry_equal(hw_ddb_entry, sw_ddb_entry)) { DRM_ERROR("mismatch in DDB state pipe %c cursor (expected (%u,%u), found (%u,%u))\n", @@ -12847,23 +13008,22 @@ static void verify_wm_state(struct drm_crtc *crtc, } static void -verify_connector_state(struct drm_device *dev, - struct drm_atomic_state *state, - struct drm_crtc *crtc) +verify_connector_state(struct intel_atomic_state *state, + struct intel_crtc *crtc) { struct drm_connector *connector; struct drm_connector_state *new_conn_state; int i; - for_each_new_connector_in_state(state, connector, new_conn_state, i) { + for_each_new_connector_in_state(&state->base, connector, new_conn_state, i) { struct drm_encoder *encoder = connector->encoder; - struct drm_crtc_state *crtc_state = NULL; + struct intel_crtc_state *crtc_state = NULL; - if (new_conn_state->crtc != crtc) + if (new_conn_state->crtc != &crtc->base) continue; if (crtc) - crtc_state = drm_atomic_get_new_crtc_state(state, new_conn_state->crtc); + crtc_state = intel_atomic_get_new_crtc_state(state, crtc); intel_connector_verify_state(crtc_state, new_conn_state); @@ -12873,14 +13033,14 @@ verify_connector_state(struct drm_device *dev, } static void -verify_encoder_state(struct drm_device *dev, struct drm_atomic_state *state) +verify_encoder_state(struct drm_i915_private *dev_priv, struct intel_atomic_state *state) { struct intel_encoder *encoder; struct drm_connector *connector; struct drm_connector_state *old_conn_state, *new_conn_state; int i; - for_each_intel_encoder(dev, encoder) { + for_each_intel_encoder(&dev_priv->drm, encoder) { bool enabled = false, found = false; enum pipe pipe; @@ -12888,7 +13048,7 @@ verify_encoder_state(struct drm_device *dev, struct drm_atomic_state *state) encoder->base.base.id, encoder->base.name); - for_each_oldnew_connector_in_state(state, connector, old_conn_state, + for_each_oldnew_connector_in_state(&state->base, connector, old_conn_state, new_conn_state, i) { if (old_conn_state->best_encoder == &encoder->base) found = true; @@ -12922,50 +13082,49 @@ verify_encoder_state(struct drm_device *dev, struct drm_atomic_state *state) } static void -verify_crtc_state(struct drm_crtc *crtc, - struct drm_crtc_state *old_crtc_state, - struct drm_crtc_state *new_crtc_state) +verify_crtc_state(struct intel_crtc *crtc, + struct intel_crtc_state *old_crtc_state, + struct intel_crtc_state *new_crtc_state) { - struct drm_device *dev = crtc->dev; + struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); struct intel_encoder *encoder; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_crtc_state *pipe_config, *sw_config; - struct drm_atomic_state *old_state; + struct intel_crtc_state *pipe_config; + struct drm_atomic_state *state; bool active; - old_state = old_crtc_state->state; - __drm_atomic_helper_crtc_destroy_state(old_crtc_state); - pipe_config = to_intel_crtc_state(old_crtc_state); + state = old_crtc_state->base.state; + __drm_atomic_helper_crtc_destroy_state(&old_crtc_state->base); + pipe_config = old_crtc_state; memset(pipe_config, 0, sizeof(*pipe_config)); - pipe_config->base.crtc = crtc; - pipe_config->base.state = old_state; + pipe_config->base.crtc = &crtc->base; + pipe_config->base.state = state; - DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); + DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.base.id, crtc->base.name); - active = dev_priv->display.get_pipe_config(intel_crtc, pipe_config); + active = dev_priv->display.get_pipe_config(crtc, pipe_config); /* we keep both pipes enabled on 830 */ if (IS_I830(dev_priv)) - active = new_crtc_state->active; + active = new_crtc_state->base.active; - I915_STATE_WARN(new_crtc_state->active != active, + I915_STATE_WARN(new_crtc_state->base.active != active, "crtc active state doesn't match with hw state " - "(expected %i, found %i)\n", new_crtc_state->active, active); + "(expected %i, found %i)\n", new_crtc_state->base.active, active); - I915_STATE_WARN(intel_crtc->active != new_crtc_state->active, + I915_STATE_WARN(crtc->active != new_crtc_state->base.active, "transitional active state does not match atomic hw state " - "(expected %i, found %i)\n", new_crtc_state->active, intel_crtc->active); + "(expected %i, found %i)\n", new_crtc_state->base.active, crtc->active); - for_each_encoder_on_crtc(dev, crtc, encoder) { + for_each_encoder_on_crtc(dev, &crtc->base, encoder) { enum pipe pipe; active = encoder->get_hw_state(encoder, &pipe); - I915_STATE_WARN(active != new_crtc_state->active, + I915_STATE_WARN(active != new_crtc_state->base.active, "[ENCODER:%i] active %i with crtc active %i\n", - encoder->base.base.id, active, new_crtc_state->active); + encoder->base.base.id, active, new_crtc_state->base.active); - I915_STATE_WARN(active && intel_crtc->pipe != pipe, + I915_STATE_WARN(active && crtc->pipe != pipe, "Encoder connected to wrong pipe %c\n", pipe_name(pipe)); @@ -12975,16 +13134,16 @@ verify_crtc_state(struct drm_crtc *crtc, intel_crtc_compute_pixel_rate(pipe_config); - if (!new_crtc_state->active) + if (!new_crtc_state->base.active) return; intel_pipe_config_sanity_check(dev_priv, pipe_config); - sw_config = to_intel_crtc_state(new_crtc_state); - if (!intel_pipe_config_compare(sw_config, pipe_config, false)) { + if (!intel_pipe_config_compare(new_crtc_state, + pipe_config, false)) { I915_STATE_WARN(1, "pipe state doesn't match!\n"); intel_dump_pipe_config(pipe_config, NULL, "[hw state]"); - intel_dump_pipe_config(sw_config, NULL, "[sw state]"); + intel_dump_pipe_config(new_crtc_state, NULL, "[sw state]"); } } @@ -13004,8 +13163,8 @@ intel_verify_planes(struct intel_atomic_state *state) static void verify_single_dpll_state(struct drm_i915_private *dev_priv, struct intel_shared_dpll *pll, - struct drm_crtc *crtc, - struct drm_crtc_state *new_state) + struct intel_crtc *crtc, + struct intel_crtc_state *new_crtc_state) { struct intel_dpll_hw_state dpll_hw_state; unsigned int crtc_mask; @@ -13035,16 +13194,16 @@ verify_single_dpll_state(struct drm_i915_private *dev_priv, return; } - crtc_mask = drm_crtc_mask(crtc); + crtc_mask = drm_crtc_mask(&crtc->base); - if (new_state->active) + if (new_crtc_state->base.active) I915_STATE_WARN(!(pll->active_mask & crtc_mask), "pll active mismatch (expected pipe %c in active mask 0x%02x)\n", - pipe_name(drm_crtc_index(crtc)), pll->active_mask); + pipe_name(drm_crtc_index(&crtc->base)), pll->active_mask); else I915_STATE_WARN(pll->active_mask & crtc_mask, "pll active mismatch (didn't expect pipe %c in active mask 0x%02x)\n", - pipe_name(drm_crtc_index(crtc)), pll->active_mask); + pipe_name(drm_crtc_index(&crtc->base)), pll->active_mask); I915_STATE_WARN(!(pll->state.crtc_mask & crtc_mask), "pll enabled crtcs mismatch (expected 0x%x in 0x%02x)\n", @@ -13057,51 +13216,47 @@ verify_single_dpll_state(struct drm_i915_private *dev_priv, } static void -verify_shared_dpll_state(struct drm_device *dev, struct drm_crtc *crtc, - struct drm_crtc_state *old_crtc_state, - struct drm_crtc_state *new_crtc_state) +verify_shared_dpll_state(struct intel_crtc *crtc, + struct intel_crtc_state *old_crtc_state, + struct intel_crtc_state *new_crtc_state) { - struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_crtc_state *old_state = to_intel_crtc_state(old_crtc_state); - struct intel_crtc_state *new_state = to_intel_crtc_state(new_crtc_state); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - if (new_state->shared_dpll) - verify_single_dpll_state(dev_priv, new_state->shared_dpll, crtc, new_crtc_state); + if (new_crtc_state->shared_dpll) + verify_single_dpll_state(dev_priv, new_crtc_state->shared_dpll, crtc, new_crtc_state); - if (old_state->shared_dpll && - old_state->shared_dpll != new_state->shared_dpll) { - unsigned int crtc_mask = drm_crtc_mask(crtc); - struct intel_shared_dpll *pll = old_state->shared_dpll; + if (old_crtc_state->shared_dpll && + old_crtc_state->shared_dpll != new_crtc_state->shared_dpll) { + unsigned int crtc_mask = drm_crtc_mask(&crtc->base); + struct intel_shared_dpll *pll = old_crtc_state->shared_dpll; I915_STATE_WARN(pll->active_mask & crtc_mask, "pll active mismatch (didn't expect pipe %c in active mask)\n", - pipe_name(drm_crtc_index(crtc))); + pipe_name(drm_crtc_index(&crtc->base))); I915_STATE_WARN(pll->state.crtc_mask & crtc_mask, "pll enabled crtcs mismatch (found %x in enabled mask)\n", - pipe_name(drm_crtc_index(crtc))); + pipe_name(drm_crtc_index(&crtc->base))); } } static void -intel_modeset_verify_crtc(struct drm_crtc *crtc, - struct drm_atomic_state *state, - struct drm_crtc_state *old_state, - struct drm_crtc_state *new_state) +intel_modeset_verify_crtc(struct intel_crtc *crtc, + struct intel_atomic_state *state, + struct intel_crtc_state *old_crtc_state, + struct intel_crtc_state *new_crtc_state) { - if (!needs_modeset(new_state) && - !to_intel_crtc_state(new_state)->update_pipe) + if (!needs_modeset(new_crtc_state) && !new_crtc_state->update_pipe) return; - verify_wm_state(crtc, new_state); - verify_connector_state(crtc->dev, state, crtc); - verify_crtc_state(crtc, old_state, new_state); - verify_shared_dpll_state(crtc->dev, crtc, old_state, new_state); + verify_wm_state(crtc, new_crtc_state); + verify_connector_state(state, crtc); + verify_crtc_state(crtc, old_crtc_state, new_crtc_state); + verify_shared_dpll_state(crtc, old_crtc_state, new_crtc_state); } static void -verify_disabled_dpll_state(struct drm_device *dev) +verify_disabled_dpll_state(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); int i; for (i = 0; i < dev_priv->num_shared_dpll; i++) @@ -13109,12 +13264,12 @@ verify_disabled_dpll_state(struct drm_device *dev) } static void -intel_modeset_verify_disabled(struct drm_device *dev, - struct drm_atomic_state *state) +intel_modeset_verify_disabled(struct drm_i915_private *dev_priv, + struct intel_atomic_state *state) { - verify_encoder_state(dev, state); - verify_connector_state(dev, state, NULL); - verify_disabled_dpll_state(dev); + verify_encoder_state(dev_priv, state); + verify_connector_state(state, NULL); + verify_disabled_dpll_state(dev_priv); } static void update_scanline_offset(const struct intel_crtc_state *crtc_state) @@ -13168,27 +13323,18 @@ static void update_scanline_offset(const struct intel_crtc_state *crtc_state) static void intel_modeset_clear_plls(struct intel_atomic_state *state) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); - struct intel_crtc_state *old_crtc_state, *new_crtc_state; + struct intel_crtc_state *new_crtc_state; struct intel_crtc *crtc; int i; if (!dev_priv->display.crtc_compute_clock) return; - for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, - new_crtc_state, i) { - struct intel_shared_dpll *old_dpll = - old_crtc_state->shared_dpll; - - if (!needs_modeset(&new_crtc_state->base)) - continue; - - new_crtc_state->shared_dpll = NULL; - - if (!old_dpll) + for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { + if (!needs_modeset(new_crtc_state)) continue; - intel_release_shared_dpll(old_dpll, crtc, &state->base); + intel_release_shared_dplls(state, crtc); } } @@ -13210,7 +13356,7 @@ static int haswell_mode_set_planes_workaround(struct intel_atomic_state *state) /* look at all crtc's that are going to be enabled in during modeset */ for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) { if (!crtc_state->base.active || - !needs_modeset(&crtc_state->base)) + !needs_modeset(crtc_state)) continue; if (first_crtc_state) { @@ -13235,7 +13381,7 @@ static int haswell_mode_set_planes_workaround(struct intel_atomic_state *state) crtc_state->hsw_workaround_pipe = INVALID_PIPE; if (!crtc_state->base.active || - needs_modeset(&crtc_state->base)) + needs_modeset(crtc_state)) continue; /* 2 or more enabled crtcs means no need for w/a */ @@ -13253,15 +13399,16 @@ static int haswell_mode_set_planes_workaround(struct intel_atomic_state *state) return 0; } -static int intel_lock_all_pipes(struct drm_atomic_state *state) +static int intel_lock_all_pipes(struct intel_atomic_state *state) { - struct drm_crtc *crtc; + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc *crtc; /* Add all pipes to the state */ - for_each_crtc(state->dev, crtc) { - struct drm_crtc_state *crtc_state; + for_each_intel_crtc(&dev_priv->drm, crtc) { + struct intel_crtc_state *crtc_state; - crtc_state = drm_atomic_get_crtc_state(state, crtc); + crtc_state = intel_atomic_get_crtc_state(&state->base, crtc); if (IS_ERR(crtc_state)) return PTR_ERR(crtc_state); } @@ -13269,32 +13416,35 @@ static int intel_lock_all_pipes(struct drm_atomic_state *state) return 0; } -static int intel_modeset_all_pipes(struct drm_atomic_state *state) +static int intel_modeset_all_pipes(struct intel_atomic_state *state) { - struct drm_crtc *crtc; + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc *crtc; /* * Add all pipes to the state, and force * a modeset on all the active ones. */ - for_each_crtc(state->dev, crtc) { - struct drm_crtc_state *crtc_state; + for_each_intel_crtc(&dev_priv->drm, crtc) { + struct intel_crtc_state *crtc_state; int ret; - crtc_state = drm_atomic_get_crtc_state(state, crtc); + crtc_state = intel_atomic_get_crtc_state(&state->base, crtc); if (IS_ERR(crtc_state)) return PTR_ERR(crtc_state); - if (!crtc_state->active || needs_modeset(crtc_state)) + if (!crtc_state->base.active || needs_modeset(crtc_state)) continue; - crtc_state->mode_changed = true; + crtc_state->base.mode_changed = true; - ret = drm_atomic_add_affected_connectors(state, crtc); + ret = drm_atomic_add_affected_connectors(&state->base, + &crtc->base); if (ret) return ret; - ret = drm_atomic_add_affected_planes(state, crtc); + ret = drm_atomic_add_affected_planes(&state->base, + &crtc->base); if (ret) return ret; } @@ -13356,18 +13506,18 @@ static int intel_modeset_checks(struct intel_atomic_state *state) */ if (intel_cdclk_changed(&dev_priv->cdclk.logical, &state->cdclk.logical)) { - ret = intel_lock_all_pipes(&state->base); + ret = intel_lock_all_pipes(state); if (ret < 0) return ret; } if (is_power_of_2(state->active_crtcs)) { - struct drm_crtc *crtc; - struct drm_crtc_state *crtc_state; + struct intel_crtc *crtc; + struct intel_crtc_state *crtc_state; pipe = ilog2(state->active_crtcs); - crtc = &intel_get_crtc_for_pipe(dev_priv, pipe)->base; - crtc_state = drm_atomic_get_new_crtc_state(&state->base, crtc); + crtc = intel_get_crtc_for_pipe(dev_priv, pipe); + crtc_state = intel_atomic_get_new_crtc_state(state, crtc); if (crtc_state && needs_modeset(crtc_state)) pipe = INVALID_PIPE; } else { @@ -13379,14 +13529,14 @@ static int intel_modeset_checks(struct intel_atomic_state *state) intel_cdclk_needs_cd2x_update(dev_priv, &dev_priv->cdclk.actual, &state->cdclk.actual)) { - ret = intel_lock_all_pipes(&state->base); + ret = intel_lock_all_pipes(state); if (ret < 0) return ret; state->cdclk.pipe = pipe; } else if (intel_cdclk_needs_modeset(&dev_priv->cdclk.actual, &state->cdclk.actual)) { - ret = intel_modeset_all_pipes(&state->base); + ret = intel_modeset_all_pipes(state); if (ret < 0) return ret; @@ -13478,7 +13628,7 @@ static int intel_atomic_check(struct drm_device *dev, for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - if (!needs_modeset(&new_crtc_state->base)) + if (!needs_modeset(new_crtc_state)) continue; if (!new_crtc_state->base.enable) { @@ -13492,7 +13642,7 @@ static int intel_atomic_check(struct drm_device *dev, intel_crtc_check_fastset(old_crtc_state, new_crtc_state); - if (needs_modeset(&new_crtc_state->base)) + if (needs_modeset(new_crtc_state)) any_ms = true; } @@ -13527,12 +13677,12 @@ static int intel_atomic_check(struct drm_device *dev, for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - if (!needs_modeset(&new_crtc_state->base) && + if (!needs_modeset(new_crtc_state) && !new_crtc_state->update_pipe) continue; intel_dump_pipe_config(new_crtc_state, state, - needs_modeset(&new_crtc_state->base) ? + needs_modeset(new_crtc_state) ? "[modeset]" : "[fastset]"); } @@ -13553,10 +13703,10 @@ static int intel_atomic_check(struct drm_device *dev, return ret; } -static int intel_atomic_prepare_commit(struct drm_device *dev, - struct drm_atomic_state *state) +static int intel_atomic_prepare_commit(struct intel_atomic_state *state) { - return drm_atomic_helper_prepare_planes(dev, state); + return drm_atomic_helper_prepare_planes(state->base.dev, + &state->base); } u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc) @@ -13567,60 +13717,57 @@ u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc) if (!vblank->max_vblank_count) return (u32)drm_crtc_accurate_vblank_count(&crtc->base); - return dev->driver->get_vblank_counter(dev, crtc->pipe); + return crtc->base.funcs->get_vblank_counter(&crtc->base); } -static void intel_update_crtc(struct drm_crtc *crtc, - struct drm_atomic_state *state, - struct drm_crtc_state *old_crtc_state, - struct drm_crtc_state *new_crtc_state) +static void intel_update_crtc(struct intel_crtc *crtc, + struct intel_atomic_state *state, + struct intel_crtc_state *old_crtc_state, + struct intel_crtc_state *new_crtc_state) { - struct drm_device *dev = crtc->dev; + struct drm_device *dev = state->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_crtc_state *pipe_config = to_intel_crtc_state(new_crtc_state); bool modeset = needs_modeset(new_crtc_state); struct intel_plane_state *new_plane_state = - intel_atomic_get_new_plane_state(to_intel_atomic_state(state), - to_intel_plane(crtc->primary)); + intel_atomic_get_new_plane_state(state, + to_intel_plane(crtc->base.primary)); if (modeset) { - update_scanline_offset(pipe_config); - dev_priv->display.crtc_enable(pipe_config, state); + update_scanline_offset(new_crtc_state); + dev_priv->display.crtc_enable(new_crtc_state, state); /* vblanks work again, re-enable pipe CRC. */ - intel_crtc_enable_pipe_crc(intel_crtc); + intel_crtc_enable_pipe_crc(crtc); } else { - intel_pre_plane_update(to_intel_crtc_state(old_crtc_state), - pipe_config); + intel_pre_plane_update(old_crtc_state, new_crtc_state); - if (pipe_config->update_pipe) - intel_encoders_update_pipe(crtc, pipe_config, state); + if (new_crtc_state->update_pipe) + intel_encoders_update_pipe(crtc, new_crtc_state, state); } - if (pipe_config->update_pipe && !pipe_config->enable_fbc) - intel_fbc_disable(intel_crtc); + if (new_crtc_state->update_pipe && !new_crtc_state->enable_fbc) + intel_fbc_disable(crtc); else if (new_plane_state) - intel_fbc_enable(intel_crtc, pipe_config, new_plane_state); + intel_fbc_enable(crtc, new_crtc_state, new_plane_state); - intel_begin_crtc_commit(to_intel_atomic_state(state), intel_crtc); + intel_begin_crtc_commit(state, crtc); if (INTEL_GEN(dev_priv) >= 9) - skl_update_planes_on_crtc(to_intel_atomic_state(state), intel_crtc); + skl_update_planes_on_crtc(state, crtc); else - i9xx_update_planes_on_crtc(to_intel_atomic_state(state), intel_crtc); + i9xx_update_planes_on_crtc(state, crtc); - intel_finish_crtc_commit(to_intel_atomic_state(state), intel_crtc); + intel_finish_crtc_commit(state, crtc); } -static void intel_update_crtcs(struct drm_atomic_state *state) +static void intel_update_crtcs(struct intel_atomic_state *state) { - struct drm_crtc *crtc; - struct drm_crtc_state *old_crtc_state, *new_crtc_state; + struct intel_crtc *crtc; + struct intel_crtc_state *old_crtc_state, *new_crtc_state; int i; - for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - if (!new_crtc_state->active) + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { + if (!new_crtc_state->base.active) continue; intel_update_crtc(crtc, state, old_crtc_state, @@ -13628,26 +13775,23 @@ static void intel_update_crtcs(struct drm_atomic_state *state) } } -static void skl_update_crtcs(struct drm_atomic_state *state) +static void skl_update_crtcs(struct intel_atomic_state *state) { - struct drm_i915_private *dev_priv = to_i915(state->dev); - struct intel_atomic_state *intel_state = to_intel_atomic_state(state); - struct drm_crtc *crtc; - struct intel_crtc *intel_crtc; - struct drm_crtc_state *old_crtc_state, *new_crtc_state; - struct intel_crtc_state *cstate; + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc *crtc; + struct intel_crtc_state *old_crtc_state, *new_crtc_state; unsigned int updated = 0; bool progress; enum pipe pipe; int i; u8 hw_enabled_slices = dev_priv->wm.skl_hw.ddb.enabled_slices; - u8 required_slices = intel_state->wm_results.ddb.enabled_slices; + u8 required_slices = state->wm_results.ddb.enabled_slices; struct skl_ddb_entry entries[I915_MAX_PIPES] = {}; - for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) /* ignore allocations for crtc's that have been turned off. */ - if (new_crtc_state->active) - entries[i] = to_intel_crtc_state(old_crtc_state)->wm.skl.ddb; + if (new_crtc_state->base.active) + entries[i] = old_crtc_state->wm.skl.ddb; /* If 2nd DBuf slice required, enable it here */ if (INTEL_GEN(dev_priv) >= 11 && required_slices > hw_enabled_slices) @@ -13662,24 +13806,22 @@ static void skl_update_crtcs(struct drm_atomic_state *state) do { progress = false; - for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { bool vbl_wait = false; - unsigned int cmask = drm_crtc_mask(crtc); + unsigned int cmask = drm_crtc_mask(&crtc->base); - intel_crtc = to_intel_crtc(crtc); - cstate = to_intel_crtc_state(new_crtc_state); - pipe = intel_crtc->pipe; + pipe = crtc->pipe; - if (updated & cmask || !cstate->base.active) + if (updated & cmask || !new_crtc_state->base.active) continue; - if (skl_ddb_allocation_overlaps(&cstate->wm.skl.ddb, + if (skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb, entries, INTEL_INFO(dev_priv)->num_pipes, i)) continue; updated |= cmask; - entries[i] = cstate->wm.skl.ddb; + entries[i] = new_crtc_state->wm.skl.ddb; /* * If this is an already active pipe, it's DDB changed, @@ -13687,10 +13829,10 @@ static void skl_update_crtcs(struct drm_atomic_state *state) * then we need to wait for a vblank to pass for the * new ddb allocation to take effect. */ - if (!skl_ddb_entry_equal(&cstate->wm.skl.ddb, - &to_intel_crtc_state(old_crtc_state)->wm.skl.ddb) && - !new_crtc_state->active_changed && - intel_state->wm_results.dirty_pipes != updated) + if (!skl_ddb_entry_equal(&new_crtc_state->wm.skl.ddb, + &old_crtc_state->wm.skl.ddb) && + !new_crtc_state->base.active_changed && + state->wm_results.dirty_pipes != updated) vbl_wait = true; intel_update_crtc(crtc, state, old_crtc_state, @@ -13736,18 +13878,21 @@ static void intel_atomic_commit_fence_wait(struct intel_atomic_state *intel_stat for (;;) { prepare_to_wait(&intel_state->commit_ready.wait, &wait_fence, TASK_UNINTERRUPTIBLE); - prepare_to_wait(&dev_priv->gpu_error.wait_queue, + prepare_to_wait(bit_waitqueue(&dev_priv->gt.reset.flags, + I915_RESET_MODESET), &wait_reset, TASK_UNINTERRUPTIBLE); - if (i915_sw_fence_done(&intel_state->commit_ready) - || test_bit(I915_RESET_MODESET, &dev_priv->gpu_error.flags)) + if (i915_sw_fence_done(&intel_state->commit_ready) || + test_bit(I915_RESET_MODESET, &dev_priv->gt.reset.flags)) break; schedule(); } finish_wait(&intel_state->commit_ready.wait, &wait_fence); - finish_wait(&dev_priv->gpu_error.wait_queue, &wait_reset); + finish_wait(bit_waitqueue(&dev_priv->gt.reset.flags, + I915_RESET_MODESET), + &wait_reset); } static void intel_atomic_cleanup_work(struct work_struct *work) @@ -13763,57 +13908,49 @@ static void intel_atomic_cleanup_work(struct work_struct *work) intel_atomic_helper_free_state(i915); } -static void intel_atomic_commit_tail(struct drm_atomic_state *state) +static void intel_atomic_commit_tail(struct intel_atomic_state *state) { - struct drm_device *dev = state->dev; - struct intel_atomic_state *intel_state = to_intel_atomic_state(state); + struct drm_device *dev = state->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - struct drm_crtc_state *old_crtc_state, *new_crtc_state; - struct intel_crtc_state *new_intel_crtc_state, *old_intel_crtc_state; - struct drm_crtc *crtc; - struct intel_crtc *intel_crtc; + struct intel_crtc_state *new_crtc_state, *old_crtc_state; + struct intel_crtc *crtc; u64 put_domains[I915_MAX_PIPES] = {}; intel_wakeref_t wakeref = 0; int i; - intel_atomic_commit_fence_wait(intel_state); + intel_atomic_commit_fence_wait(state); - drm_atomic_helper_wait_for_dependencies(state); + drm_atomic_helper_wait_for_dependencies(&state->base); - if (intel_state->modeset) + if (state->modeset) wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET); - for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - old_intel_crtc_state = to_intel_crtc_state(old_crtc_state); - new_intel_crtc_state = to_intel_crtc_state(new_crtc_state); - intel_crtc = to_intel_crtc(crtc); - + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { if (needs_modeset(new_crtc_state) || - to_intel_crtc_state(new_crtc_state)->update_pipe) { + new_crtc_state->update_pipe) { - put_domains[intel_crtc->pipe] = - modeset_get_crtc_power_domains(crtc, - new_intel_crtc_state); + put_domains[crtc->pipe] = + modeset_get_crtc_power_domains(new_crtc_state); } if (!needs_modeset(new_crtc_state)) continue; - intel_pre_plane_update(old_intel_crtc_state, new_intel_crtc_state); + intel_pre_plane_update(old_crtc_state, new_crtc_state); - if (old_crtc_state->active) { - intel_crtc_disable_planes(intel_state, intel_crtc); + if (old_crtc_state->base.active) { + intel_crtc_disable_planes(state, crtc); /* * We need to disable pipe CRC before disabling the pipe, * or we race against vblank off. */ - intel_crtc_disable_pipe_crc(intel_crtc); + intel_crtc_disable_pipe_crc(crtc); - dev_priv->display.crtc_disable(old_intel_crtc_state, state); - intel_crtc->active = false; - intel_fbc_disable(intel_crtc); - intel_disable_shared_dpll(old_intel_crtc_state); + dev_priv->display.crtc_disable(old_crtc_state, state); + crtc->active = false; + intel_fbc_disable(crtc); + intel_disable_shared_dpll(old_crtc_state); /* * Underruns don't always raise @@ -13823,25 +13960,25 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) intel_check_pch_fifo_underruns(dev_priv); /* FIXME unify this for all platforms */ - if (!new_crtc_state->active && + if (!new_crtc_state->base.active && !HAS_GMCH(dev_priv) && dev_priv->display.initial_watermarks) - dev_priv->display.initial_watermarks(intel_state, - new_intel_crtc_state); + dev_priv->display.initial_watermarks(state, + new_crtc_state); } } - /* FIXME: Eventually get rid of our intel_crtc->config pointer */ - for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) - to_intel_crtc(crtc)->config = to_intel_crtc_state(new_crtc_state); + /* FIXME: Eventually get rid of our crtc->config pointer */ + for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) + crtc->config = new_crtc_state; - if (intel_state->modeset) { - drm_atomic_helper_update_legacy_modeset_state(state->dev, state); + if (state->modeset) { + drm_atomic_helper_update_legacy_modeset_state(dev, &state->base); intel_set_cdclk_pre_plane_update(dev_priv, - &intel_state->cdclk.actual, + &state->cdclk.actual, &dev_priv->cdclk.actual, - intel_state->cdclk.pipe); + state->cdclk.pipe); /* * SKL workaround: bspec recommends we disable the SAGV when we @@ -13850,31 +13987,37 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) if (!intel_can_enable_sagv(state)) intel_disable_sagv(dev_priv); - intel_modeset_verify_disabled(dev, state); + intel_modeset_verify_disabled(dev_priv, state); } /* Complete the events for pipes that have now been disabled */ - for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { + for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { bool modeset = needs_modeset(new_crtc_state); /* Complete events for now disable pipes here. */ - if (modeset && !new_crtc_state->active && new_crtc_state->event) { + if (modeset && !new_crtc_state->base.active && new_crtc_state->base.event) { spin_lock_irq(&dev->event_lock); - drm_crtc_send_vblank_event(crtc, new_crtc_state->event); + drm_crtc_send_vblank_event(&crtc->base, new_crtc_state->base.event); spin_unlock_irq(&dev->event_lock); - new_crtc_state->event = NULL; + new_crtc_state->base.event = NULL; } } + if (state->modeset) + intel_encoders_update_prepare(state); + /* Now enable the clocks, plane, pipe, and connectors that we set up. */ dev_priv->display.update_crtcs(state); - if (intel_state->modeset) + if (state->modeset) { + intel_encoders_update_complete(state); + intel_set_cdclk_post_plane_update(dev_priv, - &intel_state->cdclk.actual, + &state->cdclk.actual, &dev_priv->cdclk.actual, - intel_state->cdclk.pipe); + state->cdclk.pipe); + } /* FIXME: We should call drm_atomic_helper_commit_hw_done() here * already, but still need the state for the delayed optimization. To @@ -13885,16 +14028,14 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) * - switch over to the vblank wait helper in the core after that since * we don't need out special handling any more. */ - drm_atomic_helper_wait_for_flip_done(dev, state); + drm_atomic_helper_wait_for_flip_done(dev, &state->base); - for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { - new_intel_crtc_state = to_intel_crtc_state(new_crtc_state); - - if (new_crtc_state->active && + for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { + if (new_crtc_state->base.active && !needs_modeset(new_crtc_state) && - (new_intel_crtc_state->base.color_mgmt_changed || - new_intel_crtc_state->update_pipe)) - intel_color_load_luts(new_intel_crtc_state); + (new_crtc_state->base.color_mgmt_changed || + new_crtc_state->update_pipe)) + intel_color_load_luts(new_crtc_state); } /* @@ -13904,16 +14045,14 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) * * TODO: Move this (and other cleanup) to an async worker eventually. */ - for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { - new_intel_crtc_state = to_intel_crtc_state(new_crtc_state); - + for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { if (dev_priv->display.optimize_watermarks) - dev_priv->display.optimize_watermarks(intel_state, - new_intel_crtc_state); + dev_priv->display.optimize_watermarks(state, + new_crtc_state); } - for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - intel_post_plane_update(to_intel_crtc_state(old_crtc_state)); + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { + intel_post_plane_update(old_crtc_state); if (put_domains[i]) modeset_put_power_domains(dev_priv, put_domains[i]); @@ -13921,15 +14060,15 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) intel_modeset_verify_crtc(crtc, state, old_crtc_state, new_crtc_state); } - if (intel_state->modeset) - intel_verify_planes(intel_state); + if (state->modeset) + intel_verify_planes(state); - if (intel_state->modeset && intel_can_enable_sagv(state)) + if (state->modeset && intel_can_enable_sagv(state)) intel_enable_sagv(dev_priv); - drm_atomic_helper_commit_hw_done(state); + drm_atomic_helper_commit_hw_done(&state->base); - if (intel_state->modeset) { + if (state->modeset) { /* As one of the primary mmio accessors, KMS has a high * likelihood of triggering bugs in unclaimed access. After we * finish modesetting, see if an error has been flagged, and if @@ -13939,7 +14078,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) intel_uncore_arm_unclaimed_mmio_detection(&dev_priv->uncore); intel_display_power_put(dev_priv, POWER_DOMAIN_MODESET, wakeref); } - intel_runtime_pm_put(&dev_priv->runtime_pm, intel_state->wakeref); + intel_runtime_pm_put(&dev_priv->runtime_pm, state->wakeref); /* * Defer the cleanup of the old state to a separate worker to not @@ -13949,14 +14088,14 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) * schedule point (cond_resched()) here anyway to keep latencies * down. */ - INIT_WORK(&state->commit_work, intel_atomic_cleanup_work); - queue_work(system_highpri_wq, &state->commit_work); + INIT_WORK(&state->base.commit_work, intel_atomic_cleanup_work); + queue_work(system_highpri_wq, &state->base.commit_work); } static void intel_atomic_commit_work(struct work_struct *work) { - struct drm_atomic_state *state = - container_of(work, struct drm_atomic_state, commit_work); + struct intel_atomic_state *state = + container_of(work, struct intel_atomic_state, base.commit_work); intel_atomic_commit_tail(state); } @@ -13986,42 +14125,31 @@ intel_atomic_commit_ready(struct i915_sw_fence *fence, return NOTIFY_DONE; } -static void intel_atomic_track_fbs(struct drm_atomic_state *state) +static void intel_atomic_track_fbs(struct intel_atomic_state *state) { - struct drm_plane_state *old_plane_state, *new_plane_state; - struct drm_plane *plane; + struct intel_plane_state *old_plane_state, *new_plane_state; + struct intel_plane *plane; int i; - for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) - i915_gem_track_fb(intel_fb_obj(old_plane_state->fb), - intel_fb_obj(new_plane_state->fb), - to_intel_plane(plane)->frontbuffer_bit); + for_each_oldnew_intel_plane_in_state(state, plane, old_plane_state, + new_plane_state, i) + i915_gem_track_fb(intel_fb_obj(old_plane_state->base.fb), + intel_fb_obj(new_plane_state->base.fb), + plane->frontbuffer_bit); } -/** - * intel_atomic_commit - commit validated state object - * @dev: DRM device - * @state: the top-level driver state object - * @nonblock: nonblocking commit - * - * This function commits a top-level state object that has been validated - * with drm_atomic_helper_check(). - * - * RETURNS - * Zero for success or -errno. - */ static int intel_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, + struct drm_atomic_state *_state, bool nonblock) { - struct intel_atomic_state *intel_state = to_intel_atomic_state(state); + struct intel_atomic_state *state = to_intel_atomic_state(_state); struct drm_i915_private *dev_priv = to_i915(dev); int ret = 0; - intel_state->wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); + state->wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); - drm_atomic_state_get(state); - i915_sw_fence_init(&intel_state->commit_ready, + drm_atomic_state_get(&state->base); + i915_sw_fence_init(&state->commit_ready, intel_atomic_commit_ready); /* @@ -14041,63 +14169,61 @@ static int intel_atomic_commit(struct drm_device *dev, * FIXME doing watermarks and fb cleanup from a vblank worker * (assuming we had any) would solve these problems. */ - if (INTEL_GEN(dev_priv) < 9 && state->legacy_cursor_update) { + if (INTEL_GEN(dev_priv) < 9 && state->base.legacy_cursor_update) { struct intel_crtc_state *new_crtc_state; struct intel_crtc *crtc; int i; - for_each_new_intel_crtc_in_state(intel_state, crtc, new_crtc_state, i) + for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) if (new_crtc_state->wm.need_postvbl_update || new_crtc_state->update_wm_post) - state->legacy_cursor_update = false; + state->base.legacy_cursor_update = false; } - ret = intel_atomic_prepare_commit(dev, state); + ret = intel_atomic_prepare_commit(state); if (ret) { DRM_DEBUG_ATOMIC("Preparing state failed with %i\n", ret); - i915_sw_fence_commit(&intel_state->commit_ready); - intel_runtime_pm_put(&dev_priv->runtime_pm, intel_state->wakeref); + i915_sw_fence_commit(&state->commit_ready); + intel_runtime_pm_put(&dev_priv->runtime_pm, state->wakeref); return ret; } - ret = drm_atomic_helper_setup_commit(state, nonblock); + ret = drm_atomic_helper_setup_commit(&state->base, nonblock); if (!ret) - ret = drm_atomic_helper_swap_state(state, true); + ret = drm_atomic_helper_swap_state(&state->base, true); if (ret) { - i915_sw_fence_commit(&intel_state->commit_ready); + i915_sw_fence_commit(&state->commit_ready); - drm_atomic_helper_cleanup_planes(dev, state); - intel_runtime_pm_put(&dev_priv->runtime_pm, intel_state->wakeref); + drm_atomic_helper_cleanup_planes(dev, &state->base); + intel_runtime_pm_put(&dev_priv->runtime_pm, state->wakeref); return ret; } dev_priv->wm.distrust_bios_wm = false; intel_shared_dpll_swap_state(state); intel_atomic_track_fbs(state); - if (intel_state->modeset) { - memcpy(dev_priv->min_cdclk, intel_state->min_cdclk, - sizeof(intel_state->min_cdclk)); - memcpy(dev_priv->min_voltage_level, - intel_state->min_voltage_level, - sizeof(intel_state->min_voltage_level)); - dev_priv->active_crtcs = intel_state->active_crtcs; - dev_priv->cdclk.force_min_cdclk = - intel_state->cdclk.force_min_cdclk; + if (state->modeset) { + memcpy(dev_priv->min_cdclk, state->min_cdclk, + sizeof(state->min_cdclk)); + memcpy(dev_priv->min_voltage_level, state->min_voltage_level, + sizeof(state->min_voltage_level)); + dev_priv->active_crtcs = state->active_crtcs; + dev_priv->cdclk.force_min_cdclk = state->cdclk.force_min_cdclk; - intel_cdclk_swap_state(intel_state); + intel_cdclk_swap_state(state); } - drm_atomic_state_get(state); - INIT_WORK(&state->commit_work, intel_atomic_commit_work); + drm_atomic_state_get(&state->base); + INIT_WORK(&state->base.commit_work, intel_atomic_commit_work); - i915_sw_fence_commit(&intel_state->commit_ready); - if (nonblock && intel_state->modeset) { - queue_work(dev_priv->modeset_wq, &state->commit_work); + i915_sw_fence_commit(&state->commit_ready); + if (nonblock && state->modeset) { + queue_work(dev_priv->modeset_wq, &state->base.commit_work); } else if (nonblock) { - queue_work(system_unbound_wq, &state->commit_work); + queue_work(system_unbound_wq, &state->base.commit_work); } else { - if (intel_state->modeset) + if (state->modeset) flush_workqueue(dev_priv->modeset_wq); intel_atomic_commit_tail(state); } @@ -14105,18 +14231,6 @@ static int intel_atomic_commit(struct drm_device *dev, return 0; } -static const struct drm_crtc_funcs intel_crtc_funcs = { - .gamma_set = drm_atomic_helper_legacy_gamma_set, - .set_config = drm_atomic_helper_set_config, - .destroy = intel_crtc_destroy, - .page_flip = drm_atomic_helper_page_flip, - .atomic_duplicate_state = intel_crtc_duplicate_state, - .atomic_destroy_state = intel_crtc_destroy_state, - .set_crc_source = intel_crtc_set_crc_source, - .verify_crc_source = intel_crtc_verify_crc_source, - .get_crc_sources = intel_crtc_get_crc_sources, -}; - struct wait_rps_boost { struct wait_queue_entry wait; @@ -14250,9 +14364,9 @@ intel_prepare_plane_fb(struct drm_plane *plane, int ret; if (old_obj) { - struct drm_crtc_state *crtc_state = - drm_atomic_get_new_crtc_state(new_state->state, - plane->state->crtc); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(intel_state, + to_intel_crtc(plane->state->crtc)); /* Big Hammer, we also need to ensure that any pending * MI_WAIT_FOR_EVENT inside a user batch buffer on the @@ -14413,7 +14527,7 @@ static void intel_begin_crtc_commit(struct intel_atomic_state *state, intel_atomic_get_old_crtc_state(state, crtc); struct intel_crtc_state *new_crtc_state = intel_atomic_get_new_crtc_state(state, crtc); - bool modeset = needs_modeset(&new_crtc_state->base); + bool modeset = needs_modeset(new_crtc_state); /* Perform vblank evasion around commit operation */ intel_pipe_update_start(new_crtc_state); @@ -14466,7 +14580,7 @@ static void intel_finish_crtc_commit(struct intel_atomic_state *state, intel_pipe_update_end(new_crtc_state); if (new_crtc_state->update_pipe && - !needs_modeset(&new_crtc_state->base) && + !needs_modeset(new_crtc_state) && old_crtc_state->base.mode.private_flags & I915_MODE_FLAG_INHERITED) intel_crtc_arm_fifo_underrun(crtc, new_crtc_state); } @@ -14580,7 +14694,7 @@ intel_legacy_cursor_update(struct drm_plane *plane, * When crtc is inactive or there is a modeset pending, * wait for it to complete in the slowpath */ - if (!crtc_state->base.active || needs_modeset(&crtc_state->base) || + if (!crtc_state->base.active || needs_modeset(crtc_state) || crtc_state->update_pipe) goto slow; @@ -14910,8 +15024,76 @@ static void intel_crtc_init_scalers(struct intel_crtc *crtc, scaler_state->scaler_id = -1; } +#define INTEL_CRTC_FUNCS \ + .gamma_set = drm_atomic_helper_legacy_gamma_set, \ + .set_config = drm_atomic_helper_set_config, \ + .destroy = intel_crtc_destroy, \ + .page_flip = drm_atomic_helper_page_flip, \ + .atomic_duplicate_state = intel_crtc_duplicate_state, \ + .atomic_destroy_state = intel_crtc_destroy_state, \ + .set_crc_source = intel_crtc_set_crc_source, \ + .verify_crc_source = intel_crtc_verify_crc_source, \ + .get_crc_sources = intel_crtc_get_crc_sources + +static const struct drm_crtc_funcs bdw_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = g4x_get_vblank_counter, + .enable_vblank = bdw_enable_vblank, + .disable_vblank = bdw_disable_vblank, +}; + +static const struct drm_crtc_funcs ilk_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = g4x_get_vblank_counter, + .enable_vblank = ilk_enable_vblank, + .disable_vblank = ilk_disable_vblank, +}; + +static const struct drm_crtc_funcs g4x_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = g4x_get_vblank_counter, + .enable_vblank = i965_enable_vblank, + .disable_vblank = i965_disable_vblank, +}; + +static const struct drm_crtc_funcs i965_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = i915_get_vblank_counter, + .enable_vblank = i965_enable_vblank, + .disable_vblank = i965_disable_vblank, +}; + +static const struct drm_crtc_funcs i945gm_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = i915_get_vblank_counter, + .enable_vblank = i945gm_enable_vblank, + .disable_vblank = i945gm_disable_vblank, +}; + +static const struct drm_crtc_funcs i915_crtc_funcs = { + INTEL_CRTC_FUNCS, + + .get_vblank_counter = i915_get_vblank_counter, + .enable_vblank = i8xx_enable_vblank, + .disable_vblank = i8xx_disable_vblank, +}; + +static const struct drm_crtc_funcs i8xx_crtc_funcs = { + INTEL_CRTC_FUNCS, + + /* no hw vblank counter */ + .enable_vblank = i8xx_enable_vblank, + .disable_vblank = i8xx_disable_vblank, +}; + static int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) { + const struct drm_crtc_funcs *funcs; struct intel_crtc *intel_crtc; struct intel_crtc_state *crtc_state = NULL; struct intel_plane *primary = NULL; @@ -14955,10 +15137,28 @@ static int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) } intel_crtc->plane_ids_mask |= BIT(cursor->id); + if (HAS_GMCH(dev_priv)) { + if (IS_CHERRYVIEW(dev_priv) || + IS_VALLEYVIEW(dev_priv) || IS_G4X(dev_priv)) + funcs = &g4x_crtc_funcs; + else if (IS_GEN(dev_priv, 4)) + funcs = &i965_crtc_funcs; + else if (IS_I945GM(dev_priv)) + funcs = &i945gm_crtc_funcs; + else if (IS_GEN(dev_priv, 3)) + funcs = &i915_crtc_funcs; + else + funcs = &i8xx_crtc_funcs; + } else { + if (INTEL_GEN(dev_priv) >= 8) + funcs = &bdw_crtc_funcs; + else + funcs = &ilk_crtc_funcs; + } + ret = drm_crtc_init_with_planes(&dev_priv->drm, &intel_crtc->base, &primary->base, &cursor->base, - &intel_crtc_funcs, - "pipe %c", pipe_name(pipe)); + funcs, "pipe %c", pipe_name(pipe)); if (ret) goto fail; @@ -15114,12 +15314,18 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv) if (!HAS_DISPLAY(dev_priv)) return; - if (IS_ELKHARTLAKE(dev_priv)) { + if (INTEL_GEN(dev_priv) >= 12) { + /* TODO: initialize TC ports as well */ + intel_ddi_init(dev_priv, PORT_A); + intel_ddi_init(dev_priv, PORT_B); + intel_ddi_init(dev_priv, PORT_C); + } else if (IS_ELKHARTLAKE(dev_priv)) { intel_ddi_init(dev_priv, PORT_A); intel_ddi_init(dev_priv, PORT_B); intel_ddi_init(dev_priv, PORT_C); + intel_ddi_init(dev_priv, PORT_D); icl_dsi_init(dev_priv); - } else if (INTEL_GEN(dev_priv) >= 11) { + } else if (IS_GEN(dev_priv, 11)) { intel_ddi_init(dev_priv, PORT_A); intel_ddi_init(dev_priv, PORT_B); intel_ddi_init(dev_priv, PORT_C); @@ -15775,8 +15981,8 @@ static void sanitize_watermarks(struct drm_device *dev) struct drm_i915_private *dev_priv = to_i915(dev); struct drm_atomic_state *state; struct intel_atomic_state *intel_state; - struct drm_crtc *crtc; - struct drm_crtc_state *cstate; + struct intel_crtc *crtc; + struct intel_crtc_state *crtc_state; struct drm_modeset_acquire_ctx ctx; int ret; int i; @@ -15831,13 +16037,11 @@ retry: } /* Write calculated watermark values back */ - for_each_new_crtc_in_state(state, crtc, cstate, i) { - struct intel_crtc_state *cs = to_intel_crtc_state(cstate); - - cs->wm.need_postvbl_update = true; - dev_priv->display.optimize_watermarks(intel_state, cs); + for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) { + crtc_state->wm.need_postvbl_update = true; + dev_priv->display.optimize_watermarks(intel_state, crtc_state); - to_intel_crtc_state(crtc->state)->wm = cs->wm; + to_intel_crtc_state(crtc->base.state)->wm = crtc_state->wm; } put_state: @@ -16495,6 +16699,13 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) pll->on = pll->info->funcs->get_hw_state(dev_priv, pll, &pll->state.hw_state); + + if (IS_ELKHARTLAKE(dev_priv) && pll->on && + pll->info->id == DPLL_ID_EHL_DPLL4) { + pll->wakeref = intel_display_power_get(dev_priv, + POWER_DOMAIN_DPLL_DC_OFF); + } + pll->state.crtc_mask = 0; for_each_intel_crtc(dev, crtc) { struct intel_crtc_state *crtc_state = @@ -16744,6 +16955,17 @@ intel_modeset_setup_hw_state(struct drm_device *dev, intel_modeset_readout_hw_state(dev); /* HW state is read out, now we need to sanitize this mess. */ + + /* Sanitize the TypeC port mode upfront, encoders depend on this */ + for_each_intel_encoder(dev, encoder) { + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + + /* We need to sanitize only the MST primary port. */ + if (encoder->type != INTEL_OUTPUT_DP_MST && + intel_phy_is_tc(dev_priv, phy)) + intel_tc_port_sanitize(enc_to_dig_port(&encoder->base)); + } + get_encoder_power_domains(dev_priv); if (HAS_PCH_IBX(dev_priv)) @@ -16804,7 +17026,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev, u64 put_domains; crtc_state = to_intel_crtc_state(crtc->base.state); - put_domains = modeset_get_crtc_power_domains(&crtc->base, crtc_state); + put_domains = modeset_get_crtc_power_domains(crtc_state); if (WARN_ON(put_domains)) modeset_put_power_domains(dev_priv, put_domains); } @@ -16866,7 +17088,7 @@ static void intel_hpd_poll_fini(struct drm_device *dev) drm_connector_list_iter_end(&conn_iter); } -void intel_modeset_cleanup(struct drm_device *dev) +void intel_modeset_driver_remove(struct drm_device *dev) { struct drm_i915_private *dev_priv = to_i915(dev); @@ -16982,7 +17204,7 @@ struct intel_display_error_state { u32 vtotal; u32 vblank; u32 vsync; - } transcoder[4]; + } transcoder[5]; }; struct intel_display_error_state * @@ -16993,6 +17215,7 @@ intel_display_capture_error_state(struct drm_i915_private *dev_priv) TRANSCODER_A, TRANSCODER_B, TRANSCODER_C, + TRANSCODER_D, TRANSCODER_EDP, }; int i; diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index ee6b8194a459..d2c718f25478 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -45,6 +45,8 @@ enum i915_gpio { GPIOK, GPIOL, GPIOM, + GPION, + GPIOO, }; /* @@ -58,6 +60,7 @@ enum pipe { PIPE_A = 0, PIPE_B, PIPE_C, + PIPE_D, _PIPE_EDP, I915_MAX_PIPES = _PIPE_EDP @@ -75,6 +78,7 @@ enum transcoder { TRANSCODER_A = PIPE_A, TRANSCODER_B = PIPE_B, TRANSCODER_C = PIPE_C, + TRANSCODER_D = PIPE_D, /* * The following transcoders can map to any pipe, their enum value @@ -98,6 +102,8 @@ static inline const char *transcoder_name(enum transcoder transcoder) return "B"; case TRANSCODER_C: return "C"; + case TRANSCODER_D: + return "D"; case TRANSCODER_EDP: return "EDP"; case TRANSCODER_DSI_A: @@ -173,6 +179,12 @@ static inline const char *port_identifier(enum port port) return "Port E"; case PORT_F: return "Port F"; + case PORT_G: + return "Port G"; + case PORT_H: + return "Port H"; + case PORT_I: + return "Port I"; default: return "<invalid>"; } @@ -185,14 +197,15 @@ enum tc_port { PORT_TC2, PORT_TC3, PORT_TC4, + PORT_TC5, + PORT_TC6, I915_MAX_TC_PORTS }; -enum tc_port_type { - TC_PORT_UNKNOWN = 0, - TC_PORT_TYPEC, - TC_PORT_TBT, +enum tc_port_mode { + TC_PORT_TBT_ALT, + TC_PORT_DP_ALT, TC_PORT_LEGACY, }; @@ -229,6 +242,30 @@ struct intel_link_m_n { u32 link_n; }; +enum phy { + PHY_NONE = -1, + + PHY_A = 0, + PHY_B, + PHY_C, + PHY_D, + PHY_E, + PHY_F, + PHY_G, + PHY_H, + PHY_I, + + I915_MAX_PHYS +}; + +#define phy_name(a) ((a) + 'A') + +enum phy_fia { + FIA1, + FIA2, + FIA3, +}; + #define for_each_pipe(__dev_priv, __p) \ for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) @@ -254,6 +291,10 @@ struct intel_link_m_n { for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) \ for_each_if((__ports_mask) & BIT(__port)) +#define for_each_phy_masked(__phy, __phys_mask) \ + for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++) \ + for_each_if((__phys_mask) & BIT(__phy)) + #define for_each_crtc(dev, crtc) \ list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) @@ -357,5 +398,6 @@ void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv); u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, u32 pixel_format, u64 modifier); bool intel_plane_can_remap(const struct intel_plane_state *plane_state); +enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port); #endif diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 2d1939db108f..dd2a50b8ba0a 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -17,13 +17,17 @@ #include "intel_drv.h" #include "intel_hotplug.h" #include "intel_sideband.h" +#include "intel_tc.h" bool intel_display_power_well_is_enabled(struct drm_i915_private *dev_priv, enum i915_power_well_id power_well_id); const char * -intel_display_power_domain_str(enum intel_display_power_domain domain) +intel_display_power_domain_str(struct drm_i915_private *i915, + enum intel_display_power_domain domain) { + bool ddi_tc_ports = IS_GEN(i915, 12); + switch (domain) { case POWER_DOMAIN_DISPLAY_CORE: return "DISPLAY_CORE"; @@ -33,22 +37,28 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "PIPE_B"; case POWER_DOMAIN_PIPE_C: return "PIPE_C"; + case POWER_DOMAIN_PIPE_D: + return "PIPE_D"; case POWER_DOMAIN_PIPE_A_PANEL_FITTER: return "PIPE_A_PANEL_FITTER"; case POWER_DOMAIN_PIPE_B_PANEL_FITTER: return "PIPE_B_PANEL_FITTER"; case POWER_DOMAIN_PIPE_C_PANEL_FITTER: return "PIPE_C_PANEL_FITTER"; + case POWER_DOMAIN_PIPE_D_PANEL_FITTER: + return "PIPE_D_PANEL_FITTER"; case POWER_DOMAIN_TRANSCODER_A: return "TRANSCODER_A"; case POWER_DOMAIN_TRANSCODER_B: return "TRANSCODER_B"; case POWER_DOMAIN_TRANSCODER_C: return "TRANSCODER_C"; + case POWER_DOMAIN_TRANSCODER_D: + return "TRANSCODER_D"; case POWER_DOMAIN_TRANSCODER_EDP: return "TRANSCODER_EDP"; - case POWER_DOMAIN_TRANSCODER_EDP_VDSC: - return "TRANSCODER_EDP_VDSC"; + case POWER_DOMAIN_TRANSCODER_VDSC_PW2: + return "TRANSCODER_VDSC_PW2"; case POWER_DOMAIN_TRANSCODER_DSI_A: return "TRANSCODER_DSI_A"; case POWER_DOMAIN_TRANSCODER_DSI_C: @@ -60,11 +70,23 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) case POWER_DOMAIN_PORT_DDI_C_LANES: return "PORT_DDI_C_LANES"; case POWER_DOMAIN_PORT_DDI_D_LANES: - return "PORT_DDI_D_LANES"; + BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_D_LANES != + POWER_DOMAIN_PORT_DDI_TC1_LANES); + return ddi_tc_ports ? "PORT_DDI_TC1_LANES" : "PORT_DDI_D_LANES"; case POWER_DOMAIN_PORT_DDI_E_LANES: - return "PORT_DDI_E_LANES"; + BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_E_LANES != + POWER_DOMAIN_PORT_DDI_TC2_LANES); + return ddi_tc_ports ? "PORT_DDI_TC2_LANES" : "PORT_DDI_E_LANES"; case POWER_DOMAIN_PORT_DDI_F_LANES: - return "PORT_DDI_F_LANES"; + BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_F_LANES != + POWER_DOMAIN_PORT_DDI_TC3_LANES); + return ddi_tc_ports ? "PORT_DDI_TC3_LANES" : "PORT_DDI_F_LANES"; + case POWER_DOMAIN_PORT_DDI_TC4_LANES: + return "PORT_DDI_TC4_LANES"; + case POWER_DOMAIN_PORT_DDI_TC5_LANES: + return "PORT_DDI_TC5_LANES"; + case POWER_DOMAIN_PORT_DDI_TC6_LANES: + return "PORT_DDI_TC6_LANES"; case POWER_DOMAIN_PORT_DDI_A_IO: return "PORT_DDI_A_IO"; case POWER_DOMAIN_PORT_DDI_B_IO: @@ -72,11 +94,23 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) case POWER_DOMAIN_PORT_DDI_C_IO: return "PORT_DDI_C_IO"; case POWER_DOMAIN_PORT_DDI_D_IO: - return "PORT_DDI_D_IO"; + BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_D_IO != + POWER_DOMAIN_PORT_DDI_TC1_IO); + return ddi_tc_ports ? "PORT_DDI_TC1_IO" : "PORT_DDI_D_IO"; case POWER_DOMAIN_PORT_DDI_E_IO: - return "PORT_DDI_E_IO"; + BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_E_IO != + POWER_DOMAIN_PORT_DDI_TC2_IO); + return ddi_tc_ports ? "PORT_DDI_TC2_IO" : "PORT_DDI_E_IO"; case POWER_DOMAIN_PORT_DDI_F_IO: - return "PORT_DDI_F_IO"; + BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_F_IO != + POWER_DOMAIN_PORT_DDI_TC3_IO); + return ddi_tc_ports ? "PORT_DDI_TC3_IO" : "PORT_DDI_F_IO"; + case POWER_DOMAIN_PORT_DDI_TC4_IO: + return "PORT_DDI_TC4_IO"; + case POWER_DOMAIN_PORT_DDI_TC5_IO: + return "PORT_DDI_TC5_IO"; + case POWER_DOMAIN_PORT_DDI_TC6_IO: + return "PORT_DDI_TC6_IO"; case POWER_DOMAIN_PORT_DSI: return "PORT_DSI"; case POWER_DOMAIN_PORT_CRT: @@ -94,11 +128,20 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) case POWER_DOMAIN_AUX_C: return "AUX_C"; case POWER_DOMAIN_AUX_D: - return "AUX_D"; + BUILD_BUG_ON(POWER_DOMAIN_AUX_D != POWER_DOMAIN_AUX_TC1); + return ddi_tc_ports ? "AUX_TC1" : "AUX_D"; case POWER_DOMAIN_AUX_E: - return "AUX_E"; + BUILD_BUG_ON(POWER_DOMAIN_AUX_E != POWER_DOMAIN_AUX_TC2); + return ddi_tc_ports ? "AUX_TC2" : "AUX_E"; case POWER_DOMAIN_AUX_F: - return "AUX_F"; + BUILD_BUG_ON(POWER_DOMAIN_AUX_F != POWER_DOMAIN_AUX_TC3); + return ddi_tc_ports ? "AUX_TC3" : "AUX_F"; + case POWER_DOMAIN_AUX_TC4: + return "AUX_TC4"; + case POWER_DOMAIN_AUX_TC5: + return "AUX_TC5"; + case POWER_DOMAIN_AUX_TC6: + return "AUX_TC6"; case POWER_DOMAIN_AUX_IO_A: return "AUX_IO_A"; case POWER_DOMAIN_AUX_TBT1: @@ -109,6 +152,10 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "AUX_TBT3"; case POWER_DOMAIN_AUX_TBT4: return "AUX_TBT4"; + case POWER_DOMAIN_AUX_TBT5: + return "AUX_TBT5"; + case POWER_DOMAIN_AUX_TBT6: + return "AUX_TBT6"; case POWER_DOMAIN_GMBUS: return "GMBUS"; case POWER_DOMAIN_INIT: @@ -117,6 +164,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "MODESET"; case POWER_DOMAIN_GT_IRQ: return "GT_IRQ"; + case POWER_DOMAIN_DPLL_DC_OFF: + return "DPLL_DC_OFF"; default: MISSING_CASE(domain); return "?"; @@ -269,11 +318,17 @@ static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv, int pw_idx = power_well->desc->hsw.idx; /* Timeout for PW1:10 us, AUX:not specified, other PWs:20 us. */ - WARN_ON(intel_wait_for_register(&dev_priv->uncore, - regs->driver, - HSW_PWR_WELL_CTL_STATE(pw_idx), - HSW_PWR_WELL_CTL_STATE(pw_idx), - 1)); + if (intel_wait_for_register(&dev_priv->uncore, + regs->driver, + HSW_PWR_WELL_CTL_STATE(pw_idx), + HSW_PWR_WELL_CTL_STATE(pw_idx), + 1)) { + DRM_DEBUG_KMS("%s power well enable timeout\n", + power_well->desc->name); + + /* An AUX timeout is expected if the TBT DP tunnel is down. */ + WARN_ON(!power_well->desc->hsw.is_tc_tbt); + } } static u32 hsw_power_well_requesters(struct drm_i915_private *dev_priv, @@ -388,7 +443,7 @@ static void hsw_power_well_disable(struct drm_i915_private *dev_priv, hsw_wait_for_power_well_disable(dev_priv, power_well); } -#define ICL_AUX_PW_TO_PORT(pw_idx) ((pw_idx) - ICL_PW_CTL_IDX_AUX_A) +#define ICL_AUX_PW_TO_PHY(pw_idx) ((pw_idx) - ICL_PW_CTL_IDX_AUX_A) static void icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, @@ -396,21 +451,29 @@ icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, { const struct i915_power_well_regs *regs = power_well->desc->hsw.regs; int pw_idx = power_well->desc->hsw.idx; - enum port port = ICL_AUX_PW_TO_PORT(pw_idx); + enum phy phy = ICL_AUX_PW_TO_PHY(pw_idx); u32 val; + int wa_idx_max; val = I915_READ(regs->driver); I915_WRITE(regs->driver, val | HSW_PWR_WELL_CTL_REQ(pw_idx)); - val = I915_READ(ICL_PORT_CL_DW12(port)); - I915_WRITE(ICL_PORT_CL_DW12(port), val | ICL_LANE_ENABLE_AUX); + if (INTEL_GEN(dev_priv) < 12) { + val = I915_READ(ICL_PORT_CL_DW12(phy)); + I915_WRITE(ICL_PORT_CL_DW12(phy), val | ICL_LANE_ENABLE_AUX); + } hsw_wait_for_power_well_enable(dev_priv, power_well); - /* Display WA #1178: icl */ - if (IS_ICELAKE(dev_priv) && - pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= ICL_PW_CTL_IDX_AUX_B && - !intel_bios_is_port_edp(dev_priv, port)) { + /* Display WA #1178: icl, tgl */ + if (IS_TIGERLAKE(dev_priv)) + wa_idx_max = ICL_PW_CTL_IDX_AUX_C; + else + wa_idx_max = ICL_PW_CTL_IDX_AUX_B; + + if (!IS_ELKHARTLAKE(dev_priv) && + pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= wa_idx_max && + !intel_bios_is_port_edp(dev_priv, (enum port)phy)) { val = I915_READ(ICL_AUX_ANAOVRD1(pw_idx)); val |= ICL_AUX_ANAOVRD1_ENABLE | ICL_AUX_ANAOVRD1_LDO_BYPASS; I915_WRITE(ICL_AUX_ANAOVRD1(pw_idx), val); @@ -423,11 +486,13 @@ icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv, { const struct i915_power_well_regs *regs = power_well->desc->hsw.regs; int pw_idx = power_well->desc->hsw.idx; - enum port port = ICL_AUX_PW_TO_PORT(pw_idx); + enum phy phy = ICL_AUX_PW_TO_PHY(pw_idx); u32 val; - val = I915_READ(ICL_PORT_CL_DW12(port)); - I915_WRITE(ICL_PORT_CL_DW12(port), val & ~ICL_LANE_ENABLE_AUX); + if (INTEL_GEN(dev_priv) < 12) { + val = I915_READ(ICL_PORT_CL_DW12(phy)); + I915_WRITE(ICL_PORT_CL_DW12(phy), val & ~ICL_LANE_ENABLE_AUX); + } val = I915_READ(regs->driver); I915_WRITE(regs->driver, val & ~HSW_PWR_WELL_CTL_REQ(pw_idx)); @@ -441,26 +506,108 @@ icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv, #define ICL_TBT_AUX_PW_TO_CH(pw_idx) \ ((pw_idx) - ICL_PW_CTL_IDX_AUX_TBT1 + AUX_CH_C) +static enum aux_ch icl_tc_phy_aux_ch(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + int pw_idx = power_well->desc->hsw.idx; + + return power_well->desc->hsw.is_tc_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) : + ICL_AUX_PW_TO_CH(pw_idx); +} + +#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM) + +static u64 async_put_domains_mask(struct i915_power_domains *power_domains); + +static int power_well_async_ref_count(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + int refs = hweight64(power_well->desc->domains & + async_put_domains_mask(&dev_priv->power_domains)); + + WARN_ON(refs > power_well->count); + + return refs; +} + +static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + enum aux_ch aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well); + struct intel_digital_port *dig_port = NULL; + struct intel_encoder *encoder; + + /* Bypass the check if all references are released asynchronously */ + if (power_well_async_ref_count(dev_priv, power_well) == + power_well->count) + return; + + aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well); + + for_each_intel_encoder(&dev_priv->drm, encoder) { + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + + if (!intel_phy_is_tc(dev_priv, phy)) + continue; + + /* We'll check the MST primary port */ + if (encoder->type == INTEL_OUTPUT_DP_MST) + continue; + + dig_port = enc_to_dig_port(&encoder->base); + if (WARN_ON(!dig_port)) + continue; + + if (dig_port->aux_ch != aux_ch) { + dig_port = NULL; + continue; + } + + break; + } + + if (WARN_ON(!dig_port)) + return; + + WARN_ON(!intel_tc_port_ref_held(dig_port)); +} + +#else + +static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ +} + +#endif + static void icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, struct i915_power_well *power_well) { - int pw_idx = power_well->desc->hsw.idx; - bool is_tbt = power_well->desc->hsw.is_tc_tbt; - enum aux_ch aux_ch; + enum aux_ch aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well); u32 val; - aux_ch = is_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) : - ICL_AUX_PW_TO_CH(pw_idx); + icl_tc_port_assert_ref_held(dev_priv, power_well); + val = I915_READ(DP_AUX_CH_CTL(aux_ch)); val &= ~DP_AUX_CH_CTL_TBT_IO; - if (is_tbt) + if (power_well->desc->hsw.is_tc_tbt) val |= DP_AUX_CH_CTL_TBT_IO; I915_WRITE(DP_AUX_CH_CTL(aux_ch), val); hsw_power_well_enable(dev_priv, power_well); } +static void +icl_tc_phy_aux_power_well_disable(struct drm_i915_private *dev_priv, + struct i915_power_well *power_well) +{ + icl_tc_port_assert_ref_held(dev_priv, power_well); + + hsw_power_well_disable(dev_priv, power_well); +} + /* * We should only use the power well if we explicitly asked the hardware to * enable it, so check if it's enabled and also check if we've requested it to @@ -1071,7 +1218,7 @@ static void vlv_display_power_well_deinit(struct drm_i915_private *dev_priv) spin_unlock_irq(&dev_priv->irq_lock); /* make sure we're done processing display irqs */ - synchronize_irq(dev_priv->drm.irq); + intel_synchronize_irq(dev_priv); intel_power_sequencer_reset(dev_priv); @@ -1575,12 +1722,15 @@ __async_put_domains_state_ok(struct i915_power_domains *power_domains) static void print_power_domains(struct i915_power_domains *power_domains, const char *prefix, u64 mask) { + struct drm_i915_private *i915 = + container_of(power_domains, struct drm_i915_private, + power_domains); enum intel_display_power_domain domain; DRM_DEBUG_DRIVER("%s (%lu):\n", prefix, hweight64(mask)); for_each_power_domain(domain, mask) DRM_DEBUG_DRIVER("%s use_count %d\n", - intel_display_power_domain_str(domain), + intel_display_power_domain_str(i915, domain), power_domains->domain_use_count[domain]); } @@ -1750,7 +1900,7 @@ __intel_display_power_put_domain(struct drm_i915_private *dev_priv, { struct i915_power_domains *power_domains; struct i915_power_well *power_well; - const char *name = intel_display_power_domain_str(domain); + const char *name = intel_display_power_domain_str(dev_priv, domain); power_domains = &dev_priv->power_domains; @@ -2359,7 +2509,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, */ #define ICL_PW_2_POWER_DOMAINS ( \ ICL_PW_3_POWER_DOMAINS | \ - BIT_ULL(POWER_DOMAIN_TRANSCODER_EDP_VDSC) | \ + BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) | \ BIT_ULL(POWER_DOMAIN_INIT)) /* * - KVMR (HW control) @@ -2368,6 +2518,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, ICL_PW_2_POWER_DOMAINS | \ BIT_ULL(POWER_DOMAIN_MODESET) | \ BIT_ULL(POWER_DOMAIN_AUX_A) | \ + BIT_ULL(POWER_DOMAIN_DPLL_DC_OFF) | \ BIT_ULL(POWER_DOMAIN_INIT)) #define ICL_DDI_IO_A_POWER_DOMAINS ( \ @@ -2405,6 +2556,93 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, #define ICL_AUX_TBT4_IO_POWER_DOMAINS ( \ BIT_ULL(POWER_DOMAIN_AUX_TBT4)) +#define TGL_PW_5_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_PIPE_D) | \ + BIT_ULL(POWER_DOMAIN_PIPE_D_PANEL_FITTER) | \ + BIT_ULL(POWER_DOMAIN_INIT)) + +#define TGL_PW_4_POWER_DOMAINS ( \ + TGL_PW_5_POWER_DOMAINS | \ + BIT_ULL(POWER_DOMAIN_PIPE_C) | \ + BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) | \ + BIT_ULL(POWER_DOMAIN_INIT)) + +#define TGL_PW_3_POWER_DOMAINS ( \ + TGL_PW_4_POWER_DOMAINS | \ + BIT_ULL(POWER_DOMAIN_PIPE_B) | \ + BIT_ULL(POWER_DOMAIN_TRANSCODER_B) | \ + BIT_ULL(POWER_DOMAIN_TRANSCODER_C) | \ + BIT_ULL(POWER_DOMAIN_TRANSCODER_D) | \ + BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC1_LANES) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC1_IO) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC2_LANES) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC2_IO) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC3_LANES) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC3_IO) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC4_LANES) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC4_IO) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC5_LANES) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC5_IO) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC6_LANES) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC6_IO) | \ + BIT_ULL(POWER_DOMAIN_AUX_TC1) | \ + BIT_ULL(POWER_DOMAIN_AUX_TC2) | \ + BIT_ULL(POWER_DOMAIN_AUX_TC3) | \ + BIT_ULL(POWER_DOMAIN_AUX_TC4) | \ + BIT_ULL(POWER_DOMAIN_AUX_TC5) | \ + BIT_ULL(POWER_DOMAIN_AUX_TC6) | \ + BIT_ULL(POWER_DOMAIN_AUX_TBT1) | \ + BIT_ULL(POWER_DOMAIN_AUX_TBT2) | \ + BIT_ULL(POWER_DOMAIN_AUX_TBT3) | \ + BIT_ULL(POWER_DOMAIN_AUX_TBT4) | \ + BIT_ULL(POWER_DOMAIN_AUX_TBT5) | \ + BIT_ULL(POWER_DOMAIN_AUX_TBT6) | \ + BIT_ULL(POWER_DOMAIN_VGA) | \ + BIT_ULL(POWER_DOMAIN_AUDIO) | \ + BIT_ULL(POWER_DOMAIN_INIT)) + +#define TGL_PW_2_POWER_DOMAINS ( \ + TGL_PW_3_POWER_DOMAINS | \ + BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) | \ + BIT_ULL(POWER_DOMAIN_INIT)) + +#define TGL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ + TGL_PW_2_POWER_DOMAINS | \ + BIT_ULL(POWER_DOMAIN_MODESET) | \ + BIT_ULL(POWER_DOMAIN_AUX_A) | \ + BIT_ULL(POWER_DOMAIN_INIT)) + +#define TGL_DDI_IO_TC1_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC1_IO)) +#define TGL_DDI_IO_TC2_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC2_IO)) +#define TGL_DDI_IO_TC3_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC3_IO)) +#define TGL_DDI_IO_TC4_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC4_IO)) +#define TGL_DDI_IO_TC5_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC5_IO)) +#define TGL_DDI_IO_TC6_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_TC6_IO)) + +#define TGL_AUX_TC1_IO_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_AUX_TC1)) +#define TGL_AUX_TC2_IO_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_AUX_TC2)) +#define TGL_AUX_TC3_IO_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_AUX_TC3)) +#define TGL_AUX_TC4_IO_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_AUX_TC4)) +#define TGL_AUX_TC5_IO_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_AUX_TC5)) +#define TGL_AUX_TC6_IO_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_AUX_TC6)) +#define TGL_AUX_TBT5_IO_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_AUX_TBT5)) +#define TGL_AUX_TBT6_IO_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_AUX_TBT6)) + static const struct i915_power_well_ops i9xx_always_on_power_well_ops = { .sync_hw = i9xx_power_well_sync_hw_noop, .enable = i9xx_always_on_power_well_noop, @@ -3113,7 +3351,7 @@ static const struct i915_power_well_ops icl_combo_phy_aux_power_well_ops = { static const struct i915_power_well_ops icl_tc_phy_aux_power_well_ops = { .sync_hw = hsw_power_well_sync_hw, .enable = icl_tc_phy_aux_power_well_enable, - .disable = hsw_power_well_disable, + .disable = icl_tc_phy_aux_power_well_disable, .is_enabled = hsw_power_well_enabled, }; @@ -3362,6 +3600,335 @@ static const struct i915_power_well_desc icl_power_wells[] = { }, }; +static const struct i915_power_well_desc tgl_power_wells[] = { + { + .name = "always-on", + .always_on = true, + .domains = POWER_DOMAIN_MASK, + .ops = &i9xx_always_on_power_well_ops, + .id = DISP_PW_ID_NONE, + }, + { + .name = "power well 1", + /* Handled by the DMC firmware */ + .always_on = true, + .domains = 0, + .ops = &hsw_power_well_ops, + .id = SKL_DISP_PW_1, + { + .hsw.regs = &hsw_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_PW_1, + .hsw.has_fuses = true, + }, + }, + { + .name = "DC off", + .domains = TGL_DISPLAY_DC_OFF_POWER_DOMAINS, + .ops = &gen9_dc_off_power_well_ops, + .id = DISP_PW_ID_NONE, + }, + { + .name = "power well 2", + .domains = TGL_PW_2_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = SKL_DISP_PW_2, + { + .hsw.regs = &hsw_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_PW_2, + .hsw.has_fuses = true, + }, + }, + { + .name = "power well 3", + .domains = TGL_PW_3_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &hsw_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_PW_3, + .hsw.irq_pipe_mask = BIT(PIPE_B), + .hsw.has_vga = true, + .hsw.has_fuses = true, + }, + }, + { + .name = "DDI A IO", + .domains = ICL_DDI_IO_A_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_ddi_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_DDI_A, + } + }, + { + .name = "DDI B IO", + .domains = ICL_DDI_IO_B_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_ddi_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_DDI_B, + } + }, + { + .name = "DDI C IO", + .domains = ICL_DDI_IO_C_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_ddi_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_DDI_C, + } + }, + { + .name = "DDI TC1 IO", + .domains = TGL_DDI_IO_TC1_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_ddi_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_DDI_TC1, + }, + }, + { + .name = "DDI TC2 IO", + .domains = TGL_DDI_IO_TC2_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_ddi_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_DDI_TC2, + }, + }, + { + .name = "DDI TC3 IO", + .domains = TGL_DDI_IO_TC3_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_ddi_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_DDI_TC3, + }, + }, + { + .name = "DDI TC4 IO", + .domains = TGL_DDI_IO_TC4_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_ddi_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_DDI_TC4, + }, + }, + { + .name = "DDI TC5 IO", + .domains = TGL_DDI_IO_TC5_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_ddi_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_DDI_TC5, + }, + }, + { + .name = "DDI TC6 IO", + .domains = TGL_DDI_IO_TC6_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_ddi_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_DDI_TC6, + }, + }, + { + .name = "AUX A", + .domains = ICL_AUX_A_IO_POWER_DOMAINS, + .ops = &icl_combo_phy_aux_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_AUX_A, + }, + }, + { + .name = "AUX B", + .domains = ICL_AUX_B_IO_POWER_DOMAINS, + .ops = &icl_combo_phy_aux_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_AUX_B, + }, + }, + { + .name = "AUX C", + .domains = ICL_AUX_C_IO_POWER_DOMAINS, + .ops = &icl_combo_phy_aux_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_AUX_C, + }, + }, + { + .name = "AUX TC1", + .domains = TGL_AUX_TC1_IO_POWER_DOMAINS, + .ops = &icl_tc_phy_aux_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TC1, + .hsw.is_tc_tbt = false, + }, + }, + { + .name = "AUX TC2", + .domains = TGL_AUX_TC2_IO_POWER_DOMAINS, + .ops = &icl_tc_phy_aux_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TC2, + .hsw.is_tc_tbt = false, + }, + }, + { + .name = "AUX TC3", + .domains = TGL_AUX_TC3_IO_POWER_DOMAINS, + .ops = &icl_tc_phy_aux_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TC3, + .hsw.is_tc_tbt = false, + }, + }, + { + .name = "AUX TC4", + .domains = TGL_AUX_TC4_IO_POWER_DOMAINS, + .ops = &icl_tc_phy_aux_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TC4, + .hsw.is_tc_tbt = false, + }, + }, + { + .name = "AUX TC5", + .domains = TGL_AUX_TC5_IO_POWER_DOMAINS, + .ops = &icl_tc_phy_aux_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TC5, + .hsw.is_tc_tbt = false, + }, + }, + { + .name = "AUX TC6", + .domains = TGL_AUX_TC6_IO_POWER_DOMAINS, + .ops = &icl_tc_phy_aux_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TC6, + .hsw.is_tc_tbt = false, + }, + }, + { + .name = "AUX TBT1", + .domains = ICL_AUX_TBT1_IO_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1, + .hsw.is_tc_tbt = true, + }, + }, + { + .name = "AUX TBT2", + .domains = ICL_AUX_TBT2_IO_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2, + .hsw.is_tc_tbt = true, + }, + }, + { + .name = "AUX TBT3", + .domains = ICL_AUX_TBT3_IO_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3, + .hsw.is_tc_tbt = true, + }, + }, + { + .name = "AUX TBT4", + .domains = ICL_AUX_TBT4_IO_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4, + .hsw.is_tc_tbt = true, + }, + }, + { + .name = "AUX TBT5", + .domains = TGL_AUX_TBT5_IO_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT5, + .hsw.is_tc_tbt = true, + }, + }, + { + .name = "AUX TBT6", + .domains = TGL_AUX_TBT6_IO_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &icl_aux_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_AUX_TBT6, + .hsw.is_tc_tbt = true, + }, + }, + { + .name = "power well 4", + .domains = TGL_PW_4_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &hsw_power_well_regs, + .hsw.idx = ICL_PW_CTL_IDX_PW_4, + .hsw.has_fuses = true, + .hsw.irq_pipe_mask = BIT(PIPE_C), + } + }, + { + .name = "power well 5", + .domains = TGL_PW_5_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = DISP_PW_ID_NONE, + { + .hsw.regs = &hsw_power_well_regs, + .hsw.idx = TGL_PW_CTL_IDX_PW_5, + .hsw.has_fuses = true, + .hsw.irq_pipe_mask = BIT(PIPE_D), + }, + }, +}; + static int sanitize_disable_power_well_option(const struct drm_i915_private *dev_priv, int disable_power_well) @@ -3489,7 +4056,9 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv) * The enabling order will be from lower to higher indexed wells, * the disabling order is reversed. */ - if (IS_GEN(dev_priv, 11)) { + if (IS_GEN(dev_priv, 12)) { + err = set_power_wells(power_domains, tgl_power_wells); + } else if (IS_GEN(dev_priv, 11)) { err = set_power_wells(power_domains, icl_power_wells); } else if (IS_CANNONLAKE(dev_priv)) { err = set_power_wells(power_domains, cnl_power_wells); @@ -4337,7 +4906,7 @@ static void intel_power_domains_verify_state(struct drm_i915_private *dev_priv); * * It will return with power domains disabled (to be enabled later by * intel_power_domains_enable()) and must be paired with - * intel_power_domains_fini_hw(). + * intel_power_domains_driver_remove(). */ void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume) { @@ -4389,7 +4958,7 @@ void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume) } /** - * intel_power_domains_fini_hw - deinitialize hw power domain state + * intel_power_domains_driver_remove - deinitialize hw power domain state * @i915: i915 device instance * * De-initializes the display power domain HW state. It also ensures that the @@ -4399,7 +4968,7 @@ void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume) * intel_power_domains_disable()) and must be paired with * intel_power_domains_init_hw(). */ -void intel_power_domains_fini_hw(struct drm_i915_private *i915) +void intel_power_domains_driver_remove(struct drm_i915_private *i915) { intel_wakeref_t wakeref __maybe_unused = fetch_and_zero(&i915->power_domains.wakeref); @@ -4553,7 +5122,8 @@ static void intel_power_domains_dump_info(struct drm_i915_private *i915) for_each_power_domain(domain, power_well->desc->domains) DRM_DEBUG_DRIVER(" %-23s %d\n", - intel_display_power_domain_str(domain), + intel_display_power_domain_str(i915, + domain), power_domains->domain_use_count[domain]); } } diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h index ff57b0a7fe59..e4d2c1ba24b0 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.h +++ b/drivers/gpu/drm/i915/display/intel_display_power.h @@ -18,28 +18,47 @@ enum intel_display_power_domain { POWER_DOMAIN_PIPE_A, POWER_DOMAIN_PIPE_B, POWER_DOMAIN_PIPE_C, + POWER_DOMAIN_PIPE_D, POWER_DOMAIN_PIPE_A_PANEL_FITTER, POWER_DOMAIN_PIPE_B_PANEL_FITTER, POWER_DOMAIN_PIPE_C_PANEL_FITTER, + POWER_DOMAIN_PIPE_D_PANEL_FITTER, POWER_DOMAIN_TRANSCODER_A, POWER_DOMAIN_TRANSCODER_B, POWER_DOMAIN_TRANSCODER_C, + POWER_DOMAIN_TRANSCODER_D, POWER_DOMAIN_TRANSCODER_EDP, - POWER_DOMAIN_TRANSCODER_EDP_VDSC, + /* VDSC/joining for TRANSCODER_EDP (ICL) or TRANSCODER_A (TGL) */ + POWER_DOMAIN_TRANSCODER_VDSC_PW2, POWER_DOMAIN_TRANSCODER_DSI_A, POWER_DOMAIN_TRANSCODER_DSI_C, POWER_DOMAIN_PORT_DDI_A_LANES, POWER_DOMAIN_PORT_DDI_B_LANES, POWER_DOMAIN_PORT_DDI_C_LANES, POWER_DOMAIN_PORT_DDI_D_LANES, + POWER_DOMAIN_PORT_DDI_TC1_LANES = POWER_DOMAIN_PORT_DDI_D_LANES, POWER_DOMAIN_PORT_DDI_E_LANES, + POWER_DOMAIN_PORT_DDI_TC2_LANES = POWER_DOMAIN_PORT_DDI_E_LANES, POWER_DOMAIN_PORT_DDI_F_LANES, + POWER_DOMAIN_PORT_DDI_TC3_LANES = POWER_DOMAIN_PORT_DDI_F_LANES, + POWER_DOMAIN_PORT_DDI_TC4_LANES, + POWER_DOMAIN_PORT_DDI_TC5_LANES, + POWER_DOMAIN_PORT_DDI_TC6_LANES, POWER_DOMAIN_PORT_DDI_A_IO, POWER_DOMAIN_PORT_DDI_B_IO, POWER_DOMAIN_PORT_DDI_C_IO, POWER_DOMAIN_PORT_DDI_D_IO, + POWER_DOMAIN_PORT_DDI_TC1_IO = POWER_DOMAIN_PORT_DDI_D_IO, POWER_DOMAIN_PORT_DDI_E_IO, + POWER_DOMAIN_PORT_DDI_TC2_IO = POWER_DOMAIN_PORT_DDI_E_IO, POWER_DOMAIN_PORT_DDI_F_IO, + POWER_DOMAIN_PORT_DDI_TC3_IO = POWER_DOMAIN_PORT_DDI_F_IO, + POWER_DOMAIN_PORT_DDI_G_IO, + POWER_DOMAIN_PORT_DDI_TC4_IO = POWER_DOMAIN_PORT_DDI_G_IO, + POWER_DOMAIN_PORT_DDI_H_IO, + POWER_DOMAIN_PORT_DDI_TC5_IO = POWER_DOMAIN_PORT_DDI_H_IO, + POWER_DOMAIN_PORT_DDI_I_IO, + POWER_DOMAIN_PORT_DDI_TC6_IO = POWER_DOMAIN_PORT_DDI_I_IO, POWER_DOMAIN_PORT_DSI, POWER_DOMAIN_PORT_CRT, POWER_DOMAIN_PORT_OTHER, @@ -49,16 +68,25 @@ enum intel_display_power_domain { POWER_DOMAIN_AUX_B, POWER_DOMAIN_AUX_C, POWER_DOMAIN_AUX_D, + POWER_DOMAIN_AUX_TC1 = POWER_DOMAIN_AUX_D, POWER_DOMAIN_AUX_E, + POWER_DOMAIN_AUX_TC2 = POWER_DOMAIN_AUX_E, POWER_DOMAIN_AUX_F, + POWER_DOMAIN_AUX_TC3 = POWER_DOMAIN_AUX_F, + POWER_DOMAIN_AUX_TC4, + POWER_DOMAIN_AUX_TC5, + POWER_DOMAIN_AUX_TC6, POWER_DOMAIN_AUX_IO_A, POWER_DOMAIN_AUX_TBT1, POWER_DOMAIN_AUX_TBT2, POWER_DOMAIN_AUX_TBT3, POWER_DOMAIN_AUX_TBT4, + POWER_DOMAIN_AUX_TBT5, + POWER_DOMAIN_AUX_TBT6, POWER_DOMAIN_GMBUS, POWER_DOMAIN_MODESET, POWER_DOMAIN_GT_IRQ, + POWER_DOMAIN_DPLL_DC_OFF, POWER_DOMAIN_INIT, POWER_DOMAIN_NUM, @@ -213,7 +241,7 @@ void gen9_enable_dc5(struct drm_i915_private *dev_priv); int intel_power_domains_init(struct drm_i915_private *dev_priv); void intel_power_domains_cleanup(struct drm_i915_private *dev_priv); void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume); -void intel_power_domains_fini_hw(struct drm_i915_private *dev_priv); +void intel_power_domains_driver_remove(struct drm_i915_private *dev_priv); void icl_display_core_init(struct drm_i915_private *dev_priv, bool resume); void icl_display_core_uninit(struct drm_i915_private *dev_priv); void intel_power_domains_enable(struct drm_i915_private *dev_priv); @@ -227,7 +255,8 @@ void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume); void bxt_display_core_uninit(struct drm_i915_private *dev_priv); const char * -intel_display_power_domain_str(enum intel_display_power_domain domain); +intel_display_power_domain_str(struct drm_i915_private *i915, + enum intel_display_power_domain domain); bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index d0fc34826771..0eb5d66f87a7 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -62,6 +62,7 @@ #include "intel_panel.h" #include "intel_psr.h" #include "intel_sideband.h" +#include "intel_tc.h" #include "intel_vdsc.h" #define DP_DPRX_ESI_LEN 14 @@ -211,47 +212,13 @@ static int intel_dp_max_common_rate(struct intel_dp *intel_dp) return intel_dp->common_rates[intel_dp->num_common_rates - 1]; } -static int intel_dp_get_fia_supported_lane_count(struct intel_dp *intel_dp) -{ - struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); - enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port); - intel_wakeref_t wakeref; - u32 lane_info; - - if (tc_port == PORT_TC_NONE || dig_port->tc_type != TC_PORT_TYPEC) - return 4; - - lane_info = 0; - with_intel_display_power(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref) - lane_info = (I915_READ(PORT_TX_DFLEXDPSP) & - DP_LANE_ASSIGNMENT_MASK(tc_port)) >> - DP_LANE_ASSIGNMENT_SHIFT(tc_port); - - switch (lane_info) { - default: - MISSING_CASE(lane_info); - /* fall through */ - case 1: - case 2: - case 4: - case 8: - return 1; - case 3: - case 12: - return 2; - case 15: - return 4; - } -} - /* Theoretical max between source and sink */ static int intel_dp_max_common_lane_count(struct intel_dp *intel_dp) { struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); int source_max = intel_dig_port->max_lanes; int sink_max = drm_dp_max_lane_count(intel_dp->dpcd); - int fia_max = intel_dp_get_fia_supported_lane_count(intel_dp); + int fia_max = intel_tc_port_fia_max_lane_count(intel_dig_port); return min3(source_max, sink_max, fia_max); } @@ -330,9 +297,9 @@ static int icl_max_source_rate(struct intel_dp *intel_dp) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); - enum port port = dig_port->base.port; + enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); - if (intel_port_is_combophy(dev_priv, port) && + if (intel_phy_is_combo(dev_priv, phy) && !IS_ELKHARTLAKE(dev_priv) && !intel_dp_is_edp(intel_dp)) return 540000; @@ -1209,7 +1176,7 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) | DP_AUX_CH_CTL_SYNC_PULSE_SKL(32); - if (intel_dig_port->tc_type == TC_PORT_TBT) + if (intel_dig_port->tc_mode == TC_PORT_TBT_ALT) ret |= DP_AUX_CH_CTL_TBT_IO; return ret; @@ -1225,6 +1192,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev); struct intel_uncore *uncore = &i915->uncore; + enum phy phy = intel_port_to_phy(i915, intel_dig_port->base.port); + bool is_tc_port = intel_phy_is_tc(i915, phy); i915_reg_t ch_ctl, ch_data[5]; u32 aux_clock_divider; enum intel_display_power_domain aux_domain = @@ -1240,6 +1209,9 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, for (i = 0; i < ARRAY_SIZE(ch_data); i++) ch_data[i] = intel_dp->aux_ch_data_reg(intel_dp, i); + if (is_tc_port) + intel_tc_port_lock(intel_dig_port); + aux_wakeref = intel_display_power_get(i915, aux_domain); pps_wakeref = pps_lock(intel_dp); @@ -1392,6 +1364,9 @@ out: pps_unlock(intel_dp, pps_wakeref); intel_display_power_put_async(i915, aux_domain, aux_wakeref); + if (is_tc_port) + intel_tc_port_unlock(intel_dig_port); + return ret; } @@ -1879,8 +1854,10 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp, int mode_rate, link_clock, link_avail; for (bpp = limits->max_bpp; bpp >= limits->min_bpp; bpp -= 2 * 3) { + int output_bpp = intel_dp_output_bpp(pipe_config, bpp); + mode_rate = intel_dp_link_required(adjusted_mode->crtc_clock, - bpp); + output_bpp); for (clock = limits->min_clock; clock <= limits->max_clock; clock++) { for (lane_count = limits->min_lane_count; @@ -4244,8 +4221,14 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) if (!intel_dp_read_dpcd(intel_dp)) return false; - /* Don't clobber cached eDP rates. */ + /* + * Don't clobber cached eDP rates. Also skip re-reading + * the OUI/ID since we know it won't change. + */ if (!intel_dp_is_edp(intel_dp)) { + drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc, + drm_dp_is_branch(intel_dp->dpcd)); + intel_dp_set_sink_rates(intel_dp); intel_dp_set_common_rates(intel_dp); } @@ -4254,7 +4237,8 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) * Some eDP panels do not set a valid value for sink count, that is why * it don't care about read it here and in intel_edp_init_dpcd(). */ - if (!intel_dp_is_edp(intel_dp)) { + if (!intel_dp_is_edp(intel_dp) && + !drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_NO_SINK_COUNT)) { u8 count; ssize_t r; @@ -4879,14 +4863,16 @@ int intel_dp_retrain_link(struct intel_encoder *encoder, * retrain the link to get a picture. That's in case no * userspace component reacted to intermittent HPD dip. */ -static bool intel_dp_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector) +static enum intel_hotplug_state +intel_dp_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector, + bool irq_received) { struct drm_modeset_acquire_ctx ctx; - bool changed; + enum intel_hotplug_state state; int ret; - changed = intel_encoder_hotplug(encoder, connector); + state = intel_encoder_hotplug(encoder, connector, irq_received); drm_modeset_acquire_init(&ctx, 0); @@ -4905,7 +4891,14 @@ static bool intel_dp_hotplug(struct intel_encoder *encoder, drm_modeset_acquire_fini(&ctx); WARN(ret, "Acquiring modeset locks failed with %i\n", ret); - return changed; + /* + * Keeping it consistent with intel_ddi_hotplug() and + * intel_hdmi_hotplug(). + */ + if (state == INTEL_HOTPLUG_UNCHANGED && irq_received) + state = INTEL_HOTPLUG_RETRY; + + return state; } static void intel_dp_check_service_irq(struct intel_dp *intel_dp) @@ -5233,204 +5226,16 @@ static bool icl_combo_port_connected(struct drm_i915_private *dev_priv, return I915_READ(SDEISR) & SDE_DDI_HOTPLUG_ICP(port); } -static const char *tc_type_name(enum tc_port_type type) -{ - static const char * const names[] = { - [TC_PORT_UNKNOWN] = "unknown", - [TC_PORT_LEGACY] = "legacy", - [TC_PORT_TYPEC] = "typec", - [TC_PORT_TBT] = "tbt", - }; - - if (WARN_ON(type >= ARRAY_SIZE(names))) - type = TC_PORT_UNKNOWN; - - return names[type]; -} - -static void icl_update_tc_port_type(struct drm_i915_private *dev_priv, - struct intel_digital_port *intel_dig_port, - bool is_legacy, bool is_typec, bool is_tbt) -{ - enum port port = intel_dig_port->base.port; - enum tc_port_type old_type = intel_dig_port->tc_type; - - WARN_ON(is_legacy + is_typec + is_tbt != 1); - - if (is_legacy) - intel_dig_port->tc_type = TC_PORT_LEGACY; - else if (is_typec) - intel_dig_port->tc_type = TC_PORT_TYPEC; - else if (is_tbt) - intel_dig_port->tc_type = TC_PORT_TBT; - else - return; - - /* Types are not supposed to be changed at runtime. */ - WARN_ON(old_type != TC_PORT_UNKNOWN && - old_type != intel_dig_port->tc_type); - - if (old_type != intel_dig_port->tc_type) - DRM_DEBUG_KMS("Port %c has TC type %s\n", port_name(port), - tc_type_name(intel_dig_port->tc_type)); -} - -/* - * This function implements the first part of the Connect Flow described by our - * specification, Gen11 TypeC Programming chapter. The rest of the flow (reading - * lanes, EDID, etc) is done as needed in the typical places. - * - * Unlike the other ports, type-C ports are not available to use as soon as we - * get a hotplug. The type-C PHYs can be shared between multiple controllers: - * display, USB, etc. As a result, handshaking through FIA is required around - * connect and disconnect to cleanly transfer ownership with the controller and - * set the type-C power state. - * - * We could opt to only do the connect flow when we actually try to use the AUX - * channels or do a modeset, then immediately run the disconnect flow after - * usage, but there are some implications on this for a dynamic environment: - * things may go away or change behind our backs. So for now our driver is - * always trying to acquire ownership of the controller as soon as it gets an - * interrupt (or polls state and sees a port is connected) and only gives it - * back when it sees a disconnect. Implementation of a more fine-grained model - * will require a lot of coordination with user space and thorough testing for - * the extra possible cases. - */ -static bool icl_tc_phy_connect(struct drm_i915_private *dev_priv, - struct intel_digital_port *dig_port) -{ - enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port); - u32 val; - - if (dig_port->tc_type != TC_PORT_LEGACY && - dig_port->tc_type != TC_PORT_TYPEC) - return true; - - val = I915_READ(PORT_TX_DFLEXDPPMS); - if (!(val & DP_PHY_MODE_STATUS_COMPLETED(tc_port))) { - DRM_DEBUG_KMS("DP PHY for TC port %d not ready\n", tc_port); - WARN_ON(dig_port->tc_legacy_port); - return false; - } - - /* - * This function may be called many times in a row without an HPD event - * in between, so try to avoid the write when we can. - */ - val = I915_READ(PORT_TX_DFLEXDPCSSS); - if (!(val & DP_PHY_MODE_STATUS_NOT_SAFE(tc_port))) { - val |= DP_PHY_MODE_STATUS_NOT_SAFE(tc_port); - I915_WRITE(PORT_TX_DFLEXDPCSSS, val); - } - - /* - * Now we have to re-check the live state, in case the port recently - * became disconnected. Not necessary for legacy mode. - */ - if (dig_port->tc_type == TC_PORT_TYPEC && - !(I915_READ(PORT_TX_DFLEXDPSP) & TC_LIVE_STATE_TC(tc_port))) { - DRM_DEBUG_KMS("TC PHY %d sudden disconnect.\n", tc_port); - icl_tc_phy_disconnect(dev_priv, dig_port); - return false; - } - - return true; -} - -/* - * See the comment at the connect function. This implements the Disconnect - * Flow. - */ -void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv, - struct intel_digital_port *dig_port) -{ - enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port); - - if (dig_port->tc_type == TC_PORT_UNKNOWN) - return; - - /* - * TBT disconnection flow is read the live status, what was done in - * caller. - */ - if (dig_port->tc_type == TC_PORT_TYPEC || - dig_port->tc_type == TC_PORT_LEGACY) { - u32 val; - - val = I915_READ(PORT_TX_DFLEXDPCSSS); - val &= ~DP_PHY_MODE_STATUS_NOT_SAFE(tc_port); - I915_WRITE(PORT_TX_DFLEXDPCSSS, val); - } - - DRM_DEBUG_KMS("Port %c TC type %s disconnected\n", - port_name(dig_port->base.port), - tc_type_name(dig_port->tc_type)); - - dig_port->tc_type = TC_PORT_UNKNOWN; -} - -/* - * The type-C ports are different because even when they are connected, they may - * not be available/usable by the graphics driver: see the comment on - * icl_tc_phy_connect(). So in our driver instead of adding the additional - * concept of "usable" and make everything check for "connected and usable" we - * define a port as "connected" when it is not only connected, but also when it - * is usable by the rest of the driver. That maintains the old assumption that - * connected ports are usable, and avoids exposing to the users objects they - * can't really use. - */ -static bool icl_tc_port_connected(struct drm_i915_private *dev_priv, - struct intel_digital_port *intel_dig_port) -{ - enum port port = intel_dig_port->base.port; - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); - bool is_legacy, is_typec, is_tbt; - u32 dpsp; - - /* - * Complain if we got a legacy port HPD, but VBT didn't mark the port as - * legacy. Treat the port as legacy from now on. - */ - if (!intel_dig_port->tc_legacy_port && - I915_READ(SDEISR) & SDE_TC_HOTPLUG_ICP(tc_port)) { - DRM_ERROR("VBT incorrectly claims port %c is not TypeC legacy\n", - port_name(port)); - intel_dig_port->tc_legacy_port = true; - } - is_legacy = intel_dig_port->tc_legacy_port; - - /* - * The spec says we shouldn't be using the ISR bits for detecting - * between TC and TBT. We should use DFLEXDPSP. - */ - dpsp = I915_READ(PORT_TX_DFLEXDPSP); - is_typec = dpsp & TC_LIVE_STATE_TC(tc_port); - is_tbt = dpsp & TC_LIVE_STATE_TBT(tc_port); - - if (!is_legacy && !is_typec && !is_tbt) { - icl_tc_phy_disconnect(dev_priv, intel_dig_port); - - return false; - } - - icl_update_tc_port_type(dev_priv, intel_dig_port, is_legacy, is_typec, - is_tbt); - - if (!icl_tc_phy_connect(dev_priv, intel_dig_port)) - return false; - - return true; -} - static bool icl_digital_port_connected(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - if (intel_port_is_combophy(dev_priv, encoder->port)) + if (intel_phy_is_combo(dev_priv, phy)) return icl_combo_port_connected(dev_priv, dig_port); - else if (intel_port_is_tc(dev_priv, encoder->port)) - return icl_tc_port_connected(dev_priv, dig_port); + else if (intel_phy_is_tc(dev_priv, phy)) + return intel_tc_port_connected(dig_port); else MISSING_CASE(encoder->hpd_pin); @@ -5588,9 +5393,6 @@ intel_dp_detect(struct drm_connector *connector, if (INTEL_GEN(dev_priv) >= 11) intel_dp_get_dsc_sink_cap(intel_dp); - drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc, - drm_dp_is_branch(intel_dp->dpcd)); - intel_dp_configure_mst(intel_dp); if (intel_dp->is_mst) { @@ -6835,8 +6637,6 @@ static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv, const struct intel_crtc_state *crtc_state, int refresh_rate) { - struct intel_encoder *encoder; - struct intel_digital_port *dig_port = NULL; struct intel_dp *intel_dp = dev_priv->drrs.dp; struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); enum drrs_refresh_rate_type index = DRRS_HIGH_RR; @@ -6851,9 +6651,6 @@ static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv, return; } - dig_port = dp_to_dig_port(intel_dp); - encoder = &dig_port->base; - if (!intel_crtc) { DRM_DEBUG_KMS("DRRS: intel_crtc not initialized\n"); return; @@ -7333,6 +7130,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, struct drm_device *dev = intel_encoder->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); enum port port = intel_encoder->port; + enum phy phy = intel_port_to_phy(dev_priv, port); int type; /* Initialize the work for modeset in case of link train failure */ @@ -7359,7 +7157,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, * Currently we don't support eDP on TypeC ports, although in * theory it could work on TypeC legacy ports. */ - WARN_ON(intel_port_is_tc(dev_priv, port)); + WARN_ON(intel_phy_is_tc(dev_priv, phy)); type = DRM_MODE_CONNECTOR_eDP; } else { type = DRM_MODE_CONNECTOR_DisplayPort; diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index da70b1a41c83..657bbb1f5ed0 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -112,8 +112,6 @@ bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp); int intel_dp_link_required(int pixel_clock, int bpp); int intel_dp_max_data_rate(int max_link_clock, int max_lanes); bool intel_digital_port_connected(struct intel_encoder *encoder); -void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv, - struct intel_digital_port *dig_port); static inline unsigned int intel_dp_unused_lane_mask(int lane_count) { diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c index 7ded95a334db..6b0b73479fb8 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c @@ -264,8 +264,11 @@ intel_dp_aux_display_control_capable(struct intel_connector *connector) int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector) { struct intel_panel *panel = &intel_connector->panel; + struct drm_i915_private *dev_priv = to_i915(intel_connector->base.dev); - if (!i915_modparams.enable_dpcd_backlight) + if (i915_modparams.enable_dpcd_backlight == 0 || + (i915_modparams.enable_dpcd_backlight == -1 && + dev_priv->vbt.backlight.type != INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE)) return -ENODEV; if (!intel_dp_aux_display_control_capable(intel_connector)) diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.h b/drivers/gpu/drm/i915/display/intel_dp_mst.h index 1470c6e0514b..6754c211205a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.h +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.h @@ -6,9 +6,15 @@ #ifndef __INTEL_DP_MST_H__ #define __INTEL_DP_MST_H__ -struct intel_digital_port; +#include "intel_drv.h" int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id); void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port); +static inline int +intel_dp_mst_encoder_active_links(struct intel_digital_port *intel_dig_port) +{ + return intel_dig_port->dp.active_mst_links; +} + #endif /* __INTEL_DP_MST_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index 2d4e7b9a7b9d..f9bdf8514a53 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -36,9 +36,10 @@ * This file provides an abstraction over display PLLs. The function * intel_shared_dpll_init() initializes the PLLs for the given platform. The * users of a PLL are tracked and that tracking is integrated with the atomic - * modest interface. During an atomic operation, a PLL can be requested for a - * given CRTC and encoder configuration by calling intel_get_shared_dpll() and - * a previously used PLL can be released with intel_release_shared_dpll(). + * modset interface. During an atomic operation, required PLLs can be reserved + * for a given CRTC and encoder configuration by calling + * intel_reserve_shared_dplls() and previously reserved PLLs can be released + * with intel_release_shared_dplls(). * Changes to the users are first staged in the atomic state, and then made * effective by calling intel_shared_dpll_swap_state() during the atomic * commit phase. @@ -243,17 +244,18 @@ out: } static struct intel_shared_dpll * -intel_find_shared_dpll(struct intel_crtc_state *crtc_state, +intel_find_shared_dpll(struct intel_atomic_state *state, + const struct intel_crtc *crtc, + const struct intel_dpll_hw_state *pll_state, enum intel_dpll_id range_min, enum intel_dpll_id range_max) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct intel_shared_dpll *pll, *unused_pll = NULL; struct intel_shared_dpll_state *shared_dpll; enum intel_dpll_id i; - shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state); + shared_dpll = intel_atomic_get_shared_dpll_state(&state->base); for (i = range_min; i <= range_max; i++) { pll = &dev_priv->shared_dplls[i]; @@ -265,9 +267,9 @@ intel_find_shared_dpll(struct intel_crtc_state *crtc_state, continue; } - if (memcmp(&crtc_state->dpll_hw_state, + if (memcmp(pll_state, &shared_dpll[i].hw_state, - sizeof(crtc_state->dpll_hw_state)) == 0) { + sizeof(*pll_state)) == 0) { DRM_DEBUG_KMS("[CRTC:%d:%s] sharing existing %s (crtc mask 0x%08x, active %x)\n", crtc->base.base.id, crtc->base.name, pll->info->name, @@ -289,26 +291,51 @@ intel_find_shared_dpll(struct intel_crtc_state *crtc_state, } static void -intel_reference_shared_dpll(struct intel_shared_dpll *pll, - struct intel_crtc_state *crtc_state) +intel_reference_shared_dpll(struct intel_atomic_state *state, + const struct intel_crtc *crtc, + const struct intel_shared_dpll *pll, + const struct intel_dpll_hw_state *pll_state) { struct intel_shared_dpll_state *shared_dpll; - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); const enum intel_dpll_id id = pll->info->id; - shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state); + shared_dpll = intel_atomic_get_shared_dpll_state(&state->base); if (shared_dpll[id].crtc_mask == 0) - shared_dpll[id].hw_state = - crtc_state->dpll_hw_state; + shared_dpll[id].hw_state = *pll_state; - crtc_state->shared_dpll = pll; DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->info->name, pipe_name(crtc->pipe)); shared_dpll[id].crtc_mask |= 1 << crtc->pipe; } +static void intel_unreference_shared_dpll(struct intel_atomic_state *state, + const struct intel_crtc *crtc, + const struct intel_shared_dpll *pll) +{ + struct intel_shared_dpll_state *shared_dpll; + + shared_dpll = intel_atomic_get_shared_dpll_state(&state->base); + shared_dpll[pll->info->id].crtc_mask &= ~(1 << crtc->pipe); +} + +static void intel_put_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + const struct intel_crtc_state *old_crtc_state = + intel_atomic_get_old_crtc_state(state, crtc); + struct intel_crtc_state *new_crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + + new_crtc_state->shared_dpll = NULL; + + if (!old_crtc_state->shared_dpll) + return; + + intel_unreference_shared_dpll(state, crtc, old_crtc_state->shared_dpll); +} + /** * intel_shared_dpll_swap_state - make atomic DPLL configuration effective * @state: atomic state @@ -320,25 +347,20 @@ intel_reference_shared_dpll(struct intel_shared_dpll *pll, * i.e. it also puts the current state into @state, even though there is no * need for that at this moment. */ -void intel_shared_dpll_swap_state(struct drm_atomic_state *state) +void intel_shared_dpll_swap_state(struct intel_atomic_state *state) { - struct drm_i915_private *dev_priv = to_i915(state->dev); - struct intel_shared_dpll_state *shared_dpll; - struct intel_shared_dpll *pll; + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_shared_dpll_state *shared_dpll = state->shared_dpll; enum intel_dpll_id i; - if (!to_intel_atomic_state(state)->dpll_set) + if (!state->dpll_set) return; - shared_dpll = to_intel_atomic_state(state)->shared_dpll; for (i = 0; i < dev_priv->num_shared_dpll; i++) { - struct intel_shared_dpll_state tmp; + struct intel_shared_dpll *pll = + &dev_priv->shared_dplls[i]; - pll = &dev_priv->shared_dplls[i]; - - tmp = pll->state; - pll->state = shared_dpll[i]; - shared_dpll[i] = tmp; + swap(pll->state, shared_dpll[i]); } } @@ -421,11 +443,12 @@ static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, udelay(200); } -static struct intel_shared_dpll * -ibx_get_dpll(struct intel_crtc_state *crtc_state, - struct intel_encoder *encoder) +static bool ibx_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct intel_shared_dpll *pll; enum intel_dpll_id i; @@ -439,18 +462,22 @@ ibx_get_dpll(struct intel_crtc_state *crtc_state, crtc->base.base.id, crtc->base.name, pll->info->name); } else { - pll = intel_find_shared_dpll(crtc_state, + pll = intel_find_shared_dpll(state, crtc, + &crtc_state->dpll_hw_state, DPLL_ID_PCH_PLL_A, DPLL_ID_PCH_PLL_B); } if (!pll) - return NULL; + return false; /* reference the pll */ - intel_reference_shared_dpll(pll, crtc_state); + intel_reference_shared_dpll(state, crtc, + pll, &crtc_state->dpll_hw_state); - return pll; + crtc_state->shared_dpll = pll; + + return true; } static void ibx_dump_hw_state(struct drm_i915_private *dev_priv, @@ -767,8 +794,12 @@ hsw_ddi_calculate_wrpll(int clock /* in Hz */, *r2_out = best.r2; } -static struct intel_shared_dpll *hsw_ddi_hdmi_get_dpll(struct intel_crtc_state *crtc_state) +static struct intel_shared_dpll * +hsw_ddi_hdmi_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc) { + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); struct intel_shared_dpll *pll; u32 val; unsigned int p, n2, r2; @@ -781,7 +812,8 @@ static struct intel_shared_dpll *hsw_ddi_hdmi_get_dpll(struct intel_crtc_state * crtc_state->dpll_hw_state.wrpll = val; - pll = intel_find_shared_dpll(crtc_state, + pll = intel_find_shared_dpll(state, crtc, + &crtc_state->dpll_hw_state, DPLL_ID_WRPLL1, DPLL_ID_WRPLL2); if (!pll) @@ -821,38 +853,44 @@ hsw_ddi_dp_get_dpll(struct intel_crtc_state *crtc_state) return pll; } -static struct intel_shared_dpll * -hsw_get_dpll(struct intel_crtc_state *crtc_state, - struct intel_encoder *encoder) +static bool hsw_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); struct intel_shared_dpll *pll; memset(&crtc_state->dpll_hw_state, 0, sizeof(crtc_state->dpll_hw_state)); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { - pll = hsw_ddi_hdmi_get_dpll(crtc_state); + pll = hsw_ddi_hdmi_get_dpll(state, crtc); } else if (intel_crtc_has_dp_encoder(crtc_state)) { pll = hsw_ddi_dp_get_dpll(crtc_state); } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) { if (WARN_ON(crtc_state->port_clock / 2 != 135000)) - return NULL; + return false; crtc_state->dpll_hw_state.spll = SPLL_PLL_ENABLE | SPLL_FREQ_1350MHz | SPLL_REF_MUXED_SSC; - pll = intel_find_shared_dpll(crtc_state, + pll = intel_find_shared_dpll(state, crtc, + &crtc_state->dpll_hw_state, DPLL_ID_SPLL, DPLL_ID_SPLL); } else { - return NULL; + return false; } if (!pll) - return NULL; + return false; - intel_reference_shared_dpll(pll, crtc_state); + intel_reference_shared_dpll(state, crtc, + pll, &crtc_state->dpll_hw_state); - return pll; + crtc_state->shared_dpll = pll; + + return true; } static void hsw_dump_hw_state(struct drm_i915_private *dev_priv, @@ -1385,10 +1423,12 @@ skl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state) return true; } -static struct intel_shared_dpll * -skl_get_dpll(struct intel_crtc_state *crtc_state, - struct intel_encoder *encoder) +static bool skl_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); struct intel_shared_dpll *pll; bool bret; @@ -1396,32 +1436,37 @@ skl_get_dpll(struct intel_crtc_state *crtc_state, bret = skl_ddi_hdmi_pll_dividers(crtc_state); if (!bret) { DRM_DEBUG_KMS("Could not get HDMI pll dividers.\n"); - return NULL; + return false; } } else if (intel_crtc_has_dp_encoder(crtc_state)) { bret = skl_ddi_dp_set_dpll_hw_state(crtc_state); if (!bret) { DRM_DEBUG_KMS("Could not set DP dpll HW state.\n"); - return NULL; + return false; } } else { - return NULL; + return false; } if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) - pll = intel_find_shared_dpll(crtc_state, + pll = intel_find_shared_dpll(state, crtc, + &crtc_state->dpll_hw_state, DPLL_ID_SKL_DPLL0, DPLL_ID_SKL_DPLL0); else - pll = intel_find_shared_dpll(crtc_state, + pll = intel_find_shared_dpll(state, crtc, + &crtc_state->dpll_hw_state, DPLL_ID_SKL_DPLL1, DPLL_ID_SKL_DPLL3); if (!pll) - return NULL; + return false; - intel_reference_shared_dpll(pll, crtc_state); + intel_reference_shared_dpll(state, crtc, + pll, &crtc_state->dpll_hw_state); - return pll; + crtc_state->shared_dpll = pll; + + return true; } static void skl_dump_hw_state(struct drm_i915_private *dev_priv, @@ -1827,22 +1872,23 @@ bxt_ddi_hdmi_set_dpll_hw_state(struct intel_crtc_state *crtc_state) return bxt_ddi_set_dpll_hw_state(crtc_state, &clk_div); } -static struct intel_shared_dpll * -bxt_get_dpll(struct intel_crtc_state *crtc_state, - struct intel_encoder *encoder) +static bool bxt_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); struct intel_shared_dpll *pll; enum intel_dpll_id id; if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) && !bxt_ddi_hdmi_set_dpll_hw_state(crtc_state)) - return NULL; + return false; if (intel_crtc_has_dp_encoder(crtc_state) && !bxt_ddi_dp_set_dpll_hw_state(crtc_state)) - return NULL; + return false; /* 1:1 mapping between ports and PLLs */ id = (enum intel_dpll_id) encoder->port; @@ -1851,9 +1897,12 @@ bxt_get_dpll(struct intel_crtc_state *crtc_state, DRM_DEBUG_KMS("[CRTC:%d:%s] using pre-allocated %s\n", crtc->base.base.id, crtc->base.name, pll->info->name); - intel_reference_shared_dpll(pll, crtc_state); + intel_reference_shared_dpll(state, crtc, + pll, &crtc_state->dpll_hw_state); - return pll; + crtc_state->shared_dpll = pll; + + return true; } static void bxt_dump_hw_state(struct drm_i915_private *dev_priv, @@ -1884,9 +1933,14 @@ static const struct intel_shared_dpll_funcs bxt_ddi_pll_funcs = { struct intel_dpll_mgr { const struct dpll_info *dpll_info; - struct intel_shared_dpll *(*get_dpll)(struct intel_crtc_state *crtc_state, - struct intel_encoder *encoder); - + bool (*get_dplls)(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder); + void (*put_dplls)(struct intel_atomic_state *state, + struct intel_crtc *crtc); + void (*update_active_dpll)(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder); void (*dump_hw_state)(struct drm_i915_private *dev_priv, const struct intel_dpll_hw_state *hw_state); }; @@ -1899,7 +1953,8 @@ static const struct dpll_info pch_plls[] = { static const struct intel_dpll_mgr pch_pll_mgr = { .dpll_info = pch_plls, - .get_dpll = ibx_get_dpll, + .get_dplls = ibx_get_dpll, + .put_dplls = intel_put_dpll, .dump_hw_state = ibx_dump_hw_state, }; @@ -1915,7 +1970,8 @@ static const struct dpll_info hsw_plls[] = { static const struct intel_dpll_mgr hsw_pll_mgr = { .dpll_info = hsw_plls, - .get_dpll = hsw_get_dpll, + .get_dplls = hsw_get_dpll, + .put_dplls = intel_put_dpll, .dump_hw_state = hsw_dump_hw_state, }; @@ -1929,7 +1985,8 @@ static const struct dpll_info skl_plls[] = { static const struct intel_dpll_mgr skl_pll_mgr = { .dpll_info = skl_plls, - .get_dpll = skl_get_dpll, + .get_dplls = skl_get_dpll, + .put_dplls = intel_put_dpll, .dump_hw_state = skl_dump_hw_state, }; @@ -1942,7 +1999,8 @@ static const struct dpll_info bxt_plls[] = { static const struct intel_dpll_mgr bxt_pll_mgr = { .dpll_info = bxt_plls, - .get_dpll = bxt_get_dpll, + .get_dplls = bxt_get_dpll, + .put_dplls = intel_put_dpll, .dump_hw_state = bxt_dump_hw_state, }; @@ -2332,10 +2390,12 @@ cnl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state) return true; } -static struct intel_shared_dpll * -cnl_get_dpll(struct intel_crtc_state *crtc_state, - struct intel_encoder *encoder) +static bool cnl_get_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); struct intel_shared_dpll *pll; bool bret; @@ -2343,31 +2403,35 @@ cnl_get_dpll(struct intel_crtc_state *crtc_state, bret = cnl_ddi_hdmi_pll_dividers(crtc_state); if (!bret) { DRM_DEBUG_KMS("Could not get HDMI pll dividers.\n"); - return NULL; + return false; } } else if (intel_crtc_has_dp_encoder(crtc_state)) { bret = cnl_ddi_dp_set_dpll_hw_state(crtc_state); if (!bret) { DRM_DEBUG_KMS("Could not set DP dpll HW state.\n"); - return NULL; + return false; } } else { DRM_DEBUG_KMS("Skip DPLL setup for output_types 0x%x\n", crtc_state->output_types); - return NULL; + return false; } - pll = intel_find_shared_dpll(crtc_state, + pll = intel_find_shared_dpll(state, crtc, + &crtc_state->dpll_hw_state, DPLL_ID_SKL_DPLL0, DPLL_ID_SKL_DPLL2); if (!pll) { DRM_DEBUG_KMS("No PLL selected\n"); - return NULL; + return false; } - intel_reference_shared_dpll(pll, crtc_state); + intel_reference_shared_dpll(state, crtc, + pll, &crtc_state->dpll_hw_state); - return pll; + crtc_state->shared_dpll = pll; + + return true; } static void cnl_dump_hw_state(struct drm_i915_private *dev_priv, @@ -2394,7 +2458,8 @@ static const struct dpll_info cnl_plls[] = { static const struct intel_dpll_mgr cnl_pll_mgr = { .dpll_info = cnl_plls, - .get_dpll = cnl_get_dpll, + .get_dplls = cnl_get_dpll, + .put_dplls = intel_put_dpll, .dump_hw_state = cnl_dump_hw_state, }; @@ -2506,14 +2571,16 @@ static bool icl_calc_tbt_pll(struct intel_crtc_state *crtc_state, } static bool icl_calc_dpll_state(struct intel_crtc_state *crtc_state, - struct intel_encoder *encoder) + struct intel_encoder *encoder, + struct intel_dpll_hw_state *pll_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); u32 cfgcr0, cfgcr1; struct skl_wrpll_params pll_params = { 0 }; bool ret; - if (intel_port_is_tc(dev_priv, encoder->port)) + if (intel_phy_is_tc(dev_priv, intel_port_to_phy(dev_priv, + encoder->port))) ret = icl_calc_tbt_pll(crtc_state, &pll_params); else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) || intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) @@ -2530,14 +2597,17 @@ static bool icl_calc_dpll_state(struct intel_crtc_state *crtc_state, cfgcr1 = DPLL_CFGCR1_QDIV_RATIO(pll_params.qdiv_ratio) | DPLL_CFGCR1_QDIV_MODE(pll_params.qdiv_mode) | DPLL_CFGCR1_KDIV(pll_params.kdiv) | - DPLL_CFGCR1_PDIV(pll_params.pdiv) | - DPLL_CFGCR1_CENTRAL_FREQ_8400; + DPLL_CFGCR1_PDIV(pll_params.pdiv); - memset(&crtc_state->dpll_hw_state, 0, - sizeof(crtc_state->dpll_hw_state)); + if (INTEL_GEN(dev_priv) >= 12) + cfgcr1 |= TGL_DPLL_CFGCR1_CFSELOVRD_NORMAL_XTAL; + else + cfgcr1 |= DPLL_CFGCR1_CENTRAL_FREQ_8400; - crtc_state->dpll_hw_state.cfgcr0 = cfgcr0; - crtc_state->dpll_hw_state.cfgcr1 = cfgcr1; + memset(pll_state, 0, sizeof(*pll_state)); + + pll_state->cfgcr0 = cfgcr0; + pll_state->cfgcr1 = cfgcr1; return true; } @@ -2627,10 +2697,10 @@ static bool icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc, * The specification for this function uses real numbers, so the math had to be * adapted to integer-only calculation, that's why it looks so different. */ -static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state) +static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state, + struct intel_dpll_hw_state *pll_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); - struct intel_dpll_hw_state *pll_state = &crtc_state->dpll_hw_state; int refclk_khz = dev_priv->cdclk.hw.ref; int clock = crtc_state->port_clock; u32 dco_khz, m1div, m2div_int, m2div_rem, m2div_frac; @@ -2792,63 +2862,184 @@ static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state) return true; } -static struct intel_shared_dpll * -icl_get_dpll(struct intel_crtc_state *crtc_state, - struct intel_encoder *encoder) +/** + * icl_set_active_port_dpll - select the active port DPLL for a given CRTC + * @crtc_state: state for the CRTC to select the DPLL for + * @port_dpll_id: the active @port_dpll_id to select + * + * Select the given @port_dpll_id instance from the DPLLs reserved for the + * CRTC. + */ +void icl_set_active_port_dpll(struct intel_crtc_state *crtc_state, + enum icl_port_dpll_id port_dpll_id) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); - struct intel_digital_port *intel_dig_port; - struct intel_shared_dpll *pll; + struct icl_port_dpll *port_dpll = + &crtc_state->icl_port_dplls[port_dpll_id]; + + crtc_state->shared_dpll = port_dpll->pll; + crtc_state->dpll_hw_state = port_dpll->hw_state; +} + +static void icl_update_active_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) +{ + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + struct intel_digital_port *primary_port; + enum icl_port_dpll_id port_dpll_id = ICL_PORT_DPLL_DEFAULT; + + primary_port = encoder->type == INTEL_OUTPUT_DP_MST ? + enc_to_mst(&encoder->base)->primary : + enc_to_dig_port(&encoder->base); + + if (primary_port && + (primary_port->tc_mode == TC_PORT_DP_ALT || + primary_port->tc_mode == TC_PORT_LEGACY)) + port_dpll_id = ICL_PORT_DPLL_MG_PHY; + + icl_set_active_port_dpll(crtc_state, port_dpll_id); +} + +static bool icl_get_combo_phy_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) +{ + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + struct icl_port_dpll *port_dpll = + &crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT]; + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum port port = encoder->port; - enum intel_dpll_id min, max; - bool ret; + bool has_dpll4 = false; - if (intel_port_is_combophy(dev_priv, port)) { - min = DPLL_ID_ICL_DPLL0; - max = DPLL_ID_ICL_DPLL1; - ret = icl_calc_dpll_state(crtc_state, encoder); - } else if (intel_port_is_tc(dev_priv, port)) { - if (encoder->type == INTEL_OUTPUT_DP_MST) { - struct intel_dp_mst_encoder *mst_encoder; + if (!icl_calc_dpll_state(crtc_state, encoder, &port_dpll->hw_state)) { + DRM_DEBUG_KMS("Could not calculate combo PHY PLL state.\n"); - mst_encoder = enc_to_mst(&encoder->base); - intel_dig_port = mst_encoder->primary; - } else { - intel_dig_port = enc_to_dig_port(&encoder->base); - } + return false; + } - if (intel_dig_port->tc_type == TC_PORT_TBT) { - min = DPLL_ID_ICL_TBTPLL; - max = min; - ret = icl_calc_dpll_state(crtc_state, encoder); - } else { - enum tc_port tc_port; + if (IS_ELKHARTLAKE(dev_priv) && port != PORT_A) + has_dpll4 = true; + + port_dpll->pll = intel_find_shared_dpll(state, crtc, + &port_dpll->hw_state, + DPLL_ID_ICL_DPLL0, + has_dpll4 ? DPLL_ID_EHL_DPLL4 + : DPLL_ID_ICL_DPLL1); + if (!port_dpll->pll) { + DRM_DEBUG_KMS("No combo PHY PLL found for port %c\n", + port_name(encoder->port)); + return false; + } - tc_port = intel_port_to_tc(dev_priv, port); - min = icl_tc_port_to_pll_id(tc_port); - max = min; - ret = icl_calc_mg_pll_state(crtc_state); - } - } else { - MISSING_CASE(port); - return NULL; + intel_reference_shared_dpll(state, crtc, + port_dpll->pll, &port_dpll->hw_state); + + icl_update_active_dpll(state, crtc, encoder); + + return true; +} + +static bool icl_get_tc_phy_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + struct icl_port_dpll *port_dpll; + enum intel_dpll_id dpll_id; + + port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT]; + if (!icl_calc_dpll_state(crtc_state, encoder, &port_dpll->hw_state)) { + DRM_DEBUG_KMS("Could not calculate TBT PLL state.\n"); + return false; } - if (!ret) { - DRM_DEBUG_KMS("Could not calculate PLL state.\n"); - return NULL; + port_dpll->pll = intel_find_shared_dpll(state, crtc, + &port_dpll->hw_state, + DPLL_ID_ICL_TBTPLL, + DPLL_ID_ICL_TBTPLL); + if (!port_dpll->pll) { + DRM_DEBUG_KMS("No TBT-ALT PLL found\n"); + return false; } + intel_reference_shared_dpll(state, crtc, + port_dpll->pll, &port_dpll->hw_state); - pll = intel_find_shared_dpll(crtc_state, min, max); - if (!pll) { - DRM_DEBUG_KMS("No PLL selected\n"); - return NULL; + port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_MG_PHY]; + if (!icl_calc_mg_pll_state(crtc_state, &port_dpll->hw_state)) { + DRM_DEBUG_KMS("Could not calculate MG PHY PLL state.\n"); + goto err_unreference_tbt_pll; } - intel_reference_shared_dpll(pll, crtc_state); + dpll_id = icl_tc_port_to_pll_id(intel_port_to_tc(dev_priv, + encoder->port)); + port_dpll->pll = intel_find_shared_dpll(state, crtc, + &port_dpll->hw_state, + dpll_id, + dpll_id); + if (!port_dpll->pll) { + DRM_DEBUG_KMS("No MG PHY PLL found\n"); + goto err_unreference_tbt_pll; + } + intel_reference_shared_dpll(state, crtc, + port_dpll->pll, &port_dpll->hw_state); - return pll; + icl_update_active_dpll(state, crtc, encoder); + + return true; + +err_unreference_tbt_pll: + port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT]; + intel_unreference_shared_dpll(state, crtc, port_dpll->pll); + + return false; +} + +static bool icl_get_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + + if (intel_phy_is_combo(dev_priv, phy)) + return icl_get_combo_phy_dpll(state, crtc, encoder); + else if (intel_phy_is_tc(dev_priv, phy)) + return icl_get_tc_phy_dplls(state, crtc, encoder); + + MISSING_CASE(phy); + + return false; +} + +static void icl_put_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + const struct intel_crtc_state *old_crtc_state = + intel_atomic_get_old_crtc_state(state, crtc); + struct intel_crtc_state *new_crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + enum icl_port_dpll_id id; + + new_crtc_state->shared_dpll = NULL; + + for (id = ICL_PORT_DPLL_DEFAULT; id < ICL_PORT_DPLL_COUNT; id++) { + const struct icl_port_dpll *old_port_dpll = + &old_crtc_state->icl_port_dplls[id]; + struct icl_port_dpll *new_port_dpll = + &new_crtc_state->icl_port_dplls[id]; + + new_port_dpll->pll = NULL; + + if (!old_port_dpll->pll) + continue; + + intel_unreference_shared_dpll(state, crtc, old_port_dpll->pll); + } } static bool mg_pll_get_hw_state(struct drm_i915_private *dev_priv, @@ -2932,8 +3123,18 @@ static bool icl_pll_get_hw_state(struct drm_i915_private *dev_priv, if (!(val & PLL_ENABLE)) goto out; - hw_state->cfgcr0 = I915_READ(ICL_DPLL_CFGCR0(id)); - hw_state->cfgcr1 = I915_READ(ICL_DPLL_CFGCR1(id)); + if (INTEL_GEN(dev_priv) >= 12) { + hw_state->cfgcr0 = I915_READ(TGL_DPLL_CFGCR0(id)); + hw_state->cfgcr1 = I915_READ(TGL_DPLL_CFGCR1(id)); + } else { + if (IS_ELKHARTLAKE(dev_priv) && id == DPLL_ID_EHL_DPLL4) { + hw_state->cfgcr0 = I915_READ(ICL_DPLL_CFGCR0(4)); + hw_state->cfgcr1 = I915_READ(ICL_DPLL_CFGCR1(4)); + } else { + hw_state->cfgcr0 = I915_READ(ICL_DPLL_CFGCR0(id)); + hw_state->cfgcr1 = I915_READ(ICL_DPLL_CFGCR1(id)); + } + } ret = true; out: @@ -2945,8 +3146,14 @@ static bool combo_pll_get_hw_state(struct drm_i915_private *dev_priv, struct intel_shared_dpll *pll, struct intel_dpll_hw_state *hw_state) { - return icl_pll_get_hw_state(dev_priv, pll, hw_state, - CNL_DPLL_ENABLE(pll->info->id)); + i915_reg_t enable_reg = CNL_DPLL_ENABLE(pll->info->id); + + if (IS_ELKHARTLAKE(dev_priv) && + pll->info->id == DPLL_ID_EHL_DPLL4) { + enable_reg = MG_PLL_ENABLE(0); + } + + return icl_pll_get_hw_state(dev_priv, pll, hw_state, enable_reg); } static bool tbt_pll_get_hw_state(struct drm_i915_private *dev_priv, @@ -2961,10 +3168,24 @@ static void icl_dpll_write(struct drm_i915_private *dev_priv, { struct intel_dpll_hw_state *hw_state = &pll->state.hw_state; const enum intel_dpll_id id = pll->info->id; + i915_reg_t cfgcr0_reg, cfgcr1_reg; - I915_WRITE(ICL_DPLL_CFGCR0(id), hw_state->cfgcr0); - I915_WRITE(ICL_DPLL_CFGCR1(id), hw_state->cfgcr1); - POSTING_READ(ICL_DPLL_CFGCR1(id)); + if (INTEL_GEN(dev_priv) >= 12) { + cfgcr0_reg = TGL_DPLL_CFGCR0(id); + cfgcr1_reg = TGL_DPLL_CFGCR1(id); + } else { + if (IS_ELKHARTLAKE(dev_priv) && id == DPLL_ID_EHL_DPLL4) { + cfgcr0_reg = ICL_DPLL_CFGCR0(4); + cfgcr1_reg = ICL_DPLL_CFGCR1(4); + } else { + cfgcr0_reg = ICL_DPLL_CFGCR0(id); + cfgcr1_reg = ICL_DPLL_CFGCR1(id); + } + } + + I915_WRITE(cfgcr0_reg, hw_state->cfgcr0); + I915_WRITE(cfgcr1_reg, hw_state->cfgcr1); + POSTING_READ(cfgcr1_reg); } static void icl_mg_pll_write(struct drm_i915_private *dev_priv, @@ -3057,6 +3278,19 @@ static void combo_pll_enable(struct drm_i915_private *dev_priv, { i915_reg_t enable_reg = CNL_DPLL_ENABLE(pll->info->id); + if (IS_ELKHARTLAKE(dev_priv) && + pll->info->id == DPLL_ID_EHL_DPLL4) { + enable_reg = MG_PLL_ENABLE(0); + + /* + * We need to disable DC states when this DPLL is enabled. + * This can be done by taking a reference on DPLL4 power + * domain. + */ + pll->wakeref = intel_display_power_get(dev_priv, + POWER_DOMAIN_DPLL_DC_OFF); + } + icl_pll_power_enable(dev_priv, pll, enable_reg); icl_dpll_write(dev_priv, pll); @@ -3152,7 +3386,19 @@ static void icl_pll_disable(struct drm_i915_private *dev_priv, static void combo_pll_disable(struct drm_i915_private *dev_priv, struct intel_shared_dpll *pll) { - icl_pll_disable(dev_priv, pll, CNL_DPLL_ENABLE(pll->info->id)); + i915_reg_t enable_reg = CNL_DPLL_ENABLE(pll->info->id); + + if (IS_ELKHARTLAKE(dev_priv) && + pll->info->id == DPLL_ID_EHL_DPLL4) { + enable_reg = MG_PLL_ENABLE(0); + icl_pll_disable(dev_priv, pll, enable_reg); + + intel_display_power_put(dev_priv, POWER_DOMAIN_DPLL_DC_OFF, + pll->wakeref); + return; + } + + icl_pll_disable(dev_priv, pll, enable_reg); } static void tbt_pll_disable(struct drm_i915_private *dev_priv, @@ -3223,19 +3469,38 @@ static const struct dpll_info icl_plls[] = { static const struct intel_dpll_mgr icl_pll_mgr = { .dpll_info = icl_plls, - .get_dpll = icl_get_dpll, + .get_dplls = icl_get_dplls, + .put_dplls = icl_put_dplls, + .update_active_dpll = icl_update_active_dpll, .dump_hw_state = icl_dump_hw_state, }; static const struct dpll_info ehl_plls[] = { { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 }, { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 }, + { "DPLL 4", &combo_pll_funcs, DPLL_ID_EHL_DPLL4, 0 }, { }, }; static const struct intel_dpll_mgr ehl_pll_mgr = { .dpll_info = ehl_plls, - .get_dpll = icl_get_dpll, + .get_dplls = icl_get_dplls, + .put_dplls = icl_put_dplls, + .dump_hw_state = icl_dump_hw_state, +}; + +static const struct dpll_info tgl_plls[] = { + { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 }, + { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 }, + { "TBT PLL", &tbt_pll_funcs, DPLL_ID_ICL_TBTPLL, 0 }, + /* TODO: Add typeC plls */ + { }, +}; + +static const struct intel_dpll_mgr tgl_pll_mgr = { + .dpll_info = tgl_plls, + .get_dplls = icl_get_dplls, + .put_dplls = icl_put_dplls, .dump_hw_state = icl_dump_hw_state, }; @@ -3252,7 +3517,9 @@ void intel_shared_dpll_init(struct drm_device *dev) const struct dpll_info *dpll_info; int i; - if (IS_ELKHARTLAKE(dev_priv)) + if (INTEL_GEN(dev_priv) >= 12) + dpll_mgr = &tgl_pll_mgr; + else if (IS_ELKHARTLAKE(dev_priv)) dpll_mgr = &ehl_pll_mgr; else if (INTEL_GEN(dev_priv) >= 11) dpll_mgr = &icl_pll_mgr; @@ -3287,50 +3554,87 @@ void intel_shared_dpll_init(struct drm_device *dev) } /** - * intel_get_shared_dpll - get a shared DPLL for CRTC and encoder combination - * @crtc_state: atomic state for the crtc + * intel_reserve_shared_dplls - reserve DPLLs for CRTC and encoder combination + * @state: atomic state + * @crtc: CRTC to reserve DPLLs for * @encoder: encoder * - * Find an appropriate DPLL for the given CRTC and encoder combination. A - * reference from the @crtc_state to the returned pll is registered in the - * atomic state. That configuration is made effective by calling - * intel_shared_dpll_swap_state(). The reference should be released by calling - * intel_release_shared_dpll(). + * This function reserves all required DPLLs for the given CRTC and encoder + * combination in the current atomic commit @state and the new @crtc atomic + * state. + * + * The new configuration in the atomic commit @state is made effective by + * calling intel_shared_dpll_swap_state(). + * + * The reserved DPLLs should be released by calling + * intel_release_shared_dplls(). * * Returns: - * A shared DPLL to be used by @crtc_state and @encoder. + * True if all required DPLLs were successfully reserved. */ -struct intel_shared_dpll * -intel_get_shared_dpll(struct intel_crtc_state *crtc_state, - struct intel_encoder *encoder) +bool intel_reserve_shared_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + struct drm_i915_private *dev_priv = to_i915(state->base.dev); const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll_mgr; if (WARN_ON(!dpll_mgr)) - return NULL; + return false; - return dpll_mgr->get_dpll(crtc_state, encoder); + return dpll_mgr->get_dplls(state, crtc, encoder); } /** - * intel_release_shared_dpll - end use of DPLL by CRTC in atomic state - * @dpll: dpll in use by @crtc - * @crtc: crtc + * intel_release_shared_dplls - end use of DPLLs by CRTC in atomic state * @state: atomic state + * @crtc: crtc from which the DPLLs are to be released * - * This function releases the reference from @crtc to @dpll from the - * atomic @state. The new configuration is made effective by calling - * intel_shared_dpll_swap_state(). + * This function releases all DPLLs reserved by intel_reserve_shared_dplls() + * from the current atomic commit @state and the old @crtc atomic state. + * + * The new configuration in the atomic commit @state is made effective by + * calling intel_shared_dpll_swap_state(). */ -void intel_release_shared_dpll(struct intel_shared_dpll *dpll, - struct intel_crtc *crtc, - struct drm_atomic_state *state) +void intel_release_shared_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc) { - struct intel_shared_dpll_state *shared_dpll_state; + struct drm_i915_private *dev_priv = to_i915(state->base.dev); + const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll_mgr; + + /* + * FIXME: this function is called for every platform having a + * compute_clock hook, even though the platform doesn't yet support + * the shared DPLL framework and intel_reserve_shared_dplls() is not + * called on those. + */ + if (!dpll_mgr) + return; + + dpll_mgr->put_dplls(state, crtc); +} + +/** + * intel_update_active_dpll - update the active DPLL for a CRTC/encoder + * @state: atomic state + * @crtc: the CRTC for which to update the active DPLL + * @encoder: encoder determining the type of port DPLL + * + * Update the active DPLL for the given @crtc/@encoder in @crtc's atomic state, + * from the port DPLLs reserved previously by intel_reserve_shared_dplls(). The + * DPLL selected will be based on the current mode of the encoder's port. + */ +void intel_update_active_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll_mgr; + + if (WARN_ON(!dpll_mgr)) + return; - shared_dpll_state = intel_atomic_get_shared_dpll_state(state); - shared_dpll_state[dpll->info->id].crtc_mask &= ~(1 << crtc->pipe); + dpll_mgr->update_active_dpll(state, crtc, encoder); } /** diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h index d0570414f3d1..e7588799fce5 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h @@ -28,6 +28,7 @@ #include <linux/types.h> #include "intel_display.h" +#include "intel_wakeref.h" /*FIXME: Move this to a more appropriate place. */ #define abs_diff(a, b) ({ \ @@ -36,9 +37,9 @@ (void) (&__a == &__b); \ __a > __b ? (__a - __b) : (__b - __a); }) -struct drm_atomic_state; struct drm_device; struct drm_i915_private; +struct intel_atomic_state; struct intel_crtc; struct intel_crtc_state; struct intel_encoder; @@ -110,35 +111,59 @@ enum intel_dpll_id { /** - * @DPLL_ID_ICL_DPLL0: ICL combo PHY DPLL0 + * @DPLL_ID_ICL_DPLL0: ICL/TGL combo PHY DPLL0 */ DPLL_ID_ICL_DPLL0 = 0, /** - * @DPLL_ID_ICL_DPLL1: ICL combo PHY DPLL1 + * @DPLL_ID_ICL_DPLL1: ICL/TGL combo PHY DPLL1 */ DPLL_ID_ICL_DPLL1 = 1, /** - * @DPLL_ID_ICL_TBTPLL: ICL TBT PLL + * @DPLL_ID_EHL_DPLL4: EHL combo PHY DPLL4 + */ + DPLL_ID_EHL_DPLL4 = 2, + /** + * @DPLL_ID_ICL_TBTPLL: ICL/TGL TBT PLL */ DPLL_ID_ICL_TBTPLL = 2, /** - * @DPLL_ID_ICL_MGPLL1: ICL MG PLL 1 port 1 (C) + * @DPLL_ID_ICL_MGPLL1: ICL MG PLL 1 port 1 (C), + * TGL TC PLL 1 port 1 (TC1) */ DPLL_ID_ICL_MGPLL1 = 3, /** * @DPLL_ID_ICL_MGPLL2: ICL MG PLL 1 port 2 (D) + * TGL TC PLL 1 port 2 (TC2) */ DPLL_ID_ICL_MGPLL2 = 4, /** * @DPLL_ID_ICL_MGPLL3: ICL MG PLL 1 port 3 (E) + * TGL TC PLL 1 port 3 (TC3) */ DPLL_ID_ICL_MGPLL3 = 5, /** * @DPLL_ID_ICL_MGPLL4: ICL MG PLL 1 port 4 (F) + * TGL TC PLL 1 port 4 (TC4) */ DPLL_ID_ICL_MGPLL4 = 6, + /** + * @DPLL_ID_TGL_TCPLL5: TGL TC PLL port 5 (TC5) + */ + DPLL_ID_TGL_MGPLL5 = 7, + /** + * @DPLL_ID_TGL_TCPLL6: TGL TC PLL port 6 (TC6) + */ + DPLL_ID_TGL_MGPLL6 = 8, +}; + +#define I915_NUM_PLLS 9 + +enum icl_port_dpll_id { + ICL_PORT_DPLL_DEFAULT, + ICL_PORT_DPLL_MG_PHY, + + ICL_PORT_DPLL_COUNT, }; -#define I915_NUM_PLLS 7 struct intel_dpll_hw_state { /* i9xx, pch plls */ @@ -195,7 +220,7 @@ struct intel_dpll_hw_state { * future state which would be applied by an atomic mode set (stored in * a struct &intel_atomic_state). * - * See also intel_get_shared_dpll() and intel_release_shared_dpll(). + * See also intel_reserve_shared_dplls() and intel_release_shared_dplls(). */ struct intel_shared_dpll_state { /** @@ -312,6 +337,7 @@ struct intel_shared_dpll { * @info: platform specific info */ const struct dpll_info *info; + intel_wakeref_t wakeref; }; #define SKL_DPLL0 0 @@ -331,15 +357,20 @@ void assert_shared_dpll(struct drm_i915_private *dev_priv, bool state); #define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true) #define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false) -struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc_state *state, - struct intel_encoder *encoder); -void intel_release_shared_dpll(struct intel_shared_dpll *dpll, - struct intel_crtc *crtc, - struct drm_atomic_state *state); +bool intel_reserve_shared_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder); +void intel_release_shared_dplls(struct intel_atomic_state *state, + struct intel_crtc *crtc); +void icl_set_active_port_dpll(struct intel_crtc_state *crtc_state, + enum icl_port_dpll_id port_dpll_id); +void intel_update_active_dpll(struct intel_atomic_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder); void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state); void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state); void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state); -void intel_shared_dpll_swap_state(struct drm_atomic_state *state); +void intel_shared_dpll_swap_state(struct intel_atomic_state *state); void intel_shared_dpll_init(struct drm_device *dev); void intel_dpll_dump_hw_state(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/display/intel_dsi.h b/drivers/gpu/drm/i915/display/intel_dsi.h index 6d20434636cd..1cd24bd46518 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi.h +++ b/drivers/gpu/drm/i915/display/intel_dsi.h @@ -49,8 +49,11 @@ struct intel_dsi { struct intel_connector *attached_connector; - /* bit mask of ports being driven */ - u16 ports; + /* bit mask of ports (vlv dsi) or phys (icl dsi) being driven */ + union { + u16 ports; /* VLV DSI */ + u16 phys; /* ICL DSI */ + }; /* if true, use HS mode, otherwise LP */ bool hs; @@ -132,7 +135,10 @@ static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h) return container_of(h, struct intel_dsi_host, base); } -#define for_each_dsi_port(__port, __ports_mask) for_each_port_masked(__port, __ports_mask) +#define for_each_dsi_port(__port, __ports_mask) \ + for_each_port_masked(__port, __ports_mask) +#define for_each_dsi_phy(__phy, __phys_mask) \ + for_each_phy_masked(__phy, __phys_mask) static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder) { diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c index 4f6a9bd5af47..b42c79aea61a 100644 --- a/drivers/gpu/drm/i915/display/intel_gmbus.c +++ b/drivers/gpu/drm/i915/display/intel_gmbus.c @@ -94,11 +94,25 @@ static const struct gmbus_pin gmbus_pins_mcc[] = { [GMBUS_PIN_9_TC1_ICP] = { "dpc", GPIOJ }, }; +static const struct gmbus_pin gmbus_pins_tgp[] = { + [GMBUS_PIN_1_BXT] = { "dpa", GPIOB }, + [GMBUS_PIN_2_BXT] = { "dpb", GPIOC }, + [GMBUS_PIN_3_BXT] = { "dpc", GPIOD }, + [GMBUS_PIN_9_TC1_ICP] = { "tc1", GPIOJ }, + [GMBUS_PIN_10_TC2_ICP] = { "tc2", GPIOK }, + [GMBUS_PIN_11_TC3_ICP] = { "tc3", GPIOL }, + [GMBUS_PIN_12_TC4_ICP] = { "tc4", GPIOM }, + [GMBUS_PIN_13_TC5_TGP] = { "tc5", GPION }, + [GMBUS_PIN_14_TC6_TGP] = { "tc6", GPIOO }, +}; + /* pin is expected to be valid */ static const struct gmbus_pin *get_gmbus_pin(struct drm_i915_private *dev_priv, unsigned int pin) { - if (HAS_PCH_MCC(dev_priv)) + if (HAS_PCH_TGP(dev_priv)) + return &gmbus_pins_tgp[pin]; + else if (HAS_PCH_MCC(dev_priv)) return &gmbus_pins_mcc[pin]; else if (HAS_PCH_ICP(dev_priv)) return &gmbus_pins_icp[pin]; @@ -119,7 +133,9 @@ bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv, { unsigned int size; - if (HAS_PCH_MCC(dev_priv)) + if (HAS_PCH_TGP(dev_priv)) + size = ARRAY_SIZE(gmbus_pins_tgp); + else if (HAS_PCH_MCC(dev_priv)) size = ARRAY_SIZE(gmbus_pins_mcc); else if (HAS_PCH_ICP(dev_priv)) size = ARRAY_SIZE(gmbus_pins_icp); diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index bc3a94d491c4..a78139f9e847 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -523,12 +523,16 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector) * authentication. */ num_downstream = DRM_HDCP_NUM_DOWNSTREAM(bstatus[0]); - if (num_downstream == 0) + if (num_downstream == 0) { + DRM_DEBUG_KMS("Repeater with zero downstream devices\n"); return -EINVAL; + } ksv_fifo = kcalloc(DRM_HDCP_KSV_LEN, num_downstream, GFP_KERNEL); - if (!ksv_fifo) + if (!ksv_fifo) { + DRM_DEBUG_KMS("Out of mem: ksv_fifo\n"); return -ENOMEM; + } ret = shim->read_ksv_fifo(intel_dig_port, num_downstream, ksv_fifo); if (ret) @@ -1206,8 +1210,10 @@ static int hdcp2_authentication_key_exchange(struct intel_connector *connector) if (ret < 0) return ret; - if (msgs.send_cert.rx_caps[0] != HDCP_2_2_RX_CAPS_VERSION_VAL) + if (msgs.send_cert.rx_caps[0] != HDCP_2_2_RX_CAPS_VERSION_VAL) { + DRM_DEBUG_KMS("cert.rx_caps dont claim HDCP2.2\n"); return -EINVAL; + } hdcp->is_repeater = HDCP_2_2_RX_REPEATER(msgs.send_cert.rx_caps[2]); diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 0ebec69bbbfc..9bf28de10401 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -2930,51 +2930,34 @@ static u8 cnp_port_to_ddc_pin(struct drm_i915_private *dev_priv, static u8 icl_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) { - u8 ddc_pin; + enum phy phy = intel_port_to_phy(dev_priv, port); - switch (port) { - case PORT_A: - ddc_pin = GMBUS_PIN_1_BXT; - break; - case PORT_B: - ddc_pin = GMBUS_PIN_2_BXT; - break; - case PORT_C: - ddc_pin = GMBUS_PIN_9_TC1_ICP; - break; - case PORT_D: - ddc_pin = GMBUS_PIN_10_TC2_ICP; - break; - case PORT_E: - ddc_pin = GMBUS_PIN_11_TC3_ICP; - break; - case PORT_F: - ddc_pin = GMBUS_PIN_12_TC4_ICP; - break; - default: - MISSING_CASE(port); - ddc_pin = GMBUS_PIN_2_BXT; - break; - } - return ddc_pin; + if (intel_phy_is_combo(dev_priv, phy)) + return GMBUS_PIN_1_BXT + port; + else if (intel_phy_is_tc(dev_priv, phy)) + return GMBUS_PIN_9_TC1_ICP + intel_port_to_tc(dev_priv, port); + + WARN(1, "Unknown port:%c\n", port_name(port)); + return GMBUS_PIN_2_BXT; } static u8 mcc_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) { + enum phy phy = intel_port_to_phy(dev_priv, port); u8 ddc_pin; - switch (port) { - case PORT_A: + switch (phy) { + case PHY_A: ddc_pin = GMBUS_PIN_1_BXT; break; - case PORT_B: + case PHY_B: ddc_pin = GMBUS_PIN_2_BXT; break; - case PORT_C: + case PHY_C: ddc_pin = GMBUS_PIN_9_TC1_ICP; break; default: - MISSING_CASE(port); + MISSING_CASE(phy); ddc_pin = GMBUS_PIN_1_BXT; break; } @@ -3019,7 +3002,7 @@ static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv, if (HAS_PCH_MCC(dev_priv)) ddc_pin = mcc_port_to_ddc_pin(dev_priv, port); - else if (HAS_PCH_ICP(dev_priv)) + else if (HAS_PCH_TGP(dev_priv) || HAS_PCH_ICP(dev_priv)) ddc_pin = icl_port_to_ddc_pin(dev_priv, port); else if (HAS_PCH_CNP(dev_priv)) ddc_pin = cnp_port_to_ddc_pin(dev_priv, port); @@ -3143,6 +3126,32 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, DRM_DEBUG_KMS("CEC notifier get failed\n"); } +static enum intel_hotplug_state +intel_hdmi_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector, bool irq_received) +{ + enum intel_hotplug_state state; + + state = intel_encoder_hotplug(encoder, connector, irq_received); + + /* + * On many platforms the HDMI live state signal is known to be + * unreliable, so we can't use it to detect if a sink is connected or + * not. Instead we detect if it's connected based on whether we can + * read the EDID or not. That in turn has a problem during disconnect, + * since the HPD interrupt may be raised before the DDC lines get + * disconnected (due to how the required length of DDC vs. HPD + * connector pins are specified) and so we'll still be able to get a + * valid EDID. To solve this schedule another detection cycle if this + * time around we didn't detect any change in the sink's connection + * status. + */ + if (state == INTEL_HOTPLUG_UNCHANGED && irq_received) + state = INTEL_HOTPLUG_RETRY; + + return state; +} + void intel_hdmi_init(struct drm_i915_private *dev_priv, i915_reg_t hdmi_reg, enum port port) { @@ -3166,7 +3175,7 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv, &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS, "HDMI %c", port_name(port)); - intel_encoder->hotplug = intel_encoder_hotplug; + intel_encoder->hotplug = intel_hdmi_hotplug; intel_encoder->compute_config = intel_hdmi_compute_config; if (HAS_PCH_SPLIT(dev_priv)) { intel_encoder->disable = pch_disable_hdmi; diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index ea3de4acc850..342587d91d57 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -112,6 +112,7 @@ enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv, #define HPD_STORM_DETECT_PERIOD 1000 #define HPD_STORM_REENABLE_DELAY (2 * 60 * 1000) +#define HPD_RETRY_DELAY 1000 /** * intel_hpd_irq_storm_detect - gather stats and detect HPD IRQ storm on a pin @@ -266,8 +267,10 @@ static void intel_hpd_irq_storm_reenable_work(struct work_struct *work) intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); } -bool intel_encoder_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector) +enum intel_hotplug_state +intel_encoder_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector, + bool irq_received) { struct drm_device *dev = connector->base.dev; enum drm_connector_status old_status; @@ -279,7 +282,7 @@ bool intel_encoder_hotplug(struct intel_encoder *encoder, drm_helper_probe_detect(&connector->base, NULL, false); if (old_status == connector->base.status) - return false; + return INTEL_HOTPLUG_UNCHANGED; DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %s to %s\n", connector->base.base.id, @@ -287,7 +290,7 @@ bool intel_encoder_hotplug(struct intel_encoder *encoder, drm_get_connector_status_name(old_status), drm_get_connector_status_name(connector->base.status)); - return true; + return INTEL_HOTPLUG_CHANGED; } static bool intel_encoder_has_hpd_pulse(struct intel_encoder *encoder) @@ -339,7 +342,7 @@ static void i915_digport_work_func(struct work_struct *work) spin_lock_irq(&dev_priv->irq_lock); dev_priv->hotplug.event_bits |= old_bits; spin_unlock_irq(&dev_priv->irq_lock); - schedule_work(&dev_priv->hotplug.hotplug_work); + queue_delayed_work(system_wq, &dev_priv->hotplug.hotplug_work, 0); } } @@ -349,14 +352,16 @@ static void i915_digport_work_func(struct work_struct *work) static void i915_hotplug_work_func(struct work_struct *work) { struct drm_i915_private *dev_priv = - container_of(work, struct drm_i915_private, hotplug.hotplug_work); + container_of(work, struct drm_i915_private, + hotplug.hotplug_work.work); struct drm_device *dev = &dev_priv->drm; struct intel_connector *intel_connector; struct intel_encoder *intel_encoder; struct drm_connector *connector; struct drm_connector_list_iter conn_iter; - bool changed = false; + u32 changed = 0, retry = 0; u32 hpd_event_bits; + u32 hpd_retry_bits; mutex_lock(&dev->mode_config.mutex); DRM_DEBUG_KMS("running encoder hotplug functions\n"); @@ -365,6 +370,8 @@ static void i915_hotplug_work_func(struct work_struct *work) hpd_event_bits = dev_priv->hotplug.event_bits; dev_priv->hotplug.event_bits = 0; + hpd_retry_bits = dev_priv->hotplug.retry_bits; + dev_priv->hotplug.retry_bits = 0; /* Enable polling for connectors which had HPD IRQ storms */ intel_hpd_irq_storm_switch_to_polling(dev_priv); @@ -373,16 +380,29 @@ static void i915_hotplug_work_func(struct work_struct *work) drm_connector_list_iter_begin(dev, &conn_iter); drm_for_each_connector_iter(connector, &conn_iter) { + u32 hpd_bit; + intel_connector = to_intel_connector(connector); if (!intel_connector->encoder) continue; intel_encoder = intel_connector->encoder; - if (hpd_event_bits & (1 << intel_encoder->hpd_pin)) { + hpd_bit = BIT(intel_encoder->hpd_pin); + if ((hpd_event_bits | hpd_retry_bits) & hpd_bit) { DRM_DEBUG_KMS("Connector %s (pin %i) received hotplug event.\n", connector->name, intel_encoder->hpd_pin); - changed |= intel_encoder->hotplug(intel_encoder, - intel_connector); + switch (intel_encoder->hotplug(intel_encoder, + intel_connector, + hpd_event_bits & hpd_bit)) { + case INTEL_HOTPLUG_UNCHANGED: + break; + case INTEL_HOTPLUG_CHANGED: + changed |= hpd_bit; + break; + case INTEL_HOTPLUG_RETRY: + retry |= hpd_bit; + break; + } } } drm_connector_list_iter_end(&conn_iter); @@ -390,6 +410,17 @@ static void i915_hotplug_work_func(struct work_struct *work) if (changed) drm_kms_helper_hotplug_event(dev); + + /* Remove shared HPD pins that have changed */ + retry &= ~changed; + if (retry) { + spin_lock_irq(&dev_priv->irq_lock); + dev_priv->hotplug.retry_bits |= retry; + spin_unlock_irq(&dev_priv->irq_lock); + + mod_delayed_work(system_wq, &dev_priv->hotplug.hotplug_work, + msecs_to_jiffies(HPD_RETRY_DELAY)); + } } @@ -516,7 +547,7 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, if (queue_dig) queue_work(dev_priv->hotplug.dp_wq, &dev_priv->hotplug.dig_port_work); if (queue_hp) - schedule_work(&dev_priv->hotplug.hotplug_work); + queue_delayed_work(system_wq, &dev_priv->hotplug.hotplug_work, 0); } /** @@ -636,7 +667,8 @@ void intel_hpd_poll_init(struct drm_i915_private *dev_priv) void intel_hpd_init_work(struct drm_i915_private *dev_priv) { - INIT_WORK(&dev_priv->hotplug.hotplug_work, i915_hotplug_work_func); + INIT_DELAYED_WORK(&dev_priv->hotplug.hotplug_work, + i915_hotplug_work_func); INIT_WORK(&dev_priv->hotplug.dig_port_work, i915_digport_work_func); INIT_WORK(&dev_priv->hotplug.poll_init_work, i915_hpd_poll_init_work); INIT_DELAYED_WORK(&dev_priv->hotplug.reenable_work, @@ -650,11 +682,12 @@ void intel_hpd_cancel_work(struct drm_i915_private *dev_priv) dev_priv->hotplug.long_port_mask = 0; dev_priv->hotplug.short_port_mask = 0; dev_priv->hotplug.event_bits = 0; + dev_priv->hotplug.retry_bits = 0; spin_unlock_irq(&dev_priv->irq_lock); cancel_work_sync(&dev_priv->hotplug.dig_port_work); - cancel_work_sync(&dev_priv->hotplug.hotplug_work); + cancel_delayed_work_sync(&dev_priv->hotplug.hotplug_work); cancel_work_sync(&dev_priv->hotplug.poll_init_work); cancel_delayed_work_sync(&dev_priv->hotplug.reenable_work); } diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.h b/drivers/gpu/drm/i915/display/intel_hotplug.h index 805f897dbb7a..b0cd447b7fbc 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.h +++ b/drivers/gpu/drm/i915/display/intel_hotplug.h @@ -15,8 +15,9 @@ struct intel_connector; struct intel_encoder; void intel_hpd_poll_init(struct drm_i915_private *dev_priv); -bool intel_encoder_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector); +enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector, + bool irq_received); void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 pin_mask, u32 long_mask); void intel_hpd_init(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c index 21339b7f6a3e..07929726b780 100644 --- a/drivers/gpu/drm/i915/display/intel_overlay.c +++ b/drivers/gpu/drm/i915/display/intel_overlay.c @@ -175,6 +175,7 @@ struct overlay_registers { struct intel_overlay { struct drm_i915_private *i915; + struct intel_context *context; struct intel_crtc *crtc; struct i915_vma *vma; struct i915_vma *old_vma; @@ -239,9 +240,7 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay, static struct i915_request *alloc_request(struct intel_overlay *overlay) { - struct intel_engine_cs *engine = overlay->i915->engine[RCS0]; - - return i915_request_create(engine->kernel_context); + return i915_request_create(overlay->context); } /* overlay needs to be disable in OCMD reg */ @@ -1359,11 +1358,16 @@ void intel_overlay_setup(struct drm_i915_private *dev_priv) if (!HAS_OVERLAY(dev_priv)) return; + if (!HAS_ENGINE(dev_priv, RCS0)) + return; + overlay = kzalloc(sizeof(*overlay), GFP_KERNEL); if (!overlay) return; overlay->i915 = dev_priv; + overlay->context = dev_priv->engine[RCS0]->kernel_context; + GEM_BUG_ON(!overlay->context); overlay->color_key = 0x0101fe; overlay->color_key_enabled = true; diff --git a/drivers/gpu/drm/i915/display/intel_pipe_crc.c b/drivers/gpu/drm/i915/display/intel_pipe_crc.c index 1e2c4307d05a..9a48f7a01e7e 100644 --- a/drivers/gpu/drm/i915/display/intel_pipe_crc.c +++ b/drivers/gpu/drm/i915/display/intel_pipe_crc.c @@ -667,5 +667,5 @@ void intel_crtc_disable_pipe_crc(struct intel_crtc *intel_crtc) I915_WRITE(PIPE_CRC_CTL(crtc->index), 0); POSTING_READ(PIPE_CRC_CTL(crtc->index)); - synchronize_irq(dev_priv->drm.irq); + intel_synchronize_irq(dev_priv); } diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index ceda03e5a3d4..c5e2dfd7ef80 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -274,130 +274,145 @@ static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch) return false; } -#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd} +#define SDVO_CMD_NAME_ENTRY(cmd_) { .cmd = SDVO_CMD_ ## cmd_, .name = #cmd_ } + /** Mapping of command numbers to names, for debug output */ -static const struct _sdvo_cmd_name { +static const struct { u8 cmd; const char *name; } __attribute__ ((packed)) sdvo_cmd_names[] = { - SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS), + SDVO_CMD_NAME_ENTRY(RESET), + SDVO_CMD_NAME_ENTRY(GET_DEVICE_CAPS), + SDVO_CMD_NAME_ENTRY(GET_FIRMWARE_REV), + SDVO_CMD_NAME_ENTRY(GET_TRAINED_INPUTS), + SDVO_CMD_NAME_ENTRY(GET_ACTIVE_OUTPUTS), + SDVO_CMD_NAME_ENTRY(SET_ACTIVE_OUTPUTS), + SDVO_CMD_NAME_ENTRY(GET_IN_OUT_MAP), + SDVO_CMD_NAME_ENTRY(SET_IN_OUT_MAP), + SDVO_CMD_NAME_ENTRY(GET_ATTACHED_DISPLAYS), + SDVO_CMD_NAME_ENTRY(GET_HOT_PLUG_SUPPORT), + SDVO_CMD_NAME_ENTRY(SET_ACTIVE_HOT_PLUG), + SDVO_CMD_NAME_ENTRY(GET_ACTIVE_HOT_PLUG), + SDVO_CMD_NAME_ENTRY(GET_INTERRUPT_EVENT_SOURCE), + SDVO_CMD_NAME_ENTRY(SET_TARGET_INPUT), + SDVO_CMD_NAME_ENTRY(SET_TARGET_OUTPUT), + SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART1), + SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART2), + SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART1), + SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART2), + SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART1), + SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART2), + SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART1), + SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART2), + SDVO_CMD_NAME_ENTRY(CREATE_PREFERRED_INPUT_TIMING), + SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART1), + SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART2), + SDVO_CMD_NAME_ENTRY(GET_INPUT_PIXEL_CLOCK_RANGE), + SDVO_CMD_NAME_ENTRY(GET_OUTPUT_PIXEL_CLOCK_RANGE), + SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_CLOCK_RATE_MULTS), + SDVO_CMD_NAME_ENTRY(GET_CLOCK_RATE_MULT), + SDVO_CMD_NAME_ENTRY(SET_CLOCK_RATE_MULT), + SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_TV_FORMATS), + SDVO_CMD_NAME_ENTRY(GET_TV_FORMAT), + SDVO_CMD_NAME_ENTRY(SET_TV_FORMAT), + SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_POWER_STATES), + SDVO_CMD_NAME_ENTRY(GET_POWER_STATE), + SDVO_CMD_NAME_ENTRY(SET_ENCODER_POWER_STATE), + SDVO_CMD_NAME_ENTRY(SET_DISPLAY_POWER_STATE), + SDVO_CMD_NAME_ENTRY(SET_CONTROL_BUS_SWITCH), + SDVO_CMD_NAME_ENTRY(GET_SDTV_RESOLUTION_SUPPORT), + SDVO_CMD_NAME_ENTRY(GET_SCALED_HDTV_RESOLUTION_SUPPORT), + SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_ENHANCEMENTS), /* Add the op code for SDVO enhancements */ - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER), + SDVO_CMD_NAME_ENTRY(GET_MAX_HPOS), + SDVO_CMD_NAME_ENTRY(GET_HPOS), + SDVO_CMD_NAME_ENTRY(SET_HPOS), + SDVO_CMD_NAME_ENTRY(GET_MAX_VPOS), + SDVO_CMD_NAME_ENTRY(GET_VPOS), + SDVO_CMD_NAME_ENTRY(SET_VPOS), + SDVO_CMD_NAME_ENTRY(GET_MAX_SATURATION), + SDVO_CMD_NAME_ENTRY(GET_SATURATION), + SDVO_CMD_NAME_ENTRY(SET_SATURATION), + SDVO_CMD_NAME_ENTRY(GET_MAX_HUE), + SDVO_CMD_NAME_ENTRY(GET_HUE), + SDVO_CMD_NAME_ENTRY(SET_HUE), + SDVO_CMD_NAME_ENTRY(GET_MAX_CONTRAST), + SDVO_CMD_NAME_ENTRY(GET_CONTRAST), + SDVO_CMD_NAME_ENTRY(SET_CONTRAST), + SDVO_CMD_NAME_ENTRY(GET_MAX_BRIGHTNESS), + SDVO_CMD_NAME_ENTRY(GET_BRIGHTNESS), + SDVO_CMD_NAME_ENTRY(SET_BRIGHTNESS), + SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_H), + SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_H), + SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_H), + SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_V), + SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_V), + SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_V), + SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER), + SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER), + SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER), + SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_ADAPTIVE), + SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_ADAPTIVE), + SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_ADAPTIVE), + SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_2D), + SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_2D), + SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_2D), + SDVO_CMD_NAME_ENTRY(GET_MAX_SHARPNESS), + SDVO_CMD_NAME_ENTRY(GET_SHARPNESS), + SDVO_CMD_NAME_ENTRY(SET_SHARPNESS), + SDVO_CMD_NAME_ENTRY(GET_DOT_CRAWL), + SDVO_CMD_NAME_ENTRY(SET_DOT_CRAWL), + SDVO_CMD_NAME_ENTRY(GET_MAX_TV_CHROMA_FILTER), + SDVO_CMD_NAME_ENTRY(GET_TV_CHROMA_FILTER), + SDVO_CMD_NAME_ENTRY(SET_TV_CHROMA_FILTER), + SDVO_CMD_NAME_ENTRY(GET_MAX_TV_LUMA_FILTER), + SDVO_CMD_NAME_ENTRY(GET_TV_LUMA_FILTER), + SDVO_CMD_NAME_ENTRY(SET_TV_LUMA_FILTER), /* HDMI op code */ - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA), + SDVO_CMD_NAME_ENTRY(GET_SUPP_ENCODE), + SDVO_CMD_NAME_ENTRY(GET_ENCODE), + SDVO_CMD_NAME_ENTRY(SET_ENCODE), + SDVO_CMD_NAME_ENTRY(SET_PIXEL_REPLI), + SDVO_CMD_NAME_ENTRY(GET_PIXEL_REPLI), + SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY_CAP), + SDVO_CMD_NAME_ENTRY(SET_COLORIMETRY), + SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY), + SDVO_CMD_NAME_ENTRY(GET_AUDIO_ENCRYPT_PREFER), + SDVO_CMD_NAME_ENTRY(SET_AUDIO_STAT), + SDVO_CMD_NAME_ENTRY(GET_AUDIO_STAT), + SDVO_CMD_NAME_ENTRY(GET_HBUF_INDEX), + SDVO_CMD_NAME_ENTRY(SET_HBUF_INDEX), + SDVO_CMD_NAME_ENTRY(GET_HBUF_INFO), + SDVO_CMD_NAME_ENTRY(GET_HBUF_AV_SPLIT), + SDVO_CMD_NAME_ENTRY(SET_HBUF_AV_SPLIT), + SDVO_CMD_NAME_ENTRY(GET_HBUF_TXRATE), + SDVO_CMD_NAME_ENTRY(SET_HBUF_TXRATE), + SDVO_CMD_NAME_ENTRY(SET_HBUF_DATA), + SDVO_CMD_NAME_ENTRY(GET_HBUF_DATA), }; +#undef SDVO_CMD_NAME_ENTRY + +static const char *sdvo_cmd_name(u8 cmd) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) { + if (cmd == sdvo_cmd_names[i].cmd) + return sdvo_cmd_names[i].name; + } + + return NULL; +} + #define SDVO_NAME(svdo) ((svdo)->port == PORT_B ? "SDVOB" : "SDVOC") static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd, const void *args, int args_len) { + const char *cmd_name; int i, pos = 0; #define BUF_LEN 256 char buffer[BUF_LEN]; @@ -412,15 +427,12 @@ static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd, for (; i < 8; i++) { BUF_PRINT(" "); } - for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) { - if (cmd == sdvo_cmd_names[i].cmd) { - BUF_PRINT("(%s)", sdvo_cmd_names[i].name); - break; - } - } - if (i == ARRAY_SIZE(sdvo_cmd_names)) { + + cmd_name = sdvo_cmd_name(cmd); + if (cmd_name) + BUF_PRINT("(%s)", cmd_name); + else BUF_PRINT("(%02X)", cmd); - } BUG_ON(pos >= BUF_LEN - 1); #undef BUF_PRINT #undef BUF_LEN @@ -429,15 +441,23 @@ static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd, } static const char * const cmd_status_names[] = { - "Power on", - "Success", - "Not supported", - "Invalid arg", - "Pending", - "Target not specified", - "Scaling not supported" + [SDVO_CMD_STATUS_POWER_ON] = "Power on", + [SDVO_CMD_STATUS_SUCCESS] = "Success", + [SDVO_CMD_STATUS_NOTSUPP] = "Not supported", + [SDVO_CMD_STATUS_INVALID_ARG] = "Invalid arg", + [SDVO_CMD_STATUS_PENDING] = "Pending", + [SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED] = "Target not specified", + [SDVO_CMD_STATUS_SCALING_NOT_SUPP] = "Scaling not supported", }; +static const char *sdvo_cmd_status(u8 status) +{ + if (status < ARRAY_SIZE(cmd_status_names)) + return cmd_status_names[status]; + else + return NULL; +} + static bool __intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd, const void *args, int args_len, bool unlocked) @@ -516,6 +536,7 @@ static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd, static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo, void *response, int response_len) { + const char *cmd_status; u8 retry = 15; /* 5 quick checks, followed by 10 long checks */ u8 status; int i, pos = 0; @@ -562,8 +583,9 @@ static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo, #define BUF_PRINT(args...) \ pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args) - if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP) - BUF_PRINT("(%s)", cmd_status_names[status]); + cmd_status = sdvo_cmd_status(status); + if (cmd_status) + BUF_PRINT("(%s)", cmd_status); else BUF_PRINT("(??? %d)", status); @@ -929,6 +951,20 @@ static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo, &audio_state, 1); } +static bool intel_sdvo_get_hbuf_size(struct intel_sdvo *intel_sdvo, + u8 *hbuf_size) +{ + if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO, + hbuf_size, 1)) + return false; + + /* Buffer size is 0 based, hooray! However zero means zero. */ + if (*hbuf_size) + (*hbuf_size)++; + + return true; +} + #if 0 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo) { @@ -972,14 +1008,10 @@ static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo, set_buf_index, 2)) return false; - if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO, - &hbuf_size, 1)) + if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size)) return false; - /* Buffer size is 0 based, hooray! */ - hbuf_size++; - - DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n", + DRM_DEBUG_KMS("writing sdvo hbuf: %i, length %u, hbuf_size: %i\n", if_index, length, hbuf_size); if (hbuf_size < length) @@ -1030,14 +1062,10 @@ static ssize_t intel_sdvo_read_infoframe(struct intel_sdvo *intel_sdvo, if (tx_rate == SDVO_HBUF_TX_DISABLED) return 0; - if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO, - &hbuf_size, 1)) - return -ENXIO; - - /* Buffer size is 0 based, hooray! */ - hbuf_size++; + if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size)) + return false; - DRM_DEBUG_KMS("reading sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n", + DRM_DEBUG_KMS("reading sdvo hbuf: %i, length %u, hbuf_size: %i\n", if_index, length, hbuf_size); hbuf_size = min_t(unsigned int, length, hbuf_size); @@ -1893,12 +1921,14 @@ static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder) &intel_sdvo->hotplug_active, 2); } -static bool intel_sdvo_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector) +static enum intel_hotplug_state +intel_sdvo_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector, + bool irq_received) { intel_sdvo_enable_hotplug(encoder); - return intel_encoder_hotplug(encoder, connector); + return intel_encoder_hotplug(encoder, connector, irq_received); } static bool diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index 004b52027ae8..53c6594c4588 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -441,9 +441,21 @@ icl_program_input_csc(struct intel_plane *plane, */ [DRM_COLOR_YCBCR_BT709] = { 0x7C98, 0x7800, 0x0, - 0x9EF8, 0x7800, 0xABF8, + 0x9EF8, 0x7800, 0xAC00, 0x0, 0x7800, 0x7ED8, }, + /* + * BT.2020 full range YCbCr -> full range RGB + * The matrix required is : + * [1.000, 0.000, 1.474, + * 1.000, -0.1645, -0.5713, + * 1.000, 1.8814, 0.0000] + */ + [DRM_COLOR_YCBCR_BT2020] = { + 0x7BC8, 0x7800, 0x0, + 0x8928, 0x7800, 0xAA88, + 0x0, 0x7800, 0x7F10, + }, }; /* Matrix for Limited Range to Full Range Conversion */ @@ -451,26 +463,38 @@ icl_program_input_csc(struct intel_plane *plane, /* * BT.601 Limted range YCbCr -> full range RGB * The matrix required is : - * [1.164384, 0.000, 1.596370, - * 1.138393, -0.382500, -0.794598, - * 1.138393, 1.971696, 0.0000] + * [1.164384, 0.000, 1.596027, + * 1.164384, -0.39175, -0.812813, + * 1.164384, 2.017232, 0.0000] */ [DRM_COLOR_YCBCR_BT601] = { 0x7CC8, 0x7950, 0x0, - 0x8CB8, 0x7918, 0x9C40, - 0x0, 0x7918, 0x7FC8, + 0x8D00, 0x7950, 0x9C88, + 0x0, 0x7950, 0x6810, }, /* * BT.709 Limited range YCbCr -> full range RGB * The matrix required is : - * [1.164, 0.000, 1.833671, - * 1.138393, -0.213249, -0.532909, - * 1.138393, 2.112402, 0.0000] + * [1.164384, 0.000, 1.792741, + * 1.164384, -0.213249, -0.532909, + * 1.164384, 2.112402, 0.0000] */ [DRM_COLOR_YCBCR_BT709] = { - 0x7EA8, 0x7950, 0x0, - 0x8888, 0x7918, 0xADA8, - 0x0, 0x7918, 0x6870, + 0x7E58, 0x7950, 0x0, + 0x8888, 0x7950, 0xADA8, + 0x0, 0x7950, 0x6870, + }, + /* + * BT.2020 Limited range YCbCr -> full range RGB + * The matrix required is : + * [1.164, 0.000, 1.678, + * 1.164, -0.1873, -0.6504, + * 1.164, 2.1417, 0.0000] + */ + [DRM_COLOR_YCBCR_BT2020] = { + 0x7D70, 0x7950, 0x0, + 0x8A68, 0x7950, 0xAC00, + 0x0, 0x7950, 0x6890, }, }; const u16 *csc; @@ -492,8 +516,11 @@ icl_program_input_csc(struct intel_plane *plane, I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 0), PREOFF_YUV_TO_RGB_HI); - I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), - PREOFF_YUV_TO_RGB_ME); + if (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE) + I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), 0); + else + I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), + PREOFF_YUV_TO_RGB_ME); I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 2), PREOFF_YUV_TO_RGB_LO); I915_WRITE_FW(PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 0), 0x0); @@ -683,6 +710,16 @@ skl_plane_get_hw_state(struct intel_plane *plane, return ret; } +static void i9xx_plane_linear_gamma(u16 gamma[8]) +{ + /* The points are not evenly spaced. */ + static const u8 in[8] = { 0, 1, 2, 4, 8, 16, 24, 32 }; + int i; + + for (i = 0; i < 8; i++) + gamma[i] = (in[i] << 8) / 32; +} + static void chv_update_csc(const struct intel_plane_state *plane_state) { @@ -858,6 +895,31 @@ static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state, return sprctl; } +static void vlv_update_gamma(const struct intel_plane_state *plane_state) +{ + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + const struct drm_framebuffer *fb = plane_state->base.fb; + enum pipe pipe = plane->pipe; + enum plane_id plane_id = plane->id; + u16 gamma[8]; + int i; + + /* Seems RGB data bypasses the gamma always */ + if (!fb->format->is_yuv) + return; + + i9xx_plane_linear_gamma(gamma); + + /* FIXME these register are single buffered :( */ + /* The two end points are implicit (0.0 and 1.0) */ + for (i = 1; i < 8 - 1; i++) + I915_WRITE_FW(SPGAMC(pipe, plane_id, i - 1), + gamma[i] << 16 | + gamma[i] << 8 | + gamma[i]); +} + static void vlv_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, @@ -916,6 +978,7 @@ vlv_update_plane(struct intel_plane *plane, intel_plane_ggtt_offset(plane_state) + sprsurf_offset); vlv_update_clrc(plane_state); + vlv_update_gamma(plane_state); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } @@ -1013,6 +1076,8 @@ static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state, return 0; } + sprctl |= SPRITE_INT_GAMMA_DISABLE; + if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709) sprctl |= SPRITE_YUV_TO_RGB_CSC_FORMAT_BT709; @@ -1033,6 +1098,45 @@ static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state, return sprctl; } +static void ivb_sprite_linear_gamma(u16 gamma[18]) +{ + int i; + + for (i = 0; i < 17; i++) + gamma[i] = (i << 10) / 16; + + gamma[i] = 3 << 10; + i++; +} + +static void ivb_update_gamma(const struct intel_plane_state *plane_state) +{ + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + enum pipe pipe = plane->pipe; + u16 gamma[18]; + int i; + + ivb_sprite_linear_gamma(gamma); + + /* FIXME these register are single buffered :( */ + for (i = 0; i < 16; i++) + I915_WRITE_FW(SPRGAMC(pipe, i), + gamma[i] << 20 | + gamma[i] << 10 | + gamma[i]); + + I915_WRITE_FW(SPRGAMC16(pipe, 0), gamma[i]); + I915_WRITE_FW(SPRGAMC16(pipe, 1), gamma[i]); + I915_WRITE_FW(SPRGAMC16(pipe, 2), gamma[i]); + i++; + + I915_WRITE_FW(SPRGAMC17(pipe, 0), gamma[i]); + I915_WRITE_FW(SPRGAMC17(pipe, 1), gamma[i]); + I915_WRITE_FW(SPRGAMC17(pipe, 2), gamma[i]); + i++; +} + static void ivb_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, @@ -1099,6 +1203,8 @@ ivb_update_plane(struct intel_plane *plane, I915_WRITE_FW(SPRSURF(pipe), intel_plane_ggtt_offset(plane_state) + sprsurf_offset); + ivb_update_gamma(plane_state); + spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } @@ -1224,6 +1330,66 @@ static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state, return dvscntr; } +static void g4x_update_gamma(const struct intel_plane_state *plane_state) +{ + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + const struct drm_framebuffer *fb = plane_state->base.fb; + enum pipe pipe = plane->pipe; + u16 gamma[8]; + int i; + + /* Seems RGB data bypasses the gamma always */ + if (!fb->format->is_yuv) + return; + + i9xx_plane_linear_gamma(gamma); + + /* FIXME these register are single buffered :( */ + /* The two end points are implicit (0.0 and 1.0) */ + for (i = 1; i < 8 - 1; i++) + I915_WRITE_FW(DVSGAMC_G4X(pipe, i - 1), + gamma[i] << 16 | + gamma[i] << 8 | + gamma[i]); +} + +static void ilk_sprite_linear_gamma(u16 gamma[17]) +{ + int i; + + for (i = 0; i < 17; i++) + gamma[i] = (i << 10) / 16; +} + +static void ilk_update_gamma(const struct intel_plane_state *plane_state) +{ + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); + struct drm_i915_private *dev_priv = to_i915(plane->base.dev); + const struct drm_framebuffer *fb = plane_state->base.fb; + enum pipe pipe = plane->pipe; + u16 gamma[17]; + int i; + + /* Seems RGB data bypasses the gamma always */ + if (!fb->format->is_yuv) + return; + + ilk_sprite_linear_gamma(gamma); + + /* FIXME these register are single buffered :( */ + for (i = 0; i < 16; i++) + I915_WRITE_FW(DVSGAMC_ILK(pipe, i), + gamma[i] << 20 | + gamma[i] << 10 | + gamma[i]); + + I915_WRITE_FW(DVSGAMCMAX_ILK(pipe, 0), gamma[i]); + I915_WRITE_FW(DVSGAMCMAX_ILK(pipe, 1), gamma[i]); + I915_WRITE_FW(DVSGAMCMAX_ILK(pipe, 2), gamma[i]); + i++; +} + static void g4x_update_plane(struct intel_plane *plane, const struct intel_crtc_state *crtc_state, @@ -1283,6 +1449,11 @@ g4x_update_plane(struct intel_plane *plane, I915_WRITE_FW(DVSSURF(pipe), intel_plane_ggtt_offset(plane_state) + dvssurf_offset); + if (IS_G4X(dev_priv)) + g4x_update_gamma(plane_state); + else + ilk_update_gamma(plane_state); + spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } @@ -1347,7 +1518,7 @@ g4x_sprite_check_scaling(struct intel_crtc_state *crtc_state, const struct drm_framebuffer *fb = plane_state->base.fb; const struct drm_rect *src = &plane_state->base.src; const struct drm_rect *dst = &plane_state->base.dst; - int src_x, src_y, src_w, src_h, crtc_w, crtc_h; + int src_x, src_w, src_h, crtc_w, crtc_h; const struct drm_display_mode *adjusted_mode = &crtc_state->base.adjusted_mode; unsigned int cpp = fb->format->cpp[0]; @@ -1358,7 +1529,6 @@ g4x_sprite_check_scaling(struct intel_crtc_state *crtc_state, crtc_h = drm_rect_height(dst); src_x = src->x1 >> 16; - src_y = src->y1 >> 16; src_w = drm_rect_width(src) >> 16; src_h = drm_rect_height(src) >> 16; @@ -1852,28 +2022,7 @@ static const u32 skl_plane_formats[] = { DRM_FORMAT_VYUY, }; -static const u32 icl_plane_formats[] = { - DRM_FORMAT_C8, - DRM_FORMAT_RGB565, - DRM_FORMAT_XRGB8888, - DRM_FORMAT_XBGR8888, - DRM_FORMAT_ARGB8888, - DRM_FORMAT_ABGR8888, - DRM_FORMAT_XRGB2101010, - DRM_FORMAT_XBGR2101010, - DRM_FORMAT_YUYV, - DRM_FORMAT_YVYU, - DRM_FORMAT_UYVY, - DRM_FORMAT_VYUY, - DRM_FORMAT_Y210, - DRM_FORMAT_Y212, - DRM_FORMAT_Y216, - DRM_FORMAT_XVYU2101010, - DRM_FORMAT_XVYU12_16161616, - DRM_FORMAT_XVYU16161616, -}; - -static const u32 icl_hdr_plane_formats[] = { +static const u32 skl_planar_formats[] = { DRM_FORMAT_C8, DRM_FORMAT_RGB565, DRM_FORMAT_XRGB8888, @@ -1882,23 +2031,14 @@ static const u32 icl_hdr_plane_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_XRGB2101010, DRM_FORMAT_XBGR2101010, - DRM_FORMAT_XRGB16161616F, - DRM_FORMAT_XBGR16161616F, - DRM_FORMAT_ARGB16161616F, - DRM_FORMAT_ABGR16161616F, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU, DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, - DRM_FORMAT_Y210, - DRM_FORMAT_Y212, - DRM_FORMAT_Y216, - DRM_FORMAT_XVYU2101010, - DRM_FORMAT_XVYU12_16161616, - DRM_FORMAT_XVYU16161616, + DRM_FORMAT_NV12, }; -static const u32 skl_planar_formats[] = { +static const u32 glk_planar_formats[] = { DRM_FORMAT_C8, DRM_FORMAT_RGB565, DRM_FORMAT_XRGB8888, @@ -1912,9 +2052,12 @@ static const u32 skl_planar_formats[] = { DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, DRM_FORMAT_NV12, + DRM_FORMAT_P010, + DRM_FORMAT_P012, + DRM_FORMAT_P016, }; -static const u32 glk_planar_formats[] = { +static const u32 icl_sdr_y_plane_formats[] = { DRM_FORMAT_C8, DRM_FORMAT_RGB565, DRM_FORMAT_XRGB8888, @@ -1927,13 +2070,15 @@ static const u32 glk_planar_formats[] = { DRM_FORMAT_YVYU, DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, - DRM_FORMAT_NV12, - DRM_FORMAT_P010, - DRM_FORMAT_P012, - DRM_FORMAT_P016, + DRM_FORMAT_Y210, + DRM_FORMAT_Y212, + DRM_FORMAT_Y216, + DRM_FORMAT_XVYU2101010, + DRM_FORMAT_XVYU12_16161616, + DRM_FORMAT_XVYU16161616, }; -static const u32 icl_planar_formats[] = { +static const u32 icl_sdr_uv_plane_formats[] = { DRM_FORMAT_C8, DRM_FORMAT_RGB565, DRM_FORMAT_XRGB8888, @@ -1958,7 +2103,7 @@ static const u32 icl_planar_formats[] = { DRM_FORMAT_XVYU16161616, }; -static const u32 icl_hdr_planar_formats[] = { +static const u32 icl_hdr_plane_formats[] = { DRM_FORMAT_C8, DRM_FORMAT_RGB565, DRM_FORMAT_XRGB8888, @@ -2201,9 +2346,6 @@ static bool skl_plane_has_fbc(struct drm_i915_private *dev_priv, static bool skl_plane_has_planar(struct drm_i915_private *dev_priv, enum pipe pipe, enum plane_id plane_id) { - if (INTEL_GEN(dev_priv) >= 11) - return plane_id <= PLANE_SPRITE3; - /* Display WA #0870: skl, bxt */ if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv)) return false; @@ -2217,6 +2359,48 @@ static bool skl_plane_has_planar(struct drm_i915_private *dev_priv, return true; } +static const u32 *skl_get_plane_formats(struct drm_i915_private *dev_priv, + enum pipe pipe, enum plane_id plane_id, + int *num_formats) +{ + if (skl_plane_has_planar(dev_priv, pipe, plane_id)) { + *num_formats = ARRAY_SIZE(skl_planar_formats); + return skl_planar_formats; + } else { + *num_formats = ARRAY_SIZE(skl_plane_formats); + return skl_plane_formats; + } +} + +static const u32 *glk_get_plane_formats(struct drm_i915_private *dev_priv, + enum pipe pipe, enum plane_id plane_id, + int *num_formats) +{ + if (skl_plane_has_planar(dev_priv, pipe, plane_id)) { + *num_formats = ARRAY_SIZE(glk_planar_formats); + return glk_planar_formats; + } else { + *num_formats = ARRAY_SIZE(skl_plane_formats); + return skl_plane_formats; + } +} + +static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv, + enum pipe pipe, enum plane_id plane_id, + int *num_formats) +{ + if (icl_is_hdr_plane(dev_priv, plane_id)) { + *num_formats = ARRAY_SIZE(icl_hdr_plane_formats); + return icl_hdr_plane_formats; + } else if (icl_is_nv12_y_plane(plane_id)) { + *num_formats = ARRAY_SIZE(icl_sdr_y_plane_formats); + return icl_sdr_y_plane_formats; + } else { + *num_formats = ARRAY_SIZE(icl_sdr_uv_plane_formats); + return icl_sdr_uv_plane_formats; + } +} + static bool skl_plane_has_ccs(struct drm_i915_private *dev_priv, enum pipe pipe, enum plane_id plane_id) { @@ -2270,30 +2454,15 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv, if (icl_is_nv12_y_plane(plane_id)) plane->update_slave = icl_update_slave; - if (skl_plane_has_planar(dev_priv, pipe, plane_id)) { - if (icl_is_hdr_plane(dev_priv, plane_id)) { - formats = icl_hdr_planar_formats; - num_formats = ARRAY_SIZE(icl_hdr_planar_formats); - } else if (INTEL_GEN(dev_priv) >= 11) { - formats = icl_planar_formats; - num_formats = ARRAY_SIZE(icl_planar_formats); - } else if (INTEL_GEN(dev_priv) == 10 || IS_GEMINILAKE(dev_priv)) { - formats = glk_planar_formats; - num_formats = ARRAY_SIZE(glk_planar_formats); - } else { - formats = skl_planar_formats; - num_formats = ARRAY_SIZE(skl_planar_formats); - } - } else if (icl_is_hdr_plane(dev_priv, plane_id)) { - formats = icl_hdr_plane_formats; - num_formats = ARRAY_SIZE(icl_hdr_plane_formats); - } else if (INTEL_GEN(dev_priv) >= 11) { - formats = icl_plane_formats; - num_formats = ARRAY_SIZE(icl_plane_formats); - } else { - formats = skl_plane_formats; - num_formats = ARRAY_SIZE(skl_plane_formats); - } + if (INTEL_GEN(dev_priv) >= 11) + formats = icl_get_plane_formats(dev_priv, pipe, + plane_id, &num_formats); + else if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) + formats = glk_get_plane_formats(dev_priv, pipe, + plane_id, &num_formats); + else + formats = skl_get_plane_formats(dev_priv, pipe, + plane_id, &num_formats); plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id); if (plane->has_ccs) diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c new file mode 100644 index 000000000000..c96a81c2416c --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -0,0 +1,537 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2019 Intel Corporation + */ + +#include "i915_drv.h" +#include "intel_display.h" +#include "intel_dp_mst.h" +#include "intel_tc.h" + +static const char *tc_port_mode_name(enum tc_port_mode mode) +{ + static const char * const names[] = { + [TC_PORT_TBT_ALT] = "tbt-alt", + [TC_PORT_DP_ALT] = "dp-alt", + [TC_PORT_LEGACY] = "legacy", + }; + + if (WARN_ON(mode >= ARRAY_SIZE(names))) + mode = TC_PORT_TBT_ALT; + + return names[mode]; +} + +static bool has_modular_fia(struct drm_i915_private *i915) +{ + if (!INTEL_INFO(i915)->display.has_modular_fia) + return false; + + return intel_uncore_read(&i915->uncore, + PORT_TX_DFLEXDPSP(FIA1)) & MODULAR_FIA_MASK; +} + +static enum phy_fia tc_port_to_fia(struct drm_i915_private *i915, + enum tc_port tc_port) +{ + if (!has_modular_fia(i915)) + return FIA1; + + /* + * Each Modular FIA instance houses 2 TC ports. In SOC that has more + * than two TC ports, there are multiple instances of Modular FIA. + */ + return tc_port / 2; +} + +u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port); + struct intel_uncore *uncore = &i915->uncore; + u32 lane_mask; + + lane_mask = intel_uncore_read(uncore, + PORT_TX_DFLEXDPSP(dig_port->tc_phy_fia)); + + WARN_ON(lane_mask == 0xffffffff); + + return (lane_mask & DP_LANE_ASSIGNMENT_MASK(tc_port)) >> + DP_LANE_ASSIGNMENT_SHIFT(tc_port); +} + +int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + intel_wakeref_t wakeref; + u32 lane_mask; + + if (dig_port->tc_mode != TC_PORT_DP_ALT) + return 4; + + lane_mask = 0; + with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref) + lane_mask = intel_tc_port_get_lane_mask(dig_port); + + switch (lane_mask) { + default: + MISSING_CASE(lane_mask); + /* fall-through */ + case 0x1: + case 0x2: + case 0x4: + case 0x8: + return 1; + case 0x3: + case 0xc: + return 2; + case 0xf: + return 4; + } +} + +void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port, + int required_lanes) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port); + bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; + struct intel_uncore *uncore = &i915->uncore; + u32 val; + + WARN_ON(lane_reversal && dig_port->tc_mode != TC_PORT_LEGACY); + + val = intel_uncore_read(uncore, + PORT_TX_DFLEXDPMLE1(dig_port->tc_phy_fia)); + val &= ~DFLEXDPMLE1_DPMLETC_MASK(tc_port); + + switch (required_lanes) { + case 1: + val |= lane_reversal ? DFLEXDPMLE1_DPMLETC_ML3(tc_port) : + DFLEXDPMLE1_DPMLETC_ML0(tc_port); + break; + case 2: + val |= lane_reversal ? DFLEXDPMLE1_DPMLETC_ML3_2(tc_port) : + DFLEXDPMLE1_DPMLETC_ML1_0(tc_port); + break; + case 4: + val |= DFLEXDPMLE1_DPMLETC_ML3_0(tc_port); + break; + default: + MISSING_CASE(required_lanes); + } + + intel_uncore_write(uncore, + PORT_TX_DFLEXDPMLE1(dig_port->tc_phy_fia), val); +} + +static void tc_port_fixup_legacy_flag(struct intel_digital_port *dig_port, + u32 live_status_mask) +{ + u32 valid_hpd_mask; + + if (dig_port->tc_legacy_port) + valid_hpd_mask = BIT(TC_PORT_LEGACY); + else + valid_hpd_mask = BIT(TC_PORT_DP_ALT) | + BIT(TC_PORT_TBT_ALT); + + if (!(live_status_mask & ~valid_hpd_mask)) + return; + + /* If live status mismatches the VBT flag, trust the live status. */ + DRM_ERROR("Port %s: live status %08x mismatches the legacy port flag, fix flag\n", + dig_port->tc_port_name, live_status_mask); + + dig_port->tc_legacy_port = !dig_port->tc_legacy_port; +} + +static u32 tc_port_live_status_mask(struct intel_digital_port *dig_port) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port); + struct intel_uncore *uncore = &i915->uncore; + u32 mask = 0; + u32 val; + + val = intel_uncore_read(uncore, + PORT_TX_DFLEXDPSP(dig_port->tc_phy_fia)); + + if (val == 0xffffffff) { + DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, nothing connected\n", + dig_port->tc_port_name); + return mask; + } + + if (val & TC_LIVE_STATE_TBT(tc_port)) + mask |= BIT(TC_PORT_TBT_ALT); + if (val & TC_LIVE_STATE_TC(tc_port)) + mask |= BIT(TC_PORT_DP_ALT); + + if (intel_uncore_read(uncore, SDEISR) & SDE_TC_HOTPLUG_ICP(tc_port)) + mask |= BIT(TC_PORT_LEGACY); + + /* The sink can be connected only in a single mode. */ + if (!WARN_ON(hweight32(mask) > 1)) + tc_port_fixup_legacy_flag(dig_port, mask); + + return mask; +} + +static bool icl_tc_phy_status_complete(struct intel_digital_port *dig_port) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port); + struct intel_uncore *uncore = &i915->uncore; + u32 val; + + val = intel_uncore_read(uncore, + PORT_TX_DFLEXDPPMS(dig_port->tc_phy_fia)); + if (val == 0xffffffff) { + DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, assuming not complete\n", + dig_port->tc_port_name); + return false; + } + + return val & DP_PHY_MODE_STATUS_COMPLETED(tc_port); +} + +static bool icl_tc_phy_set_safe_mode(struct intel_digital_port *dig_port, + bool enable) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port); + struct intel_uncore *uncore = &i915->uncore; + u32 val; + + val = intel_uncore_read(uncore, + PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia)); + if (val == 0xffffffff) { + DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, can't set safe-mode to %s\n", + dig_port->tc_port_name, + enableddisabled(enable)); + + return false; + } + + val &= ~DP_PHY_MODE_STATUS_NOT_SAFE(tc_port); + if (!enable) + val |= DP_PHY_MODE_STATUS_NOT_SAFE(tc_port); + + intel_uncore_write(uncore, + PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia), val); + + if (enable && wait_for(!icl_tc_phy_status_complete(dig_port), 10)) + DRM_DEBUG_KMS("Port %s: PHY complete clear timed out\n", + dig_port->tc_port_name); + + return true; +} + +static bool icl_tc_phy_is_in_safe_mode(struct intel_digital_port *dig_port) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port); + struct intel_uncore *uncore = &i915->uncore; + u32 val; + + val = intel_uncore_read(uncore, + PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia)); + if (val == 0xffffffff) { + DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, assume safe mode\n", + dig_port->tc_port_name); + return true; + } + + return !(val & DP_PHY_MODE_STATUS_NOT_SAFE(tc_port)); +} + +/* + * This function implements the first part of the Connect Flow described by our + * specification, Gen11 TypeC Programming chapter. The rest of the flow (reading + * lanes, EDID, etc) is done as needed in the typical places. + * + * Unlike the other ports, type-C ports are not available to use as soon as we + * get a hotplug. The type-C PHYs can be shared between multiple controllers: + * display, USB, etc. As a result, handshaking through FIA is required around + * connect and disconnect to cleanly transfer ownership with the controller and + * set the type-C power state. + */ +static void icl_tc_phy_connect(struct intel_digital_port *dig_port, + int required_lanes) +{ + int max_lanes; + + if (!icl_tc_phy_status_complete(dig_port)) { + DRM_DEBUG_KMS("Port %s: PHY not ready\n", + dig_port->tc_port_name); + goto out_set_tbt_alt_mode; + } + + if (!icl_tc_phy_set_safe_mode(dig_port, false) && + !WARN_ON(dig_port->tc_legacy_port)) + goto out_set_tbt_alt_mode; + + max_lanes = intel_tc_port_fia_max_lane_count(dig_port); + if (dig_port->tc_legacy_port) { + WARN_ON(max_lanes != 4); + dig_port->tc_mode = TC_PORT_LEGACY; + + return; + } + + /* + * Now we have to re-check the live state, in case the port recently + * became disconnected. Not necessary for legacy mode. + */ + if (!(tc_port_live_status_mask(dig_port) & BIT(TC_PORT_DP_ALT))) { + DRM_DEBUG_KMS("Port %s: PHY sudden disconnect\n", + dig_port->tc_port_name); + goto out_set_safe_mode; + } + + if (max_lanes < required_lanes) { + DRM_DEBUG_KMS("Port %s: PHY max lanes %d < required lanes %d\n", + dig_port->tc_port_name, + max_lanes, required_lanes); + goto out_set_safe_mode; + } + + dig_port->tc_mode = TC_PORT_DP_ALT; + + return; + +out_set_safe_mode: + icl_tc_phy_set_safe_mode(dig_port, true); +out_set_tbt_alt_mode: + dig_port->tc_mode = TC_PORT_TBT_ALT; +} + +/* + * See the comment at the connect function. This implements the Disconnect + * Flow. + */ +static void icl_tc_phy_disconnect(struct intel_digital_port *dig_port) +{ + switch (dig_port->tc_mode) { + case TC_PORT_LEGACY: + /* Nothing to do, we never disconnect from legacy mode */ + break; + case TC_PORT_DP_ALT: + icl_tc_phy_set_safe_mode(dig_port, true); + dig_port->tc_mode = TC_PORT_TBT_ALT; + break; + case TC_PORT_TBT_ALT: + /* Nothing to do, we stay in TBT-alt mode */ + break; + default: + MISSING_CASE(dig_port->tc_mode); + } +} + +static bool icl_tc_phy_is_connected(struct intel_digital_port *dig_port) +{ + if (!icl_tc_phy_status_complete(dig_port)) { + DRM_DEBUG_KMS("Port %s: PHY status not complete\n", + dig_port->tc_port_name); + return dig_port->tc_mode == TC_PORT_TBT_ALT; + } + + if (icl_tc_phy_is_in_safe_mode(dig_port)) { + DRM_DEBUG_KMS("Port %s: PHY still in safe mode\n", + dig_port->tc_port_name); + + return false; + } + + return dig_port->tc_mode == TC_PORT_DP_ALT || + dig_port->tc_mode == TC_PORT_LEGACY; +} + +static enum tc_port_mode +intel_tc_port_get_current_mode(struct intel_digital_port *dig_port) +{ + u32 live_status_mask = tc_port_live_status_mask(dig_port); + bool in_safe_mode = icl_tc_phy_is_in_safe_mode(dig_port); + enum tc_port_mode mode; + + if (in_safe_mode || WARN_ON(!icl_tc_phy_status_complete(dig_port))) + return TC_PORT_TBT_ALT; + + mode = dig_port->tc_legacy_port ? TC_PORT_LEGACY : TC_PORT_DP_ALT; + if (live_status_mask) { + enum tc_port_mode live_mode = fls(live_status_mask) - 1; + + if (!WARN_ON(live_mode == TC_PORT_TBT_ALT)) + mode = live_mode; + } + + return mode; +} + +static enum tc_port_mode +intel_tc_port_get_target_mode(struct intel_digital_port *dig_port) +{ + u32 live_status_mask = tc_port_live_status_mask(dig_port); + + if (live_status_mask) + return fls(live_status_mask) - 1; + + return icl_tc_phy_status_complete(dig_port) && + dig_port->tc_legacy_port ? TC_PORT_LEGACY : + TC_PORT_TBT_ALT; +} + +static void intel_tc_port_reset_mode(struct intel_digital_port *dig_port, + int required_lanes) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum tc_port_mode old_tc_mode = dig_port->tc_mode; + + intel_display_power_flush_work(i915); + WARN_ON(intel_display_power_is_enabled(i915, + intel_aux_power_domain(dig_port))); + + icl_tc_phy_disconnect(dig_port); + icl_tc_phy_connect(dig_port, required_lanes); + + DRM_DEBUG_KMS("Port %s: TC port mode reset (%s -> %s)\n", + dig_port->tc_port_name, + tc_port_mode_name(old_tc_mode), + tc_port_mode_name(dig_port->tc_mode)); +} + +static void +intel_tc_port_link_init_refcount(struct intel_digital_port *dig_port, + int refcount) +{ + WARN_ON(dig_port->tc_link_refcount); + dig_port->tc_link_refcount = refcount; +} + +void intel_tc_port_sanitize(struct intel_digital_port *dig_port) +{ + struct intel_encoder *encoder = &dig_port->base; + int active_links = 0; + + mutex_lock(&dig_port->tc_lock); + + dig_port->tc_mode = intel_tc_port_get_current_mode(dig_port); + if (dig_port->dp.is_mst) + active_links = intel_dp_mst_encoder_active_links(dig_port); + else if (encoder->base.crtc) + active_links = to_intel_crtc(encoder->base.crtc)->active; + + if (active_links) { + if (!icl_tc_phy_is_connected(dig_port)) + DRM_DEBUG_KMS("Port %s: PHY disconnected with %d active link(s)\n", + dig_port->tc_port_name, active_links); + intel_tc_port_link_init_refcount(dig_port, active_links); + + goto out; + } + + if (dig_port->tc_legacy_port) + icl_tc_phy_connect(dig_port, 1); + +out: + DRM_DEBUG_KMS("Port %s: sanitize mode (%s)\n", + dig_port->tc_port_name, + tc_port_mode_name(dig_port->tc_mode)); + + mutex_unlock(&dig_port->tc_lock); +} + +static bool intel_tc_port_needs_reset(struct intel_digital_port *dig_port) +{ + return intel_tc_port_get_target_mode(dig_port) != dig_port->tc_mode; +} + +/* + * The type-C ports are different because even when they are connected, they may + * not be available/usable by the graphics driver: see the comment on + * icl_tc_phy_connect(). So in our driver instead of adding the additional + * concept of "usable" and make everything check for "connected and usable" we + * define a port as "connected" when it is not only connected, but also when it + * is usable by the rest of the driver. That maintains the old assumption that + * connected ports are usable, and avoids exposing to the users objects they + * can't really use. + */ +bool intel_tc_port_connected(struct intel_digital_port *dig_port) +{ + bool is_connected; + + intel_tc_port_lock(dig_port); + is_connected = tc_port_live_status_mask(dig_port) & + BIT(dig_port->tc_mode); + intel_tc_port_unlock(dig_port); + + return is_connected; +} + +static void __intel_tc_port_lock(struct intel_digital_port *dig_port, + int required_lanes) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + intel_wakeref_t wakeref; + + wakeref = intel_display_power_get(i915, POWER_DOMAIN_DISPLAY_CORE); + + mutex_lock(&dig_port->tc_lock); + + if (!dig_port->tc_link_refcount && + intel_tc_port_needs_reset(dig_port)) + intel_tc_port_reset_mode(dig_port, required_lanes); + + WARN_ON(dig_port->tc_lock_wakeref); + dig_port->tc_lock_wakeref = wakeref; +} + +void intel_tc_port_lock(struct intel_digital_port *dig_port) +{ + __intel_tc_port_lock(dig_port, 1); +} + +void intel_tc_port_unlock(struct intel_digital_port *dig_port) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + intel_wakeref_t wakeref = fetch_and_zero(&dig_port->tc_lock_wakeref); + + mutex_unlock(&dig_port->tc_lock); + + intel_display_power_put_async(i915, POWER_DOMAIN_DISPLAY_CORE, + wakeref); +} + +void intel_tc_port_get_link(struct intel_digital_port *dig_port, + int required_lanes) +{ + __intel_tc_port_lock(dig_port, required_lanes); + dig_port->tc_link_refcount++; + intel_tc_port_unlock(dig_port); +} + +void intel_tc_port_put_link(struct intel_digital_port *dig_port) +{ + mutex_lock(&dig_port->tc_lock); + dig_port->tc_link_refcount--; + mutex_unlock(&dig_port->tc_lock); +} + +void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + enum port port = dig_port->base.port; + enum tc_port tc_port = intel_port_to_tc(i915, port); + + if (WARN_ON(tc_port == PORT_TC_NONE)) + return; + + snprintf(dig_port->tc_port_name, sizeof(dig_port->tc_port_name), + "%c/TC#%d", port_name(port), tc_port + 1); + + mutex_init(&dig_port->tc_lock); + dig_port->tc_legacy_port = is_legacy; + dig_port->tc_link_refcount = 0; + dig_port->tc_phy_fia = tc_port_to_fia(i915, tc_port); +} diff --git a/drivers/gpu/drm/i915/display/intel_tc.h b/drivers/gpu/drm/i915/display/intel_tc.h new file mode 100644 index 000000000000..22fe922ac9cf --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_tc.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef __INTEL_TC_H__ +#define __INTEL_TC_H__ + +#include <linux/mutex.h> +#include <linux/types.h> + +#include "intel_drv.h" + +bool intel_tc_port_connected(struct intel_digital_port *dig_port); +u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port); +int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port); +void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port, + int required_lanes); + +void intel_tc_port_sanitize(struct intel_digital_port *dig_port); +void intel_tc_port_lock(struct intel_digital_port *dig_port); +void intel_tc_port_unlock(struct intel_digital_port *dig_port); +void intel_tc_port_get_link(struct intel_digital_port *dig_port, + int required_lanes); +void intel_tc_port_put_link(struct intel_digital_port *dig_port); + +static inline int intel_tc_port_ref_held(struct intel_digital_port *dig_port) +{ + return mutex_is_locked(&dig_port->tc_lock) || + dig_port->tc_link_refcount; +} + +void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy); + +#endif /* __INTEL_TC_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 5ddbe71ab423..09cd37fb0b1c 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -310,10 +310,13 @@ enum vbt_gmbus_ddi { DDC_BUS_DDI_F, ICL_DDC_BUS_DDI_A = 0x1, ICL_DDC_BUS_DDI_B, + TGL_DDC_BUS_DDI_C, ICL_DDC_BUS_PORT_1 = 0x4, ICL_DDC_BUS_PORT_2, ICL_DDC_BUS_PORT_3, ICL_DDC_BUS_PORT_4, + TGL_DDC_BUS_PORT_5, + TGL_DDC_BUS_PORT_6, MCC_DDC_BUS_DDI_A = 0x1, MCC_DDC_BUS_DDI_B, MCC_DDC_BUS_DDI_C = 0x4, diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c index ffec807b8960..4ab19c432ef5 100644 --- a/drivers/gpu/drm/i915/display/intel_vdsc.c +++ b/drivers/gpu/drm/i915/display/intel_vdsc.c @@ -459,17 +459,23 @@ int intel_dp_compute_dsc_params(struct intel_dp *intel_dp, enum intel_display_power_domain intel_dsc_power_domain(const struct intel_crtc_state *crtc_state) { + struct drm_i915_private *i915 = to_i915(crtc_state->base.crtc->dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; /* - * On ICL VDSC/joining for eDP transcoder uses a separate power well PW2 - * This requires POWER_DOMAIN_TRANSCODER_EDP_VDSC power domain. + * On ICL VDSC/joining for eDP transcoder uses a separate power well, + * PW2. This requires POWER_DOMAIN_TRANSCODER_VDSC_PW2 power domain. * For any other transcoder, VDSC/joining uses the power well associated * with the pipe/transcoder in use. Hence another reference on the * transcoder power domain will suffice. + * + * On TGL we have the same mapping, but for transcoder A (the special + * TRANSCODER_EDP is gone). */ - if (cpu_transcoder == TRANSCODER_EDP) - return POWER_DOMAIN_TRANSCODER_EDP_VDSC; + if (INTEL_GEN(i915) >= 12 && cpu_transcoder == TRANSCODER_A) + return POWER_DOMAIN_TRANSCODER_VDSC_PW2; + else if (cpu_transcoder == TRANSCODER_EDP) + return POWER_DOMAIN_TRANSCODER_VDSC_PW2; else return POWER_DOMAIN_TRANSCODER(cpu_transcoder); } diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index e272d826210a..c8002ffd29e7 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -1644,7 +1644,7 @@ vlv_dsi_get_panel_orientation(struct intel_connector *connector) return intel_dsi_get_panel_orientation(connector); } -static void intel_dsi_add_properties(struct intel_connector *connector) +static void vlv_dsi_add_properties(struct intel_connector *connector) { struct drm_i915_private *dev_priv = to_i915(connector->base.dev); @@ -1983,7 +1983,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv) intel_panel_init(&intel_connector->panel, fixed_mode, NULL); intel_panel_setup_backlight(connector, INVALID_PIPE); - intel_dsi_add_properties(intel_connector); + vlv_dsi_add_properties(intel_connector); return; diff --git a/drivers/gpu/drm/i915/gem/Makefile b/drivers/gpu/drm/i915/gem/Makefile index 07e7b8b840ea..7e73aa587967 100644 --- a/drivers/gpu/drm/i915/gem/Makefile +++ b/drivers/gpu/drm/i915/gem/Makefile @@ -1 +1,5 @@ -include $(src)/Makefile.header-test # Extra header tests +# For building individual subdir files on the command line +subdir-ccflags-y += -I$(srctree)/$(src)/.. + +# Extra header tests +header-test-pattern-$(CONFIG_DRM_I915_WERROR) := *.h diff --git a/drivers/gpu/drm/i915/gem/Makefile.header-test b/drivers/gpu/drm/i915/gem/Makefile.header-test deleted file mode 100644 index 61e06cbb4b32..000000000000 --- a/drivers/gpu/drm/i915/gem/Makefile.header-test +++ /dev/null @@ -1,16 +0,0 @@ -# SPDX-License-Identifier: MIT -# Copyright © 2019 Intel Corporation - -# Test the headers are compilable as standalone units -header_test := $(notdir $(wildcard $(src)/*.h)) - -quiet_cmd_header_test = HDRTEST $@ - cmd_header_test = echo "\#include \"$(<F)\"" > $@ - -header_test_%.c: %.h - $(call cmd,header_test) - -extra-$(CONFIG_DRM_I915_WERROR) += \ - $(foreach h,$(header_test),$(patsubst %.h,header_test_%.o,$(h))) - -clean-files += $(foreach h,$(header_test),$(patsubst %.h,header_test_%.c,$(h))) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c b/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c index 1fdab0767a47..2312a0c6af89 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c @@ -72,7 +72,6 @@ static struct i915_sleeve *create_sleeve(struct i915_address_space *vm, vma->ops = &proxy_vma_ops; sleeve->vma = vma; - sleeve->obj = i915_gem_object_get(obj); sleeve->pages = pages; sleeve->page_sizes = *page_sizes; @@ -85,7 +84,6 @@ err_free: static void destroy_sleeve(struct i915_sleeve *sleeve) { - i915_gem_object_put(sleeve->obj); kfree(sleeve); } @@ -155,7 +153,7 @@ static void clear_pages_worker(struct work_struct *work) { struct clear_pages_work *w = container_of(work, typeof(*w), work); struct drm_i915_private *i915 = w->ce->gem_context->i915; - struct drm_i915_gem_object *obj = w->sleeve->obj; + struct drm_i915_gem_object *obj = w->sleeve->vma->obj; struct i915_vma *vma = w->sleeve->vma; struct i915_request *rq; int err = w->dma.error; @@ -164,11 +162,12 @@ static void clear_pages_worker(struct work_struct *work) goto out_signal; if (obj->cache_dirty) { - obj->write_domain = 0; if (i915_gem_object_has_struct_page(obj)) drm_clflush_sg(w->sleeve->pages); obj->cache_dirty = false; } + obj->read_domains = I915_GEM_GPU_DOMAINS; + obj->write_domain = 0; /* XXX: we need to kill this */ mutex_lock(&i915->drm.struct_mutex); @@ -193,10 +192,12 @@ static void clear_pages_worker(struct work_struct *work) goto out_request; } - /* XXX: more feverish nightmares await */ - i915_vma_lock(vma); - err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); - i915_vma_unlock(vma); + /* + * w->dma is already exported via (vma|obj)->resv we need only + * keep track of the GPU activity within this vma/request, and + * propagate the signal from the request to w->dma. + */ + err = i915_active_ref(&vma->active, rq->fence.context, rq); if (err) goto out_request; @@ -249,13 +250,11 @@ int i915_gem_schedule_fill_pages_blt(struct drm_i915_gem_object *obj, u32 value) { struct drm_i915_private *i915 = to_i915(obj->base.dev); - struct i915_gem_context *ctx = ce->gem_context; - struct i915_address_space *vm = ctx->vm ?: &i915->ggtt.vm; struct clear_pages_work *work; struct i915_sleeve *sleeve; int err; - sleeve = create_sleeve(vm, obj, pages, page_sizes); + sleeve = create_sleeve(ce->vm, obj, pages, page_sizes); if (IS_ERR(sleeve)) return PTR_ERR(sleeve); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 0f2c22a3bcb6..b28c7ca681a8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -316,7 +316,7 @@ static void i915_gem_context_free(struct i915_gem_context *ctx) mutex_destroy(&ctx->engines_mutex); if (ctx->timeline) - i915_timeline_put(ctx->timeline); + intel_timeline_put(ctx->timeline); kfree(ctx->name); put_pid(ctx->pid); @@ -459,8 +459,7 @@ __create_context(struct drm_i915_private *i915) i915_gem_context_set_recoverable(ctx); ctx->ring_size = 4 * PAGE_SIZE; - ctx->desc_template = - default_desc_template(i915, &i915->mm.aliasing_ppgtt->vm); + ctx->desc_template = default_desc_template(i915, NULL); for (i = 0; i < ARRAY_SIZE(ctx->hang_timestamp); i++) ctx->hang_timestamp[i] = jiffies - CONTEXT_FAST_HANG_JIFFIES; @@ -476,10 +475,18 @@ static struct i915_address_space * __set_ppgtt(struct i915_gem_context *ctx, struct i915_address_space *vm) { struct i915_address_space *old = ctx->vm; + struct i915_gem_engines_iter it; + struct intel_context *ce; ctx->vm = i915_vm_get(vm); ctx->desc_template = default_desc_template(ctx->i915, vm); + for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) { + i915_vm_put(ce->vm); + ce->vm = i915_vm_get(vm); + } + i915_gem_context_unlock_engines(ctx); + return old; } @@ -528,9 +535,9 @@ i915_gem_create_context(struct drm_i915_private *dev_priv, unsigned int flags) } if (flags & I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE) { - struct i915_timeline *timeline; + struct intel_timeline *timeline; - timeline = i915_timeline_create(dev_priv, NULL); + timeline = intel_timeline_create(&dev_priv->gt, NULL); if (IS_ERR(timeline)) { context_close(ctx); return ERR_CAST(timeline); @@ -644,20 +651,13 @@ static void init_contexts(struct drm_i915_private *i915) init_llist_head(&i915->contexts.free_list); } -static bool needs_preempt_context(struct drm_i915_private *i915) -{ - return HAS_EXECLISTS(i915); -} - int i915_gem_contexts_init(struct drm_i915_private *dev_priv) { struct i915_gem_context *ctx; /* Reassure ourselves we are only called once */ GEM_BUG_ON(dev_priv->kernel_context); - GEM_BUG_ON(dev_priv->preempt_context); - intel_engine_init_ctx_wa(dev_priv->engine[RCS0]); init_contexts(dev_priv); /* lowest priority; idle task */ @@ -677,15 +677,6 @@ int i915_gem_contexts_init(struct drm_i915_private *dev_priv) GEM_BUG_ON(!atomic_read(&ctx->hw_id_pin_count)); dev_priv->kernel_context = ctx; - /* highest priority; preempting task */ - if (needs_preempt_context(dev_priv)) { - ctx = i915_gem_context_create_kernel(dev_priv, INT_MAX); - if (!IS_ERR(ctx)) - dev_priv->preempt_context = ctx; - else - DRM_ERROR("Failed to create preempt context; disabling preemption\n"); - } - DRM_DEBUG_DRIVER("%s context support initialized\n", DRIVER_CAPS(dev_priv)->has_logical_contexts ? "logical" : "fake"); @@ -696,8 +687,6 @@ void i915_gem_contexts_fini(struct drm_i915_private *i915) { lockdep_assert_held(&i915->drm.struct_mutex); - if (i915->preempt_context) - destroy_kernel_context(&i915->preempt_context); destroy_kernel_context(&i915->kernel_context); /* Must free all deferred contexts (via flush_workqueue) first */ @@ -923,8 +912,12 @@ static int context_barrier_task(struct i915_gem_context *ctx, if (!cb) return -ENOMEM; - i915_active_init(i915, &cb->base, cb_retire); - i915_active_acquire(&cb->base); + i915_active_init(i915, &cb->base, NULL, cb_retire); + err = i915_active_acquire(&cb->base); + if (err) { + kfree(cb); + return err; + } for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) { struct i915_request *rq; @@ -1019,7 +1012,7 @@ static void set_ppgtt_barrier(void *data) static int emit_ppgtt_update(struct i915_request *rq, void *data) { - struct i915_address_space *vm = rq->gem_context->vm; + struct i915_address_space *vm = rq->hw_context->vm; struct intel_engine_cs *engine = rq->engine; u32 base = engine->mmio_base; u32 *cs; @@ -1128,9 +1121,8 @@ static int set_ppgtt(struct drm_i915_file_private *file_priv, set_ppgtt_barrier, old); if (err) { - ctx->vm = old; - ctx->desc_template = default_desc_template(ctx->i915, old); - i915_vm_put(vm); + i915_vm_put(__set_ppgtt(ctx, old)); + i915_vm_put(old); } unlock: @@ -1187,26 +1179,11 @@ gen8_modify_rpcs(struct intel_context *ce, struct intel_sseu sseu) if (IS_ERR(rq)) return PTR_ERR(rq); - /* Queue this switch after all other activity by this context. */ - ret = i915_active_request_set(&ce->ring->timeline->last_request, rq); - if (ret) - goto out_add; - - /* - * Guarantee context image and the timeline remains pinned until the - * modifying request is retired by setting the ce activity tracker. - * - * But we only need to take one pin on the account of it. Or in other - * words transfer the pinned ce object to tracked active request. - */ - GEM_BUG_ON(i915_active_is_idle(&ce->active)); - ret = i915_active_ref(&ce->active, rq->fence.context, rq); - if (ret) - goto out_add; - - ret = gen8_emit_rpcs_config(rq, ce, sseu); + /* Serialise with the remote context */ + ret = intel_context_prepare_remote_request(ce, rq); + if (ret == 0) + ret = gen8_emit_rpcs_config(rq, ce, sseu); -out_add: i915_request_add(rq); return ret; } @@ -2015,8 +1992,8 @@ static int clone_timeline(struct i915_gem_context *dst, GEM_BUG_ON(src->timeline == dst->timeline); if (dst->timeline) - i915_timeline_put(dst->timeline); - dst->timeline = i915_timeline_get(src->timeline); + intel_timeline_put(dst->timeline); + dst->timeline = intel_timeline_get(src->timeline); } return 0; @@ -2141,7 +2118,7 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, if (args->flags & I915_CONTEXT_CREATE_FLAGS_UNKNOWN) return -EINVAL; - ret = i915_terminally_wedged(i915); + ret = intel_gt_terminally_wedged(&i915->gt); if (ret) return ret; @@ -2287,8 +2264,8 @@ int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data, args->size = 0; if (ctx->vm) args->value = ctx->vm->total; - else if (to_i915(dev)->mm.aliasing_ppgtt) - args->value = to_i915(dev)->mm.aliasing_ppgtt->vm.total; + else if (to_i915(dev)->ggtt.alias) + args->value = to_i915(dev)->ggtt.alias->vm.total; else args->value = to_i915(dev)->ggtt.vm.total; break; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h b/drivers/gpu/drm/i915/gem/i915_gem_context.h index 9691dd062f72..106e2ccf7a4c 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h @@ -198,12 +198,6 @@ i915_gem_context_unlock_engines(struct i915_gem_context *ctx) } static inline struct intel_context * -i915_gem_context_lookup_engine(struct i915_gem_context *ctx, unsigned int idx) -{ - return i915_gem_context_engines(ctx)->engines[idx]; -} - -static inline struct intel_context * i915_gem_context_get_engine(struct i915_gem_context *ctx, unsigned int idx) { struct intel_context *ce = ERR_PTR(-EINVAL); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h index cc513410eeef..0ee61482ef94 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -26,7 +26,7 @@ struct pid; struct drm_i915_private; struct drm_i915_file_private; struct i915_address_space; -struct i915_timeline; +struct intel_timeline; struct intel_ring; struct i915_gem_engines { @@ -77,7 +77,7 @@ struct i915_gem_context { struct i915_gem_engines __rcu *engines; struct mutex engines_mutex; /* guards writes to engines */ - struct i915_timeline *timeline; + struct intel_timeline *timeline; /** * @vm: unique address space (GTT) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 5fae0e50aad0..cbd7c6e3a1f8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -16,6 +16,7 @@ #include "gem/i915_gem_ioctls.h" #include "gt/intel_context.h" +#include "gt/intel_gt.h" #include "gt/intel_gt_pm.h" #include "i915_gem_ioctls.h" @@ -222,7 +223,6 @@ struct i915_execbuffer { struct intel_engine_cs *engine; /** engine to queue the request to */ struct intel_context *context; /* logical state for the request */ struct i915_gem_context *gem_context; /** caller's context */ - struct i915_address_space *vm; /** GTT and vma for the request */ struct i915_request *request; /** our request to build */ struct i915_vma *batch; /** identity of the batch obj/vma */ @@ -696,7 +696,7 @@ static int eb_reserve(struct i915_execbuffer *eb) case 1: /* Too fragmented, unbind everything and retry */ - err = i915_gem_evict_vm(eb->vm); + err = i915_gem_evict_vm(eb->context->vm); if (err) return err; break; @@ -724,12 +724,8 @@ static int eb_select_context(struct i915_execbuffer *eb) return -ENOENT; eb->gem_context = ctx; - if (ctx->vm) { - eb->vm = ctx->vm; + if (ctx->vm) eb->invalid_flags |= EXEC_OBJECT_NEEDS_GTT; - } else { - eb->vm = &eb->i915->ggtt.vm; - } eb->context_flags = 0; if (test_bit(UCONTEXT_NO_ZEROMAP, &ctx->user_flags)) @@ -831,7 +827,7 @@ static int eb_lookup_vmas(struct i915_execbuffer *eb) goto err_vma; } - vma = i915_vma_instance(obj, eb->vm, NULL); + vma = i915_vma_instance(obj, eb->context->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto err_obj; @@ -994,7 +990,7 @@ static void reloc_gpu_flush(struct reloc_cache *cache) __i915_gem_object_flush_map(cache->rq->batch->obj, 0, cache->rq_size); i915_gem_object_unpin_map(cache->rq->batch->obj); - i915_gem_chipset_flush(cache->rq->i915); + intel_gt_chipset_flush(cache->rq->engine->gt); i915_request_add(cache->rq); cache->rq = NULL; @@ -1954,7 +1950,7 @@ static int eb_move_to_gpu(struct i915_execbuffer *eb) eb->exec = NULL; /* Unconditionally flush any chipset caches (for streaming writes). */ - i915_gem_chipset_flush(eb->i915); + intel_gt_chipset_flush(eb->engine->gt); return 0; err_skip: @@ -2129,7 +2125,7 @@ static int eb_pin_context(struct i915_execbuffer *eb, struct intel_context *ce) * ABI: Before userspace accesses the GPU (e.g. execbuffer), report * EIO if the GPU is already wedged. */ - err = i915_terminally_wedged(eb->i915); + err = intel_gt_terminally_wedged(ce->engine->gt); if (err) return err; @@ -2436,7 +2432,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, * wakeref that we hold until the GPU has been idle for at least * 100ms. */ - intel_gt_pm_get(eb.i915); + intel_gt_pm_get(&eb.i915->gt); err = i915_mutex_lock_interruptible(dev); if (err) @@ -2606,7 +2602,7 @@ err_engine: err_unlock: mutex_unlock(&dev->struct_mutex); err_rpm: - intel_gt_pm_put(eb.i915); + intel_gt_pm_put(&eb.i915->gt); i915_gem_context_put(eb.gem_context); err_destroy: eb_destroy(&eb); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 39a661927d8e..dfa525e37eb8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -7,6 +7,8 @@ #include <linux/mman.h> #include <linux/sizes.h> +#include "gt/intel_gt.h" + #include "i915_drv.h" #include "i915_gem_gtt.h" #include "i915_gem_ioctls.h" @@ -246,7 +248,7 @@ vm_fault_t i915_gem_fault(struct vm_fault *vmf) wakeref = intel_runtime_pm_get(rpm); - srcu = i915_reset_trylock(i915); + srcu = intel_gt_reset_trylock(ggtt->vm.gt); if (srcu < 0) { ret = srcu; goto err_rpm; @@ -326,7 +328,7 @@ err_unpin: err_unlock: mutex_unlock(&dev->struct_mutex); err_reset: - i915_reset_unlock(i915, srcu); + intel_gt_reset_unlock(ggtt->vm.gt, srcu); err_rpm: intel_runtime_pm_put(rpm, wakeref); i915_gem_object_unpin_pages(obj); @@ -339,7 +341,7 @@ err: * fail). But any other -EIO isn't ours (e.g. swap in failure) * and so needs to be reported. */ - if (!i915_terminally_wedged(i915)) + if (!intel_gt_is_wedged(ggtt->vm.gt)) return VM_FAULT_SIGBUS; /* else, fall through */ case -EAGAIN: diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index be6caccce0c5..d5197a2a106f 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -23,7 +23,7 @@ */ #include "display/intel_frontbuffer.h" - +#include "gt/intel_gt.h" #include "i915_drv.h" #include "i915_gem_clflush.h" #include "i915_gem_context.h" @@ -146,6 +146,19 @@ void i915_gem_close_object(struct drm_gem_object *gem, struct drm_file *file) } } +static void __i915_gem_free_object_rcu(struct rcu_head *head) +{ + struct drm_i915_gem_object *obj = + container_of(head, typeof(*obj), rcu); + struct drm_i915_private *i915 = to_i915(obj->base.dev); + + reservation_object_fini(&obj->base._resv); + i915_gem_object_free(obj); + + GEM_BUG_ON(!atomic_read(&i915->mm.free_count)); + atomic_dec(&i915->mm.free_count); +} + static void __i915_gem_free_objects(struct drm_i915_private *i915, struct llist_node *freed) { @@ -160,7 +173,6 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915, mutex_lock(&i915->drm.struct_mutex); - GEM_BUG_ON(i915_gem_object_is_active(obj)); list_for_each_entry_safe(vma, vn, &obj->vma.list, obj_link) { GEM_BUG_ON(i915_vma_is_active(vma)); vma->flags &= ~I915_VMA_PIN_MASK; @@ -169,22 +181,6 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915, GEM_BUG_ON(!list_empty(&obj->vma.list)); GEM_BUG_ON(!RB_EMPTY_ROOT(&obj->vma.tree)); - /* - * This serializes freeing with the shrinker. Since the free - * is delayed, first by RCU then by the workqueue, we want the - * shrinker to be able to free pages of unreferenced objects, - * or else we may oom whilst there are plenty of deferred - * freed objects. - */ - if (i915_gem_object_has_pages(obj) && - i915_gem_object_is_shrinkable(obj)) { - unsigned long flags; - - spin_lock_irqsave(&i915->mm.obj_lock, flags); - list_del_init(&obj->mm.link); - spin_unlock_irqrestore(&i915->mm.obj_lock, flags); - } - mutex_unlock(&i915->drm.struct_mutex); GEM_BUG_ON(atomic_read(&obj->bind_count)); @@ -192,25 +188,21 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915, GEM_BUG_ON(atomic_read(&obj->frontbuffer_bits)); GEM_BUG_ON(!list_empty(&obj->lut_list)); - if (obj->ops->release) - obj->ops->release(obj); - atomic_set(&obj->mm.pages_pin_count, 0); __i915_gem_object_put_pages(obj, I915_MM_NORMAL); GEM_BUG_ON(i915_gem_object_has_pages(obj)); + bitmap_free(obj->bit_17); if (obj->base.import_attach) drm_prime_gem_destroy(&obj->base, NULL); - drm_gem_object_release(&obj->base); + drm_gem_free_mmap_offset(&obj->base); - bitmap_free(obj->bit_17); - i915_gem_object_free(obj); - - GEM_BUG_ON(!atomic_read(&i915->mm.free_count)); - atomic_dec(&i915->mm.free_count); + if (obj->ops->release) + obj->ops->release(obj); - cond_resched(); + /* But keep the pointer alive for RCU-protected lookups */ + call_rcu(&obj->rcu, __i915_gem_free_object_rcu); } intel_runtime_pm_put(&i915->runtime_pm, wakeref); } @@ -261,18 +253,34 @@ static void __i915_gem_free_work(struct work_struct *work) spin_unlock(&i915->mm.free_lock); } -static void __i915_gem_free_object_rcu(struct rcu_head *head) +void i915_gem_free_object(struct drm_gem_object *gem_obj) { - struct drm_i915_gem_object *obj = - container_of(head, typeof(*obj), rcu); + struct drm_i915_gem_object *obj = to_intel_bo(gem_obj); struct drm_i915_private *i915 = to_i915(obj->base.dev); /* - * We reuse obj->rcu for the freed list, so we had better not treat - * it like a rcu_head from this point forwards. And we expect all - * objects to be freed via this path. + * Before we free the object, make sure any pure RCU-only + * read-side critical sections are complete, e.g. + * i915_gem_busy_ioctl(). For the corresponding synchronized + * lookup see i915_gem_object_lookup_rcu(). */ - destroy_rcu_head(&obj->rcu); + atomic_inc(&i915->mm.free_count); + + /* + * This serializes freeing with the shrinker. Since the free + * is delayed, first by RCU then by the workqueue, we want the + * shrinker to be able to free pages of unreferenced objects, + * or else we may oom whilst there are plenty of deferred + * freed objects. + */ + if (i915_gem_object_has_pages(obj) && + i915_gem_object_is_shrinkable(obj)) { + unsigned long flags; + + spin_lock_irqsave(&i915->mm.obj_lock, flags); + list_del_init(&obj->mm.link); + spin_unlock_irqrestore(&i915->mm.obj_lock, flags); + } /* * Since we require blocking on struct_mutex to unbind the freed @@ -288,20 +296,6 @@ static void __i915_gem_free_object_rcu(struct rcu_head *head) queue_work(i915->wq, &i915->mm.free_work); } -void i915_gem_free_object(struct drm_gem_object *gem_obj) -{ - struct drm_i915_gem_object *obj = to_intel_bo(gem_obj); - - /* - * Before we free the object, make sure any pure RCU-only - * read-side critical sections are complete, e.g. - * i915_gem_busy_ioctl(). For the corresponding synchronized - * lookup see i915_gem_object_lookup_rcu(). - */ - atomic_inc(&to_i915(obj->base.dev)->mm.free_count); - call_rcu(&obj->rcu, __i915_gem_free_object_rcu); -} - static inline enum fb_op_origin fb_write_origin(struct drm_i915_gem_object *obj, unsigned int domain) { @@ -319,7 +313,6 @@ void i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj, unsigned int flush_domains) { - struct drm_i915_private *dev_priv = to_i915(obj->base.dev); struct i915_vma *vma; assert_object_held(obj); @@ -329,7 +322,8 @@ i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj, switch (obj->write_domain) { case I915_GEM_DOMAIN_GTT: - i915_gem_flush_ggtt_writes(dev_priv); + for_each_ggtt_vma(vma, obj) + intel_gt_flush_ggtt_writes(vma->vm->gt); intel_fb_obj_flush(obj, fb_write_origin(obj, I915_GEM_DOMAIN_GTT)); @@ -340,6 +334,7 @@ i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj, i915_vma_unset_ggtt_write(vma); } + break; case I915_GEM_DOMAIN_WC: diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index dfebd5706f16..67aea07ea019 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -81,7 +81,7 @@ i915_gem_object_lookup(struct drm_file *file, u32 handle) } __deprecated -extern struct drm_gem_object * +struct drm_gem_object * drm_gem_object_lookup(struct drm_file *file, u32 handle); __attribute__((nonnull)) @@ -159,12 +159,6 @@ i915_gem_object_needs_async_cancel(const struct drm_i915_gem_object *obj) } static inline bool -i915_gem_object_is_active(const struct drm_i915_gem_object *obj) -{ - return READ_ONCE(obj->active_count); -} - -static inline bool i915_gem_object_is_framebuffer(const struct drm_i915_gem_object *obj) { return READ_ONCE(obj->framebuffer_references); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_blt.c b/drivers/gpu/drm/i915/gem/i915_gem_object_blt.c index cb42e3a312e2..685064af32d1 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_blt.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_blt.c @@ -47,15 +47,11 @@ int i915_gem_object_fill_blt(struct drm_i915_gem_object *obj, struct intel_context *ce, u32 value) { - struct drm_i915_private *i915 = to_i915(obj->base.dev); - struct i915_gem_context *ctx = ce->gem_context; - struct i915_address_space *vm = ctx->vm ?: &i915->ggtt.vm; struct i915_request *rq; struct i915_vma *vma; int err; - /* XXX: ce->vm please */ - vma = i915_vma_instance(obj, vm, NULL); + vma = i915_vma_instance(obj, ce->vm, NULL); if (IS_ERR(vma)) return PTR_ERR(vma); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index 18bf4f8d6d80..34b51fad02de 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -154,7 +154,6 @@ struct drm_i915_gem_object { /** Count of VMA actually bound by this object */ atomic_t bind_count; - unsigned int active_count; /** Count of how many global VMA are currently pinned for use by HW */ unsigned int pin_global; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c index 2deac933cf59..102fd7a23d3d 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c @@ -13,6 +13,7 @@ #include <drm/drm_legacy.h> /* for drm_pci.h! */ #include <drm/drm_pci.h> +#include "gt/intel_gt.h" #include "i915_drv.h" #include "i915_gem_object.h" #include "i915_scatterlist.h" @@ -60,7 +61,7 @@ static int i915_gem_object_get_pages_phys(struct drm_i915_gem_object *obj) vaddr += PAGE_SIZE; } - i915_gem_chipset_flush(to_i915(obj->base.dev)); + intel_gt_chipset_flush(&to_i915(obj->base.dev)->gt); st = kmalloc(sizeof(*st), GFP_KERNEL); if (!st) { @@ -132,16 +133,9 @@ i915_gem_object_put_pages_phys(struct drm_i915_gem_object *obj, drm_pci_free(obj->base.dev, obj->phys_handle); } -static void -i915_gem_object_release_phys(struct drm_i915_gem_object *obj) -{ - i915_gem_object_unpin_pages(obj); -} - static const struct drm_i915_gem_object_ops i915_gem_phys_ops = { .get_pages = i915_gem_object_get_pages_phys, .put_pages = i915_gem_object_put_pages_phys, - .release = i915_gem_object_release_phys, }; int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align) @@ -158,7 +152,7 @@ int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, int align) if (obj->ops != &i915_gem_shmem_ops) return -EINVAL; - err = i915_gem_object_unbind(obj); + err = i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE); if (err) return err; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_pm.c index 914b5d4112bb..b5561cbdc5ea 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pm.c @@ -5,6 +5,7 @@ */ #include "gem/i915_gem_pm.h" +#include "gt/intel_gt.h" #include "gt/intel_gt_pm.h" #include "i915_drv.h" @@ -38,7 +39,7 @@ static void i915_gem_park(struct drm_i915_private *i915) i915_gem_batch_pool_fini(&engine->batch_pool); } - i915_timelines_park(i915); + intel_timelines_park(i915); i915_vma_parked(i915); i915_globals_park(); @@ -54,7 +55,8 @@ static void idle_work_handler(struct work_struct *work) mutex_lock(&i915->drm.struct_mutex); intel_wakeref_lock(&i915->gt.wakeref); - park = !intel_wakeref_active(&i915->gt.wakeref) && !work_pending(work); + park = (!intel_wakeref_is_active(&i915->gt.wakeref) && + !work_pending(work)); intel_wakeref_unlock(&i915->gt.wakeref); if (park) i915_gem_park(i915); @@ -105,18 +107,18 @@ static int pm_notifier(struct notifier_block *nb, return NOTIFY_OK; } -static bool switch_to_kernel_context_sync(struct drm_i915_private *i915) +static bool switch_to_kernel_context_sync(struct intel_gt *gt) { - bool result = !i915_terminally_wedged(i915); + bool result = !intel_gt_is_wedged(gt); do { - if (i915_gem_wait_for_idle(i915, + if (i915_gem_wait_for_idle(gt->i915, I915_WAIT_LOCKED | I915_WAIT_FOR_IDLE_BOOST, I915_GEM_IDLE_TIMEOUT) == -ETIME) { /* XXX hide warning from gem_eio */ if (i915_modparams.reset) { - dev_err(i915->drm.dev, + dev_err(gt->i915->drm.dev, "Failed to idle engines, declaring wedged!\n"); GEM_TRACE_DUMP(); } @@ -125,18 +127,18 @@ static bool switch_to_kernel_context_sync(struct drm_i915_private *i915) * Forcibly cancel outstanding work and leave * the gpu quiet. */ - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); result = false; } - } while (i915_retire_requests(i915) && result); + } while (i915_retire_requests(gt->i915) && result); - GEM_BUG_ON(i915->gt.awake); + GEM_BUG_ON(gt->awake); return result; } bool i915_gem_load_power_context(struct drm_i915_private *i915) { - return switch_to_kernel_context_sync(i915); + return switch_to_kernel_context_sync(&i915->gt); } void i915_gem_suspend(struct drm_i915_private *i915) @@ -157,7 +159,7 @@ void i915_gem_suspend(struct drm_i915_private *i915) * state. Fortunately, the kernel_context is disposable and we do * not rely on its state. */ - switch_to_kernel_context_sync(i915); + switch_to_kernel_context_sync(&i915->gt); mutex_unlock(&i915->drm.struct_mutex); @@ -168,11 +170,11 @@ void i915_gem_suspend(struct drm_i915_private *i915) GEM_BUG_ON(i915->gt.awake); flush_work(&i915->gem.idle_work); - cancel_delayed_work_sync(&i915->gpu_error.hangcheck_work); + cancel_delayed_work_sync(&i915->gt.hangcheck.work); i915_gem_drain_freed_objects(i915); - intel_uc_suspend(i915); + intel_uc_suspend(&i915->gt.uc); } static struct drm_i915_gem_object *first_mm_object(struct list_head *list) @@ -237,7 +239,6 @@ void i915_gem_suspend_late(struct drm_i915_private *i915) } spin_unlock_irqrestore(&i915->mm.obj_lock, flags); - intel_uc_sanitize(i915); i915_gem_sanitize(i915); } @@ -261,10 +262,10 @@ void i915_gem_resume(struct drm_i915_private *i915) * guarantee that the context image is complete. So let's just reset * it and start again. */ - if (intel_gt_resume(i915)) + if (intel_gt_resume(&i915->gt)) goto err_wedged; - intel_uc_resume(i915); + intel_uc_resume(&i915->gt.uc); /* Always reload a context for powersaving. */ if (!i915_gem_load_power_context(i915)) @@ -276,10 +277,10 @@ out_unlock: return; err_wedged: - if (!i915_reset_failed(i915)) { + if (!intel_gt_is_wedged(&i915->gt)) { dev_err(i915->drm.dev, "Failed to re-initialize GPU, declaring it wedged!\n"); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); } goto out_unlock; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c index 19d9ecdb2894..d2a1158868e7 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c @@ -414,6 +414,11 @@ shmem_pwrite(struct drm_i915_gem_object *obj, return 0; } +static void shmem_release(struct drm_i915_gem_object *obj) +{ + fput(obj->base.filp); +} + const struct drm_i915_gem_object_ops i915_gem_shmem_ops = { .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE | I915_GEM_OBJECT_IS_SHRINKABLE, @@ -424,6 +429,8 @@ const struct drm_i915_gem_object_ops i915_gem_shmem_ops = { .writeback = shmem_writeback, .pwrite = shmem_pwrite, + + .release = shmem_release, }; static int create_shmem(struct drm_i915_private *i915, diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c index 3a926a8755c6..3f4c6bdcc3c3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c @@ -88,10 +88,18 @@ static bool can_release_pages(struct drm_i915_gem_object *obj) return swap_available() || obj->mm.madv == I915_MADV_DONTNEED; } -static bool unsafe_drop_pages(struct drm_i915_gem_object *obj) +static bool unsafe_drop_pages(struct drm_i915_gem_object *obj, + unsigned long shrink) { - if (i915_gem_object_unbind(obj) == 0) + unsigned long flags; + + flags = 0; + if (shrink & I915_SHRINK_ACTIVE) + flags = I915_GEM_OBJECT_UNBIND_ACTIVE; + + if (i915_gem_object_unbind(obj, flags) == 0) __i915_gem_object_put_pages(obj, I915_MM_SHRINKER); + return !i915_gem_object_has_pages(obj); } @@ -169,7 +177,6 @@ i915_gem_shrink(struct drm_i915_private *i915, */ trace_i915_gem_shrink(i915, target, shrink); - i915_retire_requests(i915); /* * Unbinding of objects will require HW access; Let us not wake the @@ -230,8 +237,7 @@ i915_gem_shrink(struct drm_i915_private *i915, continue; if (!(shrink & I915_SHRINK_ACTIVE) && - (i915_gem_object_is_active(obj) || - i915_gem_object_is_framebuffer(obj))) + i915_gem_object_is_framebuffer(obj)) continue; if (!(shrink & I915_SHRINK_BOUND) && @@ -246,7 +252,7 @@ i915_gem_shrink(struct drm_i915_private *i915, spin_unlock_irqrestore(&i915->mm.obj_lock, flags); - if (unsafe_drop_pages(obj)) { + if (unsafe_drop_pages(obj, shrink)) { /* May arrive from get_pages on another bo */ mutex_lock_nested(&obj->mm.lock, I915_MM_SHRINKER); @@ -269,8 +275,6 @@ i915_gem_shrink(struct drm_i915_private *i915, if (shrink & I915_SHRINK_BOUND) intel_runtime_pm_put(&i915->runtime_pm, wakeref); - i915_retire_requests(i915); - shrinker_unlock(i915, unlock); if (nr_scanned) @@ -427,12 +431,6 @@ i915_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr if (!shrinker_lock(i915, 0, &unlock)) return NOTIFY_DONE; - /* Force everything onto the inactive lists */ - if (i915_gem_wait_for_idle(i915, - I915_WAIT_LOCKED, - MAX_SCHEDULE_TIMEOUT)) - goto out; - with_intel_runtime_pm(&i915->runtime_pm, wakeref) freed_pages += i915_gem_shrink(i915, -1UL, NULL, I915_SHRINK_BOUND | @@ -455,7 +453,6 @@ i915_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr } mutex_unlock(&i915->ggtt.vm.mutex); -out: shrinker_unlock(i915, unlock); *(unsigned long *)ptr += freed_pages; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index de1fab2058ec..639c852bad12 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -529,8 +529,6 @@ i915_gem_object_release_stolen(struct drm_i915_gem_object *obj) GEM_BUG_ON(!stolen); - __i915_gem_object_unpin_pages(obj); - i915_gem_stolen_remove_node(dev_priv, stolen); kfree(stolen); } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_throttle.c b/drivers/gpu/drm/i915/gem/i915_gem_throttle.c index adb3074d9ce2..1e372420771b 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_throttle.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_throttle.c @@ -41,7 +41,7 @@ i915_gem_throttle_ioctl(struct drm_device *dev, void *data, long ret; /* ABI: return -EIO if already wedged */ - ret = i915_terminally_wedged(to_i915(dev)); + ret = intel_gt_terminally_wedged(&to_i915(dev)->gt); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 2caa594322bc..b9d2bb15e4a6 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -150,7 +150,8 @@ userptr_mn_invalidate_range_start(struct mmu_notifier *_mn, } } - ret = i915_gem_object_unbind(obj); + ret = i915_gem_object_unbind(obj, + I915_GEM_OBJECT_UNBIND_ACTIVE); if (ret == 0) ret = __i915_gem_object_put_pages(obj, I915_MM_SHRINKER); i915_gem_object_put(obj); @@ -662,6 +663,14 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj, __i915_gem_object_release_shmem(obj, pages, true); i915_gem_gtt_finish_pages(obj, pages); + /* + * We always mark objects as dirty when they are used by the GPU, + * just in case. However, if we set the vma as being read-only we know + * that the object will never have been written to. + */ + if (i915_gem_object_is_readonly(obj)) + obj->mm.dirty = false; + for_each_sgt_page(page, sgt_iter, pages) { if (obj->mm.dirty) /* diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c index b74729b6f353..6cbd4a668c9a 100644 --- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c @@ -10,6 +10,8 @@ #include "gem/i915_gem_pm.h" +#include "gt/intel_gt.h" + #include "igt_gem_utils.h" #include "mock_context.h" @@ -926,7 +928,7 @@ gpu_write_dw(struct i915_vma *vma, u64 offset, u32 val) } *cmd = MI_BATCH_BUFFER_END; - i915_gem_chipset_flush(i915); + intel_gt_chipset_flush(vma->vm->gt); i915_gem_object_unpin_map(obj); @@ -1037,8 +1039,7 @@ static int __igt_write_huge(struct i915_gem_context *ctx, u64 size, u64 offset, u32 dword, u32 val) { - struct drm_i915_private *i915 = to_i915(obj->base.dev); - struct i915_address_space *vm = ctx->vm ?: &i915->ggtt.vm; + struct i915_address_space *vm = ctx->vm ?: &engine->gt->ggtt->vm; unsigned int flags = PIN_USER | PIN_OFFSET_FIXED; struct i915_vma *vma; int err; @@ -1421,6 +1422,9 @@ static int igt_ppgtt_pin_update(void *arg) struct drm_i915_gem_object *obj; struct i915_vma *vma; unsigned int flags = PIN_USER | PIN_OFFSET_FIXED; + struct intel_engine_cs *engine; + enum intel_engine_id id; + unsigned int n; int first, last; int err; @@ -1518,11 +1522,20 @@ static int igt_ppgtt_pin_update(void *arg) * land in the now stale 2M page. */ - err = gpu_write(vma, ctx, dev_priv->engine[RCS0], 0, 0xdeadbeaf); - if (err) - goto out_unpin; + n = 0; + for_each_engine(engine, dev_priv, id) { + if (!intel_engine_can_store_dword(engine)) + continue; - err = cpu_check(obj, 0, 0xdeadbeaf); + err = gpu_write(vma, ctx, engine, n++, 0xdeadbeaf); + if (err) + goto out_unpin; + } + while (n--) { + err = cpu_check(obj, n, 0xdeadbeaf); + if (err) + goto out_unpin; + } out_unpin: i915_vma_unpin(vma); @@ -1598,8 +1611,11 @@ static int igt_shrink_thp(void *arg) struct drm_i915_private *i915 = ctx->i915; struct i915_address_space *vm = ctx->vm ?: &i915->ggtt.vm; struct drm_i915_gem_object *obj; + struct intel_engine_cs *engine; + enum intel_engine_id id; struct i915_vma *vma; unsigned int flags = PIN_USER; + unsigned int n; int err; /* @@ -1635,9 +1651,15 @@ static int igt_shrink_thp(void *arg) if (err) goto out_unpin; - err = gpu_write(vma, ctx, i915->engine[RCS0], 0, 0xdeadbeaf); - if (err) - goto out_unpin; + n = 0; + for_each_engine(engine, i915, id) { + if (!intel_engine_can_store_dword(engine)) + continue; + + err = gpu_write(vma, ctx, engine, n++, 0xdeadbeaf); + if (err) + goto out_unpin; + } i915_vma_unpin(vma); @@ -1662,7 +1684,12 @@ static int igt_shrink_thp(void *arg) if (err) goto out_close; - err = cpu_check(obj, 0, 0xdeadbeaf); + while (n--) { + err = cpu_check(obj, n, 0xdeadbeaf); + if (err) + goto out_unpin; + } + out_unpin: i915_vma_unpin(vma); @@ -1726,7 +1753,7 @@ out_unlock: return err; } -int i915_gem_huge_page_live_selftests(struct drm_i915_private *dev_priv) +int i915_gem_huge_page_live_selftests(struct drm_i915_private *i915) { static const struct i915_subtest tests[] = { SUBTEST(igt_shrink_thp), @@ -1741,22 +1768,22 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *dev_priv) intel_wakeref_t wakeref; int err; - if (!HAS_PPGTT(dev_priv)) { + if (!HAS_PPGTT(i915)) { pr_info("PPGTT not supported, skipping live-selftests\n"); return 0; } - if (i915_terminally_wedged(dev_priv)) + if (intel_gt_is_wedged(&i915->gt)) return 0; - file = mock_file(dev_priv); + file = mock_file(i915); if (IS_ERR(file)) return PTR_ERR(file); - mutex_lock(&dev_priv->drm.struct_mutex); - wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); + mutex_lock(&i915->drm.struct_mutex); + wakeref = intel_runtime_pm_get(&i915->runtime_pm); - ctx = live_context(dev_priv, file); + ctx = live_context(i915, file); if (IS_ERR(ctx)) { err = PTR_ERR(ctx); goto out_unlock; @@ -1768,10 +1795,10 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *dev_priv) err = i915_subtests(tests, ctx); out_unlock: - intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); - mutex_unlock(&dev_priv->drm.struct_mutex); + intel_runtime_pm_put(&i915->runtime_pm, wakeref); + mutex_unlock(&i915->drm.struct_mutex); - mock_file_free(dev_priv, file); + mock_file_free(i915, file); return err; } diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c index f3a5eb807c1c..275c28926067 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c @@ -5,14 +5,16 @@ #include "i915_selftest.h" +#include "gt/intel_gt.h" + #include "selftests/igt_flush_test.h" #include "selftests/mock_drm.h" #include "mock_context.h" static int igt_client_fill(void *arg) { - struct intel_context *ce = arg; - struct drm_i915_private *i915 = ce->gem_context->i915; + struct drm_i915_private *i915 = arg; + struct intel_context *ce = i915->engine[BCS0]->kernel_context; struct drm_i915_gem_object *obj; struct rnd_state prng; IGT_TIMEOUT(end); @@ -63,17 +65,6 @@ static int igt_client_fill(void *arg) if (err) goto err_unpin; - /* - * XXX: For now do the wait without the object resv lock to - * ensure we don't deadlock. - */ - err = i915_gem_object_wait(obj, - I915_WAIT_INTERRUPTIBLE | - I915_WAIT_ALL, - MAX_SCHEDULE_TIMEOUT); - if (err) - goto err_unpin; - i915_gem_object_lock(obj); err = i915_gem_object_set_to_cpu_domain(obj, false); i915_gem_object_unlock(obj); @@ -100,11 +91,6 @@ err_unpin: err_put: i915_gem_object_put(obj); err_flush: - mutex_lock(&i915->drm.struct_mutex); - if (igt_flush_test(i915, I915_WAIT_LOCKED)) - err = -EIO; - mutex_unlock(&i915->drm.struct_mutex); - if (err == -ENOMEM) err = 0; @@ -117,11 +103,11 @@ int i915_gem_client_blt_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_client_fill), }; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) return 0; if (!HAS_ENGINE(i915, BCS0)) return 0; - return i915_subtests(tests, i915->engine[BCS0]->kernel_context); + return i915_live_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c index 8f22d3f18422..a1a4b53cdc4a 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c @@ -6,6 +6,8 @@ #include <linux/prime_numbers.h> +#include "gt/intel_gt.h" + #include "i915_selftest.h" #include "selftests/i915_random.h" @@ -242,12 +244,15 @@ static bool always_valid(struct drm_i915_private *i915) static bool needs_fence_registers(struct drm_i915_private *i915) { - return !i915_terminally_wedged(i915); + return !intel_gt_is_wedged(&i915->gt); } static bool needs_mi_store_dword(struct drm_i915_private *i915) { - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) + return false; + + if (!HAS_ENGINE(i915, RCS0)) return false; return intel_engine_can_store_dword(i915->engine[RCS0]); diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c index eaa2b16574c7..7f9f6701b32c 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c @@ -7,6 +7,7 @@ #include <linux/prime_numbers.h> #include "gem/i915_gem_pm.h" +#include "gt/intel_gt.h" #include "gt/intel_reset.h" #include "i915_selftest.h" @@ -31,7 +32,6 @@ static int live_nop_switch(void *arg) struct intel_engine_cs *engine; struct i915_gem_context **ctx; enum intel_engine_id id; - intel_wakeref_t wakeref; struct igt_live_test t; struct drm_file *file; unsigned long n; @@ -53,7 +53,6 @@ static int live_nop_switch(void *arg) return PTR_ERR(file); mutex_lock(&i915->drm.struct_mutex); - wakeref = intel_runtime_pm_get(&i915->runtime_pm); ctx = kcalloc(nctx, sizeof(*ctx), GFP_KERNEL); if (!ctx) { @@ -85,7 +84,7 @@ static int live_nop_switch(void *arg) } if (i915_request_wait(rq, 0, HZ / 5) < 0) { pr_err("Failed to populated %d contexts\n", nctx); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto out_unlock; } @@ -129,7 +128,7 @@ static int live_nop_switch(void *arg) if (i915_request_wait(rq, 0, HZ / 5) < 0) { pr_err("Switching between %ld contexts timed out\n", prime); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); break; } @@ -152,7 +151,6 @@ static int live_nop_switch(void *arg) } out_unlock: - intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); mock_file_free(i915, file); return err; @@ -237,8 +235,7 @@ static int gpu_fill(struct drm_i915_gem_object *obj, struct intel_engine_cs *engine, unsigned int dw) { - struct drm_i915_private *i915 = to_i915(obj->base.dev); - struct i915_address_space *vm = ctx->vm ?: &i915->ggtt.vm; + struct i915_address_space *vm = ctx->vm ?: &engine->gt->ggtt->vm; struct i915_request *rq; struct i915_vma *vma; struct i915_vma *batch; @@ -431,6 +428,9 @@ create_test_object(struct i915_gem_context *ctx, u64 size; int err; + /* Keep in GEM's good graces */ + i915_retire_requests(ctx->i915); + size = min(vm->total / 2, 1024ull * DW_PER_PAGE * PAGE_SIZE); size = round_down(size, DW_PER_PAGE * PAGE_SIZE); @@ -507,7 +507,6 @@ static int igt_ctx_exec(void *arg) dw = 0; while (!time_after(jiffies, end_time)) { struct i915_gem_context *ctx; - intel_wakeref_t wakeref; ctx = live_context(i915, file); if (IS_ERR(ctx)) { @@ -523,8 +522,7 @@ static int igt_ctx_exec(void *arg) } } - with_intel_runtime_pm(&i915->runtime_pm, wakeref) - err = gpu_fill(obj, ctx, engine, dw); + err = gpu_fill(obj, ctx, engine, dw); if (err) { pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) in ctx %u [full-ppgtt? %s], err=%d\n", ndwords, dw, max_dwords(obj), @@ -565,6 +563,8 @@ out_unlock: mock_file_free(i915, file); if (err) return err; + + i915_gem_drain_freed_objects(i915); } return 0; @@ -623,7 +623,6 @@ static int igt_shared_ctx_exec(void *arg) ncontexts = 0; while (!time_after(jiffies, end_time)) { struct i915_gem_context *ctx; - intel_wakeref_t wakeref; ctx = kernel_context(i915); if (IS_ERR(ctx)) { @@ -642,9 +641,7 @@ static int igt_shared_ctx_exec(void *arg) } } - err = 0; - with_intel_runtime_pm(&i915->runtime_pm, wakeref) - err = gpu_fill(obj, ctx, engine, dw); + err = gpu_fill(obj, ctx, engine, dw); if (err) { pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) in ctx %u [full-ppgtt? %s], err=%d\n", ndwords, dw, max_dwords(obj), @@ -678,6 +675,10 @@ static int igt_shared_ctx_exec(void *arg) dw += rem; } + + mutex_unlock(&i915->drm.struct_mutex); + i915_gem_drain_freed_objects(i915); + mutex_lock(&i915->drm.struct_mutex); } out_test: if (igt_live_test_end(&t)) @@ -746,7 +747,7 @@ emit_rpcs_query(struct drm_i915_gem_object *obj, GEM_BUG_ON(!intel_engine_can_store_dword(ce->engine)); - vma = i915_vma_instance(obj, ce->gem_context->vm, NULL); + vma = i915_vma_instance(obj, ce->vm, NULL); if (IS_ERR(vma)) return PTR_ERR(vma); @@ -956,7 +957,7 @@ __sseu_finish(struct drm_i915_private *i915, int ret = 0; if (flags & TEST_RESET) { - ret = i915_reset_engine(ce->engine, "sseu"); + ret = intel_engine_reset(ce->engine, "sseu"); if (ret) goto out; } @@ -1025,35 +1026,33 @@ __igt_ctx_sseu(struct drm_i915_private *i915, unsigned int flags) { struct intel_engine_cs *engine = i915->engine[RCS0]; - struct intel_sseu default_sseu = engine->sseu; struct drm_i915_gem_object *obj; struct i915_gem_context *ctx; struct intel_context *ce; struct intel_sseu pg_sseu; - intel_wakeref_t wakeref; struct drm_file *file; int ret; - if (INTEL_GEN(i915) < 9) + if (INTEL_GEN(i915) < 9 || !engine) return 0; if (!RUNTIME_INFO(i915)->sseu.has_slice_pg) return 0; - if (hweight32(default_sseu.slice_mask) < 2) + if (hweight32(engine->sseu.slice_mask) < 2) return 0; /* * Gen11 VME friendly power-gated configuration with half enabled * sub-slices. */ - pg_sseu = default_sseu; + pg_sseu = engine->sseu; pg_sseu.slice_mask = 1; pg_sseu.subslice_mask = - ~(~0 << (hweight32(default_sseu.subslice_mask) / 2)); + ~(~0 << (hweight32(engine->sseu.subslice_mask) / 2)); pr_info("SSEU subtest '%s', flags=%x, def_slices=%u, pg_slices=%u\n", - name, flags, hweight32(default_sseu.slice_mask), + name, flags, hweight32(engine->sseu.slice_mask), hweight32(pg_sseu.slice_mask)); file = mock_file(i915); @@ -1061,7 +1060,7 @@ __igt_ctx_sseu(struct drm_i915_private *i915, return PTR_ERR(file); if (flags & TEST_RESET) - igt_global_reset_lock(i915); + igt_global_reset_lock(&i915->gt); mutex_lock(&i915->drm.struct_mutex); @@ -1078,12 +1077,10 @@ __igt_ctx_sseu(struct drm_i915_private *i915, goto out_unlock; } - wakeref = intel_runtime_pm_get(&i915->runtime_pm); - ce = i915_gem_context_get_engine(ctx, RCS0); if (IS_ERR(ce)) { ret = PTR_ERR(ce); - goto out_rpm; + goto out_put; } ret = intel_context_pin(ce); @@ -1091,7 +1088,7 @@ __igt_ctx_sseu(struct drm_i915_private *i915, goto out_context; /* First set the default mask. */ - ret = __sseu_test(i915, name, flags, ce, obj, default_sseu); + ret = __sseu_test(i915, name, flags, ce, obj, engine->sseu); if (ret) goto out_fail; @@ -1101,7 +1098,7 @@ __igt_ctx_sseu(struct drm_i915_private *i915, goto out_fail; /* Back to defaults. */ - ret = __sseu_test(i915, name, flags, ce, obj, default_sseu); + ret = __sseu_test(i915, name, flags, ce, obj, engine->sseu); if (ret) goto out_fail; @@ -1117,15 +1114,14 @@ out_fail: intel_context_unpin(ce); out_context: intel_context_put(ce); -out_rpm: - intel_runtime_pm_put(&i915->runtime_pm, wakeref); +out_put: i915_gem_object_put(obj); out_unlock: mutex_unlock(&i915->drm.struct_mutex); if (flags & TEST_RESET) - igt_global_reset_unlock(i915); + igt_global_reset_unlock(&i915->gt); mock_file_free(i915, file); @@ -1194,7 +1190,7 @@ static int igt_ctx_readonly(void *arg) goto out_unlock; } - vm = ctx->vm ?: &i915->mm.aliasing_ppgtt->vm; + vm = ctx->vm ?: &i915->ggtt.alias->vm; if (!vm || !vm->has_read_only) { err = 0; goto out_unlock; @@ -1207,8 +1203,6 @@ static int igt_ctx_readonly(void *arg) unsigned int id; for_each_engine(engine, i915, id) { - intel_wakeref_t wakeref; - if (!intel_engine_can_store_dword(engine)) continue; @@ -1223,9 +1217,7 @@ static int igt_ctx_readonly(void *arg) i915_gem_object_set_readonly(obj); } - err = 0; - with_intel_runtime_pm(&i915->runtime_pm, wakeref) - err = gpu_fill(obj, ctx, engine, dw); + err = gpu_fill(obj, ctx, engine, dw); if (err) { pr_err("Failed to fill dword %lu [%lu/%lu] with gpu (%s) in ctx %u [full-ppgtt? %s], err=%d\n", ndwords, dw, max_dwords(obj), @@ -1488,7 +1480,6 @@ static int igt_vm_isolation(void *arg) struct drm_i915_private *i915 = arg; struct i915_gem_context *ctx_a, *ctx_b; struct intel_engine_cs *engine; - intel_wakeref_t wakeref; struct igt_live_test t; struct drm_file *file; I915_RND_STATE(prng); @@ -1535,8 +1526,6 @@ static int igt_vm_isolation(void *arg) GEM_BUG_ON(ctx_b->vm->total != vm_total); vm_total -= I915_GTT_PAGE_SIZE; - wakeref = intel_runtime_pm_get(&i915->runtime_pm); - count = 0; for_each_engine(engine, i915, id) { IGT_TIMEOUT(end_time); @@ -1551,7 +1540,7 @@ static int igt_vm_isolation(void *arg) div64_u64_rem(i915_prandom_u64_state(&prng), vm_total, &offset); - offset &= -sizeof(u32); + offset = round_down(offset, alignof_dword); offset += I915_GTT_PAGE_SIZE; err = write_to_scratch(ctx_a, engine, @@ -1560,7 +1549,7 @@ static int igt_vm_isolation(void *arg) err = read_from_scratch(ctx_b, engine, offset, &value); if (err) - goto out_rpm; + goto out_unlock; if (value) { pr_err("%s: Read %08x from scratch (offset 0x%08x_%08x), after %lu reads!\n", @@ -1569,7 +1558,7 @@ static int igt_vm_isolation(void *arg) lower_32_bits(offset), this); err = -EINVAL; - goto out_rpm; + goto out_unlock; } this++; @@ -1579,8 +1568,6 @@ static int igt_vm_isolation(void *arg) pr_info("Checked %lu scratch offsets across %d engines\n", count, RUNTIME_INFO(i915)->num_engines); -out_rpm: - intel_runtime_pm_put(&i915->runtime_pm, wakeref); out_unlock: if (igt_live_test_end(&t)) err = -EIO; @@ -1736,7 +1723,7 @@ int i915_gem_context_mock_selftests(void) return err; } -int i915_gem_context_live_selftests(struct drm_i915_private *dev_priv) +int i915_gem_context_live_selftests(struct drm_i915_private *i915) { static const struct i915_subtest tests[] = { SUBTEST(live_nop_switch), @@ -1747,8 +1734,8 @@ int i915_gem_context_live_selftests(struct drm_i915_private *dev_priv) SUBTEST(igt_vm_isolation), }; - if (i915_terminally_wedged(dev_priv)) + if (intel_gt_is_wedged(&i915->gt)) return 0; - return i915_subtests(tests, dev_priv); + return i915_live_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c index 5c81f4b4813a..01857c12f12f 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -6,6 +6,7 @@ #include <linux/prime_numbers.h> +#include "gt/intel_gt.h" #include "gt/intel_gt_pm.h" #include "huge_gem_object.h" #include "i915_selftest.h" @@ -143,7 +144,7 @@ static int check_partial_mapping(struct drm_i915_gem_object *obj, if (offset >= obj->base.size) continue; - i915_gem_flush_ggtt_writes(to_i915(obj->base.dev)); + intel_gt_flush_ggtt_writes(&to_i915(obj->base.dev)->gt); p = i915_gem_object_get_page(obj, offset >> PAGE_SHIFT); cpu = kmap(p) + offset_in_page(offset); @@ -327,7 +328,8 @@ out: static int make_obj_busy(struct drm_i915_gem_object *obj) { struct drm_i915_private *i915 = to_i915(obj->base.dev); - struct i915_request *rq; + struct intel_engine_cs *engine; + enum intel_engine_id id; struct i915_vma *vma; int err; @@ -339,17 +341,21 @@ static int make_obj_busy(struct drm_i915_gem_object *obj) if (err) return err; - rq = i915_request_create(i915->engine[RCS0]->kernel_context); - if (IS_ERR(rq)) { - i915_vma_unpin(vma); - return PTR_ERR(rq); - } + for_each_engine(engine, i915, id) { + struct i915_request *rq; + + rq = i915_request_create(engine->kernel_context); + if (IS_ERR(rq)) { + i915_vma_unpin(vma); + return PTR_ERR(rq); + } - i915_vma_lock(vma); - err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); - i915_vma_unlock(vma); + i915_vma_lock(vma); + err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE); + i915_vma_unlock(vma); - i915_request_add(rq); + i915_request_add(rq); + } i915_vma_unpin(vma); i915_gem_object_put(obj); /* leave it only alive via its active ref */ @@ -378,7 +384,7 @@ static void disable_retire_worker(struct drm_i915_private *i915) { i915_gem_shrinker_unregister(i915); - intel_gt_pm_get(i915); + intel_gt_pm_get(&i915->gt); cancel_delayed_work_sync(&i915->gem.retire_work); flush_work(&i915->gem.idle_work); @@ -386,7 +392,7 @@ static void disable_retire_worker(struct drm_i915_private *i915) static void restore_retire_worker(struct drm_i915_private *i915) { - intel_gt_pm_put(i915); + intel_gt_pm_put(&i915->gt); mutex_lock(&i915->drm.struct_mutex); igt_flush_test(i915, I915_WAIT_LOCKED); @@ -395,6 +401,18 @@ static void restore_retire_worker(struct drm_i915_private *i915) i915_gem_shrinker_register(i915); } +static void mmap_offset_lock(struct drm_i915_private *i915) + __acquires(&i915->drm.vma_offset_manager->vm_lock) +{ + write_lock(&i915->drm.vma_offset_manager->vm_lock); +} + +static void mmap_offset_unlock(struct drm_i915_private *i915) + __releases(&i915->drm.vma_offset_manager->vm_lock) +{ + write_unlock(&i915->drm.vma_offset_manager->vm_lock); +} + static int igt_mmap_offset_exhaustion(void *arg) { struct drm_i915_private *i915 = arg; @@ -413,7 +431,9 @@ static int igt_mmap_offset_exhaustion(void *arg) drm_mm_for_each_hole(hole, mm, hole_start, hole_end) { resv.start = hole_start; resv.size = hole_end - hole_start - 1; /* PAGE_SIZE units */ + mmap_offset_lock(i915); err = drm_mm_reserve_node(mm, &resv); + mmap_offset_unlock(i915); if (err) { pr_err("Failed to trim VMA manager, err=%d\n", err); goto out_park; @@ -458,7 +478,7 @@ static int igt_mmap_offset_exhaustion(void *arg) /* Now fill with busy dead objects that we expect to reap */ for (loop = 0; loop < 3; loop++) { - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) break; obj = i915_gem_object_create_internal(i915, PAGE_SIZE); @@ -474,19 +494,12 @@ static int igt_mmap_offset_exhaustion(void *arg) pr_err("[loop %d] Failed to busy the object\n", loop); goto err_obj; } - - /* NB we rely on the _active_ reference to access obj now */ - GEM_BUG_ON(!i915_gem_object_is_active(obj)); - err = create_mmap_offset(obj); - if (err) { - pr_err("[loop %d] create_mmap_offset failed with err=%d\n", - loop, err); - goto out; - } } out: + mmap_offset_lock(i915); drm_mm_remove_node(&resv); + mmap_offset_unlock(i915); out_park: restore_retire_worker(i915); return err; diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c index e23d8c9e9298..19843acc84d3 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c @@ -3,6 +3,8 @@ * Copyright © 2019 Intel Corporation */ +#include "gt/intel_gt.h" + #include "i915_selftest.h" #include "selftests/igt_flush_test.h" @@ -11,8 +13,8 @@ static int igt_fill_blt(void *arg) { - struct intel_context *ce = arg; - struct drm_i915_private *i915 = ce->gem_context->i915; + struct drm_i915_private *i915 = arg; + struct intel_context *ce = i915->engine[BCS0]->kernel_context; struct drm_i915_gem_object *obj; struct rnd_state prng; IGT_TIMEOUT(end); @@ -83,11 +85,6 @@ err_unpin: err_put: i915_gem_object_put(obj); err_flush: - mutex_lock(&i915->drm.struct_mutex); - if (igt_flush_test(i915, I915_WAIT_LOCKED)) - err = -EIO; - mutex_unlock(&i915->drm.struct_mutex); - if (err == -ENOMEM) err = 0; @@ -100,11 +97,11 @@ int i915_gem_object_blt_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_fill_blt), }; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) return 0; if (!HAS_ENGINE(i915, BCS0)) return 0; - return i915_subtests(tests, i915->engine[BCS0]->kernel_context); + return i915_live_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/gt/Makefile b/drivers/gpu/drm/i915/gt/Makefile index 1c75b5c9790c..7e73aa587967 100644 --- a/drivers/gpu/drm/i915/gt/Makefile +++ b/drivers/gpu/drm/i915/gt/Makefile @@ -1,2 +1,5 @@ +# For building individual subdir files on the command line +subdir-ccflags-y += -I$(srctree)/$(src)/.. + # Extra header tests -include $(src)/Makefile.header-test +header-test-pattern-$(CONFIG_DRM_I915_WERROR) := *.h diff --git a/drivers/gpu/drm/i915/gt/Makefile.header-test b/drivers/gpu/drm/i915/gt/Makefile.header-test deleted file mode 100644 index 61e06cbb4b32..000000000000 --- a/drivers/gpu/drm/i915/gt/Makefile.header-test +++ /dev/null @@ -1,16 +0,0 @@ -# SPDX-License-Identifier: MIT -# Copyright © 2019 Intel Corporation - -# Test the headers are compilable as standalone units -header_test := $(notdir $(wildcard $(src)/*.h)) - -quiet_cmd_header_test = HDRTEST $@ - cmd_header_test = echo "\#include \"$(<F)\"" > $@ - -header_test_%.c: %.h - $(call cmd,header_test) - -extra-$(CONFIG_DRM_I915_WERROR) += \ - $(foreach h,$(header_test),$(patsubst %.h,header_test_%.o,$(h))) - -clean-files += $(foreach h,$(header_test),$(patsubst %.h,header_test_%.c,$(h))) diff --git a/drivers/gpu/drm/i915/intel_renderstate_gen6.c b/drivers/gpu/drm/i915/gt/gen6_renderstate.c index 11c8e7b3dd7c..11c8e7b3dd7c 100644 --- a/drivers/gpu/drm/i915/intel_renderstate_gen6.c +++ b/drivers/gpu/drm/i915/gt/gen6_renderstate.c diff --git a/drivers/gpu/drm/i915/intel_renderstate_gen7.c b/drivers/gpu/drm/i915/gt/gen7_renderstate.c index 655180646152..655180646152 100644 --- a/drivers/gpu/drm/i915/intel_renderstate_gen7.c +++ b/drivers/gpu/drm/i915/gt/gen7_renderstate.c diff --git a/drivers/gpu/drm/i915/intel_renderstate_gen8.c b/drivers/gpu/drm/i915/gt/gen8_renderstate.c index 95288a34c15d..95288a34c15d 100644 --- a/drivers/gpu/drm/i915/intel_renderstate_gen8.c +++ b/drivers/gpu/drm/i915/gt/gen8_renderstate.c diff --git a/drivers/gpu/drm/i915/intel_renderstate_gen9.c b/drivers/gpu/drm/i915/gt/gen9_renderstate.c index 7d3ac02f0177..7d3ac02f0177 100644 --- a/drivers/gpu/drm/i915/intel_renderstate_gen9.c +++ b/drivers/gpu/drm/i915/gt/gen9_renderstate.c diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index 23120901c55f..f30441a140f8 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -59,6 +59,10 @@ int __intel_context_do_pin(struct intel_context *ce) if (err) goto err; + GEM_TRACE("%s context:%llx pin ring:{head:%04x, tail:%04x}\n", + ce->engine->name, ce->ring->timeline->fence_context, + ce->ring->head, ce->ring->tail); + i915_gem_context_get(ce->gem_context); /* for ctx->ppgtt */ smp_mb__before_atomic(); /* flush pin before it is visible */ @@ -85,6 +89,9 @@ void intel_context_unpin(struct intel_context *ce) mutex_lock_nested(&ce->pin_mutex, SINGLE_DEPTH_NESTING); if (likely(atomic_dec_and_test(&ce->pin_count))) { + GEM_TRACE("%s context:%llx retire\n", + ce->engine->name, ce->ring->timeline->fence_context); + ce->ops->unpin(ce); i915_gem_context_put(ce->gem_context); @@ -95,11 +102,15 @@ void intel_context_unpin(struct intel_context *ce) intel_context_put(ce); } -static int __context_pin_state(struct i915_vma *vma, unsigned long flags) +static int __context_pin_state(struct i915_vma *vma) { + u64 flags; int err; - err = i915_vma_pin(vma, 0, 0, flags | PIN_GLOBAL); + flags = i915_ggtt_pin_bias(vma) | PIN_OFFSET_BIAS; + flags |= PIN_HIGH | PIN_GLOBAL; + + err = i915_vma_pin(vma, 0, 0, flags); if (err) return err; @@ -119,10 +130,13 @@ static void __context_unpin_state(struct i915_vma *vma) __i915_vma_unpin(vma); } -static void intel_context_retire(struct i915_active *active) +static void __intel_context_retire(struct i915_active *active) { struct intel_context *ce = container_of(active, typeof(*ce), active); + GEM_TRACE("%s context:%llx retire\n", + ce->engine->name, ce->ring->timeline->fence_context); + if (ce->state) __context_unpin_state(ce->state); @@ -130,35 +144,11 @@ static void intel_context_retire(struct i915_active *active) intel_context_put(ce); } -void -intel_context_init(struct intel_context *ce, - struct i915_gem_context *ctx, - struct intel_engine_cs *engine) -{ - GEM_BUG_ON(!engine->cops); - - kref_init(&ce->ref); - - ce->gem_context = ctx; - ce->engine = engine; - ce->ops = engine->cops; - ce->sseu = engine->sseu; - - INIT_LIST_HEAD(&ce->signal_link); - INIT_LIST_HEAD(&ce->signals); - - mutex_init(&ce->pin_mutex); - - i915_active_init(ctx->i915, &ce->active, intel_context_retire); -} - -int intel_context_active_acquire(struct intel_context *ce, unsigned long flags) +static int __intel_context_active(struct i915_active *active) { + struct intel_context *ce = container_of(active, typeof(*ce), active); int err; - if (!i915_active_acquire(&ce->active)) - return 0; - intel_context_get(ce); err = intel_ring_pin(ce->ring); @@ -168,7 +158,7 @@ int intel_context_active_acquire(struct intel_context *ce, unsigned long flags) if (!ce->state) return 0; - err = __context_pin_state(ce->state, flags); + err = __context_pin_state(ce->state); if (err) goto err_ring; @@ -188,15 +178,40 @@ err_ring: intel_ring_unpin(ce->ring); err_put: intel_context_put(ce); - i915_active_cancel(&ce->active); return err; } -void intel_context_active_release(struct intel_context *ce) +void +intel_context_init(struct intel_context *ce, + struct i915_gem_context *ctx, + struct intel_engine_cs *engine) +{ + GEM_BUG_ON(!engine->cops); + + kref_init(&ce->ref); + + ce->gem_context = ctx; + ce->vm = i915_vm_get(ctx->vm ?: &engine->gt->ggtt->vm); + + ce->engine = engine; + ce->ops = engine->cops; + ce->sseu = engine->sseu; + + INIT_LIST_HEAD(&ce->signal_link); + INIT_LIST_HEAD(&ce->signals); + + mutex_init(&ce->pin_mutex); + + i915_active_init(ctx->i915, &ce->active, + __intel_context_active, __intel_context_retire); +} + +void intel_context_fini(struct intel_context *ce) { - /* Nodes preallocated in intel_context_active() */ - i915_active_acquire_barrier(&ce->active); - i915_active_release(&ce->active); + i915_vm_put(ce->vm); + + mutex_destroy(&ce->pin_mutex); + i915_active_fini(&ce->active); } static void i915_global_context_shrink(void) @@ -234,6 +249,44 @@ void intel_context_exit_engine(struct intel_context *ce) intel_engine_pm_put(ce->engine); } +int intel_context_prepare_remote_request(struct intel_context *ce, + struct i915_request *rq) +{ + struct intel_timeline *tl = ce->ring->timeline; + int err; + + /* Only suitable for use in remotely modifying this context */ + GEM_BUG_ON(rq->hw_context == ce); + + if (rq->timeline != tl) { /* beware timeline sharing */ + err = mutex_lock_interruptible_nested(&tl->mutex, + SINGLE_DEPTH_NESTING); + if (err) + return err; + + /* Queue this switch after current activity by this context. */ + err = i915_active_request_set(&tl->last_request, rq); + if (err) + goto unlock; + } + lockdep_assert_held(&tl->mutex); + + /* + * Guarantee context image and the timeline remains pinned until the + * modifying request is retired by setting the ce activity tracker. + * + * But we only need to take one pin on the account of it. Or in other + * words transfer the pinned ce object to tracked active request. + */ + GEM_BUG_ON(i915_active_is_idle(&ce->active)); + err = i915_active_ref(&ce->active, rq->fence.context, rq); + +unlock: + if (rq->timeline != tl) + mutex_unlock(&tl->mutex); + return err; +} + struct i915_request *intel_context_create_request(struct intel_context *ce) { struct i915_request *rq; diff --git a/drivers/gpu/drm/i915/gt/intel_context.h b/drivers/gpu/drm/i915/gt/intel_context.h index a47275bc4f01..23c7e4c0ce7c 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.h +++ b/drivers/gpu/drm/i915/gt/intel_context.h @@ -9,12 +9,14 @@ #include <linux/lockdep.h> +#include "i915_active.h" #include "intel_context_types.h" #include "intel_engine_types.h" void intel_context_init(struct intel_context *ce, struct i915_gem_context *ctx, struct intel_engine_cs *engine); +void intel_context_fini(struct intel_context *ce); struct intel_context * intel_context_create(struct i915_gem_context *ctx, @@ -102,8 +104,17 @@ static inline void intel_context_exit(struct intel_context *ce) ce->ops->exit(ce); } -int intel_context_active_acquire(struct intel_context *ce, unsigned long flags); -void intel_context_active_release(struct intel_context *ce); +static inline int intel_context_active_acquire(struct intel_context *ce) +{ + return i915_active_acquire(&ce->active); +} + +static inline void intel_context_active_release(struct intel_context *ce) +{ + /* Nodes preallocated in intel_context_active() */ + i915_active_acquire_barrier(&ce->active); + i915_active_release(&ce->active); +} static inline struct intel_context *intel_context_get(struct intel_context *ce) { @@ -129,6 +140,9 @@ static inline void intel_context_timeline_unlock(struct intel_context *ce) mutex_unlock(&ce->ring->timeline->mutex); } +int intel_context_prepare_remote_request(struct intel_context *ce, + struct i915_request *rq); + struct i915_request *intel_context_create_request(struct intel_context *ce); #endif /* __INTEL_CONTEXT_H__ */ diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h index 08049ee91cee..68a7e979b1a9 100644 --- a/drivers/gpu/drm/i915/gt/intel_context_types.h +++ b/drivers/gpu/drm/i915/gt/intel_context_types.h @@ -13,6 +13,7 @@ #include <linux/types.h> #include "i915_active_types.h" +#include "i915_utils.h" #include "intel_engine_types.h" #include "intel_sseu.h" @@ -35,9 +36,15 @@ struct intel_context_ops { struct intel_context { struct kref ref; - struct i915_gem_context *gem_context; struct intel_engine_cs *engine; struct intel_engine_cs *inflight; +#define intel_context_inflight(ce) ptr_mask_bits((ce)->inflight, 2) +#define intel_context_inflight_count(ce) ptr_unmask_bits((ce)->inflight, 2) +#define intel_context_inflight_inc(ce) ptr_count_inc(&(ce)->inflight) +#define intel_context_inflight_dec(ce) ptr_count_dec(&(ce)->inflight) + + struct i915_address_space *vm; + struct i915_gem_context *gem_context; struct list_head signal_link; struct list_head signals; diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h index 2f1c6871ee95..db5c73ce86ee 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine.h +++ b/drivers/gpu/drm/i915/gt/intel_engine.h @@ -14,7 +14,7 @@ #include "i915_reg.h" #include "i915_request.h" #include "i915_selftest.h" -#include "i915_timeline.h" +#include "gt/intel_timeline.h" #include "intel_engine_types.h" #include "intel_gpu_commands.h" #include "intel_workarounds.h" @@ -51,7 +51,7 @@ struct drm_printer; #define ENGINE_READ16(...) __ENGINE_READ_OP(read16, __VA_ARGS__) #define ENGINE_READ(...) __ENGINE_READ_OP(read, __VA_ARGS__) #define ENGINE_READ_FW(...) __ENGINE_READ_OP(read_fw, __VA_ARGS__) -#define ENGINE_POSTING_READ(...) __ENGINE_READ_OP(posting_read, __VA_ARGS__) +#define ENGINE_POSTING_READ(...) __ENGINE_READ_OP(posting_read_fw, __VA_ARGS__) #define ENGINE_POSTING_READ16(...) __ENGINE_READ_OP(posting_read16, __VA_ARGS__) #define ENGINE_READ64(engine__, lower_reg__, upper_reg__) \ @@ -125,71 +125,26 @@ hangcheck_action_to_str(const enum intel_engine_hangcheck_action a) void intel_engines_set_scheduler_caps(struct drm_i915_private *i915); -static inline void -execlists_set_active(struct intel_engine_execlists *execlists, - unsigned int bit) -{ - __set_bit(bit, (unsigned long *)&execlists->active); -} - -static inline bool -execlists_set_active_once(struct intel_engine_execlists *execlists, - unsigned int bit) -{ - return !__test_and_set_bit(bit, (unsigned long *)&execlists->active); -} - -static inline void -execlists_clear_active(struct intel_engine_execlists *execlists, - unsigned int bit) -{ - __clear_bit(bit, (unsigned long *)&execlists->active); -} - -static inline void -execlists_clear_all_active(struct intel_engine_execlists *execlists) +static inline unsigned int +execlists_num_ports(const struct intel_engine_execlists * const execlists) { - execlists->active = 0; + return execlists->port_mask + 1; } -static inline bool -execlists_is_active(const struct intel_engine_execlists *execlists, - unsigned int bit) +static inline struct i915_request * +execlists_active(const struct intel_engine_execlists *execlists) { - return test_bit(bit, (unsigned long *)&execlists->active); + GEM_BUG_ON(execlists->active - execlists->inflight > + execlists_num_ports(execlists)); + return READ_ONCE(*execlists->active); } -void execlists_user_begin(struct intel_engine_execlists *execlists, - const struct execlist_port *port); -void execlists_user_end(struct intel_engine_execlists *execlists); - void execlists_cancel_port_requests(struct intel_engine_execlists * const execlists); struct i915_request * execlists_unwind_incomplete_requests(struct intel_engine_execlists *execlists); -static inline unsigned int -execlists_num_ports(const struct intel_engine_execlists * const execlists) -{ - return execlists->port_mask + 1; -} - -static inline struct execlist_port * -execlists_port_complete(struct intel_engine_execlists * const execlists, - struct execlist_port * const port) -{ - const unsigned int m = execlists->port_mask; - - GEM_BUG_ON(port_index(port, execlists) != 0); - GEM_BUG_ON(!execlists_is_active(execlists, EXECLISTS_ACTIVE_USER)); - - memmove(port, port + 1, m * sizeof(struct execlist_port)); - memset(port + m, 0, sizeof(struct execlist_port)); - - return port; -} - static inline u32 intel_read_status_page(const struct intel_engine_cs *engine, int reg) { @@ -245,7 +200,7 @@ intel_write_status_page(struct intel_engine_cs *engine, int reg, u32 value) struct intel_ring * intel_engine_create_ring(struct intel_engine_cs *engine, - struct i915_timeline *timeline, + struct intel_timeline *timeline, int size); int intel_ring_pin(struct intel_ring *ring); void intel_ring_reset(struct intel_ring *ring, u32 tail); @@ -456,8 +411,8 @@ gen8_emit_ggtt_write(u32 *cs, u32 value, u32 gtt_offset, u32 flags) return cs; } -static inline void intel_engine_reset(struct intel_engine_cs *engine, - bool stalled) +static inline void __intel_engine_reset(struct intel_engine_cs *engine, + bool stalled) { if (engine->reset.reset) engine->reset.reset(engine, stalled); @@ -465,9 +420,9 @@ static inline void intel_engine_reset(struct intel_engine_cs *engine, } bool intel_engine_is_idle(struct intel_engine_cs *engine); -bool intel_engines_are_idle(struct drm_i915_private *dev_priv); +bool intel_engines_are_idle(struct intel_gt *gt); -void intel_engines_reset_default_submission(struct drm_i915_private *i915); +void intel_engines_reset_default_submission(struct intel_gt *gt); unsigned int intel_engines_has_context_isolation(struct drm_i915_private *i915); bool intel_engine_can_store_dword(struct intel_engine_cs *engine); diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index f25632c9b292..65cbf1d9118d 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -28,6 +28,8 @@ #include "i915_drv.h" +#include "gt/intel_gt.h" + #include "intel_engine.h" #include "intel_engine_pm.h" #include "intel_context.h" @@ -314,6 +316,7 @@ intel_engine_setup(struct drm_i915_private *dev_priv, engine->id = id; engine->mask = BIT(id); engine->i915 = dev_priv; + engine->gt = &dev_priv->gt; engine->uncore = &dev_priv->uncore; __sprint_engine_name(engine->name, info); engine->hw_id = engine->guc_id = info->hw_id; @@ -423,7 +426,7 @@ int intel_engines_init_mmio(struct drm_i915_private *i915) WARN_ON(engine_mask & GENMASK(BITS_PER_TYPE(mask) - 1, I915_NUM_ENGINES)); - if (i915_inject_load_failure()) + if (i915_inject_probe_failure()) return -ENODEV; for (i = 0; i < ARRAY_SIZE(intel_engines); i++) { @@ -445,15 +448,9 @@ int intel_engines_init_mmio(struct drm_i915_private *i915) if (WARN_ON(mask != engine_mask)) device_info->engine_mask = mask; - /* We always presume we have at least RCS available for later probing */ - if (WARN_ON(!HAS_ENGINE(i915, RCS0))) { - err = -ENODEV; - goto cleanup; - } - RUNTIME_INFO(i915)->num_engines = hweight32(mask); - i915_check_and_clear_faults(i915); + intel_gt_check_and_clear_faults(&i915->gt); intel_setup_engine_capabilities(i915); @@ -508,6 +505,10 @@ void intel_engine_init_execlists(struct intel_engine_cs *engine) GEM_BUG_ON(!is_power_of_2(execlists_num_ports(execlists))); GEM_BUG_ON(execlists_num_ports(execlists) > EXECLIST_MAX_PORTS); + memset(execlists->pending, 0, sizeof(execlists->pending)); + execlists->active = + memset(execlists->inflight, 0, sizeof(execlists->inflight)); + execlists->queue_priority_hint = INT_MIN; execlists->queue = RB_ROOT_CACHED; } @@ -577,7 +578,7 @@ static int init_status_page(struct intel_engine_cs *engine) i915_gem_object_set_cache_coherency(obj, I915_CACHE_LLC); - vma = i915_vma_instance(obj, &engine->i915->ggtt.vm, NULL); + vma = i915_vma_instance(obj, &engine->gt->ggtt->vm, NULL); if (IS_ERR(vma)) { ret = PTR_ERR(vma); goto err; @@ -629,6 +630,10 @@ static int intel_engine_setup_common(struct intel_engine_cs *engine) engine->sseu = intel_sseu_from_device_info(&RUNTIME_INFO(engine->i915)->sseu); + intel_engine_init_workarounds(engine); + intel_engine_init_whitelist(engine); + intel_engine_init_ctx_wa(engine); + return 0; } @@ -681,9 +686,10 @@ void intel_engines_set_scheduler_caps(struct drm_i915_private *i915) u8 engine; u8 sched; } map[] = { -#define MAP(x, y) { ilog2(I915_ENGINE_HAS_##x), ilog2(I915_SCHEDULER_CAP_##y) } - MAP(PREEMPTION, PREEMPTION), - MAP(SEMAPHORES, SEMAPHORES), +#define MAP(x, y) { ilog2(I915_ENGINE_##x), ilog2(I915_SCHEDULER_CAP_##y) } + MAP(HAS_PREEMPTION, PREEMPTION), + MAP(HAS_SEMAPHORES, SEMAPHORES), + MAP(SUPPORTS_STATS, ENGINE_BUSY_STATS), #undef MAP }; struct intel_engine_cs *engine; @@ -717,7 +723,7 @@ void intel_engines_set_scheduler_caps(struct drm_i915_private *i915) struct measure_breadcrumb { struct i915_request rq; - struct i915_timeline timeline; + struct intel_timeline timeline; struct intel_ring ring; u32 cs[1024]; }; @@ -727,15 +733,15 @@ static int measure_breadcrumb_dw(struct intel_engine_cs *engine) struct measure_breadcrumb *frame; int dw = -ENOMEM; - GEM_BUG_ON(!engine->i915->gt.scratch); + GEM_BUG_ON(!engine->gt->scratch); frame = kzalloc(sizeof(*frame), GFP_KERNEL); if (!frame) return -ENOMEM; - if (i915_timeline_init(engine->i915, - &frame->timeline, - engine->status_page.vma)) + if (intel_timeline_init(&frame->timeline, + engine->gt, + engine->status_page.vma)) goto out_frame; INIT_LIST_HEAD(&frame->ring.request_list); @@ -750,17 +756,17 @@ static int measure_breadcrumb_dw(struct intel_engine_cs *engine) frame->rq.ring = &frame->ring; frame->rq.timeline = &frame->timeline; - dw = i915_timeline_pin(&frame->timeline); + dw = intel_timeline_pin(&frame->timeline); if (dw < 0) goto out_timeline; dw = engine->emit_fini_breadcrumb(&frame->rq, frame->cs) - frame->cs; GEM_BUG_ON(dw & 1); /* RING_TAIL must be qword aligned */ - i915_timeline_unpin(&frame->timeline); + intel_timeline_unpin(&frame->timeline); out_timeline: - i915_timeline_fini(&frame->timeline); + intel_timeline_fini(&frame->timeline); out_frame: kfree(frame); return dw; @@ -823,6 +829,8 @@ int intel_engine_init_common(struct intel_engine_cs *engine) struct drm_i915_private *i915 = engine->i915; int ret; + engine->set_default_submission(engine); + /* We may need to do things with the shrinker which * require us to immediately switch back to the default * context. This can cause a problem as pinning the @@ -835,28 +843,15 @@ int intel_engine_init_common(struct intel_engine_cs *engine) if (ret) return ret; - /* - * Similarly the preempt context must always be available so that - * we can interrupt the engine at any time. However, as preemption - * is optional, we allow it to fail. - */ - if (i915->preempt_context) - pin_context(i915->preempt_context, engine, - &engine->preempt_context); - ret = measure_breadcrumb_dw(engine); if (ret < 0) goto err_unpin; engine->emit_fini_breadcrumb_dw = ret; - engine->set_default_submission(engine); - return 0; err_unpin: - if (engine->preempt_context) - intel_context_unpin(engine->preempt_context); intel_context_unpin(engine->kernel_context); return ret; } @@ -881,8 +876,6 @@ void intel_engine_cleanup_common(struct intel_engine_cs *engine) if (engine->default_state) i915_gem_object_put(engine->default_state); - if (engine->preempt_context) - intel_context_unpin(engine->preempt_context); intel_context_unpin(engine->kernel_context); GEM_BUG_ON(!llist_empty(&engine->barrier_tasks)); @@ -966,57 +959,23 @@ const char *i915_cache_level_str(struct drm_i915_private *i915, int type) } } -u32 intel_calculate_mcr_s_ss_select(struct drm_i915_private *dev_priv) -{ - const struct sseu_dev_info *sseu = &RUNTIME_INFO(dev_priv)->sseu; - unsigned int slice = fls(sseu->slice_mask) - 1; - unsigned int subslice; - u32 mcr_s_ss_select; - - GEM_BUG_ON(slice >= ARRAY_SIZE(sseu->subslice_mask)); - subslice = fls(sseu->subslice_mask[slice]); - GEM_BUG_ON(!subslice); - subslice--; - - if (IS_GEN(dev_priv, 10)) - mcr_s_ss_select = GEN8_MCR_SLICE(slice) | - GEN8_MCR_SUBSLICE(subslice); - else if (INTEL_GEN(dev_priv) >= 11) - mcr_s_ss_select = GEN11_MCR_SLICE(slice) | - GEN11_MCR_SUBSLICE(subslice); - else - mcr_s_ss_select = 0; - - return mcr_s_ss_select; -} - static u32 read_subslice_reg(struct intel_engine_cs *engine, int slice, int subslice, i915_reg_t reg) { struct drm_i915_private *i915 = engine->i915; struct intel_uncore *uncore = engine->uncore; - u32 mcr_slice_subslice_mask; - u32 mcr_slice_subslice_select; - u32 default_mcr_s_ss_select; - u32 mcr; - u32 ret; + u32 mcr_mask, mcr_ss, mcr, old_mcr, val; enum forcewake_domains fw_domains; if (INTEL_GEN(i915) >= 11) { - mcr_slice_subslice_mask = GEN11_MCR_SLICE_MASK | - GEN11_MCR_SUBSLICE_MASK; - mcr_slice_subslice_select = GEN11_MCR_SLICE(slice) | - GEN11_MCR_SUBSLICE(subslice); + mcr_mask = GEN11_MCR_SLICE_MASK | GEN11_MCR_SUBSLICE_MASK; + mcr_ss = GEN11_MCR_SLICE(slice) | GEN11_MCR_SUBSLICE(subslice); } else { - mcr_slice_subslice_mask = GEN8_MCR_SLICE_MASK | - GEN8_MCR_SUBSLICE_MASK; - mcr_slice_subslice_select = GEN8_MCR_SLICE(slice) | - GEN8_MCR_SUBSLICE(subslice); + mcr_mask = GEN8_MCR_SLICE_MASK | GEN8_MCR_SUBSLICE_MASK; + mcr_ss = GEN8_MCR_SLICE(slice) | GEN8_MCR_SUBSLICE(subslice); } - default_mcr_s_ss_select = intel_calculate_mcr_s_ss_select(i915); - fw_domains = intel_uncore_forcewake_for_reg(uncore, reg, FW_REG_READ); fw_domains |= intel_uncore_forcewake_for_reg(uncore, @@ -1026,26 +985,23 @@ read_subslice_reg(struct intel_engine_cs *engine, int slice, int subslice, spin_lock_irq(&uncore->lock); intel_uncore_forcewake_get__locked(uncore, fw_domains); - mcr = intel_uncore_read_fw(uncore, GEN8_MCR_SELECTOR); - - WARN_ON_ONCE((mcr & mcr_slice_subslice_mask) != - default_mcr_s_ss_select); + old_mcr = mcr = intel_uncore_read_fw(uncore, GEN8_MCR_SELECTOR); - mcr &= ~mcr_slice_subslice_mask; - mcr |= mcr_slice_subslice_select; + mcr &= ~mcr_mask; + mcr |= mcr_ss; intel_uncore_write_fw(uncore, GEN8_MCR_SELECTOR, mcr); - ret = intel_uncore_read_fw(uncore, reg); + val = intel_uncore_read_fw(uncore, reg); - mcr &= ~mcr_slice_subslice_mask; - mcr |= default_mcr_s_ss_select; + mcr &= ~mcr_mask; + mcr |= old_mcr & mcr_mask; intel_uncore_write_fw(uncore, GEN8_MCR_SELECTOR, mcr); intel_uncore_forcewake_put__locked(uncore, fw_domains); spin_unlock_irq(&uncore->lock); - return ret; + return val; } /* NB: please notice the memset */ @@ -1150,17 +1106,17 @@ static bool ring_is_idle(struct intel_engine_cs *engine) bool intel_engine_is_idle(struct intel_engine_cs *engine) { /* More white lies, if wedged, hw state is inconsistent */ - if (i915_reset_failed(engine->i915)) + if (intel_gt_is_wedged(engine->gt)) return true; - if (!intel_wakeref_active(&engine->wakeref)) + if (!intel_engine_pm_is_awake(engine)) return true; /* Waiting to drain ELSP? */ - if (READ_ONCE(engine->execlists.active)) { + if (execlists_active(&engine->execlists)) { struct tasklet_struct *t = &engine->execlists.tasklet; - synchronize_hardirq(engine->i915->drm.irq); + synchronize_hardirq(engine->i915->drm.pdev->irq); local_bh_disable(); if (tasklet_trylock(t)) { @@ -1174,7 +1130,7 @@ bool intel_engine_is_idle(struct intel_engine_cs *engine) /* Otherwise flush the tasklet if it was on another cpu */ tasklet_unlock_wait(t); - if (READ_ONCE(engine->execlists.active)) + if (execlists_active(&engine->execlists)) return false; } @@ -1186,7 +1142,7 @@ bool intel_engine_is_idle(struct intel_engine_cs *engine) return ring_is_idle(engine); } -bool intel_engines_are_idle(struct drm_i915_private *i915) +bool intel_engines_are_idle(struct intel_gt *gt) { struct intel_engine_cs *engine; enum intel_engine_id id; @@ -1195,14 +1151,14 @@ bool intel_engines_are_idle(struct drm_i915_private *i915) * If the driver is wedged, HW state may be very inconsistent and * report that it is still busy, even though we have stopped using it. */ - if (i915_reset_failed(i915)) + if (intel_gt_is_wedged(gt)) return true; /* Already parked (and passed an idleness test); must still be idle */ - if (!READ_ONCE(i915->gt.awake)) + if (!READ_ONCE(gt->awake)) return true; - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { if (!intel_engine_is_idle(engine)) return false; } @@ -1210,12 +1166,12 @@ bool intel_engines_are_idle(struct drm_i915_private *i915) return true; } -void intel_engines_reset_default_submission(struct drm_i915_private *i915) +void intel_engines_reset_default_submission(struct intel_gt *gt) { struct intel_engine_cs *engine; enum intel_engine_id id; - for_each_engine(engine, i915, id) + for_each_engine(engine, gt->i915, id) engine->set_default_submission(engine); } @@ -1372,6 +1328,7 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine, } if (HAS_EXECLISTS(dev_priv)) { + struct i915_request * const *port, *rq; const u32 *hws = &engine->status_page.addr[I915_HWS_CSB_BUF0_INDEX]; const u8 num_entries = execlists->csb_size; @@ -1404,27 +1361,33 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine, } spin_lock_irqsave(&engine->active.lock, flags); - for (idx = 0; idx < execlists_num_ports(execlists); idx++) { - struct i915_request *rq; - unsigned int count; + for (port = execlists->active; (rq = *port); port++) { + char hdr[80]; + int len; + + len = snprintf(hdr, sizeof(hdr), + "\t\tActive[%d: ", + (int)(port - execlists->active)); + if (!i915_request_signaled(rq)) + len += snprintf(hdr + len, sizeof(hdr) - len, + "ring:{start:%08x, hwsp:%08x, seqno:%08x}, ", + i915_ggtt_offset(rq->ring->vma), + rq->timeline->hwsp_offset, + hwsp_seqno(rq)); + snprintf(hdr + len, sizeof(hdr) - len, "rq: "); + print_request(m, rq, hdr); + } + for (port = execlists->pending; (rq = *port); port++) { char hdr[80]; - rq = port_unpack(&execlists->port[idx], &count); - if (!rq) { - drm_printf(m, "\t\tELSP[%d] idle\n", idx); - } else if (!i915_request_signaled(rq)) { - snprintf(hdr, sizeof(hdr), - "\t\tELSP[%d] count=%d, ring:{start:%08x, hwsp:%08x, seqno:%08x}, rq: ", - idx, count, - i915_ggtt_offset(rq->ring->vma), - rq->timeline->hwsp_offset, - hwsp_seqno(rq)); - print_request(m, rq, hdr); - } else { - print_request(m, rq, "\t\tELSP[%d] rq: "); - } + snprintf(hdr, sizeof(hdr), + "\t\tPending[%d] ring:{start:%08x, hwsp:%08x, seqno:%08x}, rq: ", + (int)(port - execlists->pending), + i915_ggtt_offset(rq->ring->vma), + rq->timeline->hwsp_offset, + hwsp_seqno(rq)); + print_request(m, rq, hdr); } - drm_printf(m, "\t\tHW active? 0x%x\n", execlists->active); spin_unlock_irqrestore(&engine->active.lock, flags); } else if (INTEL_GEN(dev_priv) > 6) { drm_printf(m, "\tPP_DIR_BASE: 0x%08x\n", @@ -1486,7 +1449,7 @@ void intel_engine_dump(struct intel_engine_cs *engine, va_end(ap); } - if (i915_reset_failed(engine->i915)) + if (intel_gt_is_wedged(engine->gt)) drm_printf(m, "*** WEDGED ***\n"); drm_printf(m, "\tAwake? %d\n", atomic_read(&engine->wakeref.count)); @@ -1587,15 +1550,19 @@ int intel_enable_engine_stats(struct intel_engine_cs *engine) } if (engine->stats.enabled++ == 0) { - const struct execlist_port *port = execlists->port; - unsigned int num_ports = execlists_num_ports(execlists); + struct i915_request * const *port; + struct i915_request *rq; engine->stats.enabled_at = ktime_get(); /* XXX submission method oblivious? */ - while (num_ports-- && port_isset(port)) { + for (port = execlists->active; (rq = *port); port++) engine->stats.active++; - port++; + + for (port = execlists->pending; (rq = *port); port++) { + /* Exclude any contexts already counted in active */ + if (intel_context_inflight_count(rq->hw_context) == 1) + engine->stats.active++; } if (engine->stats.active) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c index ae5b6baf6dff..e74fbf04a68d 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c @@ -8,6 +8,7 @@ #include "intel_engine.h" #include "intel_engine_pm.h" +#include "intel_gt.h" #include "intel_gt_pm.h" static int __engine_unpark(struct intel_wakeref *wf) @@ -18,7 +19,7 @@ static int __engine_unpark(struct intel_wakeref *wf) GEM_TRACE("%s\n", engine->name); - intel_gt_pm_get(engine->i915); + intel_gt_pm_get(engine->gt); /* Pin the default state for fast resets from atomic context. */ map = NULL; @@ -66,7 +67,7 @@ static bool switch_to_kernel_context(struct intel_engine_cs *engine) return true; /* GPU is pointing to the void, as good as in the kernel context. */ - if (i915_reset_failed(engine->i915)) + if (intel_gt_is_wedged(engine->gt)) return true; /* @@ -129,7 +130,7 @@ static int __engine_park(struct intel_wakeref *wf) engine->execlists.no_priolist = false; - intel_gt_pm_put(engine->i915); + intel_gt_pm_put(engine->gt); return 0; } diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.h b/drivers/gpu/drm/i915/gt/intel_engine_pm.h index a11c893f64c6..015ac72d7ad0 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_pm.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.h @@ -16,6 +16,12 @@ void intel_engine_pm_get(struct intel_engine_cs *engine); void intel_engine_pm_put(struct intel_engine_cs *engine); static inline bool +intel_engine_pm_is_awake(const struct intel_engine_cs *engine) +{ + return intel_wakeref_is_active(&engine->wakeref); +} + +static inline bool intel_engine_pm_get_if_awake(struct intel_engine_cs *engine) { return intel_wakeref_get_if_active(&engine->wakeref); diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h index 43e975a26016..da61dd329210 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h @@ -12,6 +12,7 @@ #include <linux/kref.h> #include <linux/list.h> #include <linux/llist.h> +#include <linux/timer.h> #include <linux/types.h> #include "i915_gem.h" @@ -19,7 +20,7 @@ #include "i915_pmu.h" #include "i915_priolist_types.h" #include "i915_selftest.h" -#include "i915_timeline_types.h" +#include "gt/intel_timeline_types.h" #include "intel_sseu.h" #include "intel_wakeref.h" #include "intel_workarounds_types.h" @@ -35,6 +36,7 @@ struct drm_i915_reg_table; struct i915_gem_context; struct i915_request; struct i915_sched_attr; +struct intel_gt; struct intel_uncore; typedef u8 intel_engine_mask_t; @@ -66,7 +68,7 @@ struct intel_ring { struct i915_vma *vma; void *vaddr; - struct i915_timeline *timeline; + struct intel_timeline *timeline; struct list_head request_list; struct list_head active_link; @@ -150,6 +152,11 @@ struct intel_engine_execlists { struct tasklet_struct tasklet; /** + * @timer: kick the current context if its timeslice expires + */ + struct timer_list timer; + + /** * @default_priolist: priority list for I915_PRIORITY_NORMAL */ struct i915_priolist default_priolist; @@ -172,51 +179,28 @@ struct intel_engine_execlists { */ u32 __iomem *ctrl_reg; +#define EXECLIST_MAX_PORTS 2 /** - * @port: execlist port states + * @active: the currently known context executing on HW + */ + struct i915_request * const *active; + /** + * @inflight: the set of contexts submitted and acknowleged by HW * - * For each hardware ELSP (ExecList Submission Port) we keep - * track of the last request and the number of times we submitted - * that port to hw. We then count the number of times the hw reports - * a context completion or preemption. As only one context can - * be active on hw, we limit resubmission of context to port[0]. This - * is called Lite Restore, of the context. + * The set of inflight contexts is managed by reading CS events + * from the HW. On a context-switch event (not preemption), we + * know the HW has transitioned from port0 to port1, and we + * advance our inflight/active tracking accordingly. */ - struct execlist_port { - /** - * @request_count: combined request and submission count - */ - struct i915_request *request_count; -#define EXECLIST_COUNT_BITS 2 -#define port_request(p) ptr_mask_bits((p)->request_count, EXECLIST_COUNT_BITS) -#define port_count(p) ptr_unmask_bits((p)->request_count, EXECLIST_COUNT_BITS) -#define port_pack(rq, count) ptr_pack_bits(rq, count, EXECLIST_COUNT_BITS) -#define port_unpack(p, count) ptr_unpack_bits((p)->request_count, count, EXECLIST_COUNT_BITS) -#define port_set(p, packed) ((p)->request_count = (packed)) -#define port_isset(p) ((p)->request_count) -#define port_index(p, execlists) ((p) - (execlists)->port) - - /** - * @context_id: context ID for port - */ - GEM_DEBUG_DECL(u32 context_id); - -#define EXECLIST_MAX_PORTS 2 - } port[EXECLIST_MAX_PORTS]; - + struct i915_request *inflight[EXECLIST_MAX_PORTS + 1 /* sentinel */]; /** - * @active: is the HW active? We consider the HW as active after - * submitting any context for execution and until we have seen the - * last context completion event. After that, we do not expect any - * more events until we submit, and so can park the HW. + * @pending: the next set of contexts submitted to ELSP * - * As we have a small number of different sources from which we feed - * the HW, we track the state of each inside a single bitfield. + * We store the array of contexts that we submit to HW (via ELSP) and + * promote them to the inflight array once HW has signaled the + * preemption or idle-to-active event. */ - unsigned int active; -#define EXECLISTS_ACTIVE_USER 0 -#define EXECLISTS_ACTIVE_PREEMPT 1 -#define EXECLISTS_ACTIVE_HWACK 2 + struct i915_request *pending[EXECLIST_MAX_PORTS + 1]; /** * @port_mask: number of execlist ports - 1 @@ -258,11 +242,6 @@ struct intel_engine_execlists { u32 *csb_status; /** - * @preempt_complete_status: expected CSB upon completing preemption - */ - u32 preempt_complete_status; - - /** * @csb_size: context status buffer FIFO size */ u8 csb_size; @@ -279,6 +258,7 @@ struct intel_engine_execlists { struct intel_engine_cs { struct drm_i915_private *i915; + struct intel_gt *gt; struct intel_uncore *uncore; char name[INTEL_ENGINE_CS_MAX_NAME]; @@ -308,7 +288,6 @@ struct intel_engine_cs { struct llist_head barrier_tasks; struct intel_context *kernel_context; /* pinned */ - struct intel_context *preempt_context; /* pinned; optional */ intel_engine_mask_t saturated; /* submitting semaphores too late? */ @@ -404,7 +383,6 @@ struct intel_engine_cs { const struct intel_context_ops *cops; int (*request_alloc)(struct i915_request *rq); - int (*init_context)(struct i915_request *rq); int (*emit_flush)(struct i915_request *request, u32 mode); #define EMIT_INVALIDATE BIT(0) diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h index eec31e36aca7..69f34737325f 100644 --- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h +++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h @@ -8,6 +8,13 @@ #define _INTEL_GPU_COMMANDS_H_ /* + * Target address alignments required for GPU access e.g. + * MI_STORE_DWORD_IMM. + */ +#define alignof_dword 4 +#define alignof_qword 8 + +/* * Instruction field definitions used by the command parser */ #define INSTR_CLIENT_SHIFT 29 diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c new file mode 100644 index 000000000000..f7e69db4019d --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -0,0 +1,250 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2019 Intel Corporation + */ + +#include "i915_drv.h" + +#include "intel_gt.h" +#include "intel_gt_pm.h" +#include "intel_uncore.h" + +void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915) +{ + gt->i915 = i915; + gt->uncore = &i915->uncore; + + INIT_LIST_HEAD(>->active_rings); + INIT_LIST_HEAD(>->closed_vma); + + spin_lock_init(>->closed_lock); + + intel_gt_init_hangcheck(gt); + intel_gt_init_reset(gt); + intel_gt_pm_init_early(gt); +} + +void intel_gt_init_hw(struct drm_i915_private *i915) +{ + i915->gt.ggtt = &i915->ggtt; +} + +static void rmw_set(struct intel_uncore *uncore, i915_reg_t reg, u32 set) +{ + intel_uncore_rmw(uncore, reg, 0, set); +} + +static void rmw_clear(struct intel_uncore *uncore, i915_reg_t reg, u32 clr) +{ + intel_uncore_rmw(uncore, reg, clr, 0); +} + +static void clear_register(struct intel_uncore *uncore, i915_reg_t reg) +{ + intel_uncore_rmw(uncore, reg, 0, 0); +} + +static void gen8_clear_engine_error_register(struct intel_engine_cs *engine) +{ + GEN6_RING_FAULT_REG_RMW(engine, RING_FAULT_VALID, 0); + GEN6_RING_FAULT_REG_POSTING_READ(engine); +} + +void +intel_gt_clear_error_registers(struct intel_gt *gt, + intel_engine_mask_t engine_mask) +{ + struct drm_i915_private *i915 = gt->i915; + struct intel_uncore *uncore = gt->uncore; + u32 eir; + + if (!IS_GEN(i915, 2)) + clear_register(uncore, PGTBL_ER); + + if (INTEL_GEN(i915) < 4) + clear_register(uncore, IPEIR(RENDER_RING_BASE)); + else + clear_register(uncore, IPEIR_I965); + + clear_register(uncore, EIR); + eir = intel_uncore_read(uncore, EIR); + if (eir) { + /* + * some errors might have become stuck, + * mask them. + */ + DRM_DEBUG_DRIVER("EIR stuck: 0x%08x, masking\n", eir); + rmw_set(uncore, EMR, eir); + intel_uncore_write(uncore, GEN2_IIR, + I915_MASTER_ERROR_INTERRUPT); + } + + if (INTEL_GEN(i915) >= 8) { + rmw_clear(uncore, GEN8_RING_FAULT_REG, RING_FAULT_VALID); + intel_uncore_posting_read(uncore, GEN8_RING_FAULT_REG); + } else if (INTEL_GEN(i915) >= 6) { + struct intel_engine_cs *engine; + enum intel_engine_id id; + + for_each_engine_masked(engine, i915, engine_mask, id) + gen8_clear_engine_error_register(engine); + } +} + +static void gen6_check_faults(struct intel_gt *gt) +{ + struct intel_engine_cs *engine; + enum intel_engine_id id; + u32 fault; + + for_each_engine(engine, gt->i915, id) { + fault = GEN6_RING_FAULT_REG_READ(engine); + if (fault & RING_FAULT_VALID) { + DRM_DEBUG_DRIVER("Unexpected fault\n" + "\tAddr: 0x%08lx\n" + "\tAddress space: %s\n" + "\tSource ID: %d\n" + "\tType: %d\n", + fault & PAGE_MASK, + fault & RING_FAULT_GTTSEL_MASK ? + "GGTT" : "PPGTT", + RING_FAULT_SRCID(fault), + RING_FAULT_FAULT_TYPE(fault)); + } + } +} + +static void gen8_check_faults(struct intel_gt *gt) +{ + struct intel_uncore *uncore = gt->uncore; + u32 fault = intel_uncore_read(uncore, GEN8_RING_FAULT_REG); + + if (fault & RING_FAULT_VALID) { + u32 fault_data0, fault_data1; + u64 fault_addr; + + fault_data0 = intel_uncore_read(uncore, GEN8_FAULT_TLB_DATA0); + fault_data1 = intel_uncore_read(uncore, GEN8_FAULT_TLB_DATA1); + fault_addr = ((u64)(fault_data1 & FAULT_VA_HIGH_BITS) << 44) | + ((u64)fault_data0 << 12); + + DRM_DEBUG_DRIVER("Unexpected fault\n" + "\tAddr: 0x%08x_%08x\n" + "\tAddress space: %s\n" + "\tEngine ID: %d\n" + "\tSource ID: %d\n" + "\tType: %d\n", + upper_32_bits(fault_addr), + lower_32_bits(fault_addr), + fault_data1 & FAULT_GTT_SEL ? "GGTT" : "PPGTT", + GEN8_RING_FAULT_ENGINE_ID(fault), + RING_FAULT_SRCID(fault), + RING_FAULT_FAULT_TYPE(fault)); + } +} + +void intel_gt_check_and_clear_faults(struct intel_gt *gt) +{ + struct drm_i915_private *i915 = gt->i915; + + /* From GEN8 onwards we only have one 'All Engine Fault Register' */ + if (INTEL_GEN(i915) >= 8) + gen8_check_faults(gt); + else if (INTEL_GEN(i915) >= 6) + gen6_check_faults(gt); + else + return; + + intel_gt_clear_error_registers(gt, ALL_ENGINES); +} + +void intel_gt_flush_ggtt_writes(struct intel_gt *gt) +{ + struct drm_i915_private *i915 = gt->i915; + intel_wakeref_t wakeref; + + /* + * No actual flushing is required for the GTT write domain for reads + * from the GTT domain. Writes to it "immediately" go to main memory + * as far as we know, so there's no chipset flush. It also doesn't + * land in the GPU render cache. + * + * However, we do have to enforce the order so that all writes through + * the GTT land before any writes to the device, such as updates to + * the GATT itself. + * + * We also have to wait a bit for the writes to land from the GTT. + * An uncached read (i.e. mmio) seems to be ideal for the round-trip + * timing. This issue has only been observed when switching quickly + * between GTT writes and CPU reads from inside the kernel on recent hw, + * and it appears to only affect discrete GTT blocks (i.e. on LLC + * system agents we cannot reproduce this behaviour, until Cannonlake + * that was!). + */ + + wmb(); + + if (INTEL_INFO(i915)->has_coherent_ggtt) + return; + + intel_gt_chipset_flush(gt); + + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { + struct intel_uncore *uncore = gt->uncore; + + spin_lock_irq(&uncore->lock); + intel_uncore_posting_read_fw(uncore, + RING_HEAD(RENDER_RING_BASE)); + spin_unlock_irq(&uncore->lock); + } +} + +void intel_gt_chipset_flush(struct intel_gt *gt) +{ + wmb(); + if (INTEL_GEN(gt->i915) < 6) + intel_gtt_chipset_flush(); +} + +int intel_gt_init_scratch(struct intel_gt *gt, unsigned int size) +{ + struct drm_i915_private *i915 = gt->i915; + struct drm_i915_gem_object *obj; + struct i915_vma *vma; + int ret; + + obj = i915_gem_object_create_stolen(i915, size); + if (!obj) + obj = i915_gem_object_create_internal(i915, size); + if (IS_ERR(obj)) { + DRM_ERROR("Failed to allocate scratch page\n"); + return PTR_ERR(obj); + } + + vma = i915_vma_instance(obj, >->ggtt->vm, NULL); + if (IS_ERR(vma)) { + ret = PTR_ERR(vma); + goto err_unref; + } + + ret = i915_vma_pin(vma, 0, 0, PIN_GLOBAL | PIN_HIGH); + if (ret) + goto err_unref; + + gt->scratch = vma; + return 0; + +err_unref: + i915_gem_object_put(obj); + return ret; +} + +void intel_gt_fini_scratch(struct intel_gt *gt) +{ + i915_vma_unpin_and_release(>->scratch, 0); +} + +void intel_gt_cleanup_early(struct intel_gt *gt) +{ + intel_gt_fini_reset(gt); +} diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h new file mode 100644 index 000000000000..640bb0531f5b --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_gt.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef __INTEL_GT__ +#define __INTEL_GT__ + +#include "intel_engine_types.h" +#include "intel_gt_types.h" +#include "intel_reset.h" + +struct drm_i915_private; + +static inline struct intel_gt *uc_to_gt(struct intel_uc *uc) +{ + return container_of(uc, struct intel_gt, uc); +} + +static inline struct intel_gt *guc_to_gt(struct intel_guc *guc) +{ + return container_of(guc, struct intel_gt, uc.guc); +} + +static inline struct intel_gt *huc_to_gt(struct intel_huc *huc) +{ + return container_of(huc, struct intel_gt, uc.huc); +} + +void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915); +void intel_gt_init_hw(struct drm_i915_private *i915); + +void intel_gt_cleanup_early(struct intel_gt *gt); + +void intel_gt_check_and_clear_faults(struct intel_gt *gt); +void intel_gt_clear_error_registers(struct intel_gt *gt, + intel_engine_mask_t engine_mask); + +void intel_gt_flush_ggtt_writes(struct intel_gt *gt); +void intel_gt_chipset_flush(struct intel_gt *gt); + +void intel_gt_init_hangcheck(struct intel_gt *gt); + +int intel_gt_init_scratch(struct intel_gt *gt, unsigned int size); +void intel_gt_fini_scratch(struct intel_gt *gt); + +static inline u32 intel_gt_scratch_offset(const struct intel_gt *gt, + enum intel_gt_scratch_field field) +{ + return i915_ggtt_offset(gt->scratch) + field; +} + +static inline bool intel_gt_is_wedged(struct intel_gt *gt) +{ + return __intel_reset_failed(>->reset); +} + +void intel_gt_queue_hangcheck(struct intel_gt *gt); + +#endif /* __INTEL_GT_H__ */ diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c index 9f8f7f54191f..65c0d0c9d543 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c @@ -5,7 +5,9 @@ */ #include "i915_drv.h" +#include "i915_params.h" #include "intel_engine_pm.h" +#include "intel_gt.h" #include "intel_gt_pm.h" #include "intel_pm.h" #include "intel_wakeref.h" @@ -17,8 +19,8 @@ static void pm_notify(struct drm_i915_private *i915, int state) static int intel_gt_unpark(struct intel_wakeref *wf) { - struct drm_i915_private *i915 = - container_of(wf, typeof(*i915), gt.wakeref); + struct intel_gt *gt = container_of(wf, typeof(*gt), wakeref); + struct drm_i915_private *i915 = gt->i915; GEM_TRACE("\n"); @@ -33,8 +35,8 @@ static int intel_gt_unpark(struct intel_wakeref *wf) * Work around it by grabbing a GT IRQ power domain whilst there is any * GT activity, preventing any DC state transitions. */ - i915->gt.awake = intel_display_power_get(i915, POWER_DOMAIN_GT_IRQ); - GEM_BUG_ON(!i915->gt.awake); + gt->awake = intel_display_power_get(i915, POWER_DOMAIN_GT_IRQ); + GEM_BUG_ON(!gt->awake); intel_enable_gt_powersave(i915); @@ -44,16 +46,18 @@ static int intel_gt_unpark(struct intel_wakeref *wf) i915_pmu_gt_unparked(i915); - i915_queue_hangcheck(i915); + intel_gt_queue_hangcheck(gt); pm_notify(i915, INTEL_GT_UNPARK); return 0; } -void intel_gt_pm_get(struct drm_i915_private *i915) +void intel_gt_pm_get(struct intel_gt *gt) { - intel_wakeref_get(&i915->runtime_pm, &i915->gt.wakeref, intel_gt_unpark); + struct intel_runtime_pm *rpm = >->i915->runtime_pm; + + intel_wakeref_get(rpm, >->wakeref, intel_gt_unpark); } static int intel_gt_park(struct intel_wakeref *wf) @@ -76,28 +80,30 @@ static int intel_gt_park(struct intel_wakeref *wf) return 0; } -void intel_gt_pm_put(struct drm_i915_private *i915) +void intel_gt_pm_put(struct intel_gt *gt) { - intel_wakeref_put(&i915->runtime_pm, &i915->gt.wakeref, intel_gt_park); + struct intel_runtime_pm *rpm = >->i915->runtime_pm; + + intel_wakeref_put(rpm, >->wakeref, intel_gt_park); } -void intel_gt_pm_init(struct drm_i915_private *i915) +void intel_gt_pm_init_early(struct intel_gt *gt) { - intel_wakeref_init(&i915->gt.wakeref); - BLOCKING_INIT_NOTIFIER_HEAD(&i915->gt.pm_notifications); + intel_wakeref_init(>->wakeref); + BLOCKING_INIT_NOTIFIER_HEAD(>->pm_notifications); } -static bool reset_engines(struct drm_i915_private *i915) +static bool reset_engines(struct intel_gt *gt) { - if (INTEL_INFO(i915)->gpu_reset_clobbers_display) + if (INTEL_INFO(gt->i915)->gpu_reset_clobbers_display) return false; - return intel_gpu_reset(i915, ALL_ENGINES) == 0; + return __intel_gt_reset(gt, ALL_ENGINES) == 0; } /** * intel_gt_sanitize: called after the GPU has lost power - * @i915: the i915 device + * @gt: the i915 GT container * @force: ignore a failed reset and sanitize engine state anyway * * Anytime we reset the GPU, either with an explicit GPU reset or through a @@ -105,21 +111,23 @@ static bool reset_engines(struct drm_i915_private *i915) * to match. Note that calling intel_gt_sanitize() if the GPU has not * been reset results in much confusion! */ -void intel_gt_sanitize(struct drm_i915_private *i915, bool force) +void intel_gt_sanitize(struct intel_gt *gt, bool force) { struct intel_engine_cs *engine; enum intel_engine_id id; GEM_TRACE("\n"); - if (!reset_engines(i915) && !force) + intel_uc_sanitize(>->uc); + + if (!reset_engines(gt) && !force) return; - for_each_engine(engine, i915, id) - intel_engine_reset(engine, false); + for_each_engine(engine, gt->i915, id) + __intel_engine_reset(engine, false); } -int intel_gt_resume(struct drm_i915_private *i915) +int intel_gt_resume(struct intel_gt *gt) { struct intel_engine_cs *engine; enum intel_engine_id id; @@ -131,8 +139,8 @@ int intel_gt_resume(struct drm_i915_private *i915) * Only the kernel contexts should remain pinned over suspend, * allowing us to fixup the user contexts on their first pin. */ - intel_gt_pm_get(i915); - for_each_engine(engine, i915, id) { + intel_gt_pm_get(gt); + for_each_engine(engine, gt->i915, id) { struct intel_context *ce; intel_engine_pm_get(engine); @@ -141,22 +149,18 @@ int intel_gt_resume(struct drm_i915_private *i915) if (ce) ce->ops->reset(ce); - ce = engine->preempt_context; - if (ce) - ce->ops->reset(ce); - engine->serial++; /* kernel context lost */ err = engine->resume(engine); intel_engine_pm_put(engine); if (err) { - dev_err(i915->drm.dev, + dev_err(gt->i915->drm.dev, "Failed to restart %s (%d)\n", engine->name, err); break; } } - intel_gt_pm_put(i915); + intel_gt_pm_put(gt); return err; } diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.h b/drivers/gpu/drm/i915/gt/intel_gt_pm.h index 53f342b20181..ba960e1fc209 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.h @@ -9,19 +9,19 @@ #include <linux/types.h> -struct drm_i915_private; +struct intel_gt; enum { INTEL_GT_UNPARK, INTEL_GT_PARK, }; -void intel_gt_pm_get(struct drm_i915_private *i915); -void intel_gt_pm_put(struct drm_i915_private *i915); +void intel_gt_pm_get(struct intel_gt *gt); +void intel_gt_pm_put(struct intel_gt *gt); -void intel_gt_pm_init(struct drm_i915_private *i915); +void intel_gt_pm_init_early(struct intel_gt *gt); -void intel_gt_sanitize(struct drm_i915_private *i915, bool force); -int intel_gt_resume(struct drm_i915_private *i915); +void intel_gt_sanitize(struct intel_gt *gt, bool force); +int intel_gt_resume(struct intel_gt *gt); #endif /* INTEL_GT_PM_H */ diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h new file mode 100644 index 000000000000..34d4a868e4f1 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef __INTEL_GT_TYPES__ +#define __INTEL_GT_TYPES__ + +#include <linux/ktime.h> +#include <linux/list.h> +#include <linux/mutex.h> +#include <linux/notifier.h> +#include <linux/spinlock.h> +#include <linux/types.h> + +#include "uc/intel_uc.h" + +#include "i915_vma.h" +#include "intel_reset_types.h" +#include "intel_wakeref.h" + +struct drm_i915_private; +struct i915_ggtt; +struct intel_uncore; + +struct intel_hangcheck { + /* For hangcheck timer */ +#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */ +#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD) + + struct delayed_work work; +}; + +struct intel_gt { + struct drm_i915_private *i915; + struct intel_uncore *uncore; + struct i915_ggtt *ggtt; + + struct intel_uc uc; + + struct intel_gt_timelines { + struct mutex mutex; /* protects list */ + struct list_head active_list; + + /* Pack multiple timelines' seqnos into the same page */ + spinlock_t hwsp_lock; + struct list_head hwsp_free_list; + } timelines; + + struct list_head active_rings; + + struct intel_wakeref wakeref; + + struct list_head closed_vma; + spinlock_t closed_lock; /* guards the list of closed_vma */ + + struct intel_hangcheck hangcheck; + struct intel_reset reset; + + /** + * Is the GPU currently considered idle, or busy executing + * userspace requests? Whilst idle, we allow runtime power + * management to power down the hardware and display clocks. + * In order to reduce the effect on performance, there + * is a slight delay before we do so. + */ + intel_wakeref_t awake; + + struct blocking_notifier_head pm_notifications; + + ktime_t last_init_time; + + struct i915_vma *scratch; + + u32 pm_imr; + u32 pm_ier; + + u32 pm_guc_events; +}; + +enum intel_gt_scratch_field { + /* 8 bytes */ + INTEL_GT_SCRATCH_FIELD_DEFAULT = 0, + + /* 8 bytes */ + INTEL_GT_SCRATCH_FIELD_CLEAR_SLM_WA = 128, + + /* 8 bytes */ + INTEL_GT_SCRATCH_FIELD_RENDER_FLUSH = 128, + + /* 8 bytes */ + INTEL_GT_SCRATCH_FIELD_COHERENTL3_WA = 256, + +}; + +#endif /* __INTEL_GT_TYPES_H__ */ diff --git a/drivers/gpu/drm/i915/gt/intel_hangcheck.c b/drivers/gpu/drm/i915/gt/intel_hangcheck.c index 6bcfa6456c45..05d042cdefe2 100644 --- a/drivers/gpu/drm/i915/gt/intel_hangcheck.c +++ b/drivers/gpu/drm/i915/gt/intel_hangcheck.c @@ -22,8 +22,10 @@ * */ -#include "intel_reset.h" #include "i915_drv.h" +#include "intel_engine.h" +#include "intel_gt.h" +#include "intel_reset.h" struct hangcheck { u64 acthd; @@ -57,9 +59,6 @@ static bool subunits_stuck(struct intel_engine_cs *engine) int slice; int subslice; - if (engine->id != RCS0) - return true; - intel_engine_get_instdone(engine, &instdone); /* There might be unstable subunit states even when @@ -103,7 +102,6 @@ head_stuck(struct intel_engine_cs *engine, u64 acthd) static enum intel_engine_hangcheck_action engine_stuck(struct intel_engine_cs *engine, u64 acthd) { - struct drm_i915_private *dev_priv = engine->i915; enum intel_engine_hangcheck_action ha; u32 tmp; @@ -111,7 +109,7 @@ engine_stuck(struct intel_engine_cs *engine, u64 acthd) if (ha != ENGINE_DEAD) return ha; - if (IS_GEN(dev_priv, 2)) + if (IS_GEN(engine->i915, 2)) return ENGINE_DEAD; /* Is the chip hanging on a WAIT_FOR_EVENT? @@ -121,8 +119,8 @@ engine_stuck(struct intel_engine_cs *engine, u64 acthd) */ tmp = ENGINE_READ(engine, RING_CTL); if (tmp & RING_WAIT) { - i915_handle_error(dev_priv, engine->mask, 0, - "stuck wait on %s", engine->name); + intel_gt_handle_error(engine->gt, engine->mask, 0, + "stuck wait on %s", engine->name); ENGINE_WRITE(engine, RING_CTL, tmp); return ENGINE_WAIT_KICK; } @@ -222,7 +220,7 @@ static void hangcheck_accumulate_sample(struct intel_engine_cs *engine, I915_ENGINE_WEDGED_TIMEOUT); } -static void hangcheck_declare_hang(struct drm_i915_private *i915, +static void hangcheck_declare_hang(struct intel_gt *gt, intel_engine_mask_t hung, intel_engine_mask_t stuck) { @@ -238,12 +236,12 @@ static void hangcheck_declare_hang(struct drm_i915_private *i915, hung &= ~stuck; len = scnprintf(msg, sizeof(msg), "%s on ", stuck == hung ? "no progress" : "hang"); - for_each_engine_masked(engine, i915, hung, tmp) + for_each_engine_masked(engine, gt->i915, hung, tmp) len += scnprintf(msg + len, sizeof(msg) - len, "%s, ", engine->name); msg[len-2] = '\0'; - return i915_handle_error(i915, hung, I915_ERROR_CAPTURE, "%s", msg); + return intel_gt_handle_error(gt, hung, I915_ERROR_CAPTURE, "%s", msg); } /* @@ -254,11 +252,10 @@ static void hangcheck_declare_hang(struct drm_i915_private *i915, * we kick the ring. If we see no progress on three subsequent calls * we assume chip is wedged and try to fix it by resetting the chip. */ -static void i915_hangcheck_elapsed(struct work_struct *work) +static void hangcheck_elapsed(struct work_struct *work) { - struct drm_i915_private *dev_priv = - container_of(work, typeof(*dev_priv), - gpu_error.hangcheck_work.work); + struct intel_gt *gt = + container_of(work, typeof(*gt), hangcheck.work.work); intel_engine_mask_t hung = 0, stuck = 0, wedged = 0; struct intel_engine_cs *engine; enum intel_engine_id id; @@ -267,13 +264,13 @@ static void i915_hangcheck_elapsed(struct work_struct *work) if (!i915_modparams.enable_hangcheck) return; - if (!READ_ONCE(dev_priv->gt.awake)) + if (!READ_ONCE(gt->awake)) return; - if (i915_terminally_wedged(dev_priv)) + if (intel_gt_is_wedged(gt)) return; - wakeref = intel_runtime_pm_get_if_in_use(&dev_priv->runtime_pm); + wakeref = intel_runtime_pm_get_if_in_use(>->i915->runtime_pm); if (!wakeref) return; @@ -281,9 +278,9 @@ static void i915_hangcheck_elapsed(struct work_struct *work) * periodically arm the mmio checker to see if we are triggering * any invalid access. */ - intel_uncore_arm_unclaimed_mmio_detection(&dev_priv->uncore); + intel_uncore_arm_unclaimed_mmio_detection(gt->uncore); - for_each_engine(engine, dev_priv, id) { + for_each_engine(engine, gt->i915, id) { struct hangcheck hc; intel_engine_signal_breadcrumbs(engine); @@ -305,7 +302,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work) if (GEM_SHOW_DEBUG() && (hung | stuck)) { struct drm_printer p = drm_debug_printer("hangcheck"); - for_each_engine(engine, dev_priv, id) { + for_each_engine(engine, gt->i915, id) { if (intel_engine_is_idle(engine)) continue; @@ -314,20 +311,37 @@ static void i915_hangcheck_elapsed(struct work_struct *work) } if (wedged) { - dev_err(dev_priv->drm.dev, + dev_err(gt->i915->drm.dev, "GPU recovery timed out," " cancelling all in-flight rendering.\n"); GEM_TRACE_DUMP(); - i915_gem_set_wedged(dev_priv); + intel_gt_set_wedged(gt); } if (hung) - hangcheck_declare_hang(dev_priv, hung, stuck); + hangcheck_declare_hang(gt, hung, stuck); - intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); + intel_runtime_pm_put(>->i915->runtime_pm, wakeref); /* Reset timer in case GPU hangs without another request being added */ - i915_queue_hangcheck(dev_priv); + intel_gt_queue_hangcheck(gt); +} + +void intel_gt_queue_hangcheck(struct intel_gt *gt) +{ + unsigned long delay; + + if (unlikely(!i915_modparams.enable_hangcheck)) + return; + + /* + * Don't continually defer the hangcheck so that it is always run at + * least once after work has been scheduled on any ring. Otherwise, + * we will ignore a hung ring if a second ring is kept busy. + */ + + delay = round_jiffies_up_relative(DRM_I915_HANGCHECK_JIFFIES); + queue_delayed_work(system_long_wq, >->hangcheck.work, delay); } void intel_engine_init_hangcheck(struct intel_engine_cs *engine) @@ -336,10 +350,9 @@ void intel_engine_init_hangcheck(struct intel_engine_cs *engine) engine->hangcheck.action_timestamp = jiffies; } -void intel_hangcheck_init(struct drm_i915_private *i915) +void intel_gt_init_hangcheck(struct intel_gt *gt) { - INIT_DELAYED_WORK(&i915->gpu_error.hangcheck_work, - i915_hangcheck_elapsed); + INIT_DELAYED_WORK(>->hangcheck.work, hangcheck_elapsed); } #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 82b7ace62d97..d9061d9348cb 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -136,9 +136,9 @@ #include "gem/i915_gem_context.h" #include "i915_drv.h" -#include "i915_gem_render_state.h" #include "i915_vgpu.h" #include "intel_engine_pm.h" +#include "intel_gt.h" #include "intel_lrc_reg.h" #include "intel_mocs.h" #include "intel_reset.h" @@ -161,6 +161,8 @@ #define GEN8_CTX_STATUS_COMPLETED_MASK \ (GEN8_CTX_STATUS_COMPLETE | GEN8_CTX_STATUS_PREEMPTED) +#define CTX_DESC_FORCE_RESTORE BIT_ULL(2) + /* Typical size of the average request (2 pipecontrols and a MI_BB) */ #define EXECLISTS_REQUEST_SIZE 64 /* bytes */ #define WA_TAIL_DWORDS 2 @@ -221,6 +223,26 @@ static void execlists_init_reg_state(u32 *reg_state, struct intel_engine_cs *engine, struct intel_ring *ring); +static inline u32 intel_hws_preempt_address(struct intel_engine_cs *engine) +{ + return (i915_ggtt_offset(engine->status_page.vma) + + I915_GEM_HWS_PREEMPT_ADDR); +} + +static inline void +ring_set_paused(const struct intel_engine_cs *engine, int state) +{ + /* + * We inspect HWS_PREEMPT with a semaphore inside + * engine->emit_fini_breadcrumb. If the dword is true, + * the ring is paused as the semaphore will busywait + * until the dword is false. + */ + engine->status_page.addr[I915_GEM_HWS_PREEMPT] = state; + if (state) + wmb(); +} + static inline struct i915_priolist *to_priolist(struct rb_node *rb) { return rb_entry(rb, struct i915_priolist, node); @@ -236,6 +258,17 @@ static int effective_prio(const struct i915_request *rq) int prio = rq_prio(rq); /* + * If this request is special and must not be interrupted at any + * cost, so be it. Note we are only checking the most recent request + * in the context and so may be masking an earlier vip request. It + * is hoped that under the conditions where nopreempt is used, this + * will not matter (i.e. all requests to that context will be + * nopreempt for as long as desired). + */ + if (i915_request_has_nopreempt(rq)) + prio = I915_PRIORITY_UNPREEMPTABLE; + + /* * On unwinding the active request, we give it a priority bump * if it has completed waiting on any semaphore. If we know that * the request has already started, we can prevent an unwanted @@ -245,6 +278,7 @@ static int effective_prio(const struct i915_request *rq) prio |= I915_PRIORITY_NOSEMAPHORE; /* Restrict mere WAIT boosts from triggering preemption */ + BUILD_BUG_ON(__NO_PREEMPTION & ~I915_PRIORITY_MASK); /* only internal */ return prio | __NO_PREEMPTION; } @@ -271,10 +305,7 @@ static inline bool need_preempt(const struct intel_engine_cs *engine, { int last_prio; - if (!engine->preempt_context) - return false; - - if (i915_request_completed(rq)) + if (!intel_engine_has_semaphores(engine)) return false; /* @@ -338,9 +369,6 @@ __maybe_unused static inline bool assert_priority_queue(const struct i915_request *prev, const struct i915_request *next) { - const struct intel_engine_execlists *execlists = - &prev->engine->execlists; - /* * Without preemption, the prev may refer to the still active element * which we refuse to let go. @@ -348,7 +376,7 @@ assert_priority_queue(const struct i915_request *prev, * Even with preemption, there are times when we think it is better not * to preempt and leave an ostensibly lower priority request in flight. */ - if (port_request(execlists->port) == prev) + if (i915_request_is_active(prev)) return true; return rq_prio(prev) >= rq_prio(next); @@ -442,13 +470,11 @@ __unwind_incomplete_requests(struct intel_engine_cs *engine) struct intel_engine_cs *owner; if (i915_request_completed(rq)) - break; + continue; /* XXX */ __i915_request_unsubmit(rq); unwind_wa_tail(rq); - GEM_BUG_ON(rq->hw_context->inflight); - /* * Push the request back into the queue for later resubmission. * If this request is not native to this physical engine (i.e. @@ -468,6 +494,19 @@ __unwind_incomplete_requests(struct intel_engine_cs *engine) list_move(&rq->sched.link, pl); active = rq; } else { + /* + * Decouple the virtual breadcrumb before moving it + * back to the virtual engine -- we don't want the + * request to complete in the background and try + * and cancel the breadcrumb on the virtual engine + * (instead of the old engine where it is linked)! + */ + if (test_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, + &rq->fence.flags)) { + spin_lock(&rq->lock); + i915_request_cancel_breadcrumb(rq); + spin_unlock(&rq->lock); + } rq->engine = owner; owner->submit_request(rq); active = NULL; @@ -500,32 +539,32 @@ execlists_context_status_change(struct i915_request *rq, unsigned long status) status, rq); } -inline void -execlists_user_begin(struct intel_engine_execlists *execlists, - const struct execlist_port *port) +static inline struct i915_request * +execlists_schedule_in(struct i915_request *rq, int idx) { - execlists_set_active_once(execlists, EXECLISTS_ACTIVE_USER); -} + struct intel_context *ce = rq->hw_context; + int count; -inline void -execlists_user_end(struct intel_engine_execlists *execlists) -{ - execlists_clear_active(execlists, EXECLISTS_ACTIVE_USER); -} + trace_i915_request_in(rq, idx); -static inline void -execlists_context_schedule_in(struct i915_request *rq) -{ - GEM_BUG_ON(rq->hw_context->inflight); + count = intel_context_inflight_count(ce); + if (!count) { + intel_context_get(ce); + ce->inflight = rq->engine; + + execlists_context_status_change(rq, INTEL_CONTEXT_SCHEDULE_IN); + intel_engine_context_in(ce->inflight); + } + + intel_context_inflight_inc(ce); + GEM_BUG_ON(intel_context_inflight(ce) != rq->engine); - execlists_context_status_change(rq, INTEL_CONTEXT_SCHEDULE_IN); - intel_engine_context_in(rq->engine); - rq->hw_context->inflight = rq->engine; + return i915_request_get(rq); } -static void kick_siblings(struct i915_request *rq) +static void kick_siblings(struct i915_request *rq, struct intel_context *ce) { - struct virtual_engine *ve = to_virtual_engine(rq->hw_context->engine); + struct virtual_engine *ve = container_of(ce, typeof(*ve), context); struct i915_request *next = READ_ONCE(ve->request); if (next && next->execution_mask & ~rq->execution_mask) @@ -533,29 +572,42 @@ static void kick_siblings(struct i915_request *rq) } static inline void -execlists_context_schedule_out(struct i915_request *rq, unsigned long status) +execlists_schedule_out(struct i915_request *rq) { - rq->hw_context->inflight = NULL; - intel_engine_context_out(rq->engine); - execlists_context_status_change(rq, status); + struct intel_context *ce = rq->hw_context; + + GEM_BUG_ON(!intel_context_inflight_count(ce)); + trace_i915_request_out(rq); - /* - * If this is part of a virtual engine, its next request may have - * been blocked waiting for access to the active context. We have - * to kick all the siblings again in case we need to switch (e.g. - * the next request is not runnable on this engine). Hopefully, - * we will already have submitted the next request before the - * tasklet runs and do not need to rebuild each virtual tree - * and kick everyone again. - */ - if (rq->engine != rq->hw_context->engine) - kick_siblings(rq); + intel_context_inflight_dec(ce); + if (!intel_context_inflight_count(ce)) { + intel_engine_context_out(ce->inflight); + execlists_context_status_change(rq, INTEL_CONTEXT_SCHEDULE_OUT); + + /* + * If this is part of a virtual engine, its next request may + * have been blocked waiting for access to the active context. + * We have to kick all the siblings again in case we need to + * switch (e.g. the next request is not runnable on this + * engine). Hopefully, we will already have submitted the next + * request before the tasklet runs and do not need to rebuild + * each virtual tree and kick everyone again. + */ + ce->inflight = NULL; + if (rq->engine != ce->engine) + kick_siblings(rq, ce); + + intel_context_put(ce); + } + + i915_request_put(rq); } -static u64 execlists_update_context(struct i915_request *rq) +static u64 execlists_update_context(const struct i915_request *rq) { struct intel_context *ce = rq->hw_context; + u64 desc; ce->lrc_reg_state[CTX_RING_TAIL + 1] = intel_ring_set_tail(rq->ring, rq->tail); @@ -576,7 +628,11 @@ static u64 execlists_update_context(struct i915_request *rq) * wmb). */ mb(); - return ce->lrc_desc; + + desc = ce->lrc_desc; + ce->lrc_desc &= ~CTX_DESC_FORCE_RESTORE; + + return desc; } static inline void write_desc(struct intel_engine_execlists *execlists, u64 desc, u32 port) @@ -590,12 +646,62 @@ static inline void write_desc(struct intel_engine_execlists *execlists, u64 desc } } +static __maybe_unused void +trace_ports(const struct intel_engine_execlists *execlists, + const char *msg, + struct i915_request * const *ports) +{ + const struct intel_engine_cs *engine = + container_of(execlists, typeof(*engine), execlists); + + GEM_TRACE("%s: %s { %llx:%lld%s, %llx:%lld }\n", + engine->name, msg, + ports[0]->fence.context, + ports[0]->fence.seqno, + i915_request_completed(ports[0]) ? "!" : + i915_request_started(ports[0]) ? "*" : + "", + ports[1] ? ports[1]->fence.context : 0, + ports[1] ? ports[1]->fence.seqno : 0); +} + +static __maybe_unused bool +assert_pending_valid(const struct intel_engine_execlists *execlists, + const char *msg) +{ + struct i915_request * const *port, *rq; + struct intel_context *ce = NULL; + + trace_ports(execlists, msg, execlists->pending); + + if (execlists->pending[execlists_num_ports(execlists)]) + return false; + + for (port = execlists->pending; (rq = *port); port++) { + if (ce == rq->hw_context) + return false; + + ce = rq->hw_context; + if (i915_request_completed(rq)) + continue; + + if (i915_active_is_idle(&ce->active)) + return false; + + if (!i915_vma_is_pinned(ce->state)) + return false; + } + + return ce; +} + static void execlists_submit_ports(struct intel_engine_cs *engine) { struct intel_engine_execlists *execlists = &engine->execlists; - struct execlist_port *port = execlists->port; unsigned int n; + GEM_BUG_ON(!assert_pending_valid(execlists, "submit")); + /* * We can skip acquiring intel_runtime_pm_get() here as it was taken * on our behalf by the request (see i915_gem_mark_busy()) and it will @@ -604,7 +710,7 @@ static void execlists_submit_ports(struct intel_engine_cs *engine) * that all ELSP are drained i.e. we have processed the CSB, * before allowing ourselves to idle and calling intel_runtime_pm_put(). */ - GEM_BUG_ON(!intel_wakeref_active(&engine->wakeref)); + GEM_BUG_ON(!intel_engine_pm_is_awake(engine)); /* * ELSQ note: the submit queue is not cleared after being submitted @@ -613,38 +719,16 @@ static void execlists_submit_ports(struct intel_engine_cs *engine) * of elsq entries, keep this in mind before changing the loop below. */ for (n = execlists_num_ports(execlists); n--; ) { - struct i915_request *rq; - unsigned int count; - u64 desc; + struct i915_request *rq = execlists->pending[n]; - rq = port_unpack(&port[n], &count); - if (rq) { - GEM_BUG_ON(count > !n); - if (!count++) - execlists_context_schedule_in(rq); - port_set(&port[n], port_pack(rq, count)); - desc = execlists_update_context(rq); - GEM_DEBUG_EXEC(port[n].context_id = upper_32_bits(desc)); - - GEM_TRACE("%s in[%d]: ctx=%d.%d, fence %llx:%lld (current %d), prio=%d\n", - engine->name, n, - port[n].context_id, count, - rq->fence.context, rq->fence.seqno, - hwsp_seqno(rq), - rq_prio(rq)); - } else { - GEM_BUG_ON(!n); - desc = 0; - } - - write_desc(execlists, desc, n); + write_desc(execlists, + rq ? execlists_update_context(rq) : 0, + n); } /* we need to manually load the submit queue */ if (execlists->ctrl_reg) writel(EL_CTRL_LOAD, execlists->ctrl_reg); - - execlists_clear_active(execlists, EXECLISTS_ACTIVE_HWACK); } static bool ctx_single_port_submission(const struct intel_context *ce) @@ -668,6 +752,7 @@ static bool can_merge_ctx(const struct intel_context *prev, static bool can_merge_rq(const struct i915_request *prev, const struct i915_request *next) { + GEM_BUG_ON(prev == next); GEM_BUG_ON(!assert_priority_queue(prev, next)); if (!can_merge_ctx(prev->hw_context, next->hw_context)) @@ -676,58 +761,6 @@ static bool can_merge_rq(const struct i915_request *prev, return true; } -static void port_assign(struct execlist_port *port, struct i915_request *rq) -{ - GEM_BUG_ON(rq == port_request(port)); - - if (port_isset(port)) - i915_request_put(port_request(port)); - - port_set(port, port_pack(i915_request_get(rq), port_count(port))); -} - -static void inject_preempt_context(struct intel_engine_cs *engine) -{ - struct intel_engine_execlists *execlists = &engine->execlists; - struct intel_context *ce = engine->preempt_context; - unsigned int n; - - GEM_BUG_ON(execlists->preempt_complete_status != - upper_32_bits(ce->lrc_desc)); - - /* - * Switch to our empty preempt context so - * the state of the GPU is known (idle). - */ - GEM_TRACE("%s\n", engine->name); - for (n = execlists_num_ports(execlists); --n; ) - write_desc(execlists, 0, n); - - write_desc(execlists, ce->lrc_desc, n); - - /* we need to manually load the submit queue */ - if (execlists->ctrl_reg) - writel(EL_CTRL_LOAD, execlists->ctrl_reg); - - execlists_clear_active(execlists, EXECLISTS_ACTIVE_HWACK); - execlists_set_active(execlists, EXECLISTS_ACTIVE_PREEMPT); - - (void)I915_SELFTEST_ONLY(execlists->preempt_hang.count++); -} - -static void complete_preempt_context(struct intel_engine_execlists *execlists) -{ - GEM_BUG_ON(!execlists_is_active(execlists, EXECLISTS_ACTIVE_PREEMPT)); - - if (inject_preempt_hang(execlists)) - return; - - execlists_cancel_port_requests(execlists); - __unwind_incomplete_requests(container_of(execlists, - struct intel_engine_cs, - execlists)); -} - static void virtual_update_register_offsets(u32 *regs, struct intel_engine_cs *engine) { @@ -792,7 +825,7 @@ static bool virtual_matches(const struct virtual_engine *ve, * we reuse the register offsets). This is a very small * hystersis on the greedy seelction algorithm. */ - inflight = READ_ONCE(ve->context.inflight); + inflight = intel_context_inflight(&ve->context); if (inflight && inflight != engine) return false; @@ -815,13 +848,108 @@ static void virtual_xfer_breadcrumbs(struct virtual_engine *ve, spin_unlock(&old->breadcrumbs.irq_lock); } +static struct i915_request * +last_active(const struct intel_engine_execlists *execlists) +{ + struct i915_request * const *last = execlists->active; + + while (*last && i915_request_completed(*last)) + last++; + + return *last; +} + +static void defer_request(struct i915_request *rq, struct list_head * const pl) +{ + LIST_HEAD(list); + + /* + * We want to move the interrupted request to the back of + * the round-robin list (i.e. its priority level), but + * in doing so, we must then move all requests that were in + * flight and were waiting for the interrupted request to + * be run after it again. + */ + do { + struct i915_dependency *p; + + GEM_BUG_ON(i915_request_is_active(rq)); + list_move_tail(&rq->sched.link, pl); + + list_for_each_entry(p, &rq->sched.waiters_list, wait_link) { + struct i915_request *w = + container_of(p->waiter, typeof(*w), sched); + + /* Leave semaphores spinning on the other engines */ + if (w->engine != rq->engine) + continue; + + /* No waiter should start before its signaler */ + GEM_BUG_ON(i915_request_started(w) && + !i915_request_completed(rq)); + + GEM_BUG_ON(i915_request_is_active(w)); + if (list_empty(&w->sched.link)) + continue; /* Not yet submitted; unready */ + + if (rq_prio(w) < rq_prio(rq)) + continue; + + GEM_BUG_ON(rq_prio(w) > rq_prio(rq)); + list_move_tail(&w->sched.link, &list); + } + + rq = list_first_entry_or_null(&list, typeof(*rq), sched.link); + } while (rq); +} + +static void defer_active(struct intel_engine_cs *engine) +{ + struct i915_request *rq; + + rq = __unwind_incomplete_requests(engine); + if (!rq) + return; + + defer_request(rq, i915_sched_lookup_priolist(engine, rq_prio(rq))); +} + +static bool +need_timeslice(struct intel_engine_cs *engine, const struct i915_request *rq) +{ + int hint; + + if (!intel_engine_has_semaphores(engine)) + return false; + + if (list_is_last(&rq->sched.link, &engine->active.requests)) + return false; + + hint = max(rq_prio(list_next_entry(rq, sched.link)), + engine->execlists.queue_priority_hint); + + return hint >= effective_prio(rq); +} + +static bool +enable_timeslice(struct intel_engine_cs *engine) +{ + struct i915_request *last = last_active(&engine->execlists); + + return last && need_timeslice(engine, last); +} + +static void record_preemption(struct intel_engine_execlists *execlists) +{ + (void)I915_SELFTEST_ONLY(execlists->preempt_hang.count++); +} + static void execlists_dequeue(struct intel_engine_cs *engine) { struct intel_engine_execlists * const execlists = &engine->execlists; - struct execlist_port *port = execlists->port; - const struct execlist_port * const last_port = - &execlists->port[execlists->port_mask]; - struct i915_request *last = port_request(port); + struct i915_request **port = execlists->pending; + struct i915_request ** const last_port = port + execlists->port_mask; + struct i915_request *last; struct rb_node *rb; bool submit = false; @@ -867,65 +995,100 @@ static void execlists_dequeue(struct intel_engine_cs *engine) break; } + /* + * If the queue is higher priority than the last + * request in the currently active context, submit afresh. + * We will resubmit again afterwards in case we need to split + * the active context to interject the preemption request, + * i.e. we will retrigger preemption following the ack in case + * of trouble. + */ + last = last_active(execlists); if (last) { - /* - * Don't resubmit or switch until all outstanding - * preemptions (lite-restore) are seen. Then we - * know the next preemption status we see corresponds - * to this ELSP update. - */ - GEM_BUG_ON(!execlists_is_active(execlists, - EXECLISTS_ACTIVE_USER)); - GEM_BUG_ON(!port_count(&port[0])); + if (need_preempt(engine, last, rb)) { + GEM_TRACE("%s: preempting last=%llx:%lld, prio=%d, hint=%d\n", + engine->name, + last->fence.context, + last->fence.seqno, + last->sched.attr.priority, + execlists->queue_priority_hint); + record_preemption(execlists); - /* - * If we write to ELSP a second time before the HW has had - * a chance to respond to the previous write, we can confuse - * the HW and hit "undefined behaviour". After writing to ELSP, - * we must then wait until we see a context-switch event from - * the HW to indicate that it has had a chance to respond. - */ - if (!execlists_is_active(execlists, EXECLISTS_ACTIVE_HWACK)) - return; + /* + * Don't let the RING_HEAD advance past the breadcrumb + * as we unwind (and until we resubmit) so that we do + * not accidentally tell it to go backwards. + */ + ring_set_paused(engine, 1); - if (need_preempt(engine, last, rb)) { - inject_preempt_context(engine); - return; - } + /* + * Note that we have not stopped the GPU at this point, + * so we are unwinding the incomplete requests as they + * remain inflight and so by the time we do complete + * the preemption, some of the unwound requests may + * complete! + */ + __unwind_incomplete_requests(engine); - /* - * In theory, we could coalesce more requests onto - * the second port (the first port is active, with - * no preemptions pending). However, that means we - * then have to deal with the possible lite-restore - * of the second port (as we submit the ELSP, there - * may be a context-switch) but also we may complete - * the resubmission before the context-switch. Ergo, - * coalescing onto the second port will cause a - * preemption event, but we cannot predict whether - * that will affect port[0] or port[1]. - * - * If the second port is already active, we can wait - * until the next context-switch before contemplating - * new requests. The GPU will be busy and we should be - * able to resubmit the new ELSP before it idles, - * avoiding pipeline bubbles (momentary pauses where - * the driver is unable to keep up the supply of new - * work). However, we have to double check that the - * priorities of the ports haven't been switch. - */ - if (port_count(&port[1])) - return; + /* + * If we need to return to the preempted context, we + * need to skip the lite-restore and force it to + * reload the RING_TAIL. Otherwise, the HW has a + * tendency to ignore us rewinding the TAIL to the + * end of an earlier request. + */ + last->hw_context->lrc_desc |= CTX_DESC_FORCE_RESTORE; + last = NULL; + } else if (need_timeslice(engine, last) && + !timer_pending(&engine->execlists.timer)) { + GEM_TRACE("%s: expired last=%llx:%lld, prio=%d, hint=%d\n", + engine->name, + last->fence.context, + last->fence.seqno, + last->sched.attr.priority, + execlists->queue_priority_hint); - /* - * WaIdleLiteRestore:bdw,skl - * Apply the wa NOOPs to prevent - * ring:HEAD == rq:TAIL as we resubmit the - * request. See gen8_emit_fini_breadcrumb() for - * where we prepare the padding after the - * end of the request. - */ - last->tail = last->wa_tail; + ring_set_paused(engine, 1); + defer_active(engine); + + /* + * Unlike for preemption, if we rewind and continue + * executing the same context as previously active, + * the order of execution will remain the same and + * the tail will only advance. We do not need to + * force a full context restore, as a lite-restore + * is sufficient to resample the monotonic TAIL. + * + * If we switch to any other context, similarly we + * will not rewind TAIL of current context, and + * normal save/restore will preserve state and allow + * us to later continue executing the same request. + */ + last = NULL; + } else { + /* + * Otherwise if we already have a request pending + * for execution after the current one, we can + * just wait until the next CS event before + * queuing more. In either case we will force a + * lite-restore preemption event, but if we wait + * we hopefully coalesce several updates into a single + * submission. + */ + if (!list_is_last(&last->sched.link, + &engine->active.requests)) + return; + + /* + * WaIdleLiteRestore:bdw,skl + * Apply the wa NOOPs to prevent + * ring:HEAD == rq:TAIL as we resubmit the + * request. See gen8_emit_fini_breadcrumb() for + * where we prepare the padding after the + * end of the request. + */ + last->tail = last->wa_tail; + } } while (rb) { /* XXX virtual is always taking precedence */ @@ -955,9 +1118,24 @@ static void execlists_dequeue(struct intel_engine_cs *engine) continue; } + if (i915_request_completed(rq)) { + ve->request = NULL; + ve->base.execlists.queue_priority_hint = INT_MIN; + rb_erase_cached(rb, &execlists->virtual); + RB_CLEAR_NODE(rb); + + rq->engine = engine; + __i915_request_submit(rq); + + spin_unlock(&ve->base.active.lock); + + rb = rb_first_cached(&execlists->virtual); + continue; + } + if (last && !can_merge_rq(last, rq)) { spin_unlock(&ve->base.active.lock); - return; /* leave this rq for another engine */ + return; /* leave this for another */ } GEM_TRACE("%s: virtual rq=%llx:%lld%s, new engine? %s\n", @@ -1006,9 +1184,10 @@ static void execlists_dequeue(struct intel_engine_cs *engine) } __i915_request_submit(rq); - trace_i915_request_in(rq, port_index(port, execlists)); - submit = true; - last = rq; + if (!i915_request_completed(rq)) { + submit = true; + last = rq; + } } spin_unlock(&ve->base.active.lock); @@ -1021,6 +1200,9 @@ static void execlists_dequeue(struct intel_engine_cs *engine) int i; priolist_for_each_request_consume(rq, rn, p, i) { + if (i915_request_completed(rq)) + goto skip; + /* * Can we combine this request with the current port? * It has to be the same context/ringbuffer and not @@ -1060,19 +1242,14 @@ static void execlists_dequeue(struct intel_engine_cs *engine) ctx_single_port_submission(rq->hw_context)) goto done; - - if (submit) - port_assign(port, last); + *port = execlists_schedule_in(last, port - execlists->pending); port++; - - GEM_BUG_ON(port_isset(port)); } - __i915_request_submit(rq); - trace_i915_request_in(rq, port_index(port, execlists)); - last = rq; submit = true; +skip: + __i915_request_submit(rq); } rb_erase_cached(&p->node, &execlists->queue); @@ -1097,54 +1274,32 @@ done: * interrupt for secondary ports). */ execlists->queue_priority_hint = queue_prio(execlists); + GEM_TRACE("%s: queue_priority_hint:%d, submit:%s\n", + engine->name, execlists->queue_priority_hint, + yesno(submit)); if (submit) { - port_assign(port, last); + *port = execlists_schedule_in(last, port - execlists->pending); + memset(port + 1, 0, (last_port - port) * sizeof(*port)); execlists_submit_ports(engine); + } else { + ring_set_paused(engine, 0); } - - /* We must always keep the beast fed if we have work piled up */ - GEM_BUG_ON(rb_first_cached(&execlists->queue) && - !port_isset(execlists->port)); - - /* Re-evaluate the executing context setup after each preemptive kick */ - if (last) - execlists_user_begin(execlists, execlists->port); - - /* If the engine is now idle, so should be the flag; and vice versa. */ - GEM_BUG_ON(execlists_is_active(&engine->execlists, - EXECLISTS_ACTIVE_USER) == - !port_isset(engine->execlists.port)); } void execlists_cancel_port_requests(struct intel_engine_execlists * const execlists) { - struct execlist_port *port = execlists->port; - unsigned int num_ports = execlists_num_ports(execlists); + struct i915_request * const *port, *rq; - while (num_ports-- && port_isset(port)) { - struct i915_request *rq = port_request(port); + for (port = execlists->pending; (rq = *port); port++) + execlists_schedule_out(rq); + memset(execlists->pending, 0, sizeof(execlists->pending)); - GEM_TRACE("%s:port%u fence %llx:%lld, (current %d)\n", - rq->engine->name, - (unsigned int)(port - execlists->port), - rq->fence.context, rq->fence.seqno, - hwsp_seqno(rq)); - - GEM_BUG_ON(!execlists->active); - execlists_context_schedule_out(rq, - i915_request_completed(rq) ? - INTEL_CONTEXT_SCHEDULE_OUT : - INTEL_CONTEXT_SCHEDULE_PREEMPTED); - - i915_request_put(rq); - - memset(port, 0, sizeof(*port)); - port++; - } - - execlists_clear_all_active(execlists); + for (port = execlists->active; (rq = *port); port++) + execlists_schedule_out(rq); + execlists->active = + memset(execlists->inflight, 0, sizeof(execlists->inflight)); } static inline void @@ -1160,10 +1315,33 @@ reset_in_progress(const struct intel_engine_execlists *execlists) return unlikely(!__tasklet_is_enabled(&execlists->tasklet)); } +enum csb_step { + CSB_NOP, + CSB_PROMOTE, + CSB_PREEMPT, + CSB_COMPLETE, +}; + +static inline enum csb_step +csb_parse(const struct intel_engine_execlists *execlists, const u32 *csb) +{ + unsigned int status = *csb; + + if (status & GEN8_CTX_STATUS_IDLE_ACTIVE) + return CSB_PROMOTE; + + if (status & GEN8_CTX_STATUS_PREEMPTED) + return CSB_PREEMPT; + + if (*execlists->active) + return CSB_COMPLETE; + + return CSB_NOP; +} + static void process_csb(struct intel_engine_cs *engine) { struct intel_engine_execlists * const execlists = &engine->execlists; - struct execlist_port *port = execlists->port; const u32 * const buf = execlists->csb_status; const u8 num_entries = execlists->csb_size; u8 head, tail; @@ -1198,10 +1376,6 @@ static void process_csb(struct intel_engine_cs *engine) rmb(); do { - struct i915_request *rq; - unsigned int status; - unsigned int count; - if (++head == num_entries) head = 0; @@ -1223,68 +1397,39 @@ static void process_csb(struct intel_engine_cs *engine) * status notifier. */ - GEM_TRACE("%s csb[%d]: status=0x%08x:0x%08x, active=0x%x\n", + GEM_TRACE("%s csb[%d]: status=0x%08x:0x%08x\n", engine->name, head, - buf[2 * head + 0], buf[2 * head + 1], - execlists->active); - - status = buf[2 * head]; - if (status & (GEN8_CTX_STATUS_IDLE_ACTIVE | - GEN8_CTX_STATUS_PREEMPTED)) - execlists_set_active(execlists, - EXECLISTS_ACTIVE_HWACK); - if (status & GEN8_CTX_STATUS_ACTIVE_IDLE) - execlists_clear_active(execlists, - EXECLISTS_ACTIVE_HWACK); - - if (!(status & GEN8_CTX_STATUS_COMPLETED_MASK)) - continue; + buf[2 * head + 0], buf[2 * head + 1]); - /* We should never get a COMPLETED | IDLE_ACTIVE! */ - GEM_BUG_ON(status & GEN8_CTX_STATUS_IDLE_ACTIVE); + switch (csb_parse(execlists, buf + 2 * head)) { + case CSB_PREEMPT: /* cancel old inflight, prepare for switch */ + trace_ports(execlists, "preempted", execlists->active); - if (status & GEN8_CTX_STATUS_COMPLETE && - buf[2*head + 1] == execlists->preempt_complete_status) { - GEM_TRACE("%s preempt-idle\n", engine->name); - complete_preempt_context(execlists); - continue; - } + while (*execlists->active) + execlists_schedule_out(*execlists->active++); - if (status & GEN8_CTX_STATUS_PREEMPTED && - execlists_is_active(execlists, - EXECLISTS_ACTIVE_PREEMPT)) - continue; + /* fallthrough */ + case CSB_PROMOTE: /* switch pending to inflight */ + GEM_BUG_ON(*execlists->active); + GEM_BUG_ON(!assert_pending_valid(execlists, "promote")); + execlists->active = + memcpy(execlists->inflight, + execlists->pending, + execlists_num_ports(execlists) * + sizeof(*execlists->pending)); + execlists->pending[0] = NULL; - GEM_BUG_ON(!execlists_is_active(execlists, - EXECLISTS_ACTIVE_USER)); + trace_ports(execlists, "promoted", execlists->active); - rq = port_unpack(port, &count); - GEM_TRACE("%s out[0]: ctx=%d.%d, fence %llx:%lld (current %d), prio=%d\n", - engine->name, - port->context_id, count, - rq ? rq->fence.context : 0, - rq ? rq->fence.seqno : 0, - rq ? hwsp_seqno(rq) : 0, - rq ? rq_prio(rq) : 0); + if (enable_timeslice(engine)) + mod_timer(&execlists->timer, jiffies + 1); - /* Check the context/desc id for this event matches */ - GEM_DEBUG_BUG_ON(buf[2 * head + 1] != port->context_id); + if (!inject_preempt_hang(execlists)) + ring_set_paused(engine, 0); + break; - GEM_BUG_ON(count == 0); - if (--count == 0) { - /* - * On the final event corresponding to the - * submission of this context, we expect either - * an element-switch event or a completion - * event (and on completion, the active-idle - * marker). No more preemptions, lite-restore - * or otherwise. - */ - GEM_BUG_ON(status & GEN8_CTX_STATUS_PREEMPTED); - GEM_BUG_ON(port_isset(&port[1]) && - !(status & GEN8_CTX_STATUS_ELEMENT_SWITCH)); - GEM_BUG_ON(!port_isset(&port[1]) && - !(status & GEN8_CTX_STATUS_ACTIVE_IDLE)); + case CSB_COMPLETE: /* port0 completed, advanced to port1 */ + trace_ports(execlists, "completed", execlists->active); /* * We rely on the hardware being strongly @@ -1292,22 +1437,16 @@ static void process_csb(struct intel_engine_cs *engine) * coherent (visible from the CPU) before the * user interrupt and CSB is processed. */ - GEM_BUG_ON(!i915_request_completed(rq)); + GEM_BUG_ON(!i915_request_completed(*execlists->active) && + !reset_in_progress(execlists)); + execlists_schedule_out(*execlists->active++); - execlists_context_schedule_out(rq, - INTEL_CONTEXT_SCHEDULE_OUT); - i915_request_put(rq); - - GEM_TRACE("%s completed ctx=%d\n", - engine->name, port->context_id); + GEM_BUG_ON(execlists->active - execlists->inflight > + execlists_num_ports(execlists)); + break; - port = execlists_port_complete(execlists, port); - if (port_isset(port)) - execlists_user_begin(execlists, port); - else - execlists_user_end(execlists); - } else { - port_set(port, port_pack(rq, count)); + case CSB_NOP: + break; } } while (head != tail); @@ -1332,7 +1471,7 @@ static void __execlists_submission_tasklet(struct intel_engine_cs *const engine) lockdep_assert_held(&engine->active.lock); process_csb(engine); - if (!execlists_is_active(&engine->execlists, EXECLISTS_ACTIVE_PREEMPT)) + if (!engine->execlists.pending[0]) execlists_dequeue(engine); } @@ -1345,16 +1484,20 @@ static void execlists_submission_tasklet(unsigned long data) struct intel_engine_cs * const engine = (struct intel_engine_cs *)data; unsigned long flags; - GEM_TRACE("%s awake?=%d, active=%x\n", - engine->name, - !!intel_wakeref_active(&engine->wakeref), - engine->execlists.active); - spin_lock_irqsave(&engine->active.lock, flags); __execlists_submission_tasklet(engine); spin_unlock_irqrestore(&engine->active.lock, flags); } +static void execlists_submission_timer(struct timer_list *timer) +{ + struct intel_engine_cs *engine = + from_timer(engine, timer, execlists.timer); + + /* Kick the tasklet for some interrupt coalescing and reset handling */ + tasklet_hi_schedule(&engine->execlists.tasklet); +} + static void queue_request(struct intel_engine_cs *engine, struct i915_sched_node *node, int prio) @@ -1376,12 +1519,16 @@ static void __submit_queue_imm(struct intel_engine_cs *engine) tasklet_hi_schedule(&execlists->tasklet); } -static void submit_queue(struct intel_engine_cs *engine, int prio) +static void submit_queue(struct intel_engine_cs *engine, + const struct i915_request *rq) { - if (prio > engine->execlists.queue_priority_hint) { - engine->execlists.queue_priority_hint = prio; - __submit_queue_imm(engine); - } + struct intel_engine_execlists *execlists = &engine->execlists; + + if (rq_prio(rq) <= execlists->queue_priority_hint) + return; + + execlists->queue_priority_hint = rq_prio(rq); + __submit_queue_imm(engine); } static void execlists_submit_request(struct i915_request *request) @@ -1397,7 +1544,7 @@ static void execlists_submit_request(struct i915_request *request) GEM_BUG_ON(RB_EMPTY_ROOT(&engine->execlists.queue.rb_root)); GEM_BUG_ON(list_empty(&request->sched.link)); - submit_queue(engine, rq_prio(request)); + submit_queue(engine, request); spin_unlock_irqrestore(&engine->active.lock, flags); } @@ -1405,9 +1552,7 @@ static void execlists_submit_request(struct i915_request *request) static void __execlists_context_fini(struct intel_context *ce) { intel_ring_put(ce->ring); - - GEM_BUG_ON(i915_gem_object_is_active(ce->state->obj)); - i915_gem_object_put(ce->state->obj); + i915_vma_put(ce->state); } static void execlists_context_destroy(struct kref *kref) @@ -1420,6 +1565,7 @@ static void execlists_context_destroy(struct kref *kref) if (ce->state) __execlists_context_fini(ce); + intel_context_fini(ce); intel_context_free(ce); } @@ -1444,9 +1590,12 @@ __execlists_update_reg_state(struct intel_context *ce, regs[CTX_RING_TAIL + 1] = ring->tail; /* RPCS */ - if (engine->class == RENDER_CLASS) + if (engine->class == RENDER_CLASS) { regs[CTX_R_PWR_CLK_STATE + 1] = intel_sseu_make_rpcs(engine->i915, &ce->sseu); + + i915_oa_init_reg_state(engine, ce, regs); + } } static int @@ -1456,19 +1605,15 @@ __execlists_context_pin(struct intel_context *ce, void *vaddr; int ret; - GEM_BUG_ON(!ce->gem_context->vm); - ret = execlists_context_deferred_alloc(ce, engine); if (ret) goto err; GEM_BUG_ON(!ce->state); - ret = intel_context_active_acquire(ce, - engine->i915->ggtt.pin_bias | - PIN_OFFSET_BIAS | - PIN_HIGH); + ret = intel_context_active_acquire(ce); if (ret) goto err; + GEM_BUG_ON(!i915_vma_is_pinned(ce->state)); vaddr = i915_gem_object_pin_map(ce->state->obj, i915_coherent_map_type(engine->i915) | @@ -1569,8 +1714,7 @@ static int gen8_emit_init_breadcrumb(struct i915_request *rq) static int emit_pdps(struct i915_request *rq) { const struct intel_engine_cs * const engine = rq->engine; - struct i915_ppgtt * const ppgtt = - i915_vm_to_ppgtt(rq->gem_context->vm); + struct i915_ppgtt * const ppgtt = i915_vm_to_ppgtt(rq->hw_context->vm); int err, i; u32 *cs; @@ -1643,7 +1787,7 @@ static int execlists_request_alloc(struct i915_request *request) */ /* Unconditionally invalidate GPU caches and TLBs. */ - if (i915_vm_is_4lvl(request->gem_context->vm)) + if (i915_vm_is_4lvl(request->hw_context->vm)) ret = request->engine->emit_flush(request, EMIT_INVALIDATE); else ret = emit_pdps(request); @@ -1676,7 +1820,8 @@ gen8_emit_flush_coherentl3_wa(struct intel_engine_cs *engine, u32 *batch) /* NB no one else is allowed to scribble over scratch + 256! */ *batch++ = MI_STORE_REGISTER_MEM_GEN8 | MI_SRM_LRM_GLOBAL_GTT; *batch++ = i915_mmio_reg_offset(GEN8_L3SQCREG4); - *batch++ = i915_scratch_offset(engine->i915) + 256; + *batch++ = intel_gt_scratch_offset(engine->gt, + INTEL_GT_SCRATCH_FIELD_COHERENTL3_WA); *batch++ = 0; *batch++ = MI_LOAD_REGISTER_IMM(1); @@ -1690,12 +1835,19 @@ gen8_emit_flush_coherentl3_wa(struct intel_engine_cs *engine, u32 *batch) *batch++ = MI_LOAD_REGISTER_MEM_GEN8 | MI_SRM_LRM_GLOBAL_GTT; *batch++ = i915_mmio_reg_offset(GEN8_L3SQCREG4); - *batch++ = i915_scratch_offset(engine->i915) + 256; + *batch++ = intel_gt_scratch_offset(engine->gt, + INTEL_GT_SCRATCH_FIELD_COHERENTL3_WA); *batch++ = 0; return batch; } +static u32 slm_offset(struct intel_engine_cs *engine) +{ + return intel_gt_scratch_offset(engine->gt, + INTEL_GT_SCRATCH_FIELD_CLEAR_SLM_WA); +} + /* * Typically we only have one indirect_ctx and per_ctx batch buffer which are * initialized at the beginning and shared across all contexts but this field @@ -1727,8 +1879,7 @@ static u32 *gen8_init_indirectctx_bb(struct intel_engine_cs *engine, u32 *batch) PIPE_CONTROL_GLOBAL_GTT_IVB | PIPE_CONTROL_CS_STALL | PIPE_CONTROL_QW_WRITE, - i915_scratch_offset(engine->i915) + - 2 * CACHELINE_BYTES); + slm_offset(engine)); *batch++ = MI_ARB_ON_OFF | MI_ARB_ENABLE; @@ -1874,7 +2025,7 @@ static int lrc_setup_wa_ctx(struct intel_engine_cs *engine) if (IS_ERR(obj)) return PTR_ERR(obj); - vma = i915_vma_instance(obj, &engine->i915->ggtt.vm, NULL); + vma = i915_vma_instance(obj, &engine->gt->ggtt->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto err; @@ -1970,22 +2121,23 @@ static int intel_init_workaround_bb(struct intel_engine_cs *engine) static void enable_execlists(struct intel_engine_cs *engine) { + u32 mode; + + assert_forcewakes_active(engine->uncore, FORCEWAKE_ALL); + intel_engine_set_hwsp_writemask(engine, ~0u); /* HWSTAM */ if (INTEL_GEN(engine->i915) >= 11) - ENGINE_WRITE(engine, - RING_MODE_GEN7, - _MASKED_BIT_ENABLE(GEN11_GFX_DISABLE_LEGACY_MODE)); + mode = _MASKED_BIT_ENABLE(GEN11_GFX_DISABLE_LEGACY_MODE); else - ENGINE_WRITE(engine, - RING_MODE_GEN7, - _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)); + mode = _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE); + ENGINE_WRITE_FW(engine, RING_MODE_GEN7, mode); - ENGINE_WRITE(engine, RING_MI_MODE, _MASKED_BIT_DISABLE(STOP_RING)); + ENGINE_WRITE_FW(engine, RING_MI_MODE, _MASKED_BIT_DISABLE(STOP_RING)); - ENGINE_WRITE(engine, - RING_HWS_PGA, - i915_ggtt_offset(engine->status_page.vma)); + ENGINE_WRITE_FW(engine, + RING_HWS_PGA, + i915_ggtt_offset(engine->status_page.vma)); ENGINE_POSTING_READ(engine, RING_HWS_PGA); } @@ -1993,7 +2145,7 @@ static bool unexpected_starting_state(struct intel_engine_cs *engine) { bool unexpected = false; - if (ENGINE_READ(engine, RING_MI_MODE) & STOP_RING) { + if (ENGINE_READ_FW(engine, RING_MI_MODE) & STOP_RING) { DRM_DEBUG_DRIVER("STOP_RING still set in RING_MI_MODE\n"); unexpected = true; } @@ -2041,34 +2193,32 @@ static void execlists_reset_prepare(struct intel_engine_cs *engine) __tasklet_disable_sync_once(&execlists->tasklet); GEM_BUG_ON(!reset_in_progress(execlists)); - intel_engine_stop_cs(engine); - /* And flush any current direct submission. */ spin_lock_irqsave(&engine->active.lock, flags); spin_unlock_irqrestore(&engine->active.lock, flags); -} - -static bool lrc_regs_ok(const struct i915_request *rq) -{ - const struct intel_ring *ring = rq->ring; - const u32 *regs = rq->hw_context->lrc_reg_state; - - /* Quick spot check for the common signs of context corruption */ - if (regs[CTX_RING_BUFFER_CONTROL + 1] != - (RING_CTL_SIZE(ring->size) | RING_VALID)) - return false; - - if (regs[CTX_RING_BUFFER_START + 1] != i915_ggtt_offset(ring->vma)) - return false; - - return true; + /* + * We stop engines, otherwise we might get failed reset and a + * dead gpu (on elk). Also as modern gpu as kbl can suffer + * from system hang if batchbuffer is progressing when + * the reset is issued, regardless of READY_TO_RESET ack. + * Thus assume it is best to stop engines on all gens + * where we have a gpu reset. + * + * WaKBLVECSSemaphoreWaitPoll:kbl (on ALL_ENGINES) + * + * FIXME: Wa for more modern gens needs to be validated + */ + intel_engine_stop_cs(engine); } -static void reset_csb_pointers(struct intel_engine_execlists *execlists) +static void reset_csb_pointers(struct intel_engine_cs *engine) { + struct intel_engine_execlists * const execlists = &engine->execlists; const unsigned int reset_value = execlists->csb_size - 1; + ring_set_paused(engine, 0); + /* * After a reset, the HW starts writing into CSB entry [0]. We * therefore have to set our HEAD pointer back one entry so that @@ -2115,18 +2265,21 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled) process_csb(engine); /* drain preemption events */ /* Following the reset, we need to reload the CSB read/write pointers */ - reset_csb_pointers(&engine->execlists); + reset_csb_pointers(engine); /* * Save the currently executing context, even if we completed * its request, it was still running at the time of the * reset and will have been clobbered. */ - if (!port_isset(execlists->port)) - goto out_clear; + rq = execlists_active(execlists); + if (!rq) + goto unwind; - rq = port_request(execlists->port); ce = rq->hw_context; + GEM_BUG_ON(i915_active_is_idle(&ce->active)); + GEM_BUG_ON(!i915_vma_is_pinned(ce->state)); + rq = active_request(rq); /* * Catch up with any missed context-switch interrupts. @@ -2139,9 +2292,12 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled) */ execlists_cancel_port_requests(execlists); - rq = active_request(rq); - if (!rq) + if (!rq) { + ce->ring->head = ce->ring->tail; goto out_replay; + } + + ce->ring->head = intel_ring_wrap(ce->ring, rq->head); /* * If this request hasn't started yet, e.g. it is waiting on a @@ -2155,7 +2311,7 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled) * Otherwise, if we have not started yet, the request should replay * perfectly and we do not need to flag the result as being erroneous. */ - if (!i915_request_started(rq) && lrc_regs_ok(rq)) + if (!i915_request_started(rq)) goto out_replay; /* @@ -2169,8 +2325,8 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled) * and have to at least restore the RING register in the context * image back to the expected values to skip over the guilty request. */ - i915_reset_request(rq, stalled); - if (!stalled && lrc_regs_ok(rq)) + __i915_request_reset(rq, stalled); + if (!stalled) goto out_replay; /* @@ -2190,17 +2346,14 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled) execlists_init_reg_state(regs, ce, engine, ce->ring); out_replay: - /* Rerun the request; its payload has been neutered (if guilty). */ - ce->ring->head = - rq ? intel_ring_wrap(ce->ring, rq->head) : ce->ring->tail; + GEM_TRACE("%s replay {head:%04x, tail:%04x\n", + engine->name, ce->ring->head, ce->ring->tail); intel_ring_update_space(ce->ring); __execlists_update_reg_state(ce, engine); +unwind: /* Push back any incomplete requests for replay after the reset. */ __unwind_incomplete_requests(engine); - -out_clear: - execlists_clear_all_active(execlists); } static void execlists_reset(struct intel_engine_cs *engine, bool stalled) @@ -2296,7 +2449,6 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine) execlists->queue_priority_hint = INT_MIN; execlists->queue = RB_ROOT_CACHED; - GEM_BUG_ON(port_isset(execlists->port)); GEM_BUG_ON(__tasklet_is_enabled(&execlists->tasklet)); execlists->tasklet.func = nop_submission_tasklet; @@ -2434,7 +2586,8 @@ static int gen8_emit_flush_render(struct i915_request *request, { struct intel_engine_cs *engine = request->engine; u32 scratch_addr = - i915_scratch_offset(engine->i915) + 2 * CACHELINE_BYTES; + intel_gt_scratch_offset(engine->gt, + INTEL_GT_SCRATCH_FIELD_RENDER_FLUSH); bool vf_flush_wa = false, dc_flush_wa = false; u32 *cs, flags = 0; int len; @@ -2514,15 +2667,30 @@ static u32 *gen8_emit_wa_tail(struct i915_request *request, u32 *cs) return cs; } +static u32 *emit_preempt_busywait(struct i915_request *request, u32 *cs) +{ + *cs++ = MI_SEMAPHORE_WAIT | + MI_SEMAPHORE_GLOBAL_GTT | + MI_SEMAPHORE_POLL | + MI_SEMAPHORE_SAD_EQ_SDD; + *cs++ = 0; + *cs++ = intel_hws_preempt_address(request->engine); + *cs++ = 0; + + return cs; +} + static u32 *gen8_emit_fini_breadcrumb(struct i915_request *request, u32 *cs) { cs = gen8_emit_ggtt_write(cs, request->fence.seqno, request->timeline->hwsp_offset, 0); - *cs++ = MI_USER_INTERRUPT; + *cs++ = MI_ARB_ON_OFF | MI_ARB_ENABLE; + if (intel_engine_has_semaphores(request->engine)) + cs = emit_preempt_busywait(request, cs); request->tail = intel_ring_offset(request, cs); assert_ring_tail_valid(request->ring, request->tail); @@ -2543,9 +2711,11 @@ static u32 *gen8_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs) PIPE_CONTROL_FLUSH_ENABLE | PIPE_CONTROL_CS_STALL, 0); - *cs++ = MI_USER_INTERRUPT; + *cs++ = MI_ARB_ON_OFF | MI_ARB_ENABLE; + if (intel_engine_has_semaphores(request->engine)) + cs = emit_preempt_busywait(request, cs); request->tail = intel_ring_offset(request, cs); assert_ring_tail_valid(request->ring, request->tail); @@ -2553,27 +2723,9 @@ static u32 *gen8_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs) return gen8_emit_wa_tail(request, cs); } -static int gen8_init_rcs_context(struct i915_request *rq) -{ - int ret; - - ret = intel_engine_emit_ctx_wa(rq); - if (ret) - return ret; - - ret = intel_rcs_context_init_mocs(rq); - /* - * Failing to program the MOCS is non-fatal.The system will not - * run at peak performance. So generate an error and carry on. - */ - if (ret) - DRM_ERROR("MOCS failed to program: expect performance issues.\n"); - - return i915_gem_render_state_emit(rq); -} - static void execlists_park(struct intel_engine_cs *engine) { + del_timer_sync(&engine->execlists.timer); intel_engine_park(engine); } @@ -2592,11 +2744,11 @@ void intel_execlists_set_default_submission(struct intel_engine_cs *engine) engine->unpark = NULL; engine->flags |= I915_ENGINE_SUPPORTS_STATS; - if (!intel_vgpu_active(engine->i915)) + if (!intel_vgpu_active(engine->i915)) { engine->flags |= I915_ENGINE_HAS_SEMAPHORES; - if (engine->preempt_context && - HAS_LOGICAL_RING_PREEMPTION(engine->i915)) - engine->flags |= I915_ENGINE_HAS_PREEMPTION; + if (HAS_LOGICAL_RING_PREEMPTION(engine->i915)) + engine->flags |= I915_ENGINE_HAS_PREEMPTION; + } } static void execlists_destroy(struct intel_engine_cs *engine) @@ -2672,12 +2824,12 @@ int intel_execlists_submission_setup(struct intel_engine_cs *engine) tasklet_init(&engine->execlists.tasklet, execlists_submission_tasklet, (unsigned long)engine); + timer_setup(&engine->execlists.timer, execlists_submission_timer, 0); logical_ring_default_vfuncs(engine); logical_ring_default_irqs(engine); if (engine->class == RENDER_CLASS) { - engine->init_context = gen8_init_rcs_context; engine->emit_flush = gen8_emit_flush_render; engine->emit_fini_breadcrumb = gen8_emit_fini_breadcrumb_rcs; } @@ -2697,9 +2849,6 @@ int intel_execlists_submission_init(struct intel_engine_cs *engine) if (ret) return ret; - intel_engine_init_workarounds(engine); - intel_engine_init_whitelist(engine); - if (intel_init_workaround_bb(engine)) /* * We continue even if we fail to initialize WA batch @@ -2718,11 +2867,6 @@ int intel_execlists_submission_init(struct intel_engine_cs *engine) i915_mmio_reg_offset(RING_ELSP(base)); } - execlists->preempt_complete_status = ~0u; - if (engine->preempt_context) - execlists->preempt_complete_status = - upper_32_bits(engine->preempt_context->lrc_desc); - execlists->csb_status = &engine->status_page.addr[I915_HWS_CSB_BUF0_INDEX]; @@ -2734,7 +2878,7 @@ int intel_execlists_submission_init(struct intel_engine_cs *engine) else execlists->csb_size = GEN11_CSB_ENTRIES; - reset_csb_pointers(execlists); + reset_csb_pointers(engine); return 0; } @@ -2773,7 +2917,7 @@ static void execlists_init_reg_state(u32 *regs, struct intel_engine_cs *engine, struct intel_ring *ring) { - struct i915_ppgtt *ppgtt = i915_vm_to_ppgtt(ce->gem_context->vm); + struct i915_ppgtt *ppgtt = i915_vm_to_ppgtt(ce->vm); bool rcs = engine->class == RENDER_CLASS; u32 base = engine->mmio_base; @@ -2864,8 +3008,6 @@ static void execlists_init_reg_state(u32 *regs, if (rcs) { regs[CTX_LRI_HEADER_2] = MI_LOAD_REGISTER_IMM(1); CTX_REG(regs, CTX_R_PWR_CLK_STATE, GEN8_R_PWR_CLK_STATE, 0); - - i915_oa_init_reg_state(engine, ce, regs); } regs[CTX_END] = MI_BATCH_BUFFER_END; @@ -2917,11 +3059,6 @@ populate_lr_context(struct intel_context *ce, if (!engine->default_state) regs[CTX_CONTEXT_CONTROL + 1] |= _MASKED_BIT_ENABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT); - if (ce->gem_context == engine->i915->preempt_context && - INTEL_GEN(engine->i915) < 11) - regs[CTX_CONTEXT_CONTROL + 1] |= - _MASKED_BIT_ENABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT | - CTX_CTRL_ENGINE_CTX_SAVE_INHIBIT); ret = 0; err_unpin_ctx: @@ -2932,12 +3069,13 @@ err_unpin_ctx: return ret; } -static struct i915_timeline *get_timeline(struct i915_gem_context *ctx) +static struct intel_timeline * +get_timeline(struct i915_gem_context *ctx, struct intel_gt *gt) { if (ctx->timeline) - return i915_timeline_get(ctx->timeline); + return intel_timeline_get(ctx->timeline); else - return i915_timeline_create(ctx->i915, NULL); + return intel_timeline_create(gt, NULL); } static int execlists_context_deferred_alloc(struct intel_context *ce, @@ -2947,7 +3085,7 @@ static int execlists_context_deferred_alloc(struct intel_context *ce, struct i915_vma *vma; u32 context_size; struct intel_ring *ring; - struct i915_timeline *timeline; + struct intel_timeline *timeline; int ret; if (ce->state) @@ -2965,13 +3103,13 @@ static int execlists_context_deferred_alloc(struct intel_context *ce, if (IS_ERR(ctx_obj)) return PTR_ERR(ctx_obj); - vma = i915_vma_instance(ctx_obj, &engine->i915->ggtt.vm, NULL); + vma = i915_vma_instance(ctx_obj, &engine->gt->ggtt->vm, NULL); if (IS_ERR(vma)) { ret = PTR_ERR(vma); goto error_deref_obj; } - timeline = get_timeline(ce->gem_context); + timeline = get_timeline(ce->gem_context, engine->gt); if (IS_ERR(timeline)) { ret = PTR_ERR(timeline); goto error_deref_obj; @@ -2980,7 +3118,7 @@ static int execlists_context_deferred_alloc(struct intel_context *ce, ring = intel_engine_create_ring(engine, timeline, ce->gem_context->ring_size); - i915_timeline_put(timeline); + intel_timeline_put(timeline); if (IS_ERR(ring)) { ret = PTR_ERR(ring); goto error_deref_obj; @@ -3038,6 +3176,7 @@ static void virtual_context_destroy(struct kref *kref) if (ve->context.state) __execlists_context_fini(&ve->context); + intel_context_fini(&ve->context); kfree(ve->bonds); kfree(ve); @@ -3290,11 +3429,11 @@ intel_execlists_create_virtual(struct i915_gem_context *ctx, return ERR_PTR(-ENOMEM); ve->base.i915 = ctx->i915; + ve->base.gt = siblings[0]->gt; ve->base.id = -1; ve->base.class = OTHER_CLASS; ve->base.uabi_class = I915_ENGINE_CLASS_INVALID; ve->base.instance = I915_ENGINE_CLASS_INVALID_VIRTUAL; - ve->base.flags = I915_ENGINE_IS_VIRTUAL; /* * The decision on whether to submit a request using semaphores @@ -3391,8 +3530,12 @@ intel_execlists_create_virtual(struct i915_gem_context *ctx, ve->base.emit_fini_breadcrumb = sibling->emit_fini_breadcrumb; ve->base.emit_fini_breadcrumb_dw = sibling->emit_fini_breadcrumb_dw; + + ve->base.flags = sibling->flags; } + ve->base.flags |= I915_ENGINE_IS_VIRTUAL; + return &ve->context; err_put: diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c index 1f9db50b1869..e082b25d2db1 100644 --- a/drivers/gpu/drm/i915/gt/intel_mocs.c +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c @@ -23,6 +23,7 @@ #include "i915_drv.h" #include "intel_engine.h" +#include "intel_gt.h" #include "intel_mocs.h" #include "intel_lrc.h" @@ -247,7 +248,7 @@ static const struct drm_i915_mocs_entry icelake_mocs_table[] = { /** * get_mocs_settings() - * @dev_priv: i915 device. + * @gt: gt device * @table: Output table that will be made to point at appropriate * MOCS values for the device. * @@ -257,33 +258,34 @@ static const struct drm_i915_mocs_entry icelake_mocs_table[] = { * * Return: true if there are applicable MOCS settings for the device. */ -static bool get_mocs_settings(struct drm_i915_private *dev_priv, +static bool get_mocs_settings(struct intel_gt *gt, struct drm_i915_mocs_table *table) { + struct drm_i915_private *i915 = gt->i915; bool result = false; - if (INTEL_GEN(dev_priv) >= 11) { + if (INTEL_GEN(i915) >= 11) { table->size = ARRAY_SIZE(icelake_mocs_table); table->table = icelake_mocs_table; table->n_entries = GEN11_NUM_MOCS_ENTRIES; result = true; - } else if (IS_GEN9_BC(dev_priv) || IS_CANNONLAKE(dev_priv)) { + } else if (IS_GEN9_BC(i915) || IS_CANNONLAKE(i915)) { table->size = ARRAY_SIZE(skylake_mocs_table); table->n_entries = GEN9_NUM_MOCS_ENTRIES; table->table = skylake_mocs_table; result = true; - } else if (IS_GEN9_LP(dev_priv)) { + } else if (IS_GEN9_LP(i915)) { table->size = ARRAY_SIZE(broxton_mocs_table); table->n_entries = GEN9_NUM_MOCS_ENTRIES; table->table = broxton_mocs_table; result = true; } else { - WARN_ONCE(INTEL_GEN(dev_priv) >= 9, + WARN_ONCE(INTEL_GEN(i915) >= 9, "Platform that should have a MOCS table does not.\n"); } /* WaDisableSkipCaching:skl,bxt,kbl,glk */ - if (IS_GEN(dev_priv, 9)) { + if (IS_GEN(i915, 9)) { int i; for (i = 0; i < table->size; i++) @@ -338,12 +340,16 @@ static u32 get_entry_control(const struct drm_i915_mocs_table *table, */ void intel_mocs_init_engine(struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv = engine->i915; + struct intel_gt *gt = engine->gt; + struct intel_uncore *uncore = gt->uncore; struct drm_i915_mocs_table table; unsigned int index; u32 unused_value; - if (!get_mocs_settings(dev_priv, &table)) + /* Called under a blanket forcewake */ + assert_forcewakes_active(uncore, FORCEWAKE_ALL); + + if (!get_mocs_settings(gt, &table)) return; /* Set unused values to PTE */ @@ -352,12 +358,16 @@ void intel_mocs_init_engine(struct intel_engine_cs *engine) for (index = 0; index < table.size; index++) { u32 value = get_entry_control(&table, index); - I915_WRITE(mocs_register(engine->id, index), value); + intel_uncore_write_fw(uncore, + mocs_register(engine->id, index), + value); } /* All remaining entries are also unused */ for (; index < table.n_entries; index++) - I915_WRITE(mocs_register(engine->id, index), unused_value); + intel_uncore_write_fw(uncore, + mocs_register(engine->id, index), + unused_value); } /** @@ -490,7 +500,7 @@ static int emit_mocs_l3cc_table(struct i915_request *rq, /** * intel_mocs_init_l3cc_table() - program the mocs control table - * @dev_priv: i915 device private + * @gt: the intel_gt container * * This function simply programs the mocs registers for the given table * starting at the given address. This register set is programmed in pairs. @@ -502,13 +512,14 @@ static int emit_mocs_l3cc_table(struct i915_request *rq, * * Return: Nothing. */ -void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv) +void intel_mocs_init_l3cc_table(struct intel_gt *gt) { + struct intel_uncore *uncore = gt->uncore; struct drm_i915_mocs_table table; unsigned int i; u16 unused_value; - if (!get_mocs_settings(dev_priv, &table)) + if (!get_mocs_settings(gt, &table)) return; /* Set unused values to PTE */ @@ -518,23 +529,27 @@ void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv) u16 low = get_entry_l3cc(&table, 2 * i); u16 high = get_entry_l3cc(&table, 2 * i + 1); - I915_WRITE(GEN9_LNCFCMOCS(i), - l3cc_combine(&table, low, high)); + intel_uncore_write(uncore, + GEN9_LNCFCMOCS(i), + l3cc_combine(&table, low, high)); } /* Odd table size - 1 left over */ if (table.size & 0x01) { u16 low = get_entry_l3cc(&table, 2 * i); - I915_WRITE(GEN9_LNCFCMOCS(i), - l3cc_combine(&table, low, unused_value)); + intel_uncore_write(uncore, + GEN9_LNCFCMOCS(i), + l3cc_combine(&table, low, unused_value)); i++; } /* All remaining entries are also unused */ for (; i < table.n_entries / 2; i++) - I915_WRITE(GEN9_LNCFCMOCS(i), - l3cc_combine(&table, unused_value, unused_value)); + intel_uncore_write(uncore, + GEN9_LNCFCMOCS(i), + l3cc_combine(&table, unused_value, + unused_value)); } /** @@ -553,12 +568,15 @@ void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv) * * Return: 0 on success, otherwise the error status. */ -int intel_rcs_context_init_mocs(struct i915_request *rq) +int intel_mocs_emit(struct i915_request *rq) { struct drm_i915_mocs_table t; int ret; - if (get_mocs_settings(rq->i915, &t)) { + if (rq->engine->class != RENDER_CLASS) + return 0; + + if (get_mocs_settings(rq->engine->gt, &t)) { /* Program the RCS control registers */ ret = emit_mocs_control_table(rq, &t); if (ret) diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.h b/drivers/gpu/drm/i915/gt/intel_mocs.h index 0913704a1af2..a334db2d6d6b 100644 --- a/drivers/gpu/drm/i915/gt/intel_mocs.h +++ b/drivers/gpu/drm/i915/gt/intel_mocs.h @@ -52,9 +52,11 @@ struct drm_i915_private; struct i915_request; struct intel_engine_cs; +struct intel_gt; -int intel_rcs_context_init_mocs(struct i915_request *rq); -void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv); +void intel_mocs_init_l3cc_table(struct intel_gt *gt); void intel_mocs_init_engine(struct intel_engine_cs *engine); +int intel_mocs_emit(struct i915_request *rq); + #endif diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/gt/intel_renderstate.c index 4ee032072d4f..be37d4501c67 100644 --- a/drivers/gpu/drm/i915/i915_gem_render_state.c +++ b/drivers/gpu/drm/i915/gt/intel_renderstate.c @@ -26,10 +26,9 @@ */ #include "i915_drv.h" -#include "i915_gem_render_state.h" #include "intel_renderstate.h" -struct intel_render_state { +struct intel_renderstate { const struct intel_renderstate_rodata *rodata; struct drm_i915_gem_object *obj; struct i915_vma *vma; @@ -42,7 +41,7 @@ struct intel_render_state { static const struct intel_renderstate_rodata * render_state_get_rodata(const struct intel_engine_cs *engine) { - if (engine->id != RCS0) + if (engine->class != RENDER_CLASS) return NULL; switch (INTEL_GEN(engine->i915)) { @@ -75,7 +74,7 @@ render_state_get_rodata(const struct intel_engine_cs *engine) (batch)[(i)++] = (val); \ } while(0) -static int render_state_setup(struct intel_render_state *so, +static int render_state_setup(struct intel_renderstate *so, struct drm_i915_private *i915) { const struct intel_renderstate_rodata *rodata = so->rodata; @@ -177,10 +176,10 @@ err: #undef OUT_BATCH -int i915_gem_render_state_emit(struct i915_request *rq) +int intel_renderstate_emit(struct i915_request *rq) { struct intel_engine_cs *engine = rq->engine; - struct intel_render_state so = {}; /* keep the compiler happy */ + struct intel_renderstate so = {}; /* keep the compiler happy */ int err; so.rodata = render_state_get_rodata(engine); @@ -194,7 +193,7 @@ int i915_gem_render_state_emit(struct i915_request *rq) if (IS_ERR(so.obj)) return PTR_ERR(so.obj); - so.vma = i915_vma_instance(so.obj, &engine->i915->ggtt.vm, NULL); + so.vma = i915_vma_instance(so.obj, &engine->gt->ggtt->vm, NULL); if (IS_ERR(so.vma)) { err = PTR_ERR(so.vma); goto err_obj; diff --git a/drivers/gpu/drm/i915/intel_renderstate.h b/drivers/gpu/drm/i915/gt/intel_renderstate.h index 08f6fea05a2c..8d5079145054 100644 --- a/drivers/gpu/drm/i915/intel_renderstate.h +++ b/drivers/gpu/drm/i915/gt/intel_renderstate.h @@ -21,11 +21,13 @@ * DEALINGS IN THE SOFTWARE. */ -#ifndef _INTEL_RENDERSTATE_H -#define _INTEL_RENDERSTATE_H +#ifndef _INTEL_RENDERSTATE_H_ +#define _INTEL_RENDERSTATE_H_ #include <linux/types.h> +struct i915_request; + struct intel_renderstate_rodata { const u32 *reloc; const u32 *batch; @@ -44,4 +46,6 @@ extern const struct intel_renderstate_rodata gen7_null_state; extern const struct intel_renderstate_rodata gen8_null_state; extern const struct intel_renderstate_rodata gen9_null_state; -#endif /* INTEL_RENDERSTATE_H */ +int intel_renderstate_emit(struct i915_request *rq); + +#endif /* _INTEL_RENDERSTATE_H_ */ diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index 3f907701ef4d..98c071fe532b 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -15,26 +15,17 @@ #include "i915_gpu_error.h" #include "i915_irq.h" #include "intel_engine_pm.h" +#include "intel_gt.h" #include "intel_gt_pm.h" #include "intel_reset.h" -#include "intel_guc.h" +#include "uc/intel_guc.h" #define RESET_MAX_RETRIES 3 /* XXX How to handle concurrent GGTT updates using tiling registers? */ #define RESET_UNDER_STOP_MACHINE 0 -static void rmw_set(struct intel_uncore *uncore, i915_reg_t reg, u32 set) -{ - intel_uncore_rmw(uncore, reg, 0, set); -} - -static void rmw_clear(struct intel_uncore *uncore, i915_reg_t reg, u32 clr) -{ - intel_uncore_rmw(uncore, reg, clr, 0); -} - static void rmw_set_fw(struct intel_uncore *uncore, i915_reg_t reg, u32 set) { intel_uncore_rmw_fw(uncore, reg, 0, set); @@ -123,7 +114,7 @@ static void context_mark_innocent(struct i915_gem_context *ctx) atomic_inc(&ctx->active_count); } -void i915_reset_request(struct i915_request *rq, bool guilty) +void __i915_request_reset(struct i915_request *rq, bool guilty) { GEM_TRACE("%s rq=%llx:%lld, guilty? %s\n", rq->engine->name, @@ -144,48 +135,6 @@ void i915_reset_request(struct i915_request *rq, bool guilty) } } -static void gen3_stop_engine(struct intel_engine_cs *engine) -{ - struct intel_uncore *uncore = engine->uncore; - const u32 base = engine->mmio_base; - - GEM_TRACE("%s\n", engine->name); - - if (intel_engine_stop_cs(engine)) - GEM_TRACE("%s: timed out on STOP_RING\n", engine->name); - - intel_uncore_write_fw(uncore, - RING_HEAD(base), - intel_uncore_read_fw(uncore, RING_TAIL(base))); - intel_uncore_posting_read_fw(uncore, RING_HEAD(base)); /* paranoia */ - - intel_uncore_write_fw(uncore, RING_HEAD(base), 0); - intel_uncore_write_fw(uncore, RING_TAIL(base), 0); - intel_uncore_posting_read_fw(uncore, RING_TAIL(base)); - - /* The ring must be empty before it is disabled */ - intel_uncore_write_fw(uncore, RING_CTL(base), 0); - - /* Check acts as a post */ - if (intel_uncore_read_fw(uncore, RING_HEAD(base))) - GEM_TRACE("%s: ring head [%x] not parked\n", - engine->name, - intel_uncore_read_fw(uncore, RING_HEAD(base))); -} - -static void i915_stop_engines(struct drm_i915_private *i915, - intel_engine_mask_t engine_mask) -{ - struct intel_engine_cs *engine; - intel_engine_mask_t tmp; - - if (INTEL_GEN(i915) < 3) - return; - - for_each_engine_masked(engine, i915, engine_mask, tmp) - gen3_stop_engine(engine); -} - static bool i915_in_reset(struct pci_dev *pdev) { u8 gdrst; @@ -194,11 +143,11 @@ static bool i915_in_reset(struct pci_dev *pdev) return gdrst & GRDOM_RESET_STATUS; } -static int i915_do_reset(struct drm_i915_private *i915, +static int i915_do_reset(struct intel_gt *gt, intel_engine_mask_t engine_mask, unsigned int retry) { - struct pci_dev *pdev = i915->drm.pdev; + struct pci_dev *pdev = gt->i915->drm.pdev; int err; /* Assert reset for at least 20 usec, and wait for acknowledgement. */ @@ -223,22 +172,22 @@ static bool g4x_reset_complete(struct pci_dev *pdev) return (gdrst & GRDOM_RESET_ENABLE) == 0; } -static int g33_do_reset(struct drm_i915_private *i915, +static int g33_do_reset(struct intel_gt *gt, intel_engine_mask_t engine_mask, unsigned int retry) { - struct pci_dev *pdev = i915->drm.pdev; + struct pci_dev *pdev = gt->i915->drm.pdev; pci_write_config_byte(pdev, I915_GDRST, GRDOM_RESET_ENABLE); return wait_for_atomic(g4x_reset_complete(pdev), 50); } -static int g4x_do_reset(struct drm_i915_private *i915, +static int g4x_do_reset(struct intel_gt *gt, intel_engine_mask_t engine_mask, unsigned int retry) { - struct pci_dev *pdev = i915->drm.pdev; - struct intel_uncore *uncore = &i915->uncore; + struct pci_dev *pdev = gt->i915->drm.pdev; + struct intel_uncore *uncore = gt->uncore; int ret; /* WaVcpClkGateDisableForMediaReset:ctg,elk */ @@ -270,11 +219,11 @@ out: return ret; } -static int ironlake_do_reset(struct drm_i915_private *i915, +static int ironlake_do_reset(struct intel_gt *gt, intel_engine_mask_t engine_mask, unsigned int retry) { - struct intel_uncore *uncore = &i915->uncore; + struct intel_uncore *uncore = gt->uncore; int ret; intel_uncore_write_fw(uncore, ILK_GDSR, @@ -306,10 +255,9 @@ out: } /* Reset the hardware domains (GENX_GRDOM_*) specified by mask */ -static int gen6_hw_domain_reset(struct drm_i915_private *i915, - u32 hw_domain_mask) +static int gen6_hw_domain_reset(struct intel_gt *gt, u32 hw_domain_mask) { - struct intel_uncore *uncore = &i915->uncore; + struct intel_uncore *uncore = gt->uncore; int err; /* @@ -331,7 +279,7 @@ static int gen6_hw_domain_reset(struct drm_i915_private *i915, return err; } -static int gen6_reset_engines(struct drm_i915_private *i915, +static int gen6_reset_engines(struct intel_gt *gt, intel_engine_mask_t engine_mask, unsigned int retry) { @@ -351,13 +299,13 @@ static int gen6_reset_engines(struct drm_i915_private *i915, intel_engine_mask_t tmp; hw_mask = 0; - for_each_engine_masked(engine, i915, engine_mask, tmp) { + for_each_engine_masked(engine, gt->i915, engine_mask, tmp) { GEM_BUG_ON(engine->id >= ARRAY_SIZE(hw_engine_mask)); hw_mask |= hw_engine_mask[engine->id]; } } - return gen6_hw_domain_reset(i915, hw_mask); + return gen6_hw_domain_reset(gt, hw_mask); } static u32 gen11_lock_sfc(struct intel_engine_cs *engine) @@ -455,7 +403,7 @@ static void gen11_unlock_sfc(struct intel_engine_cs *engine) rmw_clear_fw(uncore, sfc_forced_lock, sfc_forced_lock_bit); } -static int gen11_reset_engines(struct drm_i915_private *i915, +static int gen11_reset_engines(struct intel_gt *gt, intel_engine_mask_t engine_mask, unsigned int retry) { @@ -478,17 +426,17 @@ static int gen11_reset_engines(struct drm_i915_private *i915, hw_mask = GEN11_GRDOM_FULL; } else { hw_mask = 0; - for_each_engine_masked(engine, i915, engine_mask, tmp) { + for_each_engine_masked(engine, gt->i915, engine_mask, tmp) { GEM_BUG_ON(engine->id >= ARRAY_SIZE(hw_engine_mask)); hw_mask |= hw_engine_mask[engine->id]; hw_mask |= gen11_lock_sfc(engine); } } - ret = gen6_hw_domain_reset(i915, hw_mask); + ret = gen6_hw_domain_reset(gt, hw_mask); if (engine_mask != ALL_ENGINES) - for_each_engine_masked(engine, i915, engine_mask, tmp) + for_each_engine_masked(engine, gt->i915, engine_mask, tmp) gen11_unlock_sfc(engine); return ret; @@ -538,7 +486,7 @@ static void gen8_engine_reset_cancel(struct intel_engine_cs *engine) _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET)); } -static int gen8_reset_engines(struct drm_i915_private *i915, +static int gen8_reset_engines(struct intel_gt *gt, intel_engine_mask_t engine_mask, unsigned int retry) { @@ -547,7 +495,7 @@ static int gen8_reset_engines(struct drm_i915_private *i915, intel_engine_mask_t tmp; int ret; - for_each_engine_masked(engine, i915, engine_mask, tmp) { + for_each_engine_masked(engine, gt->i915, engine_mask, tmp) { ret = gen8_engine_reset_prepare(engine); if (ret && !reset_non_ready) goto skip_reset; @@ -563,23 +511,23 @@ static int gen8_reset_engines(struct drm_i915_private *i915, * We rather take context corruption instead of * failed reset with a wedged driver/gpu. And * active bb execution case should be covered by - * i915_stop_engines we have before the reset. + * stop_engines() we have before the reset. */ } - if (INTEL_GEN(i915) >= 11) - ret = gen11_reset_engines(i915, engine_mask, retry); + if (INTEL_GEN(gt->i915) >= 11) + ret = gen11_reset_engines(gt, engine_mask, retry); else - ret = gen6_reset_engines(i915, engine_mask, retry); + ret = gen6_reset_engines(gt, engine_mask, retry); skip_reset: - for_each_engine_masked(engine, i915, engine_mask, tmp) + for_each_engine_masked(engine, gt->i915, engine_mask, tmp) gen8_engine_reset_cancel(engine); return ret; } -typedef int (*reset_func)(struct drm_i915_private *, +typedef int (*reset_func)(struct intel_gt *, intel_engine_mask_t engine_mask, unsigned int retry); @@ -601,15 +549,14 @@ static reset_func intel_get_gpu_reset(struct drm_i915_private *i915) return NULL; } -int intel_gpu_reset(struct drm_i915_private *i915, - intel_engine_mask_t engine_mask) +int __intel_gt_reset(struct intel_gt *gt, intel_engine_mask_t engine_mask) { const int retries = engine_mask == ALL_ENGINES ? RESET_MAX_RETRIES : 1; reset_func reset; int ret = -ETIMEDOUT; int retry; - reset = intel_get_gpu_reset(i915); + reset = intel_get_gpu_reset(gt->i915); if (!reset) return -ENODEV; @@ -617,31 +564,14 @@ int intel_gpu_reset(struct drm_i915_private *i915, * If the power well sleeps during the reset, the reset * request may be dropped and never completes (causing -EIO). */ - intel_uncore_forcewake_get(&i915->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_ALL); for (retry = 0; ret == -ETIMEDOUT && retry < retries; retry++) { - /* - * We stop engines, otherwise we might get failed reset and a - * dead gpu (on elk). Also as modern gpu as kbl can suffer - * from system hang if batchbuffer is progressing when - * the reset is issued, regardless of READY_TO_RESET ack. - * Thus assume it is best to stop engines on all gens - * where we have a gpu reset. - * - * WaKBLVECSSemaphoreWaitPoll:kbl (on ALL_ENGINES) - * - * WaMediaResetMainRingCleanup:ctg,elk (presumably) - * - * FIXME: Wa for more modern gens needs to be validated - */ - if (retry) - i915_stop_engines(i915, engine_mask); - GEM_TRACE("engine_mask=%x\n", engine_mask); preempt_disable(); - ret = reset(i915, engine_mask, retry); + ret = reset(gt, engine_mask, retry); preempt_enable(); } - intel_uncore_forcewake_put(&i915->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_put(gt->uncore, FORCEWAKE_ALL); return ret; } @@ -659,17 +589,17 @@ bool intel_has_reset_engine(struct drm_i915_private *i915) return INTEL_INFO(i915)->has_reset_engine && i915_modparams.reset >= 2; } -int intel_reset_guc(struct drm_i915_private *i915) +int intel_reset_guc(struct intel_gt *gt) { u32 guc_domain = - INTEL_GEN(i915) >= 11 ? GEN11_GRDOM_GUC : GEN9_GRDOM_GUC; + INTEL_GEN(gt->i915) >= 11 ? GEN11_GRDOM_GUC : GEN9_GRDOM_GUC; int ret; - GEM_BUG_ON(!HAS_GUC(i915)); + GEM_BUG_ON(!HAS_GT_UC(gt->i915)); - intel_uncore_forcewake_get(&i915->uncore, FORCEWAKE_ALL); - ret = gen6_hw_domain_reset(i915, guc_domain); - intel_uncore_forcewake_put(&i915->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_ALL); + ret = gen6_hw_domain_reset(gt, guc_domain); + intel_uncore_forcewake_put(gt->uncore, FORCEWAKE_ALL); return ret; } @@ -691,56 +621,55 @@ static void reset_prepare_engine(struct intel_engine_cs *engine) engine->reset.prepare(engine); } -static void revoke_mmaps(struct drm_i915_private *i915) +static void revoke_mmaps(struct intel_gt *gt) { int i; - for (i = 0; i < i915->ggtt.num_fences; i++) { + for (i = 0; i < gt->ggtt->num_fences; i++) { struct drm_vma_offset_node *node; struct i915_vma *vma; u64 vma_offset; - vma = READ_ONCE(i915->ggtt.fence_regs[i].vma); + vma = READ_ONCE(gt->ggtt->fence_regs[i].vma); if (!vma) continue; if (!i915_vma_has_userfault(vma)) continue; - GEM_BUG_ON(vma->fence != &i915->ggtt.fence_regs[i]); + GEM_BUG_ON(vma->fence != >->ggtt->fence_regs[i]); node = &vma->obj->base.vma_node; vma_offset = vma->ggtt_view.partial.offset << PAGE_SHIFT; - unmap_mapping_range(i915->drm.anon_inode->i_mapping, + unmap_mapping_range(gt->i915->drm.anon_inode->i_mapping, drm_vma_node_offset_addr(node) + vma_offset, vma->size, 1); } } -static intel_engine_mask_t reset_prepare(struct drm_i915_private *i915) +static intel_engine_mask_t reset_prepare(struct intel_gt *gt) { struct intel_engine_cs *engine; intel_engine_mask_t awake = 0; enum intel_engine_id id; - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { if (intel_engine_pm_get_if_awake(engine)) awake |= engine->mask; reset_prepare_engine(engine); } - intel_uc_reset_prepare(i915); + intel_uc_reset_prepare(>->uc); return awake; } -static void gt_revoke(struct drm_i915_private *i915) +static void gt_revoke(struct intel_gt *gt) { - revoke_mmaps(i915); + revoke_mmaps(gt); } -static int gt_reset(struct drm_i915_private *i915, - intel_engine_mask_t stalled_mask) +static int gt_reset(struct intel_gt *gt, intel_engine_mask_t stalled_mask) { struct intel_engine_cs *engine; enum intel_engine_id id; @@ -750,14 +679,14 @@ static int gt_reset(struct drm_i915_private *i915, * Everything depends on having the GTT running, so we need to start * there. */ - err = i915_ggtt_enable_hw(i915); + err = i915_ggtt_enable_hw(gt->i915); if (err) return err; - for_each_engine(engine, i915, id) - intel_engine_reset(engine, stalled_mask & engine->mask); + for_each_engine(engine, gt->i915, id) + __intel_engine_reset(engine, stalled_mask & engine->mask); - i915_gem_restore_fences(i915); + i915_gem_restore_fences(gt->i915); return err; } @@ -770,13 +699,12 @@ static void reset_finish_engine(struct intel_engine_cs *engine) intel_engine_signal_breadcrumbs(engine); } -static void reset_finish(struct drm_i915_private *i915, - intel_engine_mask_t awake) +static void reset_finish(struct intel_gt *gt, intel_engine_mask_t awake) { struct intel_engine_cs *engine; enum intel_engine_id id; - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { reset_finish_engine(engine); if (awake & engine->mask) intel_engine_pm_put(engine); @@ -800,20 +728,19 @@ static void nop_submit_request(struct i915_request *request) intel_engine_queue_breadcrumbs(engine); } -static void __i915_gem_set_wedged(struct drm_i915_private *i915) +static void __intel_gt_set_wedged(struct intel_gt *gt) { - struct i915_gpu_error *error = &i915->gpu_error; struct intel_engine_cs *engine; intel_engine_mask_t awake; enum intel_engine_id id; - if (test_bit(I915_WEDGED, &error->flags)) + if (test_bit(I915_WEDGED, >->reset.flags)) return; - if (GEM_SHOW_DEBUG() && !intel_engines_are_idle(i915)) { + if (GEM_SHOW_DEBUG() && !intel_engines_are_idle(gt)) { struct drm_printer p = drm_debug_printer(__func__); - for_each_engine(engine, i915, id) + for_each_engine(engine, gt->i915, id) intel_engine_dump(engine, &p, "%s\n", engine->name); } @@ -824,17 +751,17 @@ static void __i915_gem_set_wedged(struct drm_i915_private *i915) * rolling the global seqno forward (since this would complete requests * for which we haven't set the fence error to EIO yet). */ - awake = reset_prepare(i915); + awake = reset_prepare(gt); /* Even if the GPU reset fails, it should still stop the engines */ - if (!INTEL_INFO(i915)->gpu_reset_clobbers_display) - intel_gpu_reset(i915, ALL_ENGINES); + if (!INTEL_INFO(gt->i915)->gpu_reset_clobbers_display) + __intel_gt_reset(gt, ALL_ENGINES); - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { engine->submit_request = nop_submit_request; engine->schedule = NULL; } - i915->caps.scheduler = 0; + gt->i915->caps.scheduler = 0; /* * Make sure no request can slip through without getting completed by @@ -842,37 +769,36 @@ static void __i915_gem_set_wedged(struct drm_i915_private *i915) * in nop_submit_request. */ synchronize_rcu_expedited(); - set_bit(I915_WEDGED, &error->flags); + set_bit(I915_WEDGED, >->reset.flags); /* Mark all executing requests as skipped */ - for_each_engine(engine, i915, id) + for_each_engine(engine, gt->i915, id) engine->cancel_requests(engine); - reset_finish(i915, awake); + reset_finish(gt, awake); GEM_TRACE("end\n"); } -void i915_gem_set_wedged(struct drm_i915_private *i915) +void intel_gt_set_wedged(struct intel_gt *gt) { - struct i915_gpu_error *error = &i915->gpu_error; intel_wakeref_t wakeref; - mutex_lock(&error->wedge_mutex); - with_intel_runtime_pm(&i915->runtime_pm, wakeref) - __i915_gem_set_wedged(i915); - mutex_unlock(&error->wedge_mutex); + mutex_lock(>->reset.mutex); + with_intel_runtime_pm(>->i915->runtime_pm, wakeref) + __intel_gt_set_wedged(gt); + mutex_unlock(>->reset.mutex); } -static bool __i915_gem_unset_wedged(struct drm_i915_private *i915) +static bool __intel_gt_unset_wedged(struct intel_gt *gt) { - struct i915_gpu_error *error = &i915->gpu_error; - struct i915_timeline *tl; + struct intel_gt_timelines *timelines = >->timelines; + struct intel_timeline *tl; - if (!test_bit(I915_WEDGED, &error->flags)) + if (!test_bit(I915_WEDGED, >->reset.flags)) return true; - if (!i915->gt.scratch) /* Never full initialised, recovery impossible */ + if (!gt->scratch) /* Never full initialised, recovery impossible */ return false; GEM_TRACE("start\n"); @@ -887,8 +813,8 @@ static bool __i915_gem_unset_wedged(struct drm_i915_private *i915) * * No more can be submitted until we reset the wedged bit. */ - mutex_lock(&i915->gt.timelines.mutex); - list_for_each_entry(tl, &i915->gt.timelines.active_list, link) { + mutex_lock(&timelines->mutex); + list_for_each_entry(tl, &timelines->active_list, link) { struct i915_request *rq; rq = i915_active_request_get_unlocked(&tl->last_request); @@ -905,9 +831,9 @@ static bool __i915_gem_unset_wedged(struct drm_i915_private *i915) dma_fence_default_wait(&rq->fence, false, MAX_SCHEDULE_TIMEOUT); i915_request_put(rq); } - mutex_unlock(&i915->gt.timelines.mutex); + mutex_unlock(&timelines->mutex); - intel_gt_sanitize(i915, false); + intel_gt_sanitize(gt, false); /* * Undo nop_submit_request. We prevent all new i915 requests from @@ -918,53 +844,51 @@ static bool __i915_gem_unset_wedged(struct drm_i915_private *i915) * the nop_submit_request on reset, we can do this from normal * context and do not require stop_machine(). */ - intel_engines_reset_default_submission(i915); + intel_engines_reset_default_submission(gt); GEM_TRACE("end\n"); smp_mb__before_atomic(); /* complete takeover before enabling execbuf */ - clear_bit(I915_WEDGED, &i915->gpu_error.flags); + clear_bit(I915_WEDGED, >->reset.flags); return true; } -bool i915_gem_unset_wedged(struct drm_i915_private *i915) +bool intel_gt_unset_wedged(struct intel_gt *gt) { - struct i915_gpu_error *error = &i915->gpu_error; bool result; - mutex_lock(&error->wedge_mutex); - result = __i915_gem_unset_wedged(i915); - mutex_unlock(&error->wedge_mutex); + mutex_lock(>->reset.mutex); + result = __intel_gt_unset_wedged(gt); + mutex_unlock(>->reset.mutex); return result; } -static int do_reset(struct drm_i915_private *i915, - intel_engine_mask_t stalled_mask) +static int do_reset(struct intel_gt *gt, intel_engine_mask_t stalled_mask) { int err, i; - gt_revoke(i915); + gt_revoke(gt); - err = intel_gpu_reset(i915, ALL_ENGINES); + err = __intel_gt_reset(gt, ALL_ENGINES); for (i = 0; err && i < RESET_MAX_RETRIES; i++) { msleep(10 * (i + 1)); - err = intel_gpu_reset(i915, ALL_ENGINES); + err = __intel_gt_reset(gt, ALL_ENGINES); } if (err) return err; - return gt_reset(i915, stalled_mask); + return gt_reset(gt, stalled_mask); } -static int resume(struct drm_i915_private *i915) +static int resume(struct intel_gt *gt) { struct intel_engine_cs *engine; enum intel_engine_id id; int ret; - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { ret = engine->resume(engine); if (ret) return ret; @@ -974,8 +898,8 @@ static int resume(struct drm_i915_private *i915) } /** - * i915_reset - reset chip after a hang - * @i915: #drm_i915_private to reset + * intel_gt_reset - reset chip after a hang + * @gt: #intel_gt to reset * @stalled_mask: mask of the stalled engines with the guilty requests * @reason: user error message for why we are resetting * @@ -990,50 +914,50 @@ static int resume(struct drm_i915_private *i915) * - re-init interrupt state * - re-init display */ -void i915_reset(struct drm_i915_private *i915, - intel_engine_mask_t stalled_mask, - const char *reason) +void intel_gt_reset(struct intel_gt *gt, + intel_engine_mask_t stalled_mask, + const char *reason) { - struct i915_gpu_error *error = &i915->gpu_error; intel_engine_mask_t awake; int ret; - GEM_TRACE("flags=%lx\n", error->flags); + GEM_TRACE("flags=%lx\n", gt->reset.flags); might_sleep(); - GEM_BUG_ON(!test_bit(I915_RESET_BACKOFF, &error->flags)); - mutex_lock(&error->wedge_mutex); + GEM_BUG_ON(!test_bit(I915_RESET_BACKOFF, >->reset.flags)); + mutex_lock(>->reset.mutex); /* Clear any previous failed attempts at recovery. Time to try again. */ - if (!__i915_gem_unset_wedged(i915)) + if (!__intel_gt_unset_wedged(gt)) goto unlock; if (reason) - dev_notice(i915->drm.dev, "Resetting chip for %s\n", reason); - error->reset_count++; + dev_notice(gt->i915->drm.dev, + "Resetting chip for %s\n", reason); + atomic_inc(>->i915->gpu_error.reset_count); - awake = reset_prepare(i915); + awake = reset_prepare(gt); - if (!intel_has_gpu_reset(i915)) { + if (!intel_has_gpu_reset(gt->i915)) { if (i915_modparams.reset) - dev_err(i915->drm.dev, "GPU reset not supported\n"); + dev_err(gt->i915->drm.dev, "GPU reset not supported\n"); else DRM_DEBUG_DRIVER("GPU reset disabled\n"); goto error; } - if (INTEL_INFO(i915)->gpu_reset_clobbers_display) - intel_runtime_pm_disable_interrupts(i915); + if (INTEL_INFO(gt->i915)->gpu_reset_clobbers_display) + intel_runtime_pm_disable_interrupts(gt->i915); - if (do_reset(i915, stalled_mask)) { - dev_err(i915->drm.dev, "Failed to reset chip\n"); + if (do_reset(gt, stalled_mask)) { + dev_err(gt->i915->drm.dev, "Failed to reset chip\n"); goto taint; } - if (INTEL_INFO(i915)->gpu_reset_clobbers_display) - intel_runtime_pm_enable_interrupts(i915); + if (INTEL_INFO(gt->i915)->gpu_reset_clobbers_display) + intel_runtime_pm_enable_interrupts(gt->i915); - intel_overlay_reset(i915); + intel_overlay_reset(gt->i915); /* * Next we need to restore the context, but we don't use those @@ -1043,23 +967,23 @@ void i915_reset(struct drm_i915_private *i915, * was running at the time of the reset (i.e. we weren't VT * switched away). */ - ret = i915_gem_init_hw(i915); + ret = i915_gem_init_hw(gt->i915); if (ret) { DRM_ERROR("Failed to initialise HW following reset (%d)\n", ret); goto taint; } - ret = resume(i915); + ret = resume(gt); if (ret) goto taint; - i915_queue_hangcheck(i915); + intel_gt_queue_hangcheck(gt); finish: - reset_finish(i915, awake); + reset_finish(gt, awake); unlock: - mutex_unlock(&error->wedge_mutex); + mutex_unlock(>->reset.mutex); return; taint: @@ -1077,18 +1001,17 @@ taint: */ add_taint_for_CI(TAINT_WARN); error: - __i915_gem_set_wedged(i915); + __intel_gt_set_wedged(gt); goto finish; } -static inline int intel_gt_reset_engine(struct drm_i915_private *i915, - struct intel_engine_cs *engine) +static inline int intel_gt_reset_engine(struct intel_engine_cs *engine) { - return intel_gpu_reset(i915, engine->mask); + return __intel_gt_reset(engine->gt, engine->mask); } /** - * i915_reset_engine - reset GPU engine to recover from a hang + * intel_engine_reset - reset GPU engine to recover from a hang * @engine: engine to reset * @msg: reason for GPU reset; or NULL for no dev_notice() * @@ -1100,13 +1023,13 @@ static inline int intel_gt_reset_engine(struct drm_i915_private *i915, * - reset engine (which will force the engine to idle) * - re-init/configure engine */ -int i915_reset_engine(struct intel_engine_cs *engine, const char *msg) +int intel_engine_reset(struct intel_engine_cs *engine, const char *msg) { - struct i915_gpu_error *error = &engine->i915->gpu_error; + struct intel_gt *gt = engine->gt; int ret; - GEM_TRACE("%s flags=%lx\n", engine->name, error->flags); - GEM_BUG_ON(!test_bit(I915_RESET_ENGINE + engine->id, &error->flags)); + GEM_TRACE("%s flags=%lx\n", engine->name, gt->reset.flags); + GEM_BUG_ON(!test_bit(I915_RESET_ENGINE + engine->id, >->reset.flags)); if (!intel_engine_pm_get_if_awake(engine)) return 0; @@ -1116,16 +1039,16 @@ int i915_reset_engine(struct intel_engine_cs *engine, const char *msg) if (msg) dev_notice(engine->i915->drm.dev, "Resetting %s for %s\n", engine->name, msg); - error->reset_engine_count[engine->id]++; + atomic_inc(&engine->i915->gpu_error.reset_engine_count[engine->uabi_class]); - if (!engine->i915->guc.execbuf_client) - ret = intel_gt_reset_engine(engine->i915, engine); + if (!engine->gt->uc.guc.execbuf_client) + ret = intel_gt_reset_engine(engine); else - ret = intel_guc_reset_engine(&engine->i915->guc, engine); + ret = intel_guc_reset_engine(&engine->gt->uc.guc, engine); if (ret) { /* If we fail here, we expect to fallback to a global reset */ DRM_DEBUG_DRIVER("%sFailed to reset %s, ret=%d\n", - engine->i915->guc.execbuf_client ? "GuC " : "", + engine->gt->uc.guc.execbuf_client ? "GuC " : "", engine->name, ret); goto out; } @@ -1135,7 +1058,7 @@ int i915_reset_engine(struct intel_engine_cs *engine, const char *msg) * active request and can drop it, adjust head to skip the offending * request to resume executing remaining requests in the queue. */ - intel_engine_reset(engine, true); + __intel_engine_reset(engine, true); /* * The engine and its registers (and workarounds in case of render) @@ -1151,16 +1074,15 @@ out: return ret; } -static void i915_reset_device(struct drm_i915_private *i915, - u32 engine_mask, - const char *reason) +static void intel_gt_reset_global(struct intel_gt *gt, + u32 engine_mask, + const char *reason) { - struct i915_gpu_error *error = &i915->gpu_error; - struct kobject *kobj = &i915->drm.primary->kdev->kobj; + struct kobject *kobj = >->i915->drm.primary->kdev->kobj; char *error_event[] = { I915_ERROR_UEVENT "=1", NULL }; char *reset_event[] = { I915_RESET_UEVENT "=1", NULL }; char *reset_done_event[] = { I915_ERROR_UEVENT "=0", NULL }; - struct i915_wedge_me w; + struct intel_wedge_me w; kobject_uevent_env(kobj, KOBJ_CHANGE, error_event); @@ -1168,137 +1090,24 @@ static void i915_reset_device(struct drm_i915_private *i915, kobject_uevent_env(kobj, KOBJ_CHANGE, reset_event); /* Use a watchdog to ensure that our reset completes */ - i915_wedge_on_timeout(&w, i915, 5 * HZ) { - intel_prepare_reset(i915); + intel_wedge_on_timeout(&w, gt, 5 * HZ) { + intel_prepare_reset(gt->i915); /* Flush everyone using a resource about to be clobbered */ - synchronize_srcu_expedited(&error->reset_backoff_srcu); + synchronize_srcu_expedited(>->reset.backoff_srcu); - i915_reset(i915, engine_mask, reason); + intel_gt_reset(gt, engine_mask, reason); - intel_finish_reset(i915); + intel_finish_reset(gt->i915); } - if (!test_bit(I915_WEDGED, &error->flags)) + if (!test_bit(I915_WEDGED, >->reset.flags)) kobject_uevent_env(kobj, KOBJ_CHANGE, reset_done_event); } -static void clear_register(struct intel_uncore *uncore, i915_reg_t reg) -{ - intel_uncore_rmw(uncore, reg, 0, 0); -} - -static void gen8_clear_engine_error_register(struct intel_engine_cs *engine) -{ - GEN6_RING_FAULT_REG_RMW(engine, RING_FAULT_VALID, 0); - GEN6_RING_FAULT_REG_POSTING_READ(engine); -} - -static void clear_error_registers(struct drm_i915_private *i915, - intel_engine_mask_t engine_mask) -{ - struct intel_uncore *uncore = &i915->uncore; - u32 eir; - - if (!IS_GEN(i915, 2)) - clear_register(uncore, PGTBL_ER); - - if (INTEL_GEN(i915) < 4) - clear_register(uncore, IPEIR(RENDER_RING_BASE)); - else - clear_register(uncore, IPEIR_I965); - - clear_register(uncore, EIR); - eir = intel_uncore_read(uncore, EIR); - if (eir) { - /* - * some errors might have become stuck, - * mask them. - */ - DRM_DEBUG_DRIVER("EIR stuck: 0x%08x, masking\n", eir); - rmw_set(uncore, EMR, eir); - intel_uncore_write(uncore, GEN2_IIR, - I915_MASTER_ERROR_INTERRUPT); - } - - if (INTEL_GEN(i915) >= 8) { - rmw_clear(uncore, GEN8_RING_FAULT_REG, RING_FAULT_VALID); - intel_uncore_posting_read(uncore, GEN8_RING_FAULT_REG); - } else if (INTEL_GEN(i915) >= 6) { - struct intel_engine_cs *engine; - enum intel_engine_id id; - - for_each_engine_masked(engine, i915, engine_mask, id) - gen8_clear_engine_error_register(engine); - } -} - -static void gen6_check_faults(struct drm_i915_private *dev_priv) -{ - struct intel_engine_cs *engine; - enum intel_engine_id id; - u32 fault; - - for_each_engine(engine, dev_priv, id) { - fault = GEN6_RING_FAULT_REG_READ(engine); - if (fault & RING_FAULT_VALID) { - DRM_DEBUG_DRIVER("Unexpected fault\n" - "\tAddr: 0x%08lx\n" - "\tAddress space: %s\n" - "\tSource ID: %d\n" - "\tType: %d\n", - fault & PAGE_MASK, - fault & RING_FAULT_GTTSEL_MASK ? "GGTT" : "PPGTT", - RING_FAULT_SRCID(fault), - RING_FAULT_FAULT_TYPE(fault)); - } - } -} - -static void gen8_check_faults(struct drm_i915_private *dev_priv) -{ - u32 fault = I915_READ(GEN8_RING_FAULT_REG); - - if (fault & RING_FAULT_VALID) { - u32 fault_data0, fault_data1; - u64 fault_addr; - - fault_data0 = I915_READ(GEN8_FAULT_TLB_DATA0); - fault_data1 = I915_READ(GEN8_FAULT_TLB_DATA1); - fault_addr = ((u64)(fault_data1 & FAULT_VA_HIGH_BITS) << 44) | - ((u64)fault_data0 << 12); - - DRM_DEBUG_DRIVER("Unexpected fault\n" - "\tAddr: 0x%08x_%08x\n" - "\tAddress space: %s\n" - "\tEngine ID: %d\n" - "\tSource ID: %d\n" - "\tType: %d\n", - upper_32_bits(fault_addr), - lower_32_bits(fault_addr), - fault_data1 & FAULT_GTT_SEL ? "GGTT" : "PPGTT", - GEN8_RING_FAULT_ENGINE_ID(fault), - RING_FAULT_SRCID(fault), - RING_FAULT_FAULT_TYPE(fault)); - } -} - -void i915_check_and_clear_faults(struct drm_i915_private *i915) -{ - /* From GEN8 onwards we only have one 'All Engine Fault Register' */ - if (INTEL_GEN(i915) >= 8) - gen8_check_faults(i915); - else if (INTEL_GEN(i915) >= 6) - gen6_check_faults(i915); - else - return; - - clear_error_registers(i915, ALL_ENGINES); -} - /** - * i915_handle_error - handle a gpu error - * @i915: i915 device private + * intel_gt_handle_error - handle a gpu error + * @gt: the intel_gt * @engine_mask: mask representing engines that are hung * @flags: control flags * @fmt: Error message format string @@ -1309,12 +1118,11 @@ void i915_check_and_clear_faults(struct drm_i915_private *i915) * so userspace knows something bad happened (should trigger collection * of a ring dump etc.). */ -void i915_handle_error(struct drm_i915_private *i915, - intel_engine_mask_t engine_mask, - unsigned long flags, - const char *fmt, ...) +void intel_gt_handle_error(struct intel_gt *gt, + intel_engine_mask_t engine_mask, + unsigned long flags, + const char *fmt, ...) { - struct i915_gpu_error *error = &i915->gpu_error; struct intel_engine_cs *engine; intel_wakeref_t wakeref; intel_engine_mask_t tmp; @@ -1338,33 +1146,31 @@ void i915_handle_error(struct drm_i915_private *i915, * isn't the case at least when we get here by doing a * simulated reset via debugfs, so get an RPM reference. */ - wakeref = intel_runtime_pm_get(&i915->runtime_pm); + wakeref = intel_runtime_pm_get(>->i915->runtime_pm); - engine_mask &= INTEL_INFO(i915)->engine_mask; + engine_mask &= INTEL_INFO(gt->i915)->engine_mask; if (flags & I915_ERROR_CAPTURE) { - i915_capture_error_state(i915, engine_mask, msg); - clear_error_registers(i915, engine_mask); + i915_capture_error_state(gt->i915, engine_mask, msg); + intel_gt_clear_error_registers(gt, engine_mask); } /* * Try engine reset when available. We fall back to full reset if * single reset fails. */ - if (intel_has_reset_engine(i915) && !__i915_wedged(error)) { - for_each_engine_masked(engine, i915, engine_mask, tmp) { + if (intel_has_reset_engine(gt->i915) && !intel_gt_is_wedged(gt)) { + for_each_engine_masked(engine, gt->i915, engine_mask, tmp) { BUILD_BUG_ON(I915_RESET_MODESET >= I915_RESET_ENGINE); if (test_and_set_bit(I915_RESET_ENGINE + engine->id, - &error->flags)) + >->reset.flags)) continue; - if (i915_reset_engine(engine, msg) == 0) + if (intel_engine_reset(engine, msg) == 0) engine_mask &= ~engine->mask; - clear_bit(I915_RESET_ENGINE + engine->id, - &error->flags); - wake_up_bit(&error->flags, - I915_RESET_ENGINE + engine->id); + clear_and_wake_up_bit(I915_RESET_ENGINE + engine->id, + >->reset.flags); } } @@ -1372,9 +1178,9 @@ void i915_handle_error(struct drm_i915_private *i915, goto out; /* Full reset needs the mutex, stop any other user trying to do so. */ - if (test_and_set_bit(I915_RESET_BACKOFF, &error->flags)) { - wait_event(error->reset_queue, - !test_bit(I915_RESET_BACKOFF, &error->flags)); + if (test_and_set_bit(I915_RESET_BACKOFF, >->reset.flags)) { + wait_event(gt->reset.queue, + !test_bit(I915_RESET_BACKOFF, >->reset.flags)); goto out; /* piggy-back on the other reset */ } @@ -1382,113 +1188,119 @@ void i915_handle_error(struct drm_i915_private *i915, synchronize_rcu_expedited(); /* Prevent any other reset-engine attempt. */ - for_each_engine(engine, i915, tmp) { + for_each_engine(engine, gt->i915, tmp) { while (test_and_set_bit(I915_RESET_ENGINE + engine->id, - &error->flags)) - wait_on_bit(&error->flags, + >->reset.flags)) + wait_on_bit(>->reset.flags, I915_RESET_ENGINE + engine->id, TASK_UNINTERRUPTIBLE); } - i915_reset_device(i915, engine_mask, msg); + intel_gt_reset_global(gt, engine_mask, msg); - for_each_engine(engine, i915, tmp) { - clear_bit(I915_RESET_ENGINE + engine->id, - &error->flags); - } - - clear_bit(I915_RESET_BACKOFF, &error->flags); - wake_up_all(&error->reset_queue); + for_each_engine(engine, gt->i915, tmp) + clear_bit_unlock(I915_RESET_ENGINE + engine->id, + >->reset.flags); + clear_bit_unlock(I915_RESET_BACKOFF, >->reset.flags); + smp_mb__after_atomic(); + wake_up_all(>->reset.queue); out: - intel_runtime_pm_put(&i915->runtime_pm, wakeref); + intel_runtime_pm_put(>->i915->runtime_pm, wakeref); } -int i915_reset_trylock(struct drm_i915_private *i915) +int intel_gt_reset_trylock(struct intel_gt *gt) { - struct i915_gpu_error *error = &i915->gpu_error; int srcu; - might_lock(&error->reset_backoff_srcu); + might_lock(>->reset.backoff_srcu); might_sleep(); rcu_read_lock(); - while (test_bit(I915_RESET_BACKOFF, &error->flags)) { + while (test_bit(I915_RESET_BACKOFF, >->reset.flags)) { rcu_read_unlock(); - if (wait_event_interruptible(error->reset_queue, + if (wait_event_interruptible(gt->reset.queue, !test_bit(I915_RESET_BACKOFF, - &error->flags))) + >->reset.flags))) return -EINTR; rcu_read_lock(); } - srcu = srcu_read_lock(&error->reset_backoff_srcu); + srcu = srcu_read_lock(>->reset.backoff_srcu); rcu_read_unlock(); return srcu; } -void i915_reset_unlock(struct drm_i915_private *i915, int tag) -__releases(&i915->gpu_error.reset_backoff_srcu) +void intel_gt_reset_unlock(struct intel_gt *gt, int tag) +__releases(>->reset.backoff_srcu) { - struct i915_gpu_error *error = &i915->gpu_error; - - srcu_read_unlock(&error->reset_backoff_srcu, tag); + srcu_read_unlock(>->reset.backoff_srcu, tag); } -int i915_terminally_wedged(struct drm_i915_private *i915) +int intel_gt_terminally_wedged(struct intel_gt *gt) { - struct i915_gpu_error *error = &i915->gpu_error; - might_sleep(); - if (!__i915_wedged(error)) + if (!intel_gt_is_wedged(gt)) return 0; /* Reset still in progress? Maybe we will recover? */ - if (!test_bit(I915_RESET_BACKOFF, &error->flags)) + if (!test_bit(I915_RESET_BACKOFF, >->reset.flags)) return -EIO; /* XXX intel_reset_finish() still takes struct_mutex!!! */ - if (mutex_is_locked(&i915->drm.struct_mutex)) + if (mutex_is_locked(>->i915->drm.struct_mutex)) return -EAGAIN; - if (wait_event_interruptible(error->reset_queue, + if (wait_event_interruptible(gt->reset.queue, !test_bit(I915_RESET_BACKOFF, - &error->flags))) + >->reset.flags))) return -EINTR; - return __i915_wedged(error) ? -EIO : 0; + return intel_gt_is_wedged(gt) ? -EIO : 0; +} + +void intel_gt_init_reset(struct intel_gt *gt) +{ + init_waitqueue_head(>->reset.queue); + mutex_init(>->reset.mutex); + init_srcu_struct(>->reset.backoff_srcu); +} + +void intel_gt_fini_reset(struct intel_gt *gt) +{ + cleanup_srcu_struct(>->reset.backoff_srcu); } -static void i915_wedge_me(struct work_struct *work) +static void intel_wedge_me(struct work_struct *work) { - struct i915_wedge_me *w = container_of(work, typeof(*w), work.work); + struct intel_wedge_me *w = container_of(work, typeof(*w), work.work); - dev_err(w->i915->drm.dev, + dev_err(w->gt->i915->drm.dev, "%s timed out, cancelling all in-flight rendering.\n", w->name); - i915_gem_set_wedged(w->i915); + intel_gt_set_wedged(w->gt); } -void __i915_init_wedge(struct i915_wedge_me *w, - struct drm_i915_private *i915, - long timeout, - const char *name) +void __intel_init_wedge(struct intel_wedge_me *w, + struct intel_gt *gt, + long timeout, + const char *name) { - w->i915 = i915; + w->gt = gt; w->name = name; - INIT_DELAYED_WORK_ONSTACK(&w->work, i915_wedge_me); + INIT_DELAYED_WORK_ONSTACK(&w->work, intel_wedge_me); schedule_delayed_work(&w->work, timeout); } -void __i915_fini_wedge(struct i915_wedge_me *w) +void __intel_fini_wedge(struct intel_wedge_me *w) { cancel_delayed_work_sync(&w->work); destroy_delayed_work_on_stack(&w->work); - w->i915 = NULL; + w->gt = NULL; } #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) diff --git a/drivers/gpu/drm/i915/gt/intel_reset.h b/drivers/gpu/drm/i915/gt/intel_reset.h index 580ebdb59eca..37a987b17108 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.h +++ b/drivers/gpu/drm/i915/gt/intel_reset.h @@ -11,58 +11,67 @@ #include <linux/types.h> #include <linux/srcu.h> -#include "gt/intel_engine_types.h" +#include "intel_engine_types.h" +#include "intel_reset_types.h" struct drm_i915_private; struct i915_request; struct intel_engine_cs; +struct intel_gt; struct intel_guc; +void intel_gt_init_reset(struct intel_gt *gt); +void intel_gt_fini_reset(struct intel_gt *gt); + __printf(4, 5) -void i915_handle_error(struct drm_i915_private *i915, - intel_engine_mask_t engine_mask, - unsigned long flags, - const char *fmt, ...); +void intel_gt_handle_error(struct intel_gt *gt, + intel_engine_mask_t engine_mask, + unsigned long flags, + const char *fmt, ...); #define I915_ERROR_CAPTURE BIT(0) -void i915_check_and_clear_faults(struct drm_i915_private *i915); - -void i915_reset(struct drm_i915_private *i915, - intel_engine_mask_t stalled_mask, - const char *reason); -int i915_reset_engine(struct intel_engine_cs *engine, - const char *reason); - -void i915_reset_request(struct i915_request *rq, bool guilty); +void intel_gt_reset(struct intel_gt *gt, + intel_engine_mask_t stalled_mask, + const char *reason); +int intel_engine_reset(struct intel_engine_cs *engine, + const char *reason); -int __must_check i915_reset_trylock(struct drm_i915_private *i915); -void i915_reset_unlock(struct drm_i915_private *i915, int tag); +void __i915_request_reset(struct i915_request *rq, bool guilty); -int i915_terminally_wedged(struct drm_i915_private *i915); +int __must_check intel_gt_reset_trylock(struct intel_gt *gt); +void intel_gt_reset_unlock(struct intel_gt *gt, int tag); -bool intel_has_gpu_reset(struct drm_i915_private *i915); -bool intel_has_reset_engine(struct drm_i915_private *i915); +void intel_gt_set_wedged(struct intel_gt *gt); +bool intel_gt_unset_wedged(struct intel_gt *gt); +int intel_gt_terminally_wedged(struct intel_gt *gt); -int intel_gpu_reset(struct drm_i915_private *i915, - intel_engine_mask_t engine_mask); +int __intel_gt_reset(struct intel_gt *gt, intel_engine_mask_t engine_mask); -int intel_reset_guc(struct drm_i915_private *i915); +int intel_reset_guc(struct intel_gt *gt); -struct i915_wedge_me { +struct intel_wedge_me { struct delayed_work work; - struct drm_i915_private *i915; + struct intel_gt *gt; const char *name; }; -void __i915_init_wedge(struct i915_wedge_me *w, - struct drm_i915_private *i915, - long timeout, - const char *name); -void __i915_fini_wedge(struct i915_wedge_me *w); +void __intel_init_wedge(struct intel_wedge_me *w, + struct intel_gt *gt, + long timeout, + const char *name); +void __intel_fini_wedge(struct intel_wedge_me *w); -#define i915_wedge_on_timeout(W, DEV, TIMEOUT) \ - for (__i915_init_wedge((W), (DEV), (TIMEOUT), __func__); \ - (W)->i915; \ - __i915_fini_wedge((W))) +#define intel_wedge_on_timeout(W, GT, TIMEOUT) \ + for (__intel_init_wedge((W), (GT), (TIMEOUT), __func__); \ + (W)->gt; \ + __intel_fini_wedge((W))) + +static inline bool __intel_reset_failed(const struct intel_reset *reset) +{ + return unlikely(test_bit(I915_WEDGED, &reset->flags)); +} + +bool intel_has_gpu_reset(struct drm_i915_private *i915); +bool intel_has_reset_engine(struct drm_i915_private *i915); #endif /* I915_RESET_H */ diff --git a/drivers/gpu/drm/i915/gt/intel_reset_types.h b/drivers/gpu/drm/i915/gt/intel_reset_types.h new file mode 100644 index 000000000000..31968356e0c0 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_reset_types.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef __INTEL_RESET_TYPES_H_ +#define __INTEL_RESET_TYPES_H_ + +#include <linux/mutex.h> +#include <linux/wait.h> +#include <linux/srcu.h> + +struct intel_reset { + /** + * flags: Control various stages of the GPU reset + * + * #I915_RESET_BACKOFF - When we start a global reset, we need to + * serialise with any other users attempting to do the same, and + * any global resources that may be clobber by the reset (such as + * FENCE registers). + * + * #I915_RESET_ENGINE[num_engines] - Since the driver doesn't need to + * acquire the struct_mutex to reset an engine, we need an explicit + * flag to prevent two concurrent reset attempts in the same engine. + * As the number of engines continues to grow, allocate the flags from + * the most significant bits. + * + * #I915_WEDGED - If reset fails and we can no longer use the GPU, + * we set the #I915_WEDGED bit. Prior to command submission, e.g. + * i915_request_alloc(), this bit is checked and the sequence + * aborted (with -EIO reported to userspace) if set. + */ + unsigned long flags; +#define I915_RESET_BACKOFF 0 +#define I915_RESET_MODESET 1 +#define I915_RESET_ENGINE 2 +#define I915_WEDGED (BITS_PER_LONG - 1) + + struct mutex mutex; /* serialises wedging/unwedging */ + + /** + * Waitqueue to signal when the reset has completed. Used by clients + * that wait for dev_priv->mm.wedged to settle. + */ + wait_queue_head_t queue; + + struct srcu_struct backoff_srcu; +}; + +#endif /* _INTEL_RESET_TYPES_H_ */ diff --git a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c index 12010e798868..8d24a49e5139 100644 --- a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c @@ -34,9 +34,9 @@ #include "gem/i915_gem_context.h" #include "i915_drv.h" -#include "i915_gem_render_state.h" #include "i915_trace.h" #include "intel_context.h" +#include "intel_gt.h" #include "intel_reset.h" #include "intel_workarounds.h" @@ -75,7 +75,8 @@ gen2_render_ring_flush(struct i915_request *rq, u32 mode) *cs++ = cmd; while (num_store_dw--) { *cs++ = MI_STORE_DWORD_IMM | MI_MEM_VIRTUAL; - *cs++ = i915_scratch_offset(rq->i915); + *cs++ = intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_DEFAULT); *cs++ = 0; } *cs++ = MI_FLUSH | MI_NO_WRITE_FLUSH; @@ -148,7 +149,9 @@ gen4_render_ring_flush(struct i915_request *rq, u32 mode) */ if (mode & EMIT_INVALIDATE) { *cs++ = GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE; - *cs++ = i915_scratch_offset(rq->i915) | PIPE_CONTROL_GLOBAL_GTT; + *cs++ = intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_DEFAULT) | + PIPE_CONTROL_GLOBAL_GTT; *cs++ = 0; *cs++ = 0; @@ -156,7 +159,9 @@ gen4_render_ring_flush(struct i915_request *rq, u32 mode) *cs++ = MI_FLUSH; *cs++ = GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE; - *cs++ = i915_scratch_offset(rq->i915) | PIPE_CONTROL_GLOBAL_GTT; + *cs++ = intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_DEFAULT) | + PIPE_CONTROL_GLOBAL_GTT; *cs++ = 0; *cs++ = 0; } @@ -208,7 +213,9 @@ gen4_render_ring_flush(struct i915_request *rq, u32 mode) static int gen6_emit_post_sync_nonzero_flush(struct i915_request *rq) { - u32 scratch_addr = i915_scratch_offset(rq->i915) + 2 * CACHELINE_BYTES; + u32 scratch_addr = + intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_RENDER_FLUSH); u32 *cs; cs = intel_ring_begin(rq, 6); @@ -241,7 +248,9 @@ gen6_emit_post_sync_nonzero_flush(struct i915_request *rq) static int gen6_render_ring_flush(struct i915_request *rq, u32 mode) { - u32 scratch_addr = i915_scratch_offset(rq->i915) + 2 * CACHELINE_BYTES; + u32 scratch_addr = + intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_RENDER_FLUSH); u32 *cs, flags = 0; int ret; @@ -299,7 +308,9 @@ static u32 *gen6_rcs_emit_breadcrumb(struct i915_request *rq, u32 *cs) *cs++ = GFX_OP_PIPE_CONTROL(4); *cs++ = PIPE_CONTROL_QW_WRITE; - *cs++ = i915_scratch_offset(rq->i915) | PIPE_CONTROL_GLOBAL_GTT; + *cs++ = intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_DEFAULT) | + PIPE_CONTROL_GLOBAL_GTT; *cs++ = 0; /* Finally we can flush and with it emit the breadcrumb */ @@ -342,7 +353,9 @@ gen7_render_ring_cs_stall_wa(struct i915_request *rq) static int gen7_render_ring_flush(struct i915_request *rq, u32 mode) { - u32 scratch_addr = i915_scratch_offset(rq->i915) + 2 * CACHELINE_BYTES; + u32 scratch_addr = + intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_RENDER_FLUSH); u32 *cs, flags = 0; /* @@ -725,7 +738,45 @@ out: static void reset_prepare(struct intel_engine_cs *engine) { - intel_engine_stop_cs(engine); + struct intel_uncore *uncore = engine->uncore; + const u32 base = engine->mmio_base; + + /* + * We stop engines, otherwise we might get failed reset and a + * dead gpu (on elk). Also as modern gpu as kbl can suffer + * from system hang if batchbuffer is progressing when + * the reset is issued, regardless of READY_TO_RESET ack. + * Thus assume it is best to stop engines on all gens + * where we have a gpu reset. + * + * WaKBLVECSSemaphoreWaitPoll:kbl (on ALL_ENGINES) + * + * WaMediaResetMainRingCleanup:ctg,elk (presumably) + * + * FIXME: Wa for more modern gens needs to be validated + */ + GEM_TRACE("%s\n", engine->name); + + if (intel_engine_stop_cs(engine)) + GEM_TRACE("%s: timed out on STOP_RING\n", engine->name); + + intel_uncore_write_fw(uncore, + RING_HEAD(base), + intel_uncore_read_fw(uncore, RING_TAIL(base))); + intel_uncore_posting_read_fw(uncore, RING_HEAD(base)); /* paranoia */ + + intel_uncore_write_fw(uncore, RING_HEAD(base), 0); + intel_uncore_write_fw(uncore, RING_TAIL(base), 0); + intel_uncore_posting_read_fw(uncore, RING_TAIL(base)); + + /* The ring must be empty before it is disabled */ + intel_uncore_write_fw(uncore, RING_CTL(base), 0); + + /* Check acts as a post */ + if (intel_uncore_read_fw(uncore, RING_HEAD(base))) + GEM_TRACE("%s: ring head [%x] not parked\n", + engine->name, + intel_uncore_read_fw(uncore, RING_HEAD(base))); } static void reset_ring(struct intel_engine_cs *engine, bool stalled) @@ -781,7 +832,7 @@ static void reset_ring(struct intel_engine_cs *engine, bool stalled) * If the request was innocent, we try to replay the request * with the restored context. */ - i915_reset_request(rq, stalled); + __i915_request_reset(rq, stalled); GEM_BUG_ON(rq->ring != engine->buffer); head = rq->head; @@ -797,21 +848,6 @@ static void reset_finish(struct intel_engine_cs *engine) { } -static int intel_rcs_ctx_init(struct i915_request *rq) -{ - int ret; - - ret = intel_engine_emit_ctx_wa(rq); - if (ret != 0) - return ret; - - ret = i915_gem_render_state_emit(rq); - if (ret) - return ret; - - return 0; -} - static int rcs_resume(struct intel_engine_cs *engine) { struct drm_i915_private *dev_priv = engine->i915; @@ -1033,14 +1069,14 @@ hsw_vebox_irq_enable(struct intel_engine_cs *engine) /* Flush/delay to ensure the RING_IMR is active before the GT IMR */ ENGINE_POSTING_READ(engine, RING_IMR); - gen6_unmask_pm_irq(engine->i915, engine->irq_enable_mask); + gen6_unmask_pm_irq(engine->gt, engine->irq_enable_mask); } static void hsw_vebox_irq_disable(struct intel_engine_cs *engine) { ENGINE_WRITE(engine, RING_IMR, ~0); - gen6_mask_pm_irq(engine->i915, engine->irq_enable_mask); + gen6_mask_pm_irq(engine->gt, engine->irq_enable_mask); } static int @@ -1071,9 +1107,11 @@ i830_emit_bb_start(struct i915_request *rq, u64 offset, u32 len, unsigned int dispatch_flags) { - u32 *cs, cs_offset = i915_scratch_offset(rq->i915); + u32 *cs, cs_offset = + intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_DEFAULT); - GEM_BUG_ON(rq->i915->gt.scratch->size < I830_WA_SIZE); + GEM_BUG_ON(rq->engine->gt->scratch->size < I830_WA_SIZE); cs = intel_ring_begin(rq, 6); if (IS_ERR(cs)) @@ -1156,7 +1194,7 @@ int intel_ring_pin(struct intel_ring *ring) if (atomic_fetch_inc(&ring->pin_count)) return 0; - ret = i915_timeline_pin(ring->timeline); + ret = intel_timeline_pin(ring->timeline); if (ret) goto err_unpin; @@ -1189,12 +1227,13 @@ int intel_ring_pin(struct intel_ring *ring) GEM_BUG_ON(ring->vaddr); ring->vaddr = addr; + GEM_TRACE("ring:%llx pin\n", ring->timeline->fence_context); return 0; err_ring: i915_vma_unpin(vma); err_timeline: - i915_timeline_unpin(ring->timeline); + intel_timeline_unpin(ring->timeline); err_unpin: atomic_dec(&ring->pin_count); return ret; @@ -1215,10 +1254,13 @@ void intel_ring_unpin(struct intel_ring *ring) if (!atomic_dec_and_test(&ring->pin_count)) return; + GEM_TRACE("ring:%llx unpin\n", ring->timeline->fence_context); + /* Discard any unused bytes beyond that submitted to hw. */ intel_ring_reset(ring, ring->tail); GEM_BUG_ON(!ring->vma); + i915_vma_unset_ggtt_write(ring->vma); if (i915_vma_is_map_and_fenceable(ring->vma)) i915_vma_unpin_iomap(ring->vma); else @@ -1230,19 +1272,19 @@ void intel_ring_unpin(struct intel_ring *ring) ring->vma->obj->pin_global--; i915_vma_unpin(ring->vma); - i915_timeline_unpin(ring->timeline); + intel_timeline_unpin(ring->timeline); } -static struct i915_vma * -intel_ring_create_vma(struct drm_i915_private *dev_priv, int size) +static struct i915_vma *create_ring_vma(struct i915_ggtt *ggtt, int size) { - struct i915_address_space *vm = &dev_priv->ggtt.vm; + struct i915_address_space *vm = &ggtt->vm; + struct drm_i915_private *i915 = vm->i915; struct drm_i915_gem_object *obj; struct i915_vma *vma; - obj = i915_gem_object_create_stolen(dev_priv, size); + obj = i915_gem_object_create_stolen(i915, size); if (!obj) - obj = i915_gem_object_create_internal(dev_priv, size); + obj = i915_gem_object_create_internal(i915, size); if (IS_ERR(obj)) return ERR_CAST(obj); @@ -1266,9 +1308,10 @@ err: struct intel_ring * intel_engine_create_ring(struct intel_engine_cs *engine, - struct i915_timeline *timeline, + struct intel_timeline *timeline, int size) { + struct drm_i915_private *i915 = engine->i915; struct intel_ring *ring; struct i915_vma *vma; @@ -1281,7 +1324,7 @@ intel_engine_create_ring(struct intel_engine_cs *engine, kref_init(&ring->ref); INIT_LIST_HEAD(&ring->request_list); - ring->timeline = i915_timeline_get(timeline); + ring->timeline = intel_timeline_get(timeline); ring->size = size; /* Workaround an erratum on the i830 which causes a hang if @@ -1289,12 +1332,12 @@ intel_engine_create_ring(struct intel_engine_cs *engine, * of the buffer. */ ring->effective_size = size; - if (IS_I830(engine->i915) || IS_I845G(engine->i915)) + if (IS_I830(i915) || IS_I845G(i915)) ring->effective_size -= 2 * CACHELINE_BYTES; intel_ring_update_space(ring); - vma = intel_ring_create_vma(engine->i915, size); + vma = create_ring_vma(engine->gt->ggtt, size); if (IS_ERR(vma)) { kfree(ring); return ERR_CAST(vma); @@ -1311,13 +1354,12 @@ void intel_ring_free(struct kref *ref) i915_vma_close(ring->vma); i915_vma_put(ring->vma); - i915_timeline_put(ring->timeline); + intel_timeline_put(ring->timeline); kfree(ring); } static void __ring_context_fini(struct intel_context *ce) { - GEM_BUG_ON(i915_gem_object_is_active(ce->state->obj)); i915_gem_object_put(ce->state->obj); } @@ -1330,33 +1372,45 @@ static void ring_context_destroy(struct kref *ref) if (ce->state) __ring_context_fini(ce); + intel_context_fini(ce); intel_context_free(ce); } -static int __context_pin_ppgtt(struct i915_gem_context *ctx) +static struct i915_address_space *vm_alias(struct intel_context *ce) +{ + struct i915_address_space *vm; + + vm = ce->vm; + if (i915_is_ggtt(vm)) + vm = &i915_vm_to_ggtt(vm)->alias->vm; + + return vm; +} + +static int __context_pin_ppgtt(struct intel_context *ce) { struct i915_address_space *vm; int err = 0; - vm = ctx->vm ?: &ctx->i915->mm.aliasing_ppgtt->vm; + vm = vm_alias(ce); if (vm) err = gen6_ppgtt_pin(i915_vm_to_ppgtt((vm))); return err; } -static void __context_unpin_ppgtt(struct i915_gem_context *ctx) +static void __context_unpin_ppgtt(struct intel_context *ce) { struct i915_address_space *vm; - vm = ctx->vm ?: &ctx->i915->mm.aliasing_ppgtt->vm; + vm = vm_alias(ce); if (vm) gen6_ppgtt_unpin(i915_vm_to_ppgtt(vm)); } static void ring_context_unpin(struct intel_context *ce) { - __context_unpin_ppgtt(ce->gem_context); + __context_unpin_ppgtt(ce); } static struct i915_vma * @@ -1412,7 +1466,7 @@ alloc_context_vma(struct intel_engine_cs *engine) i915_gem_object_unpin_map(obj); } - vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); + vma = i915_vma_instance(obj, &engine->gt->ggtt->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto err_obj; @@ -1446,11 +1500,11 @@ static int ring_context_pin(struct intel_context *ce) ce->state = vma; } - err = intel_context_active_acquire(ce, PIN_HIGH); + err = intel_context_active_acquire(ce); if (err) return err; - err = __context_pin_ppgtt(ce->gem_context); + err = __context_pin_ppgtt(ce); if (err) goto err_active; @@ -1492,7 +1546,7 @@ static int load_pd_dir(struct i915_request *rq, const struct i915_ppgtt *ppgtt) *cs++ = MI_LOAD_REGISTER_IMM(1); *cs++ = i915_mmio_reg_offset(RING_PP_DIR_BASE(engine->mmio_base)); - *cs++ = ppgtt->pd->base.ggtt_offset << 10; + *cs++ = px_base(ppgtt->pd)->ggtt_offset << 10; intel_ring_advance(rq, cs); @@ -1511,7 +1565,8 @@ static int flush_pd_dir(struct i915_request *rq) /* Stall until the page table load is complete */ *cs++ = MI_STORE_REGISTER_MEM | MI_SRM_LRM_GLOBAL_GTT; *cs++ = i915_mmio_reg_offset(RING_PP_DIR_BASE(engine->mmio_base)); - *cs++ = i915_scratch_offset(rq->i915); + *cs++ = intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_DEFAULT); *cs++ = MI_NOOP; intel_ring_advance(rq, cs); @@ -1627,7 +1682,8 @@ static inline int mi_set_context(struct i915_request *rq, u32 flags) /* Insert a delay before the next switch! */ *cs++ = MI_STORE_REGISTER_MEM | MI_SRM_LRM_GLOBAL_GTT; *cs++ = i915_mmio_reg_offset(last_reg); - *cs++ = i915_scratch_offset(rq->i915); + *cs++ = intel_gt_scratch_offset(rq->engine->gt, + INTEL_GT_SCRATCH_FIELD_DEFAULT); *cs++ = MI_NOOP; } *cs++ = MI_ARB_ON_OFF | MI_ARB_ENABLE; @@ -1640,7 +1696,7 @@ static inline int mi_set_context(struct i915_request *rq, u32 flags) return 0; } -static int remap_l3(struct i915_request *rq, int slice) +static int remap_l3_slice(struct i915_request *rq, int slice) { u32 *cs, *remap_info = rq->i915->l3_parity.remap_info[slice]; int i; @@ -1668,15 +1724,34 @@ static int remap_l3(struct i915_request *rq, int slice) return 0; } +static int remap_l3(struct i915_request *rq) +{ + struct i915_gem_context *ctx = rq->gem_context; + int i, err; + + if (!ctx->remap_slice) + return 0; + + for (i = 0; i < MAX_L3_SLICES; i++) { + if (!(ctx->remap_slice & BIT(i))) + continue; + + err = remap_l3_slice(rq, i); + if (err) + return err; + } + + ctx->remap_slice = 0; + return 0; +} + static int switch_context(struct i915_request *rq) { struct intel_engine_cs *engine = rq->engine; - struct i915_gem_context *ctx = rq->gem_context; - struct i915_address_space *vm = - ctx->vm ?: &rq->i915->mm.aliasing_ppgtt->vm; + struct i915_address_space *vm = vm_alias(rq->hw_context); unsigned int unwind_mm = 0; u32 hw_flags = 0; - int ret, i; + int ret; GEM_BUG_ON(HAS_EXECLISTS(rq->i915)); @@ -1720,7 +1795,7 @@ static int switch_context(struct i915_request *rq) * as nothing actually executes using the kernel context; it * is purely used for flushing user contexts. */ - if (i915_gem_context_is_kernel(ctx)) + if (i915_gem_context_is_kernel(rq->gem_context)) hw_flags = MI_RESTORE_INHIBIT; ret = mi_set_context(rq, hw_flags); @@ -1754,18 +1829,9 @@ static int switch_context(struct i915_request *rq) goto err_mm; } - if (ctx->remap_slice) { - for (i = 0; i < MAX_L3_SLICES; i++) { - if (!(ctx->remap_slice & BIT(i))) - continue; - - ret = remap_l3(rq, i); - if (ret) - goto err_mm; - } - - ctx->remap_slice = 0; - } + ret = remap_l3(rq); + if (ret) + goto err_mm; return 0; @@ -2166,11 +2232,9 @@ static void setup_rcs(struct intel_engine_cs *engine) engine->irq_enable_mask = GT_RENDER_USER_INTERRUPT; if (INTEL_GEN(i915) >= 7) { - engine->init_context = intel_rcs_ctx_init; engine->emit_flush = gen7_render_ring_flush; engine->emit_fini_breadcrumb = gen7_rcs_emit_breadcrumb; } else if (IS_GEN(i915, 6)) { - engine->init_context = intel_rcs_ctx_init; engine->emit_flush = gen6_render_ring_flush; engine->emit_fini_breadcrumb = gen6_rcs_emit_breadcrumb; } else if (IS_GEN(i915, 5)) { @@ -2267,11 +2331,11 @@ int intel_ring_submission_setup(struct intel_engine_cs *engine) int intel_ring_submission_init(struct intel_engine_cs *engine) { - struct i915_timeline *timeline; + struct intel_timeline *timeline; struct intel_ring *ring; int err; - timeline = i915_timeline_create(engine->i915, engine->status_page.vma); + timeline = intel_timeline_create(engine->gt, engine->status_page.vma); if (IS_ERR(timeline)) { err = PTR_ERR(timeline); goto err; @@ -2279,7 +2343,7 @@ int intel_ring_submission_init(struct intel_engine_cs *engine) GEM_BUG_ON(timeline->has_initial_breadcrumb); ring = intel_engine_create_ring(engine, timeline, 32 * PAGE_SIZE); - i915_timeline_put(timeline); + intel_timeline_put(timeline); if (IS_ERR(ring)) { err = PTR_ERR(ring); goto err; diff --git a/drivers/gpu/drm/i915/i915_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c index c311ce9c6f9d..6daa9eb59e19 100644 --- a/drivers/gpu/drm/i915/i915_timeline.c +++ b/drivers/gpu/drm/i915/gt/intel_timeline.c @@ -4,38 +4,36 @@ * Copyright © 2016-2018 Intel Corporation */ +#include "gt/intel_gt_types.h" + #include "i915_drv.h" #include "i915_active.h" #include "i915_syncmap.h" -#include "i915_timeline.h" +#include "gt/intel_timeline.h" #define ptr_set_bit(ptr, bit) ((typeof(ptr))((unsigned long)(ptr) | BIT(bit))) #define ptr_test_bit(ptr, bit) ((unsigned long)(ptr) & BIT(bit)) -struct i915_timeline_hwsp { - struct i915_gt_timelines *gt; +struct intel_timeline_hwsp { + struct intel_gt *gt; + struct intel_gt_timelines *gt_timelines; struct list_head free_link; struct i915_vma *vma; u64 free_bitmap; }; -struct i915_timeline_cacheline { +struct intel_timeline_cacheline { struct i915_active active; - struct i915_timeline_hwsp *hwsp; + struct intel_timeline_hwsp *hwsp; void *vaddr; #define CACHELINE_BITS 6 #define CACHELINE_FREE CACHELINE_BITS }; -static inline struct drm_i915_private * -hwsp_to_i915(struct i915_timeline_hwsp *hwsp) -{ - return container_of(hwsp->gt, struct drm_i915_private, gt.timelines); -} - -static struct i915_vma *__hwsp_alloc(struct drm_i915_private *i915) +static struct i915_vma *__hwsp_alloc(struct intel_gt *gt) { + struct drm_i915_private *i915 = gt->i915; struct drm_i915_gem_object *obj; struct i915_vma *vma; @@ -45,7 +43,7 @@ static struct i915_vma *__hwsp_alloc(struct drm_i915_private *i915) i915_gem_object_set_cache_coherency(obj, I915_CACHE_LLC); - vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); + vma = i915_vma_instance(obj, >->ggtt->vm, NULL); if (IS_ERR(vma)) i915_gem_object_put(obj); @@ -53,11 +51,10 @@ static struct i915_vma *__hwsp_alloc(struct drm_i915_private *i915) } static struct i915_vma * -hwsp_alloc(struct i915_timeline *timeline, unsigned int *cacheline) +hwsp_alloc(struct intel_timeline *timeline, unsigned int *cacheline) { - struct drm_i915_private *i915 = timeline->i915; - struct i915_gt_timelines *gt = &i915->gt.timelines; - struct i915_timeline_hwsp *hwsp; + struct intel_gt_timelines *gt = &timeline->gt->timelines; + struct intel_timeline_hwsp *hwsp; BUILD_BUG_ON(BITS_PER_TYPE(u64) * CACHELINE_BYTES > PAGE_SIZE); @@ -75,16 +72,17 @@ hwsp_alloc(struct i915_timeline *timeline, unsigned int *cacheline) if (!hwsp) return ERR_PTR(-ENOMEM); - vma = __hwsp_alloc(i915); + vma = __hwsp_alloc(timeline->gt); if (IS_ERR(vma)) { kfree(hwsp); return vma; } vma->private = hwsp; + hwsp->gt = timeline->gt; hwsp->vma = vma; hwsp->free_bitmap = ~0ull; - hwsp->gt = gt; + hwsp->gt_timelines = gt; spin_lock_irq(>->hwsp_lock); list_add(&hwsp->free_link, >->hwsp_free_list); @@ -102,9 +100,9 @@ hwsp_alloc(struct i915_timeline *timeline, unsigned int *cacheline) return hwsp->vma; } -static void __idle_hwsp_free(struct i915_timeline_hwsp *hwsp, int cacheline) +static void __idle_hwsp_free(struct intel_timeline_hwsp *hwsp, int cacheline) { - struct i915_gt_timelines *gt = hwsp->gt; + struct intel_gt_timelines *gt = hwsp->gt_timelines; unsigned long flags; spin_lock_irqsave(>->hwsp_lock, flags); @@ -126,7 +124,7 @@ static void __idle_hwsp_free(struct i915_timeline_hwsp *hwsp, int cacheline) spin_unlock_irqrestore(>->hwsp_lock, flags); } -static void __idle_cacheline_free(struct i915_timeline_cacheline *cl) +static void __idle_cacheline_free(struct intel_timeline_cacheline *cl) { GEM_BUG_ON(!i915_active_is_idle(&cl->active)); @@ -140,7 +138,7 @@ static void __idle_cacheline_free(struct i915_timeline_cacheline *cl) static void __cacheline_retire(struct i915_active *active) { - struct i915_timeline_cacheline *cl = + struct intel_timeline_cacheline *cl = container_of(active, typeof(*cl), active); i915_vma_unpin(cl->hwsp->vma); @@ -148,10 +146,19 @@ static void __cacheline_retire(struct i915_active *active) __idle_cacheline_free(cl); } -static struct i915_timeline_cacheline * -cacheline_alloc(struct i915_timeline_hwsp *hwsp, unsigned int cacheline) +static int __cacheline_active(struct i915_active *active) +{ + struct intel_timeline_cacheline *cl = + container_of(active, typeof(*cl), active); + + __i915_vma_pin(cl->hwsp->vma); + return 0; +} + +static struct intel_timeline_cacheline * +cacheline_alloc(struct intel_timeline_hwsp *hwsp, unsigned int cacheline) { - struct i915_timeline_cacheline *cl; + struct intel_timeline_cacheline *cl; void *vaddr; GEM_BUG_ON(cacheline >= BIT(CACHELINE_BITS)); @@ -170,24 +177,25 @@ cacheline_alloc(struct i915_timeline_hwsp *hwsp, unsigned int cacheline) cl->hwsp = hwsp; cl->vaddr = page_pack_bits(vaddr, cacheline); - i915_active_init(hwsp_to_i915(hwsp), &cl->active, __cacheline_retire); + i915_active_init(hwsp->gt->i915, &cl->active, + __cacheline_active, __cacheline_retire); return cl; } -static void cacheline_acquire(struct i915_timeline_cacheline *cl) +static void cacheline_acquire(struct intel_timeline_cacheline *cl) { - if (cl && i915_active_acquire(&cl->active)) - __i915_vma_pin(cl->hwsp->vma); + if (cl) + i915_active_acquire(&cl->active); } -static void cacheline_release(struct i915_timeline_cacheline *cl) +static void cacheline_release(struct intel_timeline_cacheline *cl) { if (cl) i915_active_release(&cl->active); } -static void cacheline_free(struct i915_timeline_cacheline *cl) +static void cacheline_free(struct intel_timeline_cacheline *cl) { GEM_BUG_ON(ptr_test_bit(cl->vaddr, CACHELINE_FREE)); cl->vaddr = ptr_set_bit(cl->vaddr, CACHELINE_FREE); @@ -196,29 +204,22 @@ static void cacheline_free(struct i915_timeline_cacheline *cl) __idle_cacheline_free(cl); } -int i915_timeline_init(struct drm_i915_private *i915, - struct i915_timeline *timeline, - struct i915_vma *hwsp) +int intel_timeline_init(struct intel_timeline *timeline, + struct intel_gt *gt, + struct i915_vma *hwsp) { void *vaddr; - /* - * Ideally we want a set of engines on a single leaf as we expect - * to mostly be tracking synchronisation between engines. It is not - * a huge issue if this is not the case, but we may want to mitigate - * any page crossing penalties if they become an issue. - * - * Called during early_init before we know how many engines there are. - */ - BUILD_BUG_ON(KSYNCMAP < I915_NUM_ENGINES); + kref_init(&timeline->kref); - timeline->i915 = i915; + timeline->gt = gt; timeline->pin_count = 0; + timeline->has_initial_breadcrumb = !hwsp; timeline->hwsp_cacheline = NULL; if (!hwsp) { - struct i915_timeline_cacheline *cl; + struct intel_timeline_cacheline *cl; unsigned int cacheline; hwsp = hwsp_alloc(timeline, &cacheline); @@ -261,55 +262,47 @@ int i915_timeline_init(struct drm_i915_private *i915, return 0; } -void i915_timelines_init(struct drm_i915_private *i915) +static void timelines_init(struct intel_gt *gt) { - struct i915_gt_timelines *gt = &i915->gt.timelines; + struct intel_gt_timelines *timelines = >->timelines; - mutex_init(>->mutex); - INIT_LIST_HEAD(>->active_list); + mutex_init(&timelines->mutex); + INIT_LIST_HEAD(&timelines->active_list); - spin_lock_init(>->hwsp_lock); - INIT_LIST_HEAD(>->hwsp_free_list); + spin_lock_init(&timelines->hwsp_lock); + INIT_LIST_HEAD(&timelines->hwsp_free_list); +} - /* via i915_gem_wait_for_idle() */ - i915_gem_shrinker_taints_mutex(i915, >->mutex); +void intel_timelines_init(struct drm_i915_private *i915) +{ + timelines_init(&i915->gt); } -static void timeline_add_to_active(struct i915_timeline *tl) +static void timeline_add_to_active(struct intel_timeline *tl) { - struct i915_gt_timelines *gt = &tl->i915->gt.timelines; + struct intel_gt_timelines *gt = &tl->gt->timelines; mutex_lock(>->mutex); list_add(&tl->link, >->active_list); mutex_unlock(>->mutex); } -static void timeline_remove_from_active(struct i915_timeline *tl) +static void timeline_remove_from_active(struct intel_timeline *tl) { - struct i915_gt_timelines *gt = &tl->i915->gt.timelines; + struct intel_gt_timelines *gt = &tl->gt->timelines; mutex_lock(>->mutex); list_del(&tl->link); mutex_unlock(>->mutex); } -/** - * i915_timelines_park - called when the driver idles - * @i915: the drm_i915_private device - * - * When the driver is completely idle, we know that all of our sync points - * have been signaled and our tracking is then entirely redundant. Any request - * to wait upon an older sync point will be completed instantly as we know - * the fence is signaled and therefore we will not even look them up in the - * sync point map. - */ -void i915_timelines_park(struct drm_i915_private *i915) +static void timelines_park(struct intel_gt *gt) { - struct i915_gt_timelines *gt = &i915->gt.timelines; - struct i915_timeline *timeline; + struct intel_gt_timelines *timelines = >->timelines; + struct intel_timeline *timeline; - mutex_lock(>->mutex); - list_for_each_entry(timeline, >->active_list, link) { + mutex_lock(&timelines->mutex); + list_for_each_entry(timeline, &timelines->active_list, link) { /* * All known fences are completed so we can scrap * the current sync point tracking and start afresh, @@ -318,10 +311,25 @@ void i915_timelines_park(struct drm_i915_private *i915) */ i915_syncmap_free(&timeline->sync); } - mutex_unlock(>->mutex); + mutex_unlock(&timelines->mutex); } -void i915_timeline_fini(struct i915_timeline *timeline) +/** + * intel_timelines_park - called when the driver idles + * @i915: the drm_i915_private device + * + * When the driver is completely idle, we know that all of our sync points + * have been signaled and our tracking is then entirely redundant. Any request + * to wait upon an older sync point will be completed instantly as we know + * the fence is signaled and therefore we will not even look them up in the + * sync point map. + */ +void intel_timelines_park(struct drm_i915_private *i915) +{ + timelines_park(&i915->gt); +} + +void intel_timeline_fini(struct intel_timeline *timeline) { GEM_BUG_ON(timeline->pin_count); GEM_BUG_ON(!list_empty(&timeline->requests)); @@ -336,29 +344,26 @@ void i915_timeline_fini(struct i915_timeline *timeline) i915_vma_put(timeline->hwsp_ggtt); } -struct i915_timeline * -i915_timeline_create(struct drm_i915_private *i915, - struct i915_vma *global_hwsp) +struct intel_timeline * +intel_timeline_create(struct intel_gt *gt, struct i915_vma *global_hwsp) { - struct i915_timeline *timeline; + struct intel_timeline *timeline; int err; timeline = kzalloc(sizeof(*timeline), GFP_KERNEL); if (!timeline) return ERR_PTR(-ENOMEM); - err = i915_timeline_init(i915, timeline, global_hwsp); + err = intel_timeline_init(timeline, gt, global_hwsp); if (err) { kfree(timeline); return ERR_PTR(err); } - kref_init(&timeline->kref); - return timeline; } -int i915_timeline_pin(struct i915_timeline *tl) +int intel_timeline_pin(struct intel_timeline *tl) { int err; @@ -384,7 +389,7 @@ unpin: return err; } -static u32 timeline_advance(struct i915_timeline *tl) +static u32 timeline_advance(struct intel_timeline *tl) { GEM_BUG_ON(!tl->pin_count); GEM_BUG_ON(tl->seqno & tl->has_initial_breadcrumb); @@ -392,17 +397,17 @@ static u32 timeline_advance(struct i915_timeline *tl) return tl->seqno += 1 + tl->has_initial_breadcrumb; } -static void timeline_rollback(struct i915_timeline *tl) +static void timeline_rollback(struct intel_timeline *tl) { tl->seqno -= 1 + tl->has_initial_breadcrumb; } static noinline int -__i915_timeline_get_seqno(struct i915_timeline *tl, - struct i915_request *rq, - u32 *seqno) +__intel_timeline_get_seqno(struct intel_timeline *tl, + struct i915_request *rq, + u32 *seqno) { - struct i915_timeline_cacheline *cl; + struct intel_timeline_cacheline *cl; unsigned int cacheline; struct i915_vma *vma; void *vaddr; @@ -488,31 +493,31 @@ err_rollback: return err; } -int i915_timeline_get_seqno(struct i915_timeline *tl, - struct i915_request *rq, - u32 *seqno) +int intel_timeline_get_seqno(struct intel_timeline *tl, + struct i915_request *rq, + u32 *seqno) { *seqno = timeline_advance(tl); /* Replace the HWSP on wraparound for HW semaphores */ if (unlikely(!*seqno && tl->hwsp_cacheline)) - return __i915_timeline_get_seqno(tl, rq, seqno); + return __intel_timeline_get_seqno(tl, rq, seqno); return 0; } -static int cacheline_ref(struct i915_timeline_cacheline *cl, +static int cacheline_ref(struct intel_timeline_cacheline *cl, struct i915_request *rq) { return i915_active_ref(&cl->active, rq->fence.context, rq); } -int i915_timeline_read_hwsp(struct i915_request *from, - struct i915_request *to, - u32 *hwsp) +int intel_timeline_read_hwsp(struct i915_request *from, + struct i915_request *to, + u32 *hwsp) { - struct i915_timeline_cacheline *cl = from->hwsp_cacheline; - struct i915_timeline *tl = from->timeline; + struct intel_timeline_cacheline *cl = from->hwsp_cacheline; + struct intel_timeline *tl = from->timeline; int err; GEM_BUG_ON(to->timeline == tl); @@ -535,7 +540,7 @@ int i915_timeline_read_hwsp(struct i915_request *from, return err; } -void i915_timeline_unpin(struct i915_timeline *tl) +void intel_timeline_unpin(struct intel_timeline *tl) { GEM_BUG_ON(!tl->pin_count); if (--tl->pin_count) @@ -554,26 +559,31 @@ void i915_timeline_unpin(struct i915_timeline *tl) __i915_vma_unpin(tl->hwsp_ggtt); } -void __i915_timeline_free(struct kref *kref) +void __intel_timeline_free(struct kref *kref) { - struct i915_timeline *timeline = + struct intel_timeline *timeline = container_of(kref, typeof(*timeline), kref); - i915_timeline_fini(timeline); + intel_timeline_fini(timeline); kfree(timeline); } -void i915_timelines_fini(struct drm_i915_private *i915) +static void timelines_fini(struct intel_gt *gt) { - struct i915_gt_timelines *gt = &i915->gt.timelines; + struct intel_gt_timelines *timelines = >->timelines; - GEM_BUG_ON(!list_empty(>->active_list)); - GEM_BUG_ON(!list_empty(>->hwsp_free_list)); + GEM_BUG_ON(!list_empty(&timelines->active_list)); + GEM_BUG_ON(!list_empty(&timelines->hwsp_free_list)); - mutex_destroy(>->mutex); + mutex_destroy(&timelines->mutex); +} + +void intel_timelines_fini(struct drm_i915_private *i915) +{ + timelines_fini(&i915->gt); } #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) -#include "selftests/mock_timeline.c" -#include "selftests/i915_timeline.c" +#include "gt/selftests/mock_timeline.c" +#include "gt/selftest_timeline.c" #endif diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.h b/drivers/gpu/drm/i915/gt/intel_timeline.h new file mode 100644 index 000000000000..e08cebf64833 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_timeline.h @@ -0,0 +1,93 @@ +/* + * Copyright © 2016 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#ifndef I915_TIMELINE_H +#define I915_TIMELINE_H + +#include <linux/lockdep.h> + +#include "i915_active.h" +#include "i915_syncmap.h" +#include "gt/intel_timeline_types.h" + +int intel_timeline_init(struct intel_timeline *tl, + struct intel_gt *gt, + struct i915_vma *hwsp); +void intel_timeline_fini(struct intel_timeline *tl); + +struct intel_timeline * +intel_timeline_create(struct intel_gt *gt, struct i915_vma *global_hwsp); + +static inline struct intel_timeline * +intel_timeline_get(struct intel_timeline *timeline) +{ + kref_get(&timeline->kref); + return timeline; +} + +void __intel_timeline_free(struct kref *kref); +static inline void intel_timeline_put(struct intel_timeline *timeline) +{ + kref_put(&timeline->kref, __intel_timeline_free); +} + +static inline int __intel_timeline_sync_set(struct intel_timeline *tl, + u64 context, u32 seqno) +{ + return i915_syncmap_set(&tl->sync, context, seqno); +} + +static inline int intel_timeline_sync_set(struct intel_timeline *tl, + const struct dma_fence *fence) +{ + return __intel_timeline_sync_set(tl, fence->context, fence->seqno); +} + +static inline bool __intel_timeline_sync_is_later(struct intel_timeline *tl, + u64 context, u32 seqno) +{ + return i915_syncmap_is_later(&tl->sync, context, seqno); +} + +static inline bool intel_timeline_sync_is_later(struct intel_timeline *tl, + const struct dma_fence *fence) +{ + return __intel_timeline_sync_is_later(tl, fence->context, fence->seqno); +} + +int intel_timeline_pin(struct intel_timeline *tl); +int intel_timeline_get_seqno(struct intel_timeline *tl, + struct i915_request *rq, + u32 *seqno); +void intel_timeline_unpin(struct intel_timeline *tl); + +int intel_timeline_read_hwsp(struct i915_request *from, + struct i915_request *until, + u32 *hwsp_offset); + +void intel_timelines_init(struct drm_i915_private *i915); +void intel_timelines_park(struct drm_i915_private *i915); +void intel_timelines_fini(struct drm_i915_private *i915); + +#endif diff --git a/drivers/gpu/drm/i915/i915_timeline_types.h b/drivers/gpu/drm/i915/gt/intel_timeline_types.h index fce5cb4f1090..9a71aea7a338 100644 --- a/drivers/gpu/drm/i915/i915_timeline_types.h +++ b/drivers/gpu/drm/i915/gt/intel_timeline_types.h @@ -16,10 +16,10 @@ struct drm_i915_private; struct i915_vma; -struct i915_timeline_cacheline; +struct intel_timeline_cacheline; struct i915_syncmap; -struct i915_timeline { +struct intel_timeline { u64 fence_context; u32 seqno; @@ -30,7 +30,7 @@ struct i915_timeline { struct i915_vma *hwsp_ggtt; u32 hwsp_offset; - struct i915_timeline_cacheline *hwsp_cacheline; + struct intel_timeline_cacheline *hwsp_cacheline; bool has_initial_breadcrumb; @@ -59,7 +59,7 @@ struct i915_timeline { struct i915_syncmap *sync; struct list_head link; - struct drm_i915_private *i915; + struct intel_gt *gt; struct kref kref; }; diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 98dfb086320f..704ace01e7f5 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -6,6 +6,7 @@ #include "i915_drv.h" #include "intel_context.h" +#include "intel_gt.h" #include "intel_workarounds.h" /** @@ -49,9 +50,10 @@ * - Public functions to init or apply the given workaround type. */ -static void wa_init_start(struct i915_wa_list *wal, const char *name) +static void wa_init_start(struct i915_wa_list *wal, const char *name, const char *engine_name) { wal->name = name; + wal->engine_name = engine_name; } #define WA_LIST_CHUNK (1 << 4) @@ -73,8 +75,8 @@ static void wa_init_finish(struct i915_wa_list *wal) if (!wal->count) return; - DRM_DEBUG_DRIVER("Initialized %u %s workarounds\n", - wal->wa_count, wal->name); + DRM_DEBUG_DRIVER("Initialized %u %s workarounds on %s\n", + wal->wa_count, wal->name, wal->engine_name); } static void _wa_add(struct i915_wa_list *wal, const struct i915_wa *wa) @@ -175,19 +177,6 @@ wa_write_or(struct i915_wa_list *wal, i915_reg_t reg, u32 val) wa_write_masked_or(wal, reg, val, val); } -static void -ignore_wa_write_or(struct i915_wa_list *wal, i915_reg_t reg, u32 mask, u32 val) -{ - struct i915_wa wa = { - .reg = reg, - .mask = mask, - .val = val, - /* Bonkers HW, skip verifying */ - }; - - _wa_add(wal, &wa); -} - #define WA_SET_BIT_MASKED(addr, mask) \ wa_write_masked_or(wal, (addr), (mask), _MASKED_BIT_ENABLE(mask)) @@ -536,12 +525,6 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine, intel_uncore_read(engine->uncore, GEN8_L3CNTLREG) | GEN8_ERRDETBCTRL); - /* WaDisableBankHangMode:icl */ - wa_write(wal, - GEN8_L3CNTLREG, - intel_uncore_read(engine->uncore, GEN8_L3CNTLREG) | - GEN8_ERRDETBCTRL); - /* Wa_1604370585:icl (pre-prod) * Formerly known as WaPushConstantDereferenceHoldDisable */ @@ -596,7 +579,7 @@ __intel_engine_init_ctx_wa(struct intel_engine_cs *engine, if (engine->class != RENDER_CLASS) return; - wa_init_start(wal, name); + wa_init_start(wal, name, engine->name); if (IS_GEN(i915, 11)) icl_ctx_workarounds_init(engine, wal); @@ -766,7 +749,10 @@ static void wa_init_mcr(struct drm_i915_private *i915, struct i915_wa_list *wal) { const struct sseu_dev_info *sseu = &RUNTIME_INFO(i915)->sseu; - u32 mcr_slice_subslice_mask; + unsigned int slice, subslice; + u32 l3_en, mcr, mcr_mask; + + GEM_BUG_ON(INTEL_GEN(i915) < 10); /* * WaProgramMgsrForL3BankSpecificMmioReads: cnl,icl @@ -774,42 +760,7 @@ wa_init_mcr(struct drm_i915_private *i915, struct i915_wa_list *wal) * the case, we might need to program MCR select to a valid L3Bank * by default, to make sure we correctly read certain registers * later on (in the range 0xB100 - 0xB3FF). - * This might be incompatible with - * WaProgramMgsrForCorrectSliceSpecificMmioReads. - * Fortunately, this should not happen in production hardware, so - * we only assert that this is the case (instead of implementing - * something more complex that requires checking the range of every - * MMIO read). - */ - if (INTEL_GEN(i915) >= 10 && - is_power_of_2(sseu->slice_mask)) { - /* - * read FUSE3 for enabled L3 Bank IDs, if L3 Bank matches - * enabled subslice, no need to redirect MCR packet - */ - u32 slice = fls(sseu->slice_mask); - u32 fuse3 = - intel_uncore_read(&i915->uncore, GEN10_MIRROR_FUSE3); - u8 ss_mask = sseu->subslice_mask[slice]; - - u8 enabled_mask = (ss_mask | ss_mask >> - GEN10_L3BANK_PAIR_COUNT) & GEN10_L3BANK_MASK; - u8 disabled_mask = fuse3 & GEN10_L3BANK_MASK; - - /* - * Production silicon should have matched L3Bank and - * subslice enabled - */ - WARN_ON((enabled_mask & disabled_mask) != enabled_mask); - } - - if (INTEL_GEN(i915) >= 11) - mcr_slice_subslice_mask = GEN11_MCR_SLICE_MASK | - GEN11_MCR_SUBSLICE_MASK; - else - mcr_slice_subslice_mask = GEN8_MCR_SLICE_MASK | - GEN8_MCR_SUBSLICE_MASK; - /* + * * WaProgramMgsrForCorrectSliceSpecificMmioReads:cnl,icl * Before any MMIO read into slice/subslice specific registers, MCR * packet control register needs to be programmed to point to any @@ -819,11 +770,51 @@ wa_init_mcr(struct drm_i915_private *i915, struct i915_wa_list *wal) * are consistent across s/ss in almost all cases. In the rare * occasions, such as INSTDONE, where this value is dependent * on s/ss combo, the read should be done with read_subslice_reg. + * + * Since GEN8_MCR_SELECTOR contains dual-purpose bits which select both + * to which subslice, or to which L3 bank, the respective mmio reads + * will go, we have to find a common index which works for both + * accesses. + * + * Case where we cannot find a common index fortunately should not + * happen in production hardware, so we only emit a warning instead of + * implementing something more complex that requires checking the range + * of every MMIO read. */ - wa_write_masked_or(wal, - GEN8_MCR_SELECTOR, - mcr_slice_subslice_mask, - intel_calculate_mcr_s_ss_select(i915)); + + if (INTEL_GEN(i915) >= 10 && is_power_of_2(sseu->slice_mask)) { + u32 l3_fuse = + intel_uncore_read(&i915->uncore, GEN10_MIRROR_FUSE3) & + GEN10_L3BANK_MASK; + + DRM_DEBUG_DRIVER("L3 fuse = %x\n", l3_fuse); + l3_en = ~(l3_fuse << GEN10_L3BANK_PAIR_COUNT | l3_fuse); + } else { + l3_en = ~0; + } + + slice = fls(sseu->slice_mask) - 1; + GEM_BUG_ON(slice >= ARRAY_SIZE(sseu->subslice_mask)); + subslice = fls(l3_en & sseu->subslice_mask[slice]); + if (!subslice) { + DRM_WARN("No common index found between subslice mask %x and L3 bank mask %x!\n", + sseu->subslice_mask[slice], l3_en); + subslice = fls(l3_en); + WARN_ON(!subslice); + } + subslice--; + + if (INTEL_GEN(i915) >= 11) { + mcr = GEN11_MCR_SLICE(slice) | GEN11_MCR_SUBSLICE(subslice); + mcr_mask = GEN11_MCR_SLICE_MASK | GEN11_MCR_SUBSLICE_MASK; + } else { + mcr = GEN8_MCR_SLICE(slice) | GEN8_MCR_SUBSLICE(subslice); + mcr_mask = GEN8_MCR_SLICE_MASK | GEN8_MCR_SUBSLICE_MASK; + } + + DRM_DEBUG_DRIVER("MCR slice/subslice = %x\n", mcr); + + wa_write_masked_or(wal, GEN8_MCR_SELECTOR, mcr_mask, mcr); } static void @@ -926,7 +917,7 @@ void intel_gt_init_workarounds(struct drm_i915_private *i915) { struct i915_wa_list *wal = &i915->gt_wa_list; - wa_init_start(wal, "GT"); + wa_init_start(wal, "GT", "global"); gt_init_workarounds(i915, wal); wa_init_finish(wal); } @@ -990,9 +981,9 @@ wa_list_apply(struct intel_uncore *uncore, const struct i915_wa_list *wal) spin_unlock_irqrestore(&uncore->lock, flags); } -void intel_gt_apply_workarounds(struct drm_i915_private *i915) +void intel_gt_apply_workarounds(struct intel_gt *gt) { - wa_list_apply(&i915->uncore, &i915->gt_wa_list); + wa_list_apply(gt->uncore, >->i915->gt_wa_list); } static bool wa_list_verify(struct intel_uncore *uncore, @@ -1011,10 +1002,23 @@ static bool wa_list_verify(struct intel_uncore *uncore, return ok; } -bool intel_gt_verify_workarounds(struct drm_i915_private *i915, - const char *from) +bool intel_gt_verify_workarounds(struct intel_gt *gt, const char *from) +{ + return wa_list_verify(gt->uncore, >->i915->gt_wa_list, from); +} + +static inline bool is_nonpriv_flags_valid(u32 flags) { - return wa_list_verify(&i915->uncore, &i915->gt_wa_list, from); + /* Check only valid flag bits are set */ + if (flags & ~RING_FORCE_TO_NONPRIV_MASK_VALID) + return false; + + /* NB: Only 3 out of 4 enum values are valid for access field */ + if ((flags & RING_FORCE_TO_NONPRIV_ACCESS_MASK) == + RING_FORCE_TO_NONPRIV_ACCESS_INVALID) + return false; + + return true; } static void @@ -1027,6 +1031,9 @@ whitelist_reg_ext(struct i915_wa_list *wal, i915_reg_t reg, u32 flags) if (GEM_DEBUG_WARN_ON(wal->count >= RING_MAX_NONPRIV_SLOTS)) return; + if (GEM_DEBUG_WARN_ON(!is_nonpriv_flags_valid(flags))) + return; + wa.reg.reg |= flags; _wa_add(wal, &wa); } @@ -1034,7 +1041,7 @@ whitelist_reg_ext(struct i915_wa_list *wal, i915_reg_t reg, u32 flags) static void whitelist_reg(struct i915_wa_list *wal, i915_reg_t reg) { - whitelist_reg_ext(wal, reg, RING_FORCE_TO_NONPRIV_RW); + whitelist_reg_ext(wal, reg, RING_FORCE_TO_NONPRIV_ACCESS_RW); } static void gen9_whitelist_build(struct i915_wa_list *w) @@ -1115,7 +1122,7 @@ static void cfl_whitelist_build(struct intel_engine_cs *engine) * - PS_DEPTH_COUNT_UDW */ whitelist_reg_ext(w, PS_INVOCATION_COUNT, - RING_FORCE_TO_NONPRIV_RD | + RING_FORCE_TO_NONPRIV_ACCESS_RD | RING_FORCE_TO_NONPRIV_RANGE_4); } @@ -1155,20 +1162,20 @@ static void icl_whitelist_build(struct intel_engine_cs *engine) * - PS_DEPTH_COUNT_UDW */ whitelist_reg_ext(w, PS_INVOCATION_COUNT, - RING_FORCE_TO_NONPRIV_RD | + RING_FORCE_TO_NONPRIV_ACCESS_RD | RING_FORCE_TO_NONPRIV_RANGE_4); break; case VIDEO_DECODE_CLASS: /* hucStatusRegOffset */ whitelist_reg_ext(w, _MMIO(0x2000 + engine->mmio_base), - RING_FORCE_TO_NONPRIV_RD); + RING_FORCE_TO_NONPRIV_ACCESS_RD); /* hucUKernelHdrInfoRegOffset */ whitelist_reg_ext(w, _MMIO(0x2014 + engine->mmio_base), - RING_FORCE_TO_NONPRIV_RD); + RING_FORCE_TO_NONPRIV_ACCESS_RD); /* hucStatus2RegOffset */ whitelist_reg_ext(w, _MMIO(0x23B0 + engine->mmio_base), - RING_FORCE_TO_NONPRIV_RD); + RING_FORCE_TO_NONPRIV_ACCESS_RD); break; default: @@ -1181,7 +1188,7 @@ void intel_engine_init_whitelist(struct intel_engine_cs *engine) struct drm_i915_private *i915 = engine->i915; struct i915_wa_list *w = &engine->whitelist; - wa_init_start(w, "whitelist"); + wa_init_start(w, "whitelist", engine->name); if (IS_GEN(i915, 11)) icl_whitelist_build(engine); @@ -1240,10 +1247,9 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) _3D_CHICKEN3_AA_LINE_QUALITY_FIX_ENABLE); /* WaPipelineFlushCoherentLines:icl */ - ignore_wa_write_or(wal, - GEN8_L3SQCREG4, - GEN8_LQSC_FLUSH_COHERENT_LINES, - GEN8_LQSC_FLUSH_COHERENT_LINES); + wa_write_or(wal, + GEN8_L3SQCREG4, + GEN8_LQSC_FLUSH_COHERENT_LINES); /* * Wa_1405543622:icl @@ -1270,10 +1276,9 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) * Wa_1405733216:icl * Formerly known as WaDisableCleanEvicts */ - ignore_wa_write_or(wal, - GEN8_L3SQCREG4, - GEN11_LQSC_CLEAN_EVICT_DISABLE, - GEN11_LQSC_CLEAN_EVICT_DISABLE); + wa_write_or(wal, + GEN8_L3SQCREG4, + GEN11_LQSC_CLEAN_EVICT_DISABLE); /* WaForwardProgressSoftReset:icl */ wa_write_or(wal, @@ -1292,6 +1297,12 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) wa_write_or(wal, GEN7_SARCHKMD, GEN7_DISABLE_SAMPLER_PREFETCH); + + /* Wa_1409178092:icl */ + wa_write_masked_or(wal, + GEN11_SCRATCH2, + GEN11_COHERENT_PARTIAL_WRITE_MERGE_ENABLE, + 0); } if (IS_GEN_RANGE(i915, 9, 11)) { @@ -1360,7 +1371,7 @@ engine_init_workarounds(struct intel_engine_cs *engine, struct i915_wa_list *wal if (I915_SELFTEST_ONLY(INTEL_GEN(engine->i915) < 8)) return; - if (engine->id == RCS0) + if (engine->class == RENDER_CLASS) rcs_engine_wa_init(engine, wal); else xcs_engine_wa_init(engine, wal); @@ -1370,10 +1381,10 @@ void intel_engine_init_workarounds(struct intel_engine_cs *engine) { struct i915_wa_list *wal = &engine->wa_list; - if (GEM_WARN_ON(INTEL_GEN(engine->i915) < 8)) + if (INTEL_GEN(engine->i915) < 8) return; - wa_init_start(wal, engine->name); + wa_init_start(wal, "engine", engine->name); engine_init_workarounds(engine, wal); wa_init_finish(wal); } @@ -1416,26 +1427,50 @@ err_obj: return ERR_PTR(err); } +static bool mcr_range(struct drm_i915_private *i915, u32 offset) +{ + /* + * Registers in this range are affected by the MCR selector + * which only controls CPU initiated MMIO. Routing does not + * work for CS access so we cannot verify them on this path. + */ + if (INTEL_GEN(i915) >= 8 && (offset >= 0xb100 && offset <= 0xb3ff)) + return true; + + return false; +} + static int wa_list_srm(struct i915_request *rq, const struct i915_wa_list *wal, struct i915_vma *vma) { + struct drm_i915_private *i915 = rq->i915; + unsigned int i, count = 0; const struct i915_wa *wa; - unsigned int i; u32 srm, *cs; srm = MI_STORE_REGISTER_MEM | MI_SRM_LRM_GLOBAL_GTT; - if (INTEL_GEN(rq->i915) >= 8) + if (INTEL_GEN(i915) >= 8) srm++; - cs = intel_ring_begin(rq, 4 * wal->count); + for (i = 0, wa = wal->list; i < wal->count; i++, wa++) { + if (!mcr_range(i915, i915_mmio_reg_offset(wa->reg))) + count++; + } + + cs = intel_ring_begin(rq, 4 * count); if (IS_ERR(cs)) return PTR_ERR(cs); for (i = 0, wa = wal->list; i < wal->count; i++, wa++) { + u32 offset = i915_mmio_reg_offset(wa->reg); + + if (mcr_range(i915, offset)) + continue; + *cs++ = srm; - *cs++ = i915_mmio_reg_offset(wa->reg); + *cs++ = offset; *cs++ = i915_ggtt_offset(vma) + sizeof(u32) * i; *cs++ = 0; } @@ -1458,7 +1493,7 @@ static int engine_wa_list_verify(struct intel_context *ce, if (!wal->count) return 0; - vma = create_scratch(&ce->engine->i915->ggtt.vm, wal->count); + vma = create_scratch(&ce->engine->gt->ggtt->vm, wal->count); if (IS_ERR(vma)) return PTR_ERR(vma); @@ -1485,9 +1520,13 @@ static int engine_wa_list_verify(struct intel_context *ce, } err = 0; - for (i = 0, wa = wal->list; i < wal->count; i++, wa++) + for (i = 0, wa = wal->list; i < wal->count; i++, wa++) { + if (mcr_range(rq->i915, i915_mmio_reg_offset(wa->reg))) + continue; + if (!wa_verify(wa, results[i], wal->name, from)) err = -ENXIO; + } i915_gem_object_unpin_map(vma->obj); diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.h b/drivers/gpu/drm/i915/gt/intel_workarounds.h index 3761a6ee58bb..8c9c769c2204 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.h +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.h @@ -14,6 +14,7 @@ struct drm_i915_private; struct i915_request; struct intel_engine_cs; +struct intel_gt; static inline void intel_wa_list_free(struct i915_wa_list *wal) { @@ -25,9 +26,8 @@ void intel_engine_init_ctx_wa(struct intel_engine_cs *engine); int intel_engine_emit_ctx_wa(struct i915_request *rq); void intel_gt_init_workarounds(struct drm_i915_private *i915); -void intel_gt_apply_workarounds(struct drm_i915_private *i915); -bool intel_gt_verify_workarounds(struct drm_i915_private *i915, - const char *from); +void intel_gt_apply_workarounds(struct intel_gt *gt); +bool intel_gt_verify_workarounds(struct intel_gt *gt, const char *from); void intel_engine_init_whitelist(struct intel_engine_cs *engine); void intel_engine_apply_whitelist(struct intel_engine_cs *engine); diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds_types.h b/drivers/gpu/drm/i915/gt/intel_workarounds_types.h index 42ac1fb99572..e27ab1b710b3 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds_types.h +++ b/drivers/gpu/drm/i915/gt/intel_workarounds_types.h @@ -20,6 +20,7 @@ struct i915_wa { struct i915_wa_list { const char *name; + const char *engine_name; struct i915_wa *list; unsigned int count; unsigned int wa_count; diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c b/drivers/gpu/drm/i915/gt/mock_engine.c index 486c6953dcb1..10cb312462e5 100644 --- a/drivers/gpu/drm/i915/gt/mock_engine.c +++ b/drivers/gpu/drm/i915/gt/mock_engine.c @@ -33,15 +33,15 @@ struct mock_ring { struct intel_ring base; - struct i915_timeline timeline; + struct intel_timeline timeline; }; -static void mock_timeline_pin(struct i915_timeline *tl) +static void mock_timeline_pin(struct intel_timeline *tl) { tl->pin_count++; } -static void mock_timeline_unpin(struct i915_timeline *tl) +static void mock_timeline_unpin(struct intel_timeline *tl) { GEM_BUG_ON(!tl->pin_count); tl->pin_count--; @@ -56,7 +56,7 @@ static struct intel_ring *mock_ring(struct intel_engine_cs *engine) if (!ring) return NULL; - if (i915_timeline_init(engine->i915, &ring->timeline, NULL)) { + if (intel_timeline_init(&ring->timeline, engine->gt, NULL)) { kfree(ring); return NULL; } @@ -78,7 +78,7 @@ static void mock_ring_free(struct intel_ring *base) { struct mock_ring *ring = container_of(base, typeof(*ring), base); - i915_timeline_fini(&ring->timeline); + intel_timeline_fini(&ring->timeline); kfree(ring); } @@ -142,6 +142,7 @@ static void mock_context_destroy(struct kref *ref) if (ce->ring) mock_ring_free(ce->ring); + intel_context_fini(ce); intel_context_free(ce); } @@ -155,7 +156,7 @@ static int mock_context_pin(struct intel_context *ce) return -ENOMEM; } - ret = intel_context_active_acquire(ce, PIN_HIGH); + ret = intel_context_active_acquire(ce); if (ret) return ret; @@ -257,6 +258,7 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, /* minimal engine setup for requests */ engine->base.i915 = i915; + engine->base.gt = &i915->gt; snprintf(engine->base.name, sizeof(engine->base.name), "%s", name); engine->base.id = id; engine->base.mask = BIT(id); diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c index 1ee4c923044f..4484b4447db1 100644 --- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c +++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c @@ -25,13 +25,13 @@ #include <linux/kthread.h> #include "gem/i915_gem_context.h" +#include "gt/intel_gt.h" #include "intel_engine_pm.h" #include "i915_selftest.h" #include "selftests/i915_random.h" #include "selftests/igt_flush_test.h" #include "selftests/igt_reset.h" -#include "selftests/igt_wedge_me.h" #include "selftests/igt_atomic.h" #include "selftests/mock_drm.h" @@ -42,7 +42,7 @@ #define IGT_IDLE_TIMEOUT 50 /* ms; time to wait after flushing between tests */ struct hang { - struct drm_i915_private *i915; + struct intel_gt *gt; struct drm_i915_gem_object *hws; struct drm_i915_gem_object *obj; struct i915_gem_context *ctx; @@ -50,27 +50,27 @@ struct hang { u32 *batch; }; -static int hang_init(struct hang *h, struct drm_i915_private *i915) +static int hang_init(struct hang *h, struct intel_gt *gt) { void *vaddr; int err; memset(h, 0, sizeof(*h)); - h->i915 = i915; + h->gt = gt; - h->ctx = kernel_context(i915); + h->ctx = kernel_context(gt->i915); if (IS_ERR(h->ctx)) return PTR_ERR(h->ctx); GEM_BUG_ON(i915_gem_context_is_bannable(h->ctx)); - h->hws = i915_gem_object_create_internal(i915, PAGE_SIZE); + h->hws = i915_gem_object_create_internal(gt->i915, PAGE_SIZE); if (IS_ERR(h->hws)) { err = PTR_ERR(h->hws); goto err_ctx; } - h->obj = i915_gem_object_create_internal(i915, PAGE_SIZE); + h->obj = i915_gem_object_create_internal(gt->i915, PAGE_SIZE); if (IS_ERR(h->obj)) { err = PTR_ERR(h->obj); goto err_hws; @@ -85,7 +85,7 @@ static int hang_init(struct hang *h, struct drm_i915_private *i915) h->seqno = memset(vaddr, 0xff, PAGE_SIZE); vaddr = i915_gem_object_pin_map(h->obj, - i915_coherent_map_type(i915)); + i915_coherent_map_type(gt->i915)); if (IS_ERR(vaddr)) { err = PTR_ERR(vaddr); goto err_unpin_hws; @@ -127,35 +127,31 @@ static int move_to_active(struct i915_vma *vma, static struct i915_request * hang_create_request(struct hang *h, struct intel_engine_cs *engine) { - struct drm_i915_private *i915 = h->i915; - struct i915_address_space *vm = h->ctx->vm ?: &i915->ggtt.vm; + struct intel_gt *gt = h->gt; + struct i915_address_space *vm = h->ctx->vm ?: &engine->gt->ggtt->vm; + struct drm_i915_gem_object *obj; struct i915_request *rq = NULL; struct i915_vma *hws, *vma; unsigned int flags; + void *vaddr; u32 *batch; int err; - if (i915_gem_object_is_active(h->obj)) { - struct drm_i915_gem_object *obj; - void *vaddr; - - obj = i915_gem_object_create_internal(h->i915, PAGE_SIZE); - if (IS_ERR(obj)) - return ERR_CAST(obj); + obj = i915_gem_object_create_internal(gt->i915, PAGE_SIZE); + if (IS_ERR(obj)) + return ERR_CAST(obj); - vaddr = i915_gem_object_pin_map(obj, - i915_coherent_map_type(h->i915)); - if (IS_ERR(vaddr)) { - i915_gem_object_put(obj); - return ERR_CAST(vaddr); - } + vaddr = i915_gem_object_pin_map(obj, i915_coherent_map_type(gt->i915)); + if (IS_ERR(vaddr)) { + i915_gem_object_put(obj); + return ERR_CAST(vaddr); + } - i915_gem_object_unpin_map(h->obj); - i915_gem_object_put(h->obj); + i915_gem_object_unpin_map(h->obj); + i915_gem_object_put(h->obj); - h->obj = obj; - h->batch = vaddr; - } + h->obj = obj; + h->batch = vaddr; vma = i915_vma_instance(h->obj, vm, NULL); if (IS_ERR(vma)) @@ -188,7 +184,7 @@ hang_create_request(struct hang *h, struct intel_engine_cs *engine) goto cancel_rq; batch = h->batch; - if (INTEL_GEN(i915) >= 8) { + if (INTEL_GEN(gt->i915) >= 8) { *batch++ = MI_STORE_DWORD_IMM_GEN4; *batch++ = lower_32_bits(hws_address(hws, rq)); *batch++ = upper_32_bits(hws_address(hws, rq)); @@ -202,7 +198,7 @@ hang_create_request(struct hang *h, struct intel_engine_cs *engine) *batch++ = MI_BATCH_BUFFER_START | 1 << 8 | 1; *batch++ = lower_32_bits(vma->node.start); *batch++ = upper_32_bits(vma->node.start); - } else if (INTEL_GEN(i915) >= 6) { + } else if (INTEL_GEN(gt->i915) >= 6) { *batch++ = MI_STORE_DWORD_IMM_GEN4; *batch++ = 0; *batch++ = lower_32_bits(hws_address(hws, rq)); @@ -215,7 +211,7 @@ hang_create_request(struct hang *h, struct intel_engine_cs *engine) *batch++ = MI_ARB_CHECK; *batch++ = MI_BATCH_BUFFER_START | 1 << 8; *batch++ = lower_32_bits(vma->node.start); - } else if (INTEL_GEN(i915) >= 4) { + } else if (INTEL_GEN(gt->i915) >= 4) { *batch++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT; *batch++ = 0; *batch++ = lower_32_bits(hws_address(hws, rq)); @@ -242,7 +238,7 @@ hang_create_request(struct hang *h, struct intel_engine_cs *engine) *batch++ = lower_32_bits(vma->node.start); } *batch++ = MI_BATCH_BUFFER_END; /* not reached */ - i915_gem_chipset_flush(h->i915); + intel_gt_chipset_flush(engine->gt); if (rq->engine->emit_init_breadcrumb) { err = rq->engine->emit_init_breadcrumb(rq); @@ -251,7 +247,7 @@ hang_create_request(struct hang *h, struct intel_engine_cs *engine) } flags = 0; - if (INTEL_GEN(vm->i915) <= 5) + if (INTEL_GEN(gt->i915) <= 5) flags |= I915_DISPATCH_SECURE; err = rq->engine->emit_bb_start(rq, vma->node.start, PAGE_SIZE, flags); @@ -276,7 +272,7 @@ static u32 hws_seqno(const struct hang *h, const struct i915_request *rq) static void hang_fini(struct hang *h) { *h->batch = MI_BATCH_BUFFER_END; - i915_gem_chipset_flush(h->i915); + intel_gt_chipset_flush(h->gt); i915_gem_object_unpin_map(h->obj); i915_gem_object_put(h->obj); @@ -286,7 +282,7 @@ static void hang_fini(struct hang *h) kernel_context_close(h->ctx); - igt_flush_test(h->i915, I915_WAIT_LOCKED); + igt_flush_test(h->gt->i915, I915_WAIT_LOCKED); } static bool wait_until_running(struct hang *h, struct i915_request *rq) @@ -301,7 +297,7 @@ static bool wait_until_running(struct hang *h, struct i915_request *rq) static int igt_hang_sanitycheck(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; struct i915_request *rq; struct intel_engine_cs *engine; enum intel_engine_id id; @@ -310,13 +306,13 @@ static int igt_hang_sanitycheck(void *arg) /* Basic check that we can execute our hanging batch */ - mutex_lock(&i915->drm.struct_mutex); - err = hang_init(&h, i915); + mutex_lock(>->i915->drm.struct_mutex); + err = hang_init(&h, gt); if (err) goto unlock; - for_each_engine(engine, i915, id) { - struct igt_wedge_me w; + for_each_engine(engine, gt->i915, id) { + struct intel_wedge_me w; long timeout; if (!intel_engine_can_store_dword(engine)) @@ -333,15 +329,15 @@ static int igt_hang_sanitycheck(void *arg) i915_request_get(rq); *h.batch = MI_BATCH_BUFFER_END; - i915_gem_chipset_flush(i915); + intel_gt_chipset_flush(engine->gt); i915_request_add(rq); timeout = 0; - igt_wedge_on_timeout(&w, i915, HZ / 10 /* 100ms timeout*/) + intel_wedge_on_timeout(&w, gt, HZ / 10 /* 100ms */) timeout = i915_request_wait(rq, 0, MAX_SCHEDULE_TIMEOUT); - if (i915_reset_failed(i915)) + if (intel_gt_is_wedged(gt)) timeout = -EIO; i915_request_put(rq); @@ -357,7 +353,7 @@ static int igt_hang_sanitycheck(void *arg) fini: hang_fini(&h); unlock: - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); return err; } @@ -368,37 +364,37 @@ static bool wait_for_idle(struct intel_engine_cs *engine) static int igt_reset_nop(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; + struct i915_gpu_error *global = >->i915->gpu_error; struct intel_engine_cs *engine; struct i915_gem_context *ctx; unsigned int reset_count, count; enum intel_engine_id id; - intel_wakeref_t wakeref; struct drm_file *file; IGT_TIMEOUT(end_time); int err = 0; /* Check that we can reset during non-user portions of requests */ - file = mock_file(i915); + file = mock_file(gt->i915); if (IS_ERR(file)) return PTR_ERR(file); - mutex_lock(&i915->drm.struct_mutex); - ctx = live_context(i915, file); - mutex_unlock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); + ctx = live_context(gt->i915, file); + mutex_unlock(>->i915->drm.struct_mutex); if (IS_ERR(ctx)) { err = PTR_ERR(ctx); goto out; } i915_gem_context_clear_bannable(ctx); - wakeref = intel_runtime_pm_get(&i915->runtime_pm); - reset_count = i915_reset_count(&i915->gpu_error); + reset_count = i915_reset_count(global); count = 0; do { - mutex_lock(&i915->drm.struct_mutex); - for_each_engine(engine, i915, id) { + mutex_lock(>->i915->drm.struct_mutex); + + for_each_engine(engine, gt->i915, id) { int i; for (i = 0; i < 16; i++) { @@ -413,82 +409,78 @@ static int igt_reset_nop(void *arg) i915_request_add(rq); } } - mutex_unlock(&i915->drm.struct_mutex); - igt_global_reset_lock(i915); - i915_reset(i915, ALL_ENGINES, NULL); - igt_global_reset_unlock(i915); - if (i915_reset_failed(i915)) { + igt_global_reset_lock(gt); + intel_gt_reset(gt, ALL_ENGINES, NULL); + igt_global_reset_unlock(gt); + + mutex_unlock(>->i915->drm.struct_mutex); + if (intel_gt_is_wedged(gt)) { err = -EIO; break; } - if (i915_reset_count(&i915->gpu_error) != - reset_count + ++count) { + if (i915_reset_count(global) != reset_count + ++count) { pr_err("Full GPU reset not recorded!\n"); err = -EINVAL; break; } - err = igt_flush_test(i915, 0); + err = igt_flush_test(gt->i915, 0); if (err) break; } while (time_before(jiffies, end_time)); pr_info("%s: %d resets\n", __func__, count); - mutex_lock(&i915->drm.struct_mutex); - err = igt_flush_test(i915, I915_WAIT_LOCKED); - mutex_unlock(&i915->drm.struct_mutex); - - intel_runtime_pm_put(&i915->runtime_pm, wakeref); + mutex_lock(>->i915->drm.struct_mutex); + err = igt_flush_test(gt->i915, I915_WAIT_LOCKED); + mutex_unlock(>->i915->drm.struct_mutex); out: - mock_file_free(i915, file); - if (i915_reset_failed(i915)) + mock_file_free(gt->i915, file); + if (intel_gt_is_wedged(gt)) err = -EIO; return err; } static int igt_reset_nop_engine(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; + struct i915_gpu_error *global = >->i915->gpu_error; struct intel_engine_cs *engine; struct i915_gem_context *ctx; enum intel_engine_id id; - intel_wakeref_t wakeref; struct drm_file *file; int err = 0; /* Check that we can engine-reset during non-user portions */ - if (!intel_has_reset_engine(i915)) + if (!intel_has_reset_engine(gt->i915)) return 0; - file = mock_file(i915); + file = mock_file(gt->i915); if (IS_ERR(file)) return PTR_ERR(file); - mutex_lock(&i915->drm.struct_mutex); - ctx = live_context(i915, file); - mutex_unlock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); + ctx = live_context(gt->i915, file); + mutex_unlock(>->i915->drm.struct_mutex); if (IS_ERR(ctx)) { err = PTR_ERR(ctx); goto out; } i915_gem_context_clear_bannable(ctx); - wakeref = intel_runtime_pm_get(&i915->runtime_pm); - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { unsigned int reset_count, reset_engine_count; unsigned int count; IGT_TIMEOUT(end_time); - reset_count = i915_reset_count(&i915->gpu_error); - reset_engine_count = i915_reset_engine_count(&i915->gpu_error, - engine); + reset_count = i915_reset_count(global); + reset_engine_count = i915_reset_engine_count(global, engine); count = 0; - set_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + set_bit(I915_RESET_ENGINE + id, >->reset.flags); do { int i; @@ -499,7 +491,7 @@ static int igt_reset_nop_engine(void *arg) break; } - mutex_lock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); for (i = 0; i < 16; i++) { struct i915_request *rq; @@ -511,21 +503,20 @@ static int igt_reset_nop_engine(void *arg) i915_request_add(rq); } - mutex_unlock(&i915->drm.struct_mutex); - - err = i915_reset_engine(engine, NULL); + err = intel_engine_reset(engine, NULL); + mutex_unlock(>->i915->drm.struct_mutex); if (err) { pr_err("i915_reset_engine failed\n"); break; } - if (i915_reset_count(&i915->gpu_error) != reset_count) { + if (i915_reset_count(global) != reset_count) { pr_err("Full GPU reset recorded! (engine reset expected)\n"); err = -EINVAL; break; } - if (i915_reset_engine_count(&i915->gpu_error, engine) != + if (i915_reset_engine_count(global, engine) != reset_engine_count + ++count) { pr_err("%s engine reset not recorded!\n", engine->name); @@ -533,31 +524,31 @@ static int igt_reset_nop_engine(void *arg) break; } } while (time_before(jiffies, end_time)); - clear_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + clear_bit(I915_RESET_ENGINE + id, >->reset.flags); pr_info("%s(%s): %d resets\n", __func__, engine->name, count); if (err) break; - err = igt_flush_test(i915, 0); + err = igt_flush_test(gt->i915, 0); if (err) break; } - mutex_lock(&i915->drm.struct_mutex); - err = igt_flush_test(i915, I915_WAIT_LOCKED); - mutex_unlock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); + err = igt_flush_test(gt->i915, I915_WAIT_LOCKED); + mutex_unlock(>->i915->drm.struct_mutex); - intel_runtime_pm_put(&i915->runtime_pm, wakeref); out: - mock_file_free(i915, file); - if (i915_reset_failed(i915)) + mock_file_free(gt->i915, file); + if (intel_gt_is_wedged(gt)) err = -EIO; return err; } -static int __igt_reset_engine(struct drm_i915_private *i915, bool active) +static int __igt_reset_engine(struct intel_gt *gt, bool active) { + struct i915_gpu_error *global = >->i915->gpu_error; struct intel_engine_cs *engine; enum intel_engine_id id; struct hang h; @@ -565,18 +556,18 @@ static int __igt_reset_engine(struct drm_i915_private *i915, bool active) /* Check that we can issue an engine reset on an idle engine (no-op) */ - if (!intel_has_reset_engine(i915)) + if (!intel_has_reset_engine(gt->i915)) return 0; if (active) { - mutex_lock(&i915->drm.struct_mutex); - err = hang_init(&h, i915); - mutex_unlock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); + err = hang_init(&h, gt); + mutex_unlock(>->i915->drm.struct_mutex); if (err) return err; } - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { unsigned int reset_count, reset_engine_count; IGT_TIMEOUT(end_time); @@ -590,30 +581,29 @@ static int __igt_reset_engine(struct drm_i915_private *i915, bool active) break; } - reset_count = i915_reset_count(&i915->gpu_error); - reset_engine_count = i915_reset_engine_count(&i915->gpu_error, - engine); + reset_count = i915_reset_count(global); + reset_engine_count = i915_reset_engine_count(global, engine); intel_engine_pm_get(engine); - set_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + set_bit(I915_RESET_ENGINE + id, >->reset.flags); do { if (active) { struct i915_request *rq; - mutex_lock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); rq = hang_create_request(&h, engine); if (IS_ERR(rq)) { err = PTR_ERR(rq); - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); break; } i915_request_get(rq); i915_request_add(rq); - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); if (!wait_until_running(&h, rq)) { - struct drm_printer p = drm_info_printer(i915->drm.dev); + struct drm_printer p = drm_info_printer(gt->i915->drm.dev); pr_err("%s: Failed to start request %llx, at %x\n", __func__, rq->fence.seqno, hws_seqno(&h, rq)); @@ -628,19 +618,19 @@ static int __igt_reset_engine(struct drm_i915_private *i915, bool active) i915_request_put(rq); } - err = i915_reset_engine(engine, NULL); + err = intel_engine_reset(engine, NULL); if (err) { pr_err("i915_reset_engine failed\n"); break; } - if (i915_reset_count(&i915->gpu_error) != reset_count) { + if (i915_reset_count(global) != reset_count) { pr_err("Full GPU reset recorded! (engine reset expected)\n"); err = -EINVAL; break; } - if (i915_reset_engine_count(&i915->gpu_error, engine) != + if (i915_reset_engine_count(global, engine) != ++reset_engine_count) { pr_err("%s engine reset not recorded!\n", engine->name); @@ -648,24 +638,24 @@ static int __igt_reset_engine(struct drm_i915_private *i915, bool active) break; } } while (time_before(jiffies, end_time)); - clear_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + clear_bit(I915_RESET_ENGINE + id, >->reset.flags); intel_engine_pm_put(engine); if (err) break; - err = igt_flush_test(i915, 0); + err = igt_flush_test(gt->i915, 0); if (err) break; } - if (i915_reset_failed(i915)) + if (intel_gt_is_wedged(gt)) err = -EIO; if (active) { - mutex_lock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); hang_fini(&h); - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); } return err; @@ -707,7 +697,7 @@ static int active_request_put(struct i915_request *rq) rq->fence.seqno); GEM_TRACE_DUMP(); - i915_gem_set_wedged(rq->i915); + intel_gt_set_wedged(rq->engine->gt); err = -EIO; } @@ -784,10 +774,11 @@ err_file: return err; } -static int __igt_reset_engines(struct drm_i915_private *i915, +static int __igt_reset_engines(struct intel_gt *gt, const char *test_name, unsigned int flags) { + struct i915_gpu_error *global = >->i915->gpu_error; struct intel_engine_cs *engine, *other; enum intel_engine_id id, tmp; struct hang h; @@ -797,13 +788,13 @@ static int __igt_reset_engines(struct drm_i915_private *i915, * with any other engine. */ - if (!intel_has_reset_engine(i915)) + if (!intel_has_reset_engine(gt->i915)) return 0; if (flags & TEST_ACTIVE) { - mutex_lock(&i915->drm.struct_mutex); - err = hang_init(&h, i915); - mutex_unlock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); + err = hang_init(&h, gt); + mutex_unlock(>->i915->drm.struct_mutex); if (err) return err; @@ -811,9 +802,9 @@ static int __igt_reset_engines(struct drm_i915_private *i915, h.ctx->sched.priority = 1024; } - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { struct active_engine threads[I915_NUM_ENGINES] = {}; - unsigned long global = i915_reset_count(&i915->gpu_error); + unsigned long device = i915_reset_count(global); unsigned long count = 0, reported; IGT_TIMEOUT(end_time); @@ -829,12 +820,11 @@ static int __igt_reset_engines(struct drm_i915_private *i915, } memset(threads, 0, sizeof(threads)); - for_each_engine(other, i915, tmp) { + for_each_engine(other, gt->i915, tmp) { struct task_struct *tsk; threads[tmp].resets = - i915_reset_engine_count(&i915->gpu_error, - other); + i915_reset_engine_count(global, other); if (!(flags & TEST_OTHERS)) continue; @@ -857,25 +847,25 @@ static int __igt_reset_engines(struct drm_i915_private *i915, } intel_engine_pm_get(engine); - set_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + set_bit(I915_RESET_ENGINE + id, >->reset.flags); do { struct i915_request *rq = NULL; if (flags & TEST_ACTIVE) { - mutex_lock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); rq = hang_create_request(&h, engine); if (IS_ERR(rq)) { err = PTR_ERR(rq); - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); break; } i915_request_get(rq); i915_request_add(rq); - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); if (!wait_until_running(&h, rq)) { - struct drm_printer p = drm_info_printer(i915->drm.dev); + struct drm_printer p = drm_info_printer(gt->i915->drm.dev); pr_err("%s: Failed to start request %llx, at %x\n", __func__, rq->fence.seqno, hws_seqno(&h, rq)); @@ -888,7 +878,7 @@ static int __igt_reset_engines(struct drm_i915_private *i915, } } - err = i915_reset_engine(engine, NULL); + err = intel_engine_reset(engine, NULL); if (err) { pr_err("i915_reset_engine(%s:%s): failed, err=%d\n", engine->name, test_name, err); @@ -900,7 +890,7 @@ static int __igt_reset_engines(struct drm_i915_private *i915, if (rq) { if (i915_request_wait(rq, 0, HZ / 5) < 0) { struct drm_printer p = - drm_info_printer(i915->drm.dev); + drm_info_printer(gt->i915->drm.dev); pr_err("i915_reset_engine(%s:%s):" " failed to complete request after reset\n", @@ -910,7 +900,7 @@ static int __igt_reset_engines(struct drm_i915_private *i915, i915_request_put(rq); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); err = -EIO; break; } @@ -920,7 +910,7 @@ static int __igt_reset_engines(struct drm_i915_private *i915, if (!(flags & TEST_SELF) && !wait_for_idle(engine)) { struct drm_printer p = - drm_info_printer(i915->drm.dev); + drm_info_printer(gt->i915->drm.dev); pr_err("i915_reset_engine(%s:%s):" " failed to idle after reset\n", @@ -932,12 +922,12 @@ static int __igt_reset_engines(struct drm_i915_private *i915, break; } } while (time_before(jiffies, end_time)); - clear_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + clear_bit(I915_RESET_ENGINE + id, >->reset.flags); intel_engine_pm_put(engine); pr_info("i915_reset_engine(%s:%s): %lu resets\n", engine->name, test_name, count); - reported = i915_reset_engine_count(&i915->gpu_error, engine); + reported = i915_reset_engine_count(global, engine); reported -= threads[engine->id].resets; if (reported != count) { pr_err("i915_reset_engine(%s:%s): reset %lu times, but reported %lu\n", @@ -947,7 +937,7 @@ static int __igt_reset_engines(struct drm_i915_private *i915, } unwind: - for_each_engine(other, i915, tmp) { + for_each_engine(other, gt->i915, tmp) { int ret; if (!threads[tmp].task) @@ -962,22 +952,21 @@ unwind: } put_task_struct(threads[tmp].task); - if (other != engine && + if (other->uabi_class != engine->uabi_class && threads[tmp].resets != - i915_reset_engine_count(&i915->gpu_error, other)) { + i915_reset_engine_count(global, other)) { pr_err("Innocent engine %s was reset (count=%ld)\n", other->name, - i915_reset_engine_count(&i915->gpu_error, - other) - + i915_reset_engine_count(global, other) - threads[tmp].resets); if (!err) err = -EINVAL; } } - if (global != i915_reset_count(&i915->gpu_error)) { + if (device != i915_reset_count(global)) { pr_err("Global reset (count=%ld)!\n", - i915_reset_count(&i915->gpu_error) - global); + i915_reset_count(global) - device); if (!err) err = -EINVAL; } @@ -985,20 +974,20 @@ unwind: if (err) break; - mutex_lock(&i915->drm.struct_mutex); - err = igt_flush_test(i915, I915_WAIT_LOCKED); - mutex_unlock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); + err = igt_flush_test(gt->i915, I915_WAIT_LOCKED); + mutex_unlock(>->i915->drm.struct_mutex); if (err) break; } - if (i915_reset_failed(i915)) + if (intel_gt_is_wedged(gt)) err = -EIO; if (flags & TEST_ACTIVE) { - mutex_lock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); hang_fini(&h); - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); } return err; @@ -1024,13 +1013,13 @@ static int igt_reset_engines(void *arg) }, { } }; - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; typeof(*phases) *p; int err; for (p = phases; p->name; p++) { if (p->flags & TEST_PRIORITY) { - if (!(i915->caps.scheduler & I915_SCHEDULER_CAP_PRIORITY)) + if (!(gt->i915->caps.scheduler & I915_SCHEDULER_CAP_PRIORITY)) continue; } @@ -1042,38 +1031,39 @@ static int igt_reset_engines(void *arg) return 0; } -static u32 fake_hangcheck(struct drm_i915_private *i915, - intel_engine_mask_t mask) +static u32 fake_hangcheck(struct intel_gt *gt, intel_engine_mask_t mask) { - u32 count = i915_reset_count(&i915->gpu_error); + u32 count = i915_reset_count(>->i915->gpu_error); - i915_reset(i915, mask, NULL); + intel_gt_reset(gt, mask, NULL); return count; } static int igt_reset_wait(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; + struct i915_gpu_error *global = >->i915->gpu_error; + struct intel_engine_cs *engine = gt->i915->engine[RCS0]; struct i915_request *rq; unsigned int reset_count; struct hang h; long timeout; int err; - if (!intel_engine_can_store_dword(i915->engine[RCS0])) + if (!engine || !intel_engine_can_store_dword(engine)) return 0; /* Check that we detect a stuck waiter and issue a reset */ - igt_global_reset_lock(i915); + igt_global_reset_lock(gt); - mutex_lock(&i915->drm.struct_mutex); - err = hang_init(&h, i915); + mutex_lock(>->i915->drm.struct_mutex); + err = hang_init(&h, gt); if (err) goto unlock; - rq = hang_create_request(&h, i915->engine[RCS0]); + rq = hang_create_request(&h, engine); if (IS_ERR(rq)) { err = PTR_ERR(rq); goto fini; @@ -1083,19 +1073,19 @@ static int igt_reset_wait(void *arg) i915_request_add(rq); if (!wait_until_running(&h, rq)) { - struct drm_printer p = drm_info_printer(i915->drm.dev); + struct drm_printer p = drm_info_printer(gt->i915->drm.dev); pr_err("%s: Failed to start request %llx, at %x\n", __func__, rq->fence.seqno, hws_seqno(&h, rq)); intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); err = -EIO; goto out_rq; } - reset_count = fake_hangcheck(i915, ALL_ENGINES); + reset_count = fake_hangcheck(gt, ALL_ENGINES); timeout = i915_request_wait(rq, 0, 10); if (timeout < 0) { @@ -1105,7 +1095,7 @@ static int igt_reset_wait(void *arg) goto out_rq; } - if (i915_reset_count(&i915->gpu_error) == reset_count) { + if (i915_reset_count(global) == reset_count) { pr_err("No GPU reset recorded!\n"); err = -EINVAL; goto out_rq; @@ -1116,10 +1106,10 @@ out_rq: fini: hang_fini(&h); unlock: - mutex_unlock(&i915->drm.struct_mutex); - igt_global_reset_unlock(i915); + mutex_unlock(>->i915->drm.struct_mutex); + igt_global_reset_unlock(gt); - if (i915_reset_failed(i915)) + if (intel_gt_is_wedged(gt)) return -EIO; return err; @@ -1178,11 +1168,12 @@ out_unlock: return err; } -static int __igt_reset_evict_vma(struct drm_i915_private *i915, +static int __igt_reset_evict_vma(struct intel_gt *gt, struct i915_address_space *vm, int (*fn)(void *), unsigned int flags) { + struct intel_engine_cs *engine = gt->i915->engine[RCS0]; struct drm_i915_gem_object *obj; struct task_struct *tsk = NULL; struct i915_request *rq; @@ -1190,17 +1181,17 @@ static int __igt_reset_evict_vma(struct drm_i915_private *i915, struct hang h; int err; - if (!intel_engine_can_store_dword(i915->engine[RCS0])) + if (!engine || !intel_engine_can_store_dword(engine)) return 0; /* Check that we can recover an unbind stuck on a hanging request */ - mutex_lock(&i915->drm.struct_mutex); - err = hang_init(&h, i915); + mutex_lock(>->i915->drm.struct_mutex); + err = hang_init(&h, gt); if (err) goto unlock; - obj = i915_gem_object_create_internal(i915, SZ_1M); + obj = i915_gem_object_create_internal(gt->i915, SZ_1M); if (IS_ERR(obj)) { err = PTR_ERR(obj); goto fini; @@ -1220,7 +1211,7 @@ static int __igt_reset_evict_vma(struct drm_i915_private *i915, goto out_obj; } - rq = hang_create_request(&h, i915->engine[RCS0]); + rq = hang_create_request(&h, engine); if (IS_ERR(rq)) { err = PTR_ERR(rq); goto out_obj; @@ -1258,16 +1249,16 @@ static int __igt_reset_evict_vma(struct drm_i915_private *i915, if (err) goto out_rq; - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); if (!wait_until_running(&h, rq)) { - struct drm_printer p = drm_info_printer(i915->drm.dev); + struct drm_printer p = drm_info_printer(gt->i915->drm.dev); pr_err("%s: Failed to start request %llx, at %x\n", __func__, rq->fence.seqno, hws_seqno(&h, rq)); intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); goto out_reset; } @@ -1284,31 +1275,31 @@ static int __igt_reset_evict_vma(struct drm_i915_private *i915, wait_for_completion(&arg.completion); if (wait_for(!list_empty(&rq->fence.cb_list), 10)) { - struct drm_printer p = drm_info_printer(i915->drm.dev); + struct drm_printer p = drm_info_printer(gt->i915->drm.dev); pr_err("igt/evict_vma kthread did not wait\n"); intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); goto out_reset; } out_reset: - igt_global_reset_lock(i915); - fake_hangcheck(rq->i915, rq->engine->mask); - igt_global_reset_unlock(i915); + igt_global_reset_lock(gt); + fake_hangcheck(gt, rq->engine->mask); + igt_global_reset_unlock(gt); if (tsk) { - struct igt_wedge_me w; + struct intel_wedge_me w; /* The reset, even indirectly, should take less than 10ms. */ - igt_wedge_on_timeout(&w, i915, HZ / 10 /* 100ms timeout*/) + intel_wedge_on_timeout(&w, gt, HZ / 10 /* 100ms */) err = kthread_stop(tsk); put_task_struct(tsk); } - mutex_lock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); out_rq: i915_request_put(rq); out_obj: @@ -1316,9 +1307,9 @@ out_obj: fini: hang_fini(&h); unlock: - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); - if (i915_reset_failed(i915)) + if (intel_gt_is_wedged(gt)) return -EIO; return err; @@ -1326,26 +1317,26 @@ unlock: static int igt_reset_evict_ggtt(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; - return __igt_reset_evict_vma(i915, &i915->ggtt.vm, + return __igt_reset_evict_vma(gt, >->ggtt->vm, evict_vma, EXEC_OBJECT_WRITE); } static int igt_reset_evict_ppgtt(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; struct i915_gem_context *ctx; struct drm_file *file; int err; - file = mock_file(i915); + file = mock_file(gt->i915); if (IS_ERR(file)) return PTR_ERR(file); - mutex_lock(&i915->drm.struct_mutex); - ctx = live_context(i915, file); - mutex_unlock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); + ctx = live_context(gt->i915, file); + mutex_unlock(>->i915->drm.struct_mutex); if (IS_ERR(ctx)) { err = PTR_ERR(ctx); goto out; @@ -1353,29 +1344,29 @@ static int igt_reset_evict_ppgtt(void *arg) err = 0; if (ctx->vm) /* aliasing == global gtt locking, covered above */ - err = __igt_reset_evict_vma(i915, ctx->vm, + err = __igt_reset_evict_vma(gt, ctx->vm, evict_vma, EXEC_OBJECT_WRITE); out: - mock_file_free(i915, file); + mock_file_free(gt->i915, file); return err; } static int igt_reset_evict_fence(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; - return __igt_reset_evict_vma(i915, &i915->ggtt.vm, + return __igt_reset_evict_vma(gt, >->ggtt->vm, evict_fence, EXEC_OBJECT_NEEDS_FENCE); } -static int wait_for_others(struct drm_i915_private *i915, +static int wait_for_others(struct intel_gt *gt, struct intel_engine_cs *exclude) { struct intel_engine_cs *engine; enum intel_engine_id id; - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { if (engine == exclude) continue; @@ -1388,7 +1379,8 @@ static int wait_for_others(struct drm_i915_private *i915, static int igt_reset_queue(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; + struct i915_gpu_error *global = >->i915->gpu_error; struct intel_engine_cs *engine; enum intel_engine_id id; struct hang h; @@ -1396,14 +1388,14 @@ static int igt_reset_queue(void *arg) /* Check that we replay pending requests following a hang */ - igt_global_reset_lock(i915); + igt_global_reset_lock(gt); - mutex_lock(&i915->drm.struct_mutex); - err = hang_init(&h, i915); + mutex_lock(>->i915->drm.struct_mutex); + err = hang_init(&h, gt); if (err) goto unlock; - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { struct i915_request *prev; IGT_TIMEOUT(end_time); unsigned int count; @@ -1444,7 +1436,7 @@ static int igt_reset_queue(void *arg) * (hangcheck), or we focus on resetting just one * engine and so avoid repeatedly resetting innocents. */ - err = wait_for_others(i915, engine); + err = wait_for_others(gt, engine); if (err) { pr_err("%s(%s): Failed to idle other inactive engines after device reset\n", __func__, engine->name); @@ -1452,12 +1444,12 @@ static int igt_reset_queue(void *arg) i915_request_put(prev); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); goto fini; } if (!wait_until_running(&h, prev)) { - struct drm_printer p = drm_info_printer(i915->drm.dev); + struct drm_printer p = drm_info_printer(gt->i915->drm.dev); pr_err("%s(%s): Failed to start request %llx, at %x\n", __func__, engine->name, @@ -1468,13 +1460,13 @@ static int igt_reset_queue(void *arg) i915_request_put(rq); i915_request_put(prev); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); err = -EIO; goto fini; } - reset_count = fake_hangcheck(i915, BIT(id)); + reset_count = fake_hangcheck(gt, BIT(id)); if (prev->fence.error != -EIO) { pr_err("GPU reset not recorded on hanging request [fence.error=%d]!\n", @@ -1494,7 +1486,7 @@ static int igt_reset_queue(void *arg) goto fini; } - if (i915_reset_count(&i915->gpu_error) == reset_count) { + if (i915_reset_count(global) == reset_count) { pr_err("No GPU reset recorded!\n"); i915_request_put(rq); i915_request_put(prev); @@ -1509,11 +1501,11 @@ static int igt_reset_queue(void *arg) pr_info("%s: Completed %d resets\n", engine->name, count); *h.batch = MI_BATCH_BUFFER_END; - i915_gem_chipset_flush(i915); + intel_gt_chipset_flush(engine->gt); i915_request_put(prev); - err = igt_flush_test(i915, I915_WAIT_LOCKED); + err = igt_flush_test(gt->i915, I915_WAIT_LOCKED); if (err) break; } @@ -1521,10 +1513,10 @@ static int igt_reset_queue(void *arg) fini: hang_fini(&h); unlock: - mutex_unlock(&i915->drm.struct_mutex); - igt_global_reset_unlock(i915); + mutex_unlock(>->i915->drm.struct_mutex); + igt_global_reset_unlock(gt); - if (i915_reset_failed(i915)) + if (intel_gt_is_wedged(gt)) return -EIO; return err; @@ -1532,8 +1524,9 @@ unlock: static int igt_handle_error(void *arg) { - struct drm_i915_private *i915 = arg; - struct intel_engine_cs *engine = i915->engine[RCS0]; + struct intel_gt *gt = arg; + struct i915_gpu_error *global = >->i915->gpu_error; + struct intel_engine_cs *engine = gt->i915->engine[RCS0]; struct hang h; struct i915_request *rq; struct i915_gpu_state *error; @@ -1541,15 +1534,15 @@ static int igt_handle_error(void *arg) /* Check that we can issue a global GPU and engine reset */ - if (!intel_has_reset_engine(i915)) + if (!intel_has_reset_engine(gt->i915)) return 0; if (!engine || !intel_engine_can_store_dword(engine)) return 0; - mutex_lock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); - err = hang_init(&h, i915); + err = hang_init(&h, gt); if (err) goto err_unlock; @@ -1563,28 +1556,28 @@ static int igt_handle_error(void *arg) i915_request_add(rq); if (!wait_until_running(&h, rq)) { - struct drm_printer p = drm_info_printer(i915->drm.dev); + struct drm_printer p = drm_info_printer(gt->i915->drm.dev); pr_err("%s: Failed to start request %llx, at %x\n", __func__, rq->fence.seqno, hws_seqno(&h, rq)); intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); err = -EIO; goto err_request; } - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); /* Temporarily disable error capture */ - error = xchg(&i915->gpu_error.first_error, (void *)-1); + error = xchg(&global->first_error, (void *)-1); - i915_handle_error(i915, engine->mask, 0, NULL); + intel_gt_handle_error(gt, engine->mask, 0, NULL); - xchg(&i915->gpu_error.first_error, error); + xchg(&global->first_error, error); - mutex_lock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); if (rq->fence.error != -EIO) { pr_err("Guilty request not identified!\n"); @@ -1597,7 +1590,7 @@ err_request: err_fini: hang_fini(&h); err_unlock: - mutex_unlock(&i915->drm.struct_mutex); + mutex_unlock(>->i915->drm.struct_mutex); return err; } @@ -1614,7 +1607,7 @@ static int __igt_atomic_reset_engine(struct intel_engine_cs *engine, tasklet_disable_nosync(t); p->critical_section_begin(); - err = i915_reset_engine(engine, NULL); + err = intel_engine_reset(engine, NULL); p->critical_section_end(); tasklet_enable(t); @@ -1629,7 +1622,6 @@ static int __igt_atomic_reset_engine(struct intel_engine_cs *engine, static int igt_atomic_reset_engine(struct intel_engine_cs *engine, const struct igt_atomic_section *p) { - struct drm_i915_private *i915 = engine->i915; struct i915_request *rq; struct hang h; int err; @@ -1638,7 +1630,7 @@ static int igt_atomic_reset_engine(struct intel_engine_cs *engine, if (err) return err; - err = hang_init(&h, i915); + err = hang_init(&h, engine->gt); if (err) return err; @@ -1657,16 +1649,16 @@ static int igt_atomic_reset_engine(struct intel_engine_cs *engine, pr_err("%s(%s): Failed to start request %llx, at %x\n", __func__, engine->name, rq->fence.seqno, hws_seqno(&h, rq)); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(engine->gt); err = -EIO; } if (err == 0) { - struct igt_wedge_me w; + struct intel_wedge_me w; - igt_wedge_on_timeout(&w, i915, HZ / 20 /* 50ms timeout*/) + intel_wedge_on_timeout(&w, engine->gt, HZ / 20 /* 50ms */) i915_request_wait(rq, 0, MAX_SCHEDULE_TIMEOUT); - if (i915_reset_failed(i915)) + if (intel_gt_is_wedged(engine->gt)) err = -EIO; } @@ -1678,30 +1670,30 @@ out: static int igt_reset_engines_atomic(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; const typeof(*igt_atomic_phases) *p; int err = 0; /* Check that the engines resets are usable from atomic context */ - if (!intel_has_reset_engine(i915)) + if (!intel_has_reset_engine(gt->i915)) return 0; - if (USES_GUC_SUBMISSION(i915)) + if (USES_GUC_SUBMISSION(gt->i915)) return 0; - igt_global_reset_lock(i915); - mutex_lock(&i915->drm.struct_mutex); + igt_global_reset_lock(gt); + mutex_lock(>->i915->drm.struct_mutex); /* Flush any requests before we get started and check basics */ - if (!igt_force_reset(i915)) + if (!igt_force_reset(gt)) goto unlock; for (p = igt_atomic_phases; p->name; p++) { struct intel_engine_cs *engine; enum intel_engine_id id; - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { err = igt_atomic_reset_engine(engine, p); if (err) goto out; @@ -1710,11 +1702,11 @@ static int igt_reset_engines_atomic(void *arg) out: /* As we poke around the guts, do a full reset before continuing. */ - igt_force_reset(i915); + igt_force_reset(gt); unlock: - mutex_unlock(&i915->drm.struct_mutex); - igt_global_reset_unlock(i915); + mutex_unlock(>->i915->drm.struct_mutex); + igt_global_reset_unlock(gt); return err; } @@ -1736,28 +1728,29 @@ int intel_hangcheck_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_reset_evict_fence), SUBTEST(igt_handle_error), }; + struct intel_gt *gt = &i915->gt; intel_wakeref_t wakeref; bool saved_hangcheck; int err; - if (!intel_has_gpu_reset(i915)) + if (!intel_has_gpu_reset(gt->i915)) return 0; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(gt)) return -EIO; /* we're long past hope of a successful reset */ - wakeref = intel_runtime_pm_get(&i915->runtime_pm); + wakeref = intel_runtime_pm_get(>->i915->runtime_pm); saved_hangcheck = fetch_and_zero(&i915_modparams.enable_hangcheck); - drain_delayed_work(&i915->gpu_error.hangcheck_work); /* flush param */ + drain_delayed_work(>->hangcheck.work); /* flush param */ - err = i915_subtests(tests, i915); + err = intel_gt_live_subtests(tests, gt); - mutex_lock(&i915->drm.struct_mutex); - igt_flush_test(i915, I915_WAIT_LOCKED); - mutex_unlock(&i915->drm.struct_mutex); + mutex_lock(>->i915->drm.struct_mutex); + igt_flush_test(gt->i915, I915_WAIT_LOCKED); + mutex_unlock(>->i915->drm.struct_mutex); i915_modparams.enable_hangcheck = saved_hangcheck; - intel_runtime_pm_put(&i915->runtime_pm, wakeref); + intel_runtime_pm_put(>->i915->runtime_pm, wakeref); return err; } diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c index 401e8b539297..60f27e52d267 100644 --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c @@ -55,7 +55,7 @@ static int live_sanitycheck(void *arg) if (!igt_wait_for_spinner(&spin, rq)) { GEM_TRACE("spinner failed to start\n"); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_ctx; } @@ -73,12 +73,231 @@ err_ctx: err_spin: igt_spinner_fini(&spin); err_unlock: - igt_flush_test(i915, I915_WAIT_LOCKED); intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); return err; } +static int +emit_semaphore_chain(struct i915_request *rq, struct i915_vma *vma, int idx) +{ + u32 *cs; + + cs = intel_ring_begin(rq, 10); + if (IS_ERR(cs)) + return PTR_ERR(cs); + + *cs++ = MI_ARB_ON_OFF | MI_ARB_ENABLE; + + *cs++ = MI_SEMAPHORE_WAIT | + MI_SEMAPHORE_GLOBAL_GTT | + MI_SEMAPHORE_POLL | + MI_SEMAPHORE_SAD_NEQ_SDD; + *cs++ = 0; + *cs++ = i915_ggtt_offset(vma) + 4 * idx; + *cs++ = 0; + + if (idx > 0) { + *cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT; + *cs++ = i915_ggtt_offset(vma) + 4 * (idx - 1); + *cs++ = 0; + *cs++ = 1; + } else { + *cs++ = MI_NOOP; + *cs++ = MI_NOOP; + *cs++ = MI_NOOP; + *cs++ = MI_NOOP; + } + + *cs++ = MI_ARB_ON_OFF | MI_ARB_DISABLE; + + intel_ring_advance(rq, cs); + return 0; +} + +static struct i915_request * +semaphore_queue(struct intel_engine_cs *engine, struct i915_vma *vma, int idx) +{ + struct i915_gem_context *ctx; + struct i915_request *rq; + int err; + + ctx = kernel_context(engine->i915); + if (!ctx) + return ERR_PTR(-ENOMEM); + + rq = igt_request_alloc(ctx, engine); + if (IS_ERR(rq)) + goto out_ctx; + + err = emit_semaphore_chain(rq, vma, idx); + i915_request_add(rq); + if (err) + rq = ERR_PTR(err); + +out_ctx: + kernel_context_close(ctx); + return rq; +} + +static int +release_queue(struct intel_engine_cs *engine, + struct i915_vma *vma, + int idx) +{ + struct i915_sched_attr attr = { + .priority = I915_USER_PRIORITY(I915_PRIORITY_MAX), + }; + struct i915_request *rq; + u32 *cs; + + rq = i915_request_create(engine->kernel_context); + if (IS_ERR(rq)) + return PTR_ERR(rq); + + cs = intel_ring_begin(rq, 4); + if (IS_ERR(cs)) { + i915_request_add(rq); + return PTR_ERR(cs); + } + + *cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT; + *cs++ = i915_ggtt_offset(vma) + 4 * (idx - 1); + *cs++ = 0; + *cs++ = 1; + + intel_ring_advance(rq, cs); + i915_request_add(rq); + + engine->schedule(rq, &attr); + + return 0; +} + +static int +slice_semaphore_queue(struct intel_engine_cs *outer, + struct i915_vma *vma, + int count) +{ + struct intel_engine_cs *engine; + struct i915_request *head; + enum intel_engine_id id; + int err, i, n = 0; + + head = semaphore_queue(outer, vma, n++); + if (IS_ERR(head)) + return PTR_ERR(head); + + i915_request_get(head); + for_each_engine(engine, outer->i915, id) { + for (i = 0; i < count; i++) { + struct i915_request *rq; + + rq = semaphore_queue(engine, vma, n++); + if (IS_ERR(rq)) { + err = PTR_ERR(rq); + goto out; + } + } + } + + err = release_queue(outer, vma, n); + if (err) + goto out; + + if (i915_request_wait(head, + I915_WAIT_LOCKED, + 2 * RUNTIME_INFO(outer->i915)->num_engines * (count + 2) * (count + 3)) < 0) { + pr_err("Failed to slice along semaphore chain of length (%d, %d)!\n", + count, n); + GEM_TRACE_DUMP(); + intel_gt_set_wedged(outer->gt); + err = -EIO; + } + +out: + i915_request_put(head); + return err; +} + +static int live_timeslice_preempt(void *arg) +{ + struct drm_i915_private *i915 = arg; + struct drm_i915_gem_object *obj; + intel_wakeref_t wakeref; + struct i915_vma *vma; + void *vaddr; + int err = 0; + int count; + + /* + * If a request takes too long, we would like to give other users + * a fair go on the GPU. In particular, users may create batches + * that wait upon external input, where that input may even be + * supplied by another GPU job. To avoid blocking forever, we + * need to preempt the current task and replace it with another + * ready task. + */ + + mutex_lock(&i915->drm.struct_mutex); + wakeref = intel_runtime_pm_get(&i915->runtime_pm); + + obj = i915_gem_object_create_internal(i915, PAGE_SIZE); + if (IS_ERR(obj)) { + err = PTR_ERR(obj); + goto err_unlock; + } + + vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); + if (IS_ERR(vma)) { + err = PTR_ERR(vma); + goto err_obj; + } + + vaddr = i915_gem_object_pin_map(obj, I915_MAP_WC); + if (IS_ERR(vaddr)) { + err = PTR_ERR(vaddr); + goto err_obj; + } + + err = i915_vma_pin(vma, 0, 0, PIN_GLOBAL); + if (err) + goto err_map; + + for_each_prime_number_from(count, 1, 16) { + struct intel_engine_cs *engine; + enum intel_engine_id id; + + for_each_engine(engine, i915, id) { + if (!intel_engine_has_preemption(engine)) + continue; + + memset(vaddr, 0, PAGE_SIZE); + + err = slice_semaphore_queue(engine, vma, count); + if (err) + goto err_pin; + + if (igt_flush_test(i915, I915_WAIT_LOCKED)) { + err = -EIO; + goto err_pin; + } + } + } + +err_pin: + i915_vma_unpin(vma); +err_map: + i915_gem_object_unpin_map(obj); +err_obj: + i915_gem_object_put(obj); +err_unlock: + intel_runtime_pm_put(&i915->runtime_pm, wakeref); + mutex_unlock(&i915->drm.struct_mutex); + + return err; +} + static int live_busywait_preempt(void *arg) { struct drm_i915_private *i915 = arg; @@ -138,6 +357,9 @@ static int live_busywait_preempt(void *arg) struct igt_live_test t; u32 *cs; + if (!intel_engine_has_preemption(engine)) + continue; + if (!intel_engine_can_store_dword(engine)) continue; @@ -229,7 +451,7 @@ static int live_busywait_preempt(void *arg) intel_engine_dump(engine, &p, "%s\n", engine->name); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_vma; } @@ -253,8 +475,6 @@ err_ctx_lo: err_ctx_hi: kernel_context_close(ctx_hi); err_unlock: - if (igt_flush_test(i915, I915_WAIT_LOCKED)) - err = -EIO; intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); return err; @@ -320,7 +540,7 @@ static int live_preempt(void *arg) if (!igt_wait_for_spinner(&spin_lo, rq)) { GEM_TRACE("lo spinner failed to start\n"); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_ctx_lo; } @@ -337,7 +557,7 @@ static int live_preempt(void *arg) if (!igt_wait_for_spinner(&spin_hi, rq)) { GEM_TRACE("hi spinner failed to start\n"); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_ctx_lo; } @@ -361,7 +581,6 @@ err_spin_lo: err_spin_hi: igt_spinner_fini(&spin_hi); err_unlock: - igt_flush_test(i915, I915_WAIT_LOCKED); intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); return err; @@ -398,6 +617,9 @@ static int live_late_preempt(void *arg) if (!ctx_lo) goto err_ctx_hi; + /* Make sure ctx_lo stays before ctx_hi until we trigger preemption. */ + ctx_lo->sched.priority = I915_USER_PRIORITY(1); + for_each_engine(engine, i915, id) { struct igt_live_test t; struct i915_request *rq; @@ -465,7 +687,6 @@ err_spin_lo: err_spin_hi: igt_spinner_fini(&spin_hi); err_unlock: - igt_flush_test(i915, I915_WAIT_LOCKED); intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); return err; @@ -473,7 +694,7 @@ err_unlock: err_wedged: igt_spinner_end(&spin_hi); igt_spinner_end(&spin_lo); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_ctx_lo; } @@ -506,6 +727,114 @@ static void preempt_client_fini(struct preempt_client *c) kernel_context_close(c->ctx); } +static int live_nopreempt(void *arg) +{ + struct drm_i915_private *i915 = arg; + struct intel_engine_cs *engine; + struct preempt_client a, b; + enum intel_engine_id id; + intel_wakeref_t wakeref; + int err = -ENOMEM; + + /* + * Verify that we can disable preemption for an individual request + * that may be being observed and not want to be interrupted. + */ + + if (!HAS_LOGICAL_RING_PREEMPTION(i915)) + return 0; + + mutex_lock(&i915->drm.struct_mutex); + wakeref = intel_runtime_pm_get(&i915->runtime_pm); + + if (preempt_client_init(i915, &a)) + goto err_unlock; + if (preempt_client_init(i915, &b)) + goto err_client_a; + b.ctx->sched.priority = I915_USER_PRIORITY(I915_PRIORITY_MAX); + + for_each_engine(engine, i915, id) { + struct i915_request *rq_a, *rq_b; + + if (!intel_engine_has_preemption(engine)) + continue; + + engine->execlists.preempt_hang.count = 0; + + rq_a = igt_spinner_create_request(&a.spin, + a.ctx, engine, + MI_ARB_CHECK); + if (IS_ERR(rq_a)) { + err = PTR_ERR(rq_a); + goto err_client_b; + } + + /* Low priority client, but unpreemptable! */ + rq_a->flags |= I915_REQUEST_NOPREEMPT; + + i915_request_add(rq_a); + if (!igt_wait_for_spinner(&a.spin, rq_a)) { + pr_err("First client failed to start\n"); + goto err_wedged; + } + + rq_b = igt_spinner_create_request(&b.spin, + b.ctx, engine, + MI_ARB_CHECK); + if (IS_ERR(rq_b)) { + err = PTR_ERR(rq_b); + goto err_client_b; + } + + i915_request_add(rq_b); + + /* B is much more important than A! (But A is unpreemptable.) */ + GEM_BUG_ON(rq_prio(rq_b) <= rq_prio(rq_a)); + + /* Wait long enough for preemption and timeslicing */ + if (igt_wait_for_spinner(&b.spin, rq_b)) { + pr_err("Second client started too early!\n"); + goto err_wedged; + } + + igt_spinner_end(&a.spin); + + if (!igt_wait_for_spinner(&b.spin, rq_b)) { + pr_err("Second client failed to start\n"); + goto err_wedged; + } + + igt_spinner_end(&b.spin); + + if (engine->execlists.preempt_hang.count) { + pr_err("Preemption recorded x%d; should have been suppressed!\n", + engine->execlists.preempt_hang.count); + err = -EINVAL; + goto err_wedged; + } + + if (igt_flush_test(i915, I915_WAIT_LOCKED)) + goto err_wedged; + } + + err = 0; +err_client_b: + preempt_client_fini(&b); +err_client_a: + preempt_client_fini(&a); +err_unlock: + intel_runtime_pm_put(&i915->runtime_pm, wakeref); + mutex_unlock(&i915->drm.struct_mutex); + return err; + +err_wedged: + igt_spinner_end(&b.spin); + igt_spinner_end(&a.spin); + intel_gt_set_wedged(&i915->gt); + err = -EIO; + goto err_client_b; +} + static int live_suppress_self_preempt(void *arg) { struct drm_i915_private *i915 = arg; @@ -531,6 +860,9 @@ static int live_suppress_self_preempt(void *arg) if (USES_GUC_SUBMISSION(i915)) return 0; /* presume black blox */ + if (intel_vgpu_active(i915)) + return 0; /* GVT forces single port & request submission */ + mutex_lock(&i915->drm.struct_mutex); wakeref = intel_runtime_pm_get(&i915->runtime_pm); @@ -604,8 +936,6 @@ err_client_b: err_client_a: preempt_client_fini(&a); err_unlock: - if (igt_flush_test(i915, I915_WAIT_LOCKED)) - err = -EIO; intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); return err; @@ -613,7 +943,7 @@ err_unlock: err_wedged: igt_spinner_end(&b.spin); igt_spinner_end(&a.spin); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_client_b; } @@ -646,6 +976,10 @@ static struct i915_request *dummy_request(struct intel_engine_cs *engine) i915_sw_fence_init(&rq->submit, dummy_notify); set_bit(I915_FENCE_FLAG_ACTIVE, &rq->fence.flags); + spin_lock_init(&rq->lock); + rq->fence.lock = &rq->lock; + INIT_LIST_HEAD(&rq->fence.cb_list); + return rq; } @@ -773,8 +1107,6 @@ err_client_1: err_client_0: preempt_client_fini(&client[0]); err_unlock: - if (igt_flush_test(i915, I915_WAIT_LOCKED)) - err = -EIO; intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); return err; @@ -782,7 +1114,7 @@ err_unlock: err_wedged: for (i = 0; i < ARRAY_SIZE(client); i++) igt_spinner_end(&client[i].spin); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_client_3; } @@ -921,8 +1253,6 @@ err_client_lo: err_client_hi: preempt_client_fini(&hi); err_unlock: - if (igt_flush_test(i915, I915_WAIT_LOCKED)) - err = -EIO; intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); return err; @@ -930,7 +1260,7 @@ err_unlock: err_wedged: igt_spinner_end(&hi.spin); igt_spinner_end(&lo.spin); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_client_lo; } @@ -989,7 +1319,7 @@ static int live_preempt_hang(void *arg) if (!igt_wait_for_spinner(&spin_lo, rq)) { GEM_TRACE("lo spinner failed to start\n"); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_ctx_lo; } @@ -1011,21 +1341,21 @@ static int live_preempt_hang(void *arg) HZ / 10)) { pr_err("Preemption did not occur within timeout!"); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_ctx_lo; } - set_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); - i915_reset_engine(engine, NULL); - clear_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + set_bit(I915_RESET_ENGINE + id, &i915->gt.reset.flags); + intel_engine_reset(engine, NULL); + clear_bit(I915_RESET_ENGINE + id, &i915->gt.reset.flags); engine->execlists.preempt_hang.inject_hang = false; if (!igt_wait_for_spinner(&spin_hi, rq)) { GEM_TRACE("hi spinner failed to start\n"); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto err_ctx_lo; } @@ -1048,7 +1378,6 @@ err_spin_lo: err_spin_hi: igt_spinner_fini(&spin_hi); err_unlock: - igt_flush_test(i915, I915_WAIT_LOCKED); intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); return err; @@ -1406,7 +1735,7 @@ static int nop_virtual_engine(struct drm_i915_private *i915, request[nc]->fence.context, request[nc]->fence.seqno); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); break; } } @@ -1553,7 +1882,7 @@ static int mask_virtual_engine(struct drm_i915_private *i915, request[n]->fence.context, request[n]->fence.seqno); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); err = -EIO; goto out; } @@ -1812,9 +2141,11 @@ int intel_execlists_live_selftests(struct drm_i915_private *i915) { static const struct i915_subtest tests[] = { SUBTEST(live_sanitycheck), + SUBTEST(live_timeslice_preempt), SUBTEST(live_busywait_preempt), SUBTEST(live_preempt), SUBTEST(live_late_preempt), + SUBTEST(live_nopreempt), SUBTEST(live_suppress_self_preempt), SUBTEST(live_suppress_wait_preempt), SUBTEST(live_chain_preempt), @@ -1828,8 +2159,8 @@ int intel_execlists_live_selftests(struct drm_i915_private *i915) if (!HAS_EXECLISTS(i915)) return 0; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) return 0; - return i915_subtests(tests, i915); + return i915_live_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/gt/selftest_reset.c b/drivers/gpu/drm/i915/gt/selftest_reset.c index b5c590c9ccba..00a4f60cdfd5 100644 --- a/drivers/gpu/drm/i915/gt/selftest_reset.c +++ b/drivers/gpu/drm/i915/gt/selftest_reset.c @@ -9,26 +9,29 @@ static int igt_global_reset(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; unsigned int reset_count; + intel_wakeref_t wakeref; int err = 0; /* Check that we can issue a global GPU reset */ - igt_global_reset_lock(i915); + igt_global_reset_lock(gt); + wakeref = intel_runtime_pm_get(>->i915->runtime_pm); - reset_count = i915_reset_count(&i915->gpu_error); + reset_count = i915_reset_count(>->i915->gpu_error); - i915_reset(i915, ALL_ENGINES, NULL); + intel_gt_reset(gt, ALL_ENGINES, NULL); - if (i915_reset_count(&i915->gpu_error) == reset_count) { + if (i915_reset_count(>->i915->gpu_error) == reset_count) { pr_err("No GPU reset recorded!\n"); err = -EINVAL; } - igt_global_reset_unlock(i915); + intel_runtime_pm_put(>->i915->runtime_pm, wakeref); + igt_global_reset_unlock(gt); - if (i915_reset_failed(i915)) + if (intel_gt_is_wedged(gt)) err = -EIO; return err; @@ -36,64 +39,123 @@ static int igt_global_reset(void *arg) static int igt_wedged_reset(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; intel_wakeref_t wakeref; /* Check that we can recover a wedged device with a GPU reset */ - igt_global_reset_lock(i915); - wakeref = intel_runtime_pm_get(&i915->runtime_pm); + igt_global_reset_lock(gt); + wakeref = intel_runtime_pm_get(>->i915->runtime_pm); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); - GEM_BUG_ON(!i915_reset_failed(i915)); - i915_reset(i915, ALL_ENGINES, NULL); + GEM_BUG_ON(!intel_gt_is_wedged(gt)); + intel_gt_reset(gt, ALL_ENGINES, NULL); - intel_runtime_pm_put(&i915->runtime_pm, wakeref); - igt_global_reset_unlock(i915); + intel_runtime_pm_put(>->i915->runtime_pm, wakeref); + igt_global_reset_unlock(gt); - return i915_reset_failed(i915) ? -EIO : 0; + return intel_gt_is_wedged(gt) ? -EIO : 0; } static int igt_atomic_reset(void *arg) { - struct drm_i915_private *i915 = arg; + struct intel_gt *gt = arg; const typeof(*igt_atomic_phases) *p; int err = 0; /* Check that the resets are usable from atomic context */ - igt_global_reset_lock(i915); - mutex_lock(&i915->drm.struct_mutex); + intel_gt_pm_get(gt); + igt_global_reset_lock(gt); /* Flush any requests before we get started and check basics */ - if (!igt_force_reset(i915)) + if (!igt_force_reset(gt)) goto unlock; for (p = igt_atomic_phases; p->name; p++) { intel_engine_mask_t awake; - GEM_TRACE("intel_gpu_reset under %s\n", p->name); + GEM_TRACE("__intel_gt_reset under %s\n", p->name); - awake = reset_prepare(i915); + awake = reset_prepare(gt); p->critical_section_begin(); - reset_prepare(i915); - err = intel_gpu_reset(i915, ALL_ENGINES); + + err = __intel_gt_reset(gt, ALL_ENGINES); + p->critical_section_end(); - reset_finish(i915, awake); + reset_finish(gt, awake); if (err) { - pr_err("intel_gpu_reset failed under %s\n", p->name); + pr_err("__intel_gt_reset failed under %s\n", p->name); break; } } /* As we poke around the guts, do a full reset before continuing. */ - igt_force_reset(i915); + igt_force_reset(gt); unlock: - mutex_unlock(&i915->drm.struct_mutex); - igt_global_reset_unlock(i915); + igt_global_reset_unlock(gt); + intel_gt_pm_put(gt); + + return err; +} + +static int igt_atomic_engine_reset(void *arg) +{ + struct intel_gt *gt = arg; + const typeof(*igt_atomic_phases) *p; + struct intel_engine_cs *engine; + enum intel_engine_id id; + int err = 0; + + /* Check that the resets are usable from atomic context */ + + if (!intel_has_reset_engine(gt->i915)) + return 0; + + if (USES_GUC_SUBMISSION(gt->i915)) + return 0; + + intel_gt_pm_get(gt); + igt_global_reset_lock(gt); + + /* Flush any requests before we get started and check basics */ + if (!igt_force_reset(gt)) + goto out_unlock; + + for_each_engine(engine, gt->i915, id) { + tasklet_disable_nosync(&engine->execlists.tasklet); + intel_engine_pm_get(engine); + + for (p = igt_atomic_phases; p->name; p++) { + GEM_TRACE("intel_engine_reset(%s) under %s\n", + engine->name, p->name); + + p->critical_section_begin(); + err = intel_engine_reset(engine, NULL); + p->critical_section_end(); + + if (err) { + pr_err("intel_engine_reset(%s) failed under %s\n", + engine->name, p->name); + break; + } + } + + intel_engine_pm_put(engine); + tasklet_enable(&engine->execlists.tasklet); + if (err) + break; + } + + /* As we poke around the guts, do a full reset before continuing. */ + igt_force_reset(gt); + +out_unlock: + igt_global_reset_unlock(gt); + intel_gt_pm_put(gt); return err; } @@ -104,18 +166,15 @@ int intel_reset_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_global_reset), /* attempt to recover GPU first */ SUBTEST(igt_wedged_reset), SUBTEST(igt_atomic_reset), + SUBTEST(igt_atomic_engine_reset), }; - intel_wakeref_t wakeref; - int err = 0; + struct intel_gt *gt = &i915->gt; - if (!intel_has_gpu_reset(i915)) + if (!intel_has_gpu_reset(gt->i915)) return 0; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(gt)) return -EIO; /* we're long past hope of a successful reset */ - with_intel_runtime_pm(&i915->runtime_pm, wakeref) - err = i915_subtests(tests, i915); - - return err; + return intel_gt_live_subtests(tests, gt); } diff --git a/drivers/gpu/drm/i915/selftests/i915_timeline.c b/drivers/gpu/drm/i915/gt/selftest_timeline.c index 76d3977f1d4b..f0a840030382 100644 --- a/drivers/gpu/drm/i915/selftests/i915_timeline.c +++ b/drivers/gpu/drm/i915/gt/selftest_timeline.c @@ -7,15 +7,16 @@ #include <linux/prime_numbers.h> #include "gem/i915_gem_pm.h" +#include "intel_gt.h" -#include "i915_random.h" -#include "i915_selftest.h" +#include "../selftests/i915_random.h" +#include "../i915_selftest.h" -#include "igt_flush_test.h" -#include "mock_gem_device.h" -#include "mock_timeline.h" +#include "../selftests/igt_flush_test.h" +#include "../selftests/mock_gem_device.h" +#include "selftests/mock_timeline.h" -static struct page *hwsp_page(struct i915_timeline *tl) +static struct page *hwsp_page(struct intel_timeline *tl) { struct drm_i915_gem_object *obj = tl->hwsp_ggtt->obj; @@ -23,7 +24,7 @@ static struct page *hwsp_page(struct i915_timeline *tl) return sg_page(obj->mm.pages->sgl); } -static unsigned long hwsp_cacheline(struct i915_timeline *tl) +static unsigned long hwsp_cacheline(struct intel_timeline *tl) { unsigned long address = (unsigned long)page_address(hwsp_page(tl)); @@ -35,7 +36,7 @@ static unsigned long hwsp_cacheline(struct i915_timeline *tl) struct mock_hwsp_freelist { struct drm_i915_private *i915; struct radix_tree_root cachelines; - struct i915_timeline **history; + struct intel_timeline **history; unsigned long count, max; struct rnd_state prng; }; @@ -46,12 +47,12 @@ enum { static void __mock_hwsp_record(struct mock_hwsp_freelist *state, unsigned int idx, - struct i915_timeline *tl) + struct intel_timeline *tl) { tl = xchg(&state->history[idx], tl); if (tl) { radix_tree_delete(&state->cachelines, hwsp_cacheline(tl)); - i915_timeline_put(tl); + intel_timeline_put(tl); } } @@ -59,14 +60,14 @@ static int __mock_hwsp_timeline(struct mock_hwsp_freelist *state, unsigned int count, unsigned int flags) { - struct i915_timeline *tl; + struct intel_timeline *tl; unsigned int idx; while (count--) { unsigned long cacheline; int err; - tl = i915_timeline_create(state->i915, NULL); + tl = intel_timeline_create(&state->i915->gt, NULL); if (IS_ERR(tl)) return PTR_ERR(tl); @@ -77,7 +78,7 @@ static int __mock_hwsp_timeline(struct mock_hwsp_freelist *state, pr_err("HWSP cacheline %lu already used; duplicate allocation!\n", cacheline); } - i915_timeline_put(tl); + intel_timeline_put(tl); return err; } @@ -162,21 +163,21 @@ struct __igt_sync { bool set; }; -static int __igt_sync(struct i915_timeline *tl, +static int __igt_sync(struct intel_timeline *tl, u64 ctx, const struct __igt_sync *p, const char *name) { int ret; - if (__i915_timeline_sync_is_later(tl, ctx, p->seqno) != p->expected) { + if (__intel_timeline_sync_is_later(tl, ctx, p->seqno) != p->expected) { pr_err("%s: %s(ctx=%llu, seqno=%u) expected passed %s but failed\n", name, p->name, ctx, p->seqno, yesno(p->expected)); return -EINVAL; } if (p->set) { - ret = __i915_timeline_sync_set(tl, ctx, p->seqno); + ret = __intel_timeline_sync_set(tl, ctx, p->seqno); if (ret) return ret; } @@ -204,7 +205,7 @@ static int igt_sync(void *arg) { "unwrap", UINT_MAX, true, false }, {}, }, *p; - struct i915_timeline tl; + struct intel_timeline tl; int order, offset; int ret = -ENODEV; @@ -248,7 +249,7 @@ static unsigned int random_engine(struct rnd_state *rnd) static int bench_sync(void *arg) { struct rnd_state prng; - struct i915_timeline tl; + struct intel_timeline tl; unsigned long end_time, count; u64 prng32_1M; ktime_t kt; @@ -286,7 +287,7 @@ static int bench_sync(void *arg) do { u64 id = i915_prandom_u64_state(&prng); - __i915_timeline_sync_set(&tl, id, 0); + __intel_timeline_sync_set(&tl, id, 0); count++; } while (!time_after(jiffies, end_time)); kt = ktime_sub(ktime_get(), kt); @@ -301,7 +302,7 @@ static int bench_sync(void *arg) while (end_time--) { u64 id = i915_prandom_u64_state(&prng); - if (!__i915_timeline_sync_is_later(&tl, id, 0)) { + if (!__intel_timeline_sync_is_later(&tl, id, 0)) { mock_timeline_fini(&tl); pr_err("Lookup of %llu failed\n", id); return -EINVAL; @@ -322,7 +323,7 @@ static int bench_sync(void *arg) kt = ktime_get(); end_time = jiffies + HZ/10; do { - __i915_timeline_sync_set(&tl, count++, 0); + __intel_timeline_sync_set(&tl, count++, 0); } while (!time_after(jiffies, end_time)); kt = ktime_sub(ktime_get(), kt); pr_info("%s: %lu in-order insertions, %lluns/insert\n", @@ -332,7 +333,7 @@ static int bench_sync(void *arg) end_time = count; kt = ktime_get(); while (end_time--) { - if (!__i915_timeline_sync_is_later(&tl, end_time, 0)) { + if (!__intel_timeline_sync_is_later(&tl, end_time, 0)) { pr_err("Lookup of %lu failed\n", end_time); mock_timeline_fini(&tl); return -EINVAL; @@ -356,8 +357,8 @@ static int bench_sync(void *arg) u32 id = random_engine(&prng); u32 seqno = prandom_u32_state(&prng); - if (!__i915_timeline_sync_is_later(&tl, id, seqno)) - __i915_timeline_sync_set(&tl, id, seqno); + if (!__intel_timeline_sync_is_later(&tl, id, seqno)) + __intel_timeline_sync_set(&tl, id, seqno); count++; } while (!time_after(jiffies, end_time)); @@ -385,8 +386,8 @@ static int bench_sync(void *arg) */ u64 id = (u64)(count & mask) << order; - __i915_timeline_sync_is_later(&tl, id, 0); - __i915_timeline_sync_set(&tl, id, 0); + __intel_timeline_sync_is_later(&tl, id, 0); + __intel_timeline_sync_set(&tl, id, 0); count++; } while (!time_after(jiffies, end_time)); @@ -401,7 +402,7 @@ static int bench_sync(void *arg) return 0; } -int i915_timeline_mock_selftests(void) +int intel_timeline_mock_selftests(void) { static const struct i915_subtest tests[] = { SUBTEST(mock_hwsp_freelist), @@ -443,14 +444,14 @@ static int emit_ggtt_store_dw(struct i915_request *rq, u32 addr, u32 value) } static struct i915_request * -tl_write(struct i915_timeline *tl, struct intel_engine_cs *engine, u32 value) +tl_write(struct intel_timeline *tl, struct intel_engine_cs *engine, u32 value) { struct i915_request *rq; int err; - lockdep_assert_held(&tl->i915->drm.struct_mutex); /* lazy rq refs */ + lockdep_assert_held(&tl->gt->i915->drm.struct_mutex); /* lazy rq refs */ - err = i915_timeline_pin(tl); + err = intel_timeline_pin(tl); if (err) { rq = ERR_PTR(err); goto out; @@ -466,26 +467,26 @@ tl_write(struct i915_timeline *tl, struct intel_engine_cs *engine, u32 value) rq = ERR_PTR(err); out_unpin: - i915_timeline_unpin(tl); + intel_timeline_unpin(tl); out: if (IS_ERR(rq)) pr_err("Failed to write to timeline!\n"); return rq; } -static struct i915_timeline * -checked_i915_timeline_create(struct drm_i915_private *i915) +static struct intel_timeline * +checked_intel_timeline_create(struct drm_i915_private *i915) { - struct i915_timeline *tl; + struct intel_timeline *tl; - tl = i915_timeline_create(i915, NULL); + tl = intel_timeline_create(&i915->gt, NULL); if (IS_ERR(tl)) return tl; if (*tl->hwsp_seqno != tl->seqno) { pr_err("Timeline created with incorrect breadcrumb, found %x, expected %x\n", *tl->hwsp_seqno, tl->seqno); - i915_timeline_put(tl); + intel_timeline_put(tl); return ERR_PTR(-EINVAL); } @@ -496,7 +497,7 @@ static int live_hwsp_engine(void *arg) { #define NUM_TIMELINES 4096 struct drm_i915_private *i915 = arg; - struct i915_timeline **timelines; + struct intel_timeline **timelines; struct intel_engine_cs *engine; enum intel_engine_id id; intel_wakeref_t wakeref; @@ -523,10 +524,10 @@ static int live_hwsp_engine(void *arg) continue; for (n = 0; n < NUM_TIMELINES; n++) { - struct i915_timeline *tl; + struct intel_timeline *tl; struct i915_request *rq; - tl = checked_i915_timeline_create(i915); + tl = checked_intel_timeline_create(i915); if (IS_ERR(tl)) { err = PTR_ERR(tl); goto out; @@ -534,7 +535,7 @@ static int live_hwsp_engine(void *arg) rq = tl_write(tl, engine, count); if (IS_ERR(rq)) { - i915_timeline_put(tl); + intel_timeline_put(tl); err = PTR_ERR(rq); goto out; } @@ -548,14 +549,14 @@ out: err = -EIO; for (n = 0; n < count; n++) { - struct i915_timeline *tl = timelines[n]; + struct intel_timeline *tl = timelines[n]; if (!err && *tl->hwsp_seqno != n) { pr_err("Invalid seqno stored in timeline %lu, found 0x%x\n", n, *tl->hwsp_seqno); err = -EINVAL; } - i915_timeline_put(tl); + intel_timeline_put(tl); } intel_runtime_pm_put(&i915->runtime_pm, wakeref); @@ -571,7 +572,7 @@ static int live_hwsp_alternate(void *arg) { #define NUM_TIMELINES 4096 struct drm_i915_private *i915 = arg; - struct i915_timeline **timelines; + struct intel_timeline **timelines; struct intel_engine_cs *engine; enum intel_engine_id id; intel_wakeref_t wakeref; @@ -596,13 +597,13 @@ static int live_hwsp_alternate(void *arg) count = 0; for (n = 0; n < NUM_TIMELINES; n++) { for_each_engine(engine, i915, id) { - struct i915_timeline *tl; + struct intel_timeline *tl; struct i915_request *rq; if (!intel_engine_can_store_dword(engine)) continue; - tl = checked_i915_timeline_create(i915); + tl = checked_intel_timeline_create(i915); if (IS_ERR(tl)) { err = PTR_ERR(tl); goto out; @@ -610,7 +611,7 @@ static int live_hwsp_alternate(void *arg) rq = tl_write(tl, engine, count); if (IS_ERR(rq)) { - i915_timeline_put(tl); + intel_timeline_put(tl); err = PTR_ERR(rq); goto out; } @@ -624,14 +625,14 @@ out: err = -EIO; for (n = 0; n < count; n++) { - struct i915_timeline *tl = timelines[n]; + struct intel_timeline *tl = timelines[n]; if (!err && *tl->hwsp_seqno != n) { pr_err("Invalid seqno stored in timeline %lu, found 0x%x\n", n, *tl->hwsp_seqno); err = -EINVAL; } - i915_timeline_put(tl); + intel_timeline_put(tl); } intel_runtime_pm_put(&i915->runtime_pm, wakeref); @@ -647,7 +648,7 @@ static int live_hwsp_wrap(void *arg) { struct drm_i915_private *i915 = arg; struct intel_engine_cs *engine; - struct i915_timeline *tl; + struct intel_timeline *tl; enum intel_engine_id id; intel_wakeref_t wakeref; int err = 0; @@ -660,7 +661,7 @@ static int live_hwsp_wrap(void *arg) mutex_lock(&i915->drm.struct_mutex); wakeref = intel_runtime_pm_get(&i915->runtime_pm); - tl = i915_timeline_create(i915, NULL); + tl = intel_timeline_create(&i915->gt, NULL); if (IS_ERR(tl)) { err = PTR_ERR(tl); goto out_rpm; @@ -668,7 +669,7 @@ static int live_hwsp_wrap(void *arg) if (!tl->has_initial_breadcrumb || !tl->hwsp_cacheline) goto out_free; - err = i915_timeline_pin(tl); + err = intel_timeline_pin(tl); if (err) goto out_free; @@ -688,7 +689,7 @@ static int live_hwsp_wrap(void *arg) tl->seqno = -4u; - err = i915_timeline_get_seqno(tl, rq, &seqno[0]); + err = intel_timeline_get_seqno(tl, rq, &seqno[0]); if (err) { i915_request_add(rq); goto out; @@ -703,7 +704,7 @@ static int live_hwsp_wrap(void *arg) } hwsp_seqno[0] = tl->hwsp_seqno; - err = i915_timeline_get_seqno(tl, rq, &seqno[1]); + err = intel_timeline_get_seqno(tl, rq, &seqno[1]); if (err) { i915_request_add(rq); goto out; @@ -745,9 +746,9 @@ out: if (igt_flush_test(i915, I915_WAIT_LOCKED)) err = -EIO; - i915_timeline_unpin(tl); + intel_timeline_unpin(tl); out_free: - i915_timeline_put(tl); + intel_timeline_put(tl); out_rpm: intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); @@ -781,10 +782,10 @@ static int live_hwsp_recycle(void *arg) continue; do { - struct i915_timeline *tl; + struct intel_timeline *tl; struct i915_request *rq; - tl = checked_i915_timeline_create(i915); + tl = checked_intel_timeline_create(i915); if (IS_ERR(tl)) { err = PTR_ERR(tl); goto out; @@ -792,14 +793,14 @@ static int live_hwsp_recycle(void *arg) rq = tl_write(tl, engine, count); if (IS_ERR(rq)) { - i915_timeline_put(tl); + intel_timeline_put(tl); err = PTR_ERR(rq); goto out; } if (i915_request_wait(rq, 0, HZ / 5) < 0) { pr_err("Wait for timeline writes timed out!\n"); - i915_timeline_put(tl); + intel_timeline_put(tl); err = -EIO; goto out; } @@ -810,26 +811,24 @@ static int live_hwsp_recycle(void *arg) err = -EINVAL; } - i915_timeline_put(tl); + intel_timeline_put(tl); count++; if (err) goto out; - i915_timelines_park(i915); /* Encourage recycling! */ + intel_timelines_park(i915); /* Encourage recycling! */ } while (!__igt_timeout(end_time, NULL)); } out: - if (igt_flush_test(i915, I915_WAIT_LOCKED)) - err = -EIO; intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); return err; } -int i915_timeline_live_selftests(struct drm_i915_private *i915) +int intel_timeline_live_selftests(struct drm_i915_private *i915) { static const struct i915_subtest tests[] = { SUBTEST(live_hwsp_recycle), @@ -838,8 +837,8 @@ int i915_timeline_live_selftests(struct drm_i915_private *i915) SUBTEST(live_hwsp_wrap), }; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) return 0; - return i915_subtests(tests, i915); + return i915_live_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c index 44becd9538be..ab147985fa74 100644 --- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c +++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c @@ -5,13 +5,13 @@ */ #include "gem/i915_gem_pm.h" +#include "gt/intel_gt.h" #include "i915_selftest.h" #include "intel_reset.h" #include "selftests/igt_flush_test.h" #include "selftests/igt_reset.h" #include "selftests/igt_spinner.h" -#include "selftests/igt_wedge_me.h" #include "selftests/mock_drm.h" #include "gem/selftests/igt_gem_utils.h" @@ -24,11 +24,9 @@ static const struct wo_register { { INTEL_GEMINILAKE, 0x731c } }; -#define REF_NAME_MAX (INTEL_ENGINE_CS_MAX_NAME + 8) struct wa_lists { struct i915_wa_list gt_wa_list; struct { - char name[REF_NAME_MAX]; struct i915_wa_list wa_list; struct i915_wa_list ctx_wa_list; } engine[I915_NUM_ENGINES]; @@ -42,25 +40,20 @@ reference_lists_init(struct drm_i915_private *i915, struct wa_lists *lists) memset(lists, 0, sizeof(*lists)); - wa_init_start(&lists->gt_wa_list, "GT_REF"); + wa_init_start(&lists->gt_wa_list, "GT_REF", "global"); gt_init_workarounds(i915, &lists->gt_wa_list); wa_init_finish(&lists->gt_wa_list); for_each_engine(engine, i915, id) { struct i915_wa_list *wal = &lists->engine[id].wa_list; - char *name = lists->engine[id].name; - snprintf(name, REF_NAME_MAX, "%s_REF", engine->name); - - wa_init_start(wal, name); + wa_init_start(wal, "REF", engine->name); engine_init_workarounds(engine, wal); wa_init_finish(wal); - snprintf(name, REF_NAME_MAX, "%s_CTX_REF", engine->name); - __intel_engine_init_ctx_wa(engine, &lists->engine[id].ctx_wa_list, - name); + "CTX_REF"); } } @@ -102,7 +95,7 @@ read_nonprivs(struct i915_gem_context *ctx, struct intel_engine_cs *engine) i915_gem_object_flush_map(result); i915_gem_object_unpin_map(result); - vma = i915_vma_instance(result, &engine->i915->ggtt.vm, NULL); + vma = i915_vma_instance(result, &engine->gt->ggtt->vm, NULL); if (IS_ERR(vma)) { err = PTR_ERR(vma); goto err_obj; @@ -184,7 +177,7 @@ static int check_whitelist(struct i915_gem_context *ctx, struct intel_engine_cs *engine) { struct drm_i915_gem_object *results; - struct igt_wedge_me wedge; + struct intel_wedge_me wedge; u32 *vaddr; int err; int i; @@ -195,10 +188,10 @@ static int check_whitelist(struct i915_gem_context *ctx, err = 0; i915_gem_object_lock(results); - igt_wedge_on_timeout(&wedge, ctx->i915, HZ / 5) /* a safety net! */ + intel_wedge_on_timeout(&wedge, &ctx->i915->gt, HZ / 5) /* safety net! */ err = i915_gem_object_set_to_cpu_domain(results, false); i915_gem_object_unlock(results); - if (i915_terminally_wedged(ctx->i915)) + if (intel_gt_is_wedged(&ctx->i915->gt)) err = -EIO; if (err) goto out_put; @@ -231,13 +224,13 @@ out_put: static int do_device_reset(struct intel_engine_cs *engine) { - i915_reset(engine->i915, engine->mask, "live_workarounds"); + intel_gt_reset(engine->gt, engine->mask, "live_workarounds"); return 0; } static int do_engine_reset(struct intel_engine_cs *engine) { - return i915_reset_engine(engine, "live_workarounds"); + return intel_engine_reset(engine, "live_workarounds"); } static int @@ -286,64 +279,67 @@ static int check_whitelist_across_reset(struct intel_engine_cs *engine, const char *name) { struct drm_i915_private *i915 = engine->i915; - struct i915_gem_context *ctx; + struct i915_gem_context *ctx, *tmp; struct igt_spinner spin; intel_wakeref_t wakeref; int err; - pr_info("Checking %d whitelisted registers (RING_NONPRIV) [%s]\n", - engine->whitelist.count, name); - - err = igt_spinner_init(&spin, i915); - if (err) - return err; + pr_info("Checking %d whitelisted registers on %s (RING_NONPRIV) [%s]\n", + engine->whitelist.count, engine->name, name); ctx = kernel_context(i915); if (IS_ERR(ctx)) return PTR_ERR(ctx); + err = igt_spinner_init(&spin, i915); + if (err) + goto out_ctx; + err = check_whitelist(ctx, engine); if (err) { pr_err("Invalid whitelist *before* %s reset!\n", name); - goto out; + goto out_spin; } err = switch_to_scratch_context(engine, &spin); if (err) - goto out; + goto out_spin; with_intel_runtime_pm(&i915->runtime_pm, wakeref) err = reset(engine); igt_spinner_end(&spin); - igt_spinner_fini(&spin); if (err) { pr_err("%s reset failed\n", name); - goto out; + goto out_spin; } err = check_whitelist(ctx, engine); if (err) { pr_err("Whitelist not preserved in context across %s reset!\n", name); - goto out; + goto out_spin; } + tmp = kernel_context(i915); + if (IS_ERR(tmp)) { + err = PTR_ERR(tmp); + goto out_spin; + } kernel_context_close(ctx); - - ctx = kernel_context(i915); - if (IS_ERR(ctx)) - return PTR_ERR(ctx); + ctx = tmp; err = check_whitelist(ctx, engine); if (err) { pr_err("Invalid whitelist *after* %s reset in fresh context!\n", name); - goto out; + goto out_spin; } -out: +out_spin: + igt_spinner_fini(&spin); +out_ctx: kernel_context_close(ctx); return err; } @@ -393,6 +389,10 @@ static bool wo_register(struct intel_engine_cs *engine, u32 reg) enum intel_platform platform = INTEL_INFO(engine->i915)->platform; int i; + if ((reg & RING_FORCE_TO_NONPRIV_ACCESS_MASK) == + RING_FORCE_TO_NONPRIV_ACCESS_WR) + return true; + for (i = 0; i < ARRAY_SIZE(wo_registers); i++) { if (wo_registers[i].platform == platform && wo_registers[i].reg == reg) @@ -404,7 +404,8 @@ static bool wo_register(struct intel_engine_cs *engine, u32 reg) static bool ro_register(u32 reg) { - if (reg & RING_FORCE_TO_NONPRIV_RD) + if ((reg & RING_FORCE_TO_NONPRIV_ACCESS_MASK) == + RING_FORCE_TO_NONPRIV_ACCESS_RD) return true; return false; @@ -476,12 +477,12 @@ static int check_dirty_whitelist(struct i915_gem_context *ctx, u32 srm, lrm, rsvd; u32 expect; int idx; + bool ro_reg; if (wo_register(engine, reg)) continue; - if (ro_register(reg)) - continue; + ro_reg = ro_register(reg); srm = MI_STORE_REGISTER_MEM; lrm = MI_LOAD_REGISTER_MEM; @@ -542,7 +543,7 @@ static int check_dirty_whitelist(struct i915_gem_context *ctx, i915_gem_object_flush_map(batch->obj); i915_gem_object_unpin_map(batch->obj); - i915_gem_chipset_flush(ctx->i915); + intel_gt_chipset_flush(engine->gt); rq = igt_request_alloc(ctx, engine); if (IS_ERR(rq)) { @@ -570,7 +571,7 @@ err_request: if (i915_request_wait(rq, 0, HZ / 5) < 0) { pr_err("%s: Futzing %x timedout; cancelling test\n", engine->name, reg); - i915_gem_set_wedged(ctx->i915); + intel_gt_set_wedged(&ctx->i915->gt); err = -EIO; goto out_batch; } @@ -582,24 +583,35 @@ err_request: } GEM_BUG_ON(values[ARRAY_SIZE(values) - 1] != 0xffffffff); - rsvd = results[ARRAY_SIZE(values)]; /* detect write masking */ - if (!rsvd) { - pr_err("%s: Unable to write to whitelisted register %x\n", - engine->name, reg); - err = -EINVAL; - goto out_unpin; + if (!ro_reg) { + /* detect write masking */ + rsvd = results[ARRAY_SIZE(values)]; + if (!rsvd) { + pr_err("%s: Unable to write to whitelisted register %x\n", + engine->name, reg); + err = -EINVAL; + goto out_unpin; + } } expect = results[0]; idx = 1; for (v = 0; v < ARRAY_SIZE(values); v++) { - expect = reg_write(expect, values[v], rsvd); + if (ro_reg) + expect = results[0]; + else + expect = reg_write(expect, values[v], rsvd); + if (results[idx] != expect) err++; idx++; } for (v = 0; v < ARRAY_SIZE(values); v++) { - expect = reg_write(expect, ~values[v], rsvd); + if (ro_reg) + expect = results[0]; + else + expect = reg_write(expect, ~values[v], rsvd); + if (results[idx] != expect) err++; idx++; @@ -608,15 +620,22 @@ err_request: pr_err("%s: %d mismatch between values written to whitelisted register [%x], and values read back!\n", engine->name, err, reg); - pr_info("%s: Whitelisted register: %x, original value %08x, rsvd %08x\n", - engine->name, reg, results[0], rsvd); + if (ro_reg) + pr_info("%s: Whitelisted read-only register: %x, original value %08x\n", + engine->name, reg, results[0]); + else + pr_info("%s: Whitelisted register: %x, original value %08x, rsvd %08x\n", + engine->name, reg, results[0], rsvd); expect = results[0]; idx = 1; for (v = 0; v < ARRAY_SIZE(values); v++) { u32 w = values[v]; - expect = reg_write(expect, w, rsvd); + if (ro_reg) + expect = results[0]; + else + expect = reg_write(expect, w, rsvd); pr_info("Wrote %08x, read %08x, expect %08x\n", w, results[idx], expect); idx++; @@ -624,7 +643,10 @@ err_request: for (v = 0; v < ARRAY_SIZE(values); v++) { u32 w = ~values[v]; - expect = reg_write(expect, w, rsvd); + if (ro_reg) + expect = results[0]; + else + expect = reg_write(expect, w, rsvd); pr_info("Wrote %08x, read %08x, expect %08x\n", w, results[idx], expect); idx++; @@ -707,7 +729,7 @@ static int live_reset_whitelist(void *arg) if (!engine || engine->whitelist.count == 0) return 0; - igt_global_reset_lock(i915); + igt_global_reset_lock(&i915->gt); if (intel_has_reset_engine(i915)) { err = check_whitelist_across_reset(engine, @@ -726,7 +748,7 @@ static int live_reset_whitelist(void *arg) } out: - igt_global_reset_unlock(i915); + igt_global_reset_unlock(&i915->gt); return err; } @@ -756,8 +778,8 @@ static int read_whitelisted_registers(struct i915_gem_context *ctx, u64 offset = results->node.start + sizeof(u32) * i; u32 reg = i915_mmio_reg_offset(engine->whitelist.list[i].reg); - /* Clear RD only and WR only flags */ - reg &= ~(RING_FORCE_TO_NONPRIV_RD | RING_FORCE_TO_NONPRIV_WR); + /* Clear access permission field */ + reg &= ~RING_FORCE_TO_NONPRIV_ACCESS_MASK; *cs++ = srm; *cs++ = reg; @@ -806,7 +828,7 @@ static int scrub_whitelisted_registers(struct i915_gem_context *ctx, *cs++ = MI_BATCH_BUFFER_END; i915_gem_object_flush_map(batch->obj); - i915_gem_chipset_flush(ctx->i915); + intel_gt_chipset_flush(engine->gt); rq = igt_request_alloc(ctx, engine); if (IS_ERR(rq)) { @@ -927,7 +949,8 @@ check_whitelisted_registers(struct intel_engine_cs *engine, for (i = 0; i < engine->whitelist.count; i++) { const struct i915_wa *wa = &engine->whitelist.list[i]; - if (i915_mmio_reg_offset(wa->reg) & RING_FORCE_TO_NONPRIV_RD) + if (i915_mmio_reg_offset(wa->reg) & + RING_FORCE_TO_NONPRIV_ACCESS_RD) continue; if (!fn(engine, a[i], b[i], wa->reg)) @@ -1094,7 +1117,7 @@ live_gpu_reset_workarounds(void *arg) pr_info("Verifying after GPU reset...\n"); - igt_global_reset_lock(i915); + igt_global_reset_lock(&i915->gt); wakeref = intel_runtime_pm_get(&i915->runtime_pm); reference_lists_init(i915, &lists); @@ -1103,7 +1126,7 @@ live_gpu_reset_workarounds(void *arg) if (!ok) goto out; - i915_reset(i915, ALL_ENGINES, "live_workarounds"); + intel_gt_reset(&i915->gt, ALL_ENGINES, "live_workarounds"); ok = verify_wa_lists(ctx, &lists, "after reset"); @@ -1111,7 +1134,7 @@ out: kernel_context_close(ctx); reference_lists_fini(i915, &lists); intel_runtime_pm_put(&i915->runtime_pm, wakeref); - igt_global_reset_unlock(i915); + igt_global_reset_unlock(&i915->gt); return ok ? 0 : -ESRCH; } @@ -1136,7 +1159,7 @@ live_engine_reset_workarounds(void *arg) if (IS_ERR(ctx)) return PTR_ERR(ctx); - igt_global_reset_lock(i915); + igt_global_reset_lock(&i915->gt); wakeref = intel_runtime_pm_get(&i915->runtime_pm); reference_lists_init(i915, &lists); @@ -1152,7 +1175,7 @@ live_engine_reset_workarounds(void *arg) goto err; } - i915_reset_engine(engine, "live_workarounds"); + intel_engine_reset(engine, "live_workarounds"); ok = verify_wa_lists(ctx, &lists, "after idle reset"); if (!ok) { @@ -1180,7 +1203,7 @@ live_engine_reset_workarounds(void *arg) goto err; } - i915_reset_engine(engine, "live_workarounds"); + intel_engine_reset(engine, "live_workarounds"); igt_spinner_end(&spin); igt_spinner_fini(&spin); @@ -1195,7 +1218,7 @@ live_engine_reset_workarounds(void *arg) err: reference_lists_fini(i915, &lists); intel_runtime_pm_put(&i915->runtime_pm, wakeref); - igt_global_reset_unlock(i915); + igt_global_reset_unlock(&i915->gt); kernel_context_close(ctx); igt_flush_test(i915, I915_WAIT_LOCKED); @@ -1214,7 +1237,7 @@ int intel_workarounds_live_selftests(struct drm_i915_private *i915) }; int err; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) return 0; mutex_lock(&i915->drm.struct_mutex); diff --git a/drivers/gpu/drm/i915/selftests/mock_timeline.c b/drivers/gpu/drm/i915/gt/selftests/mock_timeline.c index 65b52be23d42..5c549205828a 100644 --- a/drivers/gpu/drm/i915/selftests/mock_timeline.c +++ b/drivers/gpu/drm/i915/gt/selftests/mock_timeline.c @@ -4,13 +4,13 @@ * Copyright © 2017-2018 Intel Corporation */ -#include "../i915_timeline.h" +#include "../intel_timeline.h" #include "mock_timeline.h" -void mock_timeline_init(struct i915_timeline *timeline, u64 context) +void mock_timeline_init(struct intel_timeline *timeline, u64 context) { - timeline->i915 = NULL; + timeline->gt = NULL; timeline->fence_context = context; mutex_init(&timeline->mutex); @@ -23,7 +23,7 @@ void mock_timeline_init(struct i915_timeline *timeline, u64 context) INIT_LIST_HEAD(&timeline->link); } -void mock_timeline_fini(struct i915_timeline *timeline) +void mock_timeline_fini(struct intel_timeline *timeline) { i915_syncmap_free(&timeline->sync); } diff --git a/drivers/gpu/drm/i915/selftests/mock_timeline.h b/drivers/gpu/drm/i915/gt/selftests/mock_timeline.h index b6deaa61110d..689efc66c908 100644 --- a/drivers/gpu/drm/i915/selftests/mock_timeline.h +++ b/drivers/gpu/drm/i915/gt/selftests/mock_timeline.h @@ -7,9 +7,9 @@ #ifndef __MOCK_TIMELINE__ #define __MOCK_TIMELINE__ -struct i915_timeline; +struct intel_timeline; -void mock_timeline_init(struct i915_timeline *timeline, u64 context); -void mock_timeline_fini(struct i915_timeline *timeline); +void mock_timeline_init(struct intel_timeline *timeline, u64 context); +void mock_timeline_fini(struct intel_timeline *timeline); #endif /* !__MOCK_TIMELINE__ */ diff --git a/drivers/gpu/drm/i915/gt/uc/Makefile b/drivers/gpu/drm/i915/gt/uc/Makefile new file mode 100644 index 000000000000..bec94d434cb6 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/Makefile @@ -0,0 +1,5 @@ +# For building individual subdir files on the command line +subdir-ccflags-y += -I$(srctree)/$(src)/../.. + +# Extra header tests +header-test-pattern-$(CONFIG_DRM_I915_WERROR) := *.h diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c index c40a6efdd33a..13fbbffd05c7 100644 --- a/drivers/gpu/drm/i915/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c @@ -22,6 +22,7 @@ * */ +#include "gt/intel_gt.h" #include "intel_guc.h" #include "intel_guc_ads.h" #include "intel_guc_submission.h" @@ -29,16 +30,16 @@ static void gen8_guc_raise_irq(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct intel_gt *gt = guc_to_gt(guc); - I915_WRITE(GUC_SEND_INTERRUPT, GUC_SEND_TRIGGER); + intel_uncore_write(gt->uncore, GUC_SEND_INTERRUPT, GUC_SEND_TRIGGER); } static void gen11_guc_raise_irq(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct intel_gt *gt = guc_to_gt(guc); - I915_WRITE(GEN11_GUC_HOST_INTERRUPT, 0); + intel_uncore_write(gt->uncore, GEN11_GUC_HOST_INTERRUPT, 0); } static inline i915_reg_t guc_send_reg(struct intel_guc *guc, u32 i) @@ -52,11 +53,11 @@ static inline i915_reg_t guc_send_reg(struct intel_guc *guc, u32 i) void intel_guc_init_send_regs(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct intel_gt *gt = guc_to_gt(guc); enum forcewake_domains fw_domains = 0; unsigned int i; - if (INTEL_GEN(dev_priv) >= 11) { + if (INTEL_GEN(gt->i915) >= 11) { guc->send_regs.base = i915_mmio_reg_offset(GEN11_SOFT_SCRATCH(0)); guc->send_regs.count = GEN11_SOFT_SCRATCH_COUNT; @@ -67,7 +68,7 @@ void intel_guc_init_send_regs(struct intel_guc *guc) } for (i = 0; i < guc->send_regs.count; i++) { - fw_domains |= intel_uncore_forcewake_for_reg(&dev_priv->uncore, + fw_domains |= intel_uncore_forcewake_for_reg(gt->uncore, guc_send_reg(guc, i), FW_REG_READ | FW_REG_WRITE); } @@ -76,7 +77,7 @@ void intel_guc_init_send_regs(struct intel_guc *guc) void intel_guc_init_early(struct intel_guc *guc) { - struct drm_i915_private *i915 = guc_to_i915(guc); + struct drm_i915_private *i915 = guc_to_gt(guc)->i915; intel_guc_fw_init_early(guc); intel_guc_ct_init_early(&guc->ct); @@ -99,90 +100,6 @@ void intel_guc_init_early(struct intel_guc *guc) } } -static int guc_init_wq(struct intel_guc *guc) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - - /* - * GuC log buffer flush work item has to do register access to - * send the ack to GuC and this work item, if not synced before - * suspend, can potentially get executed after the GFX device is - * suspended. - * By marking the WQ as freezable, we don't have to bother about - * flushing of this work item from the suspend hooks, the pending - * work item if any will be either executed before the suspend - * or scheduled later on resume. This way the handling of work - * item can be kept same between system suspend & rpm suspend. - */ - guc->log.relay.flush_wq = - alloc_ordered_workqueue("i915-guc_log", - WQ_HIGHPRI | WQ_FREEZABLE); - if (!guc->log.relay.flush_wq) { - DRM_ERROR("Couldn't allocate workqueue for GuC log\n"); - return -ENOMEM; - } - - /* - * Even though both sending GuC action, and adding a new workitem to - * GuC workqueue are serialized (each with its own locking), since - * we're using mutliple engines, it's possible that we're going to - * issue a preempt request with two (or more - each for different - * engine) workitems in GuC queue. In this situation, GuC may submit - * all of them, which will make us very confused. - * Our preemption contexts may even already be complete - before we - * even had the chance to sent the preempt action to GuC!. Rather - * than introducing yet another lock, we can just use ordered workqueue - * to make sure we're always sending a single preemption request with a - * single workitem. - */ - if (HAS_LOGICAL_RING_PREEMPTION(dev_priv) && - USES_GUC_SUBMISSION(dev_priv)) { - guc->preempt_wq = alloc_ordered_workqueue("i915-guc_preempt", - WQ_HIGHPRI); - if (!guc->preempt_wq) { - destroy_workqueue(guc->log.relay.flush_wq); - DRM_ERROR("Couldn't allocate workqueue for GuC " - "preemption\n"); - return -ENOMEM; - } - } - - return 0; -} - -static void guc_fini_wq(struct intel_guc *guc) -{ - struct workqueue_struct *wq; - - wq = fetch_and_zero(&guc->preempt_wq); - if (wq) - destroy_workqueue(wq); - - wq = fetch_and_zero(&guc->log.relay.flush_wq); - if (wq) - destroy_workqueue(wq); -} - -int intel_guc_init_misc(struct intel_guc *guc) -{ - struct drm_i915_private *i915 = guc_to_i915(guc); - int ret; - - ret = guc_init_wq(guc); - if (ret) - return ret; - - intel_uc_fw_fetch(i915, &guc->fw); - - return 0; -} - -void intel_guc_fini_misc(struct intel_guc *guc) -{ - intel_uc_fw_cleanup_fetch(&guc->fw); - guc_fini_wq(guc); -} - static int guc_shared_data_create(struct intel_guc *guc) { struct i915_vma *vma; @@ -209,66 +126,6 @@ static void guc_shared_data_destroy(struct intel_guc *guc) i915_vma_unpin_and_release(&guc->shared_data, I915_VMA_RELEASE_MAP); } -int intel_guc_init(struct intel_guc *guc) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - int ret; - - ret = intel_uc_fw_init(&guc->fw); - if (ret) - goto err_fetch; - - ret = guc_shared_data_create(guc); - if (ret) - goto err_fw; - GEM_BUG_ON(!guc->shared_data); - - ret = intel_guc_log_create(&guc->log); - if (ret) - goto err_shared; - - ret = intel_guc_ads_create(guc); - if (ret) - goto err_log; - GEM_BUG_ON(!guc->ads_vma); - - ret = intel_guc_ct_init(&guc->ct); - if (ret) - goto err_ads; - - /* We need to notify the guc whenever we change the GGTT */ - i915_ggtt_enable_guc(dev_priv); - - return 0; - -err_ads: - intel_guc_ads_destroy(guc); -err_log: - intel_guc_log_destroy(&guc->log); -err_shared: - guc_shared_data_destroy(guc); -err_fw: - intel_uc_fw_fini(&guc->fw); -err_fetch: - intel_uc_fw_cleanup_fetch(&guc->fw); - return ret; -} - -void intel_guc_fini(struct intel_guc *guc) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - - i915_ggtt_disable_guc(dev_priv); - - intel_guc_ct_fini(&guc->ct); - - intel_guc_ads_destroy(guc); - intel_guc_log_destroy(&guc->log); - guc_shared_data_destroy(guc); - intel_uc_fw_fini(&guc->fw); - intel_uc_fw_cleanup_fetch(&guc->fw); -} - static u32 guc_ctl_debug_flags(struct intel_guc *guc) { u32 level = intel_guc_log_get_level(&guc->log); @@ -287,7 +144,7 @@ static u32 guc_ctl_feature_flags(struct intel_guc *guc) { u32 flags = 0; - if (!USES_GUC_SUBMISSION(guc_to_i915(guc))) + if (!intel_uc_is_using_guc_submission(&guc_to_gt(guc)->uc)) flags |= GUC_CTL_DISABLE_SCHEDULER; return flags; @@ -297,7 +154,7 @@ static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc) { u32 flags = 0; - if (USES_GUC_SUBMISSION(guc_to_i915(guc))) { + if (intel_uc_is_using_guc_submission(&guc_to_gt(guc)->uc)) { u32 ctxnum, base; base = intel_guc_ggtt_offset(guc, guc->stage_desc_pool); @@ -364,13 +221,12 @@ static u32 guc_ctl_ads_flags(struct intel_guc *guc) * transfer. These parameters are read by the firmware on startup * and cannot be changed thereafter. */ -void intel_guc_init_params(struct intel_guc *guc) +static void guc_init_params(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); - u32 params[GUC_CTL_MAX_DWORDS]; + u32 *params = guc->params; int i; - memset(params, 0, sizeof(params)); + BUILD_BUG_ON(sizeof(guc->params) != GUC_CTL_MAX_DWORDS * sizeof(u32)); params[GUC_CTL_CTXINFO] = guc_ctl_ctxinfo_flags(guc); params[GUC_CTL_LOG_PARAMS] = guc_ctl_log_params_flags(guc); @@ -380,20 +236,109 @@ void intel_guc_init_params(struct intel_guc *guc) for (i = 0; i < GUC_CTL_MAX_DWORDS; i++) DRM_DEBUG_DRIVER("param[%2d] = %#x\n", i, params[i]); +} + +/* + * Initialise the GuC parameter block before starting the firmware + * transfer. These parameters are read by the firmware on startup + * and cannot be changed thereafter. + */ +void intel_guc_write_params(struct intel_guc *guc) +{ + struct intel_uncore *uncore = guc_to_gt(guc)->uncore; + int i; /* * All SOFT_SCRATCH registers are in FORCEWAKE_BLITTER domain and * they are power context saved so it's ok to release forcewake * when we are done here and take it again at xfer time. */ - intel_uncore_forcewake_get(&dev_priv->uncore, FORCEWAKE_BLITTER); + intel_uncore_forcewake_get(uncore, FORCEWAKE_BLITTER); - I915_WRITE(SOFT_SCRATCH(0), 0); + intel_uncore_write(uncore, SOFT_SCRATCH(0), 0); for (i = 0; i < GUC_CTL_MAX_DWORDS; i++) - I915_WRITE(SOFT_SCRATCH(1 + i), params[i]); + intel_uncore_write(uncore, SOFT_SCRATCH(1 + i), guc->params[i]); + + intel_uncore_forcewake_put(uncore, FORCEWAKE_BLITTER); +} - intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_BLITTER); +int intel_guc_init(struct intel_guc *guc) +{ + struct intel_gt *gt = guc_to_gt(guc); + int ret; + + ret = intel_uc_fw_init(&guc->fw); + if (ret) + goto err_fetch; + + ret = guc_shared_data_create(guc); + if (ret) + goto err_fw; + GEM_BUG_ON(!guc->shared_data); + + ret = intel_guc_log_create(&guc->log); + if (ret) + goto err_shared; + + ret = intel_guc_ads_create(guc); + if (ret) + goto err_log; + GEM_BUG_ON(!guc->ads_vma); + + ret = intel_guc_ct_init(&guc->ct); + if (ret) + goto err_ads; + + if (intel_uc_is_using_guc_submission(>->uc)) { + /* + * This is stuff we need to have available at fw load time + * if we are planning to enable submission later + */ + ret = intel_guc_submission_init(guc); + if (ret) + goto err_ct; + } + + /* now that everything is perma-pinned, initialize the parameters */ + guc_init_params(guc); + + /* We need to notify the guc whenever we change the GGTT */ + i915_ggtt_enable_guc(gt->ggtt); + + return 0; + +err_ct: + intel_guc_ct_fini(&guc->ct); +err_ads: + intel_guc_ads_destroy(guc); +err_log: + intel_guc_log_destroy(&guc->log); +err_shared: + guc_shared_data_destroy(guc); +err_fw: + intel_uc_fw_fini(&guc->fw); +err_fetch: + intel_uc_fw_cleanup_fetch(&guc->fw); + return ret; +} + +void intel_guc_fini(struct intel_guc *guc) +{ + struct intel_gt *gt = guc_to_gt(guc); + + i915_ggtt_disable_guc(gt->ggtt); + + if (intel_uc_is_using_guc_submission(>->uc)) + intel_guc_submission_fini(guc); + + intel_guc_ct_fini(&guc->ct); + + intel_guc_ads_destroy(guc); + intel_guc_log_destroy(&guc->log); + guc_shared_data_destroy(guc); + intel_uc_fw_fini(&guc->fw); + intel_uc_fw_cleanup_fetch(&guc->fw); } int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len, @@ -414,8 +359,7 @@ void intel_guc_to_host_event_handler_nop(struct intel_guc *guc) int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, u32 *response_buf, u32 response_buf_size) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); - struct intel_uncore *uncore = &dev_priv->uncore; + struct intel_uncore *uncore = guc_to_gt(guc)->uncore; u32 status; int i; int ret; @@ -464,7 +408,8 @@ int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, int count = min(response_buf_size, guc->send_regs.count - 1); for (i = 0; i < count; i++) - response_buf[i] = I915_READ(guc_send_reg(guc, i + 1)); + response_buf[i] = intel_uncore_read(uncore, + guc_send_reg(guc, i + 1)); } /* Use data from the GuC response as our return value */ @@ -497,7 +442,7 @@ int intel_guc_to_host_process_recv_msg(struct intel_guc *guc, int intel_guc_sample_forcewake(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct drm_i915_private *dev_priv = guc_to_gt(guc)->i915; u32 action[2]; action[0] = INTEL_GUC_ACTION_SAMPLE_FORCEWAKE; @@ -538,7 +483,7 @@ int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset) */ int intel_guc_suspend(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct intel_uncore *uncore = guc_to_gt(guc)->uncore; int ret; u32 status; u32 action[] = { @@ -556,13 +501,14 @@ int intel_guc_suspend(struct intel_guc *guc) * in progress so we need to take care of that ourselves as well. */ - I915_WRITE(SOFT_SCRATCH(14), INTEL_GUC_SLEEP_STATE_INVALID_MASK); + intel_uncore_write(uncore, SOFT_SCRATCH(14), + INTEL_GUC_SLEEP_STATE_INVALID_MASK); ret = intel_guc_send(guc, action, ARRAY_SIZE(action)); if (ret) return ret; - ret = __intel_wait_for_register(&dev_priv->uncore, SOFT_SCRATCH(14), + ret = __intel_wait_for_register(uncore, SOFT_SCRATCH(14), INTEL_GUC_SLEEP_STATE_INVALID_MASK, 0, 0, 10, &status); if (ret) @@ -658,17 +604,17 @@ int intel_guc_resume(struct intel_guc *guc) */ struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct intel_gt *gt = guc_to_gt(guc); struct drm_i915_gem_object *obj; struct i915_vma *vma; u64 flags; int ret; - obj = i915_gem_object_create_shmem(dev_priv, size); + obj = i915_gem_object_create_shmem(gt->i915, size); if (IS_ERR(obj)) return ERR_CAST(obj); - vma = i915_vma_instance(obj, &dev_priv->ggtt.vm, NULL); + vma = i915_vma_instance(obj, >->ggtt->vm, NULL); if (IS_ERR(vma)) goto err; diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h index 08c906abdfa2..714e9892aaff 100644 --- a/drivers/gpu/drm/i915/intel_guc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h @@ -35,10 +35,7 @@ #include "i915_utils.h" #include "i915_vma.h" -struct guc_preempt_work { - struct work_struct work; - struct intel_engine_cs *engine; -}; +struct __guc_ads_blob; /* * Top level structure of GuC. It handles firmware loading and manages client @@ -59,12 +56,14 @@ struct intel_guc { struct { bool enabled; - void (*reset)(struct drm_i915_private *i915); - void (*enable)(struct drm_i915_private *i915); - void (*disable)(struct drm_i915_private *i915); + void (*reset)(struct intel_guc *guc); + void (*enable)(struct intel_guc *guc); + void (*disable)(struct intel_guc *guc); } interrupts; struct i915_vma *ads_vma; + struct __guc_ads_blob *ads_blob; + struct i915_vma *stage_desc_pool; void *stage_desc_pool_vaddr; struct ida stage_ids; @@ -72,15 +71,14 @@ struct intel_guc { void *shared_data_vaddr; struct intel_guc_client *execbuf_client; - struct intel_guc_client *preempt_client; - - struct guc_preempt_work preempt_work[I915_NUM_ENGINES]; - struct workqueue_struct *preempt_wq; DECLARE_BITMAP(doorbell_bitmap, GUC_NUM_DOORBELLS); /* Cyclic counter mod pagesize */ u32 db_cacheline; + /* Control params for fw initialization */ + u32 params[GUC_CTL_MAX_DWORDS]; + /* GuC's FW specific registers used in MMIO send */ struct { u32 base; @@ -88,6 +86,9 @@ struct intel_guc { enum forcewake_domains fw_domains; } send_regs; + /* Store msg (e.g. log flush) that we see while CTBs are disabled */ + u32 mmio_msg; + /* To serialize the intel_guc_send actions */ struct mutex send_mutex; @@ -154,11 +155,9 @@ static inline u32 intel_guc_ggtt_offset(struct intel_guc *guc, void intel_guc_init_early(struct intel_guc *guc); void intel_guc_init_send_regs(struct intel_guc *guc); -void intel_guc_init_params(struct intel_guc *guc); -int intel_guc_init_misc(struct intel_guc *guc); +void intel_guc_write_params(struct intel_guc *guc); int intel_guc_init(struct intel_guc *guc); void intel_guc_fini(struct intel_guc *guc); -void intel_guc_fini_misc(struct intel_guc *guc); int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len, u32 *response_buf, u32 response_buf_size); int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, @@ -173,14 +172,16 @@ int intel_guc_suspend(struct intel_guc *guc); int intel_guc_resume(struct intel_guc *guc); struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size); -static inline bool intel_guc_is_loaded(struct intel_guc *guc) +static inline bool intel_guc_is_running(struct intel_guc *guc) { - return intel_uc_fw_is_loaded(&guc->fw); + return intel_uc_fw_is_running(&guc->fw); } static inline int intel_guc_sanitize(struct intel_guc *guc) { intel_uc_fw_sanitize(&guc->fw); + guc->mmio_msg = 0; + return 0; } diff --git a/drivers/gpu/drm/i915/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c index ecb69fc94218..a0da80241f22 100644 --- a/drivers/gpu/drm/i915/intel_guc_ads.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c @@ -22,6 +22,7 @@ * */ +#include "gt/intel_gt.h" #include "intel_guc_ads.h" #include "intel_uc.h" #include "i915_drv.h" @@ -83,18 +84,14 @@ struct __guc_ads_blob { u8 reg_state_buffer[GUC_S3_SAVE_SPACE_PAGES * PAGE_SIZE]; } __packed; -static int __guc_ads_init(struct intel_guc *guc) +static void __guc_ads_init(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); - struct __guc_ads_blob *blob; + struct drm_i915_private *dev_priv = guc_to_gt(guc)->i915; + struct __guc_ads_blob *blob = guc->ads_blob; const u32 skipped_size = LRC_PPHWSP_SZ * PAGE_SIZE + LR_HW_CONTEXT_SIZE; u32 base; u8 engine_class; - blob = i915_gem_object_pin_map(guc->ads_vma->obj, I915_MAP_WB); - if (IS_ERR(blob)) - return PTR_ERR(blob); - /* GuC scheduling policies */ guc_policies_init(&blob->policies); @@ -144,9 +141,7 @@ static int __guc_ads_init(struct intel_guc *guc) blob->ads.gt_system_info = base + ptr_offset(blob, system_info); blob->ads.clients_info = base + ptr_offset(blob, clients_info); - i915_gem_object_unpin_map(guc->ads_vma->obj); - - return 0; + i915_gem_object_flush_map(guc->ads_vma->obj); } /** @@ -160,6 +155,7 @@ int intel_guc_ads_create(struct intel_guc *guc) { const u32 size = PAGE_ALIGN(sizeof(struct __guc_ads_blob)); struct i915_vma *vma; + void *blob; int ret; GEM_BUG_ON(guc->ads_vma); @@ -168,11 +164,16 @@ int intel_guc_ads_create(struct intel_guc *guc) if (IS_ERR(vma)) return PTR_ERR(vma); + blob = i915_gem_object_pin_map(vma->obj, I915_MAP_WB); + if (IS_ERR(blob)) { + ret = PTR_ERR(blob); + goto err_vma; + } + guc->ads_vma = vma; + guc->ads_blob = blob; - ret = __guc_ads_init(guc); - if (ret) - goto err_vma; + __guc_ads_init(guc); return 0; @@ -183,7 +184,7 @@ err_vma: void intel_guc_ads_destroy(struct intel_guc *guc) { - i915_vma_unpin_and_release(&guc->ads_vma, 0); + i915_vma_unpin_and_release(&guc->ads_vma, I915_VMA_RELEASE_MAP); } /** diff --git a/drivers/gpu/drm/i915/intel_guc_ads.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h index 7f40f9cd5fb9..7f40f9cd5fb9 100644 --- a/drivers/gpu/drm/i915/intel_guc_ads.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.h diff --git a/drivers/gpu/drm/i915/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c index 3921809f812b..9e383a47609f 100644 --- a/drivers/gpu/drm/i915/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c @@ -529,8 +529,8 @@ unlink: /* * Command Transport (CT) buffer based GuC send function. */ -static int intel_guc_send_ct(struct intel_guc *guc, const u32 *action, u32 len, - u32 *response_buf, u32 response_buf_size) +int intel_guc_send_ct(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response_buf, u32 response_buf_size) { struct intel_guc_ct *ct = &guc->ct; struct intel_guc_ct_channel *ctch = &ct->host_channel; @@ -834,7 +834,7 @@ static void ct_process_host_channel(struct intel_guc_ct *ct) * When we're communicating with the GuC over CT, GuC uses events * to notify us about new messages being posted on the RECV buffer. */ -static void intel_guc_to_host_event_handler_ct(struct intel_guc *guc) +void intel_guc_to_host_event_handler_ct(struct intel_guc *guc) { struct intel_guc_ct *ct = &guc->ct; @@ -892,20 +892,11 @@ int intel_guc_ct_enable(struct intel_guc_ct *ct) { struct intel_guc *guc = ct_to_guc(ct); struct intel_guc_ct_channel *ctch = &ct->host_channel; - int err; if (ctch->enabled) return 0; - err = ctch_enable(guc, ctch); - if (unlikely(err)) - return err; - - /* Switch into cmd transport buffer based send() */ - guc->send = intel_guc_send_ct; - guc->handler = intel_guc_to_host_event_handler_ct; - DRM_INFO("CT: %s\n", enableddisabled(true)); - return 0; + return ctch_enable(guc, ctch); } /** @@ -921,9 +912,4 @@ void intel_guc_ct_disable(struct intel_guc_ct *ct) return; ctch_disable(guc, ctch); - - /* Disable send */ - guc->send = intel_guc_send_nop; - guc->handler = intel_guc_to_host_event_handler_nop; - DRM_INFO("CT: %s\n", enableddisabled(false)); } diff --git a/drivers/gpu/drm/i915/intel_guc_ct.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h index 41ba593a4df7..8c1f6d133168 100644 --- a/drivers/gpu/drm/i915/intel_guc_ct.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h @@ -24,11 +24,14 @@ #ifndef _INTEL_GUC_CT_H_ #define _INTEL_GUC_CT_H_ -struct intel_guc; -struct i915_vma; +#include <linux/spinlock.h> +#include <linux/workqueue.h> #include "intel_guc_fwif.h" +struct i915_vma; +struct intel_guc; + /** * DOC: Command Transport (CT). * @@ -101,4 +104,8 @@ static inline void intel_guc_ct_stop(struct intel_guc_ct *ct) ct->host_channel.enabled = false; } +int intel_guc_send_ct(struct intel_guc *guc, const u32 *action, u32 len, + u32 *response_buf, u32 response_buf_size); +void intel_guc_to_host_event_handler_ct(struct intel_guc *guc); + #endif /* _INTEL_GUC_CT_H_ */ diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c new file mode 100644 index 000000000000..28735c14b9a0 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c @@ -0,0 +1,181 @@ +/* + * Copyright © 2014 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Vinit Azad <vinit.azad@intel.com> + * Ben Widawsky <ben@bwidawsk.net> + * Dave Gordon <david.s.gordon@intel.com> + * Alex Dai <yu.dai@intel.com> + */ + +#include "gt/intel_gt.h" +#include "intel_guc_fw.h" +#include "i915_drv.h" + +/** + * intel_guc_fw_init_early() - initializes GuC firmware struct + * @guc: intel_guc struct + * + * On platforms with GuC selects firmware for uploading + */ +void intel_guc_fw_init_early(struct intel_guc *guc) +{ + intel_uc_fw_init_early(&guc->fw, INTEL_UC_FW_TYPE_GUC, guc_to_gt(guc)->i915); +} + +static void guc_prepare_xfer(struct intel_uncore *uncore) +{ + u32 shim_flags = GUC_DISABLE_SRAM_INIT_TO_ZEROES | + GUC_ENABLE_READ_CACHE_LOGIC | + GUC_ENABLE_MIA_CACHING | + GUC_ENABLE_READ_CACHE_FOR_SRAM_DATA | + GUC_ENABLE_READ_CACHE_FOR_WOPCM_DATA | + GUC_ENABLE_MIA_CLOCK_GATING; + + /* Must program this register before loading the ucode with DMA */ + intel_uncore_write(uncore, GUC_SHIM_CONTROL, shim_flags); + + if (IS_GEN9_LP(uncore->i915)) + intel_uncore_write(uncore, GEN9LP_GT_PM_CONFIG, GT_DOORBELL_ENABLE); + else + intel_uncore_write(uncore, GEN9_GT_PM_CONFIG, GT_DOORBELL_ENABLE); + + if (IS_GEN(uncore->i915, 9)) { + /* DOP Clock Gating Enable for GuC clocks */ + intel_uncore_rmw(uncore, GEN7_MISCCPCTL, + 0, GEN8_DOP_CLOCK_GATE_GUC_ENABLE); + + /* allows for 5us (in 10ns units) before GT can go to RC6 */ + intel_uncore_write(uncore, GUC_ARAT_C6DIS, 0x1FF); + } +} + +/* Copy RSA signature from the fw image to HW for verification */ +static void guc_xfer_rsa(struct intel_uc_fw *guc_fw, + struct intel_uncore *uncore) +{ + u32 rsa[UOS_RSA_SCRATCH_COUNT]; + size_t copied; + int i; + + copied = intel_uc_fw_copy_rsa(guc_fw, rsa, sizeof(rsa)); + GEM_BUG_ON(copied < sizeof(rsa)); + + for (i = 0; i < UOS_RSA_SCRATCH_COUNT; i++) + intel_uncore_write(uncore, UOS_RSA_SCRATCH(i), rsa[i]); +} + +/* + * Read the GuC status register (GUC_STATUS) and store it in the + * specified location; then return a boolean indicating whether + * the value matches either of two values representing completion + * of the GuC boot process. + * + * This is used for polling the GuC status in a wait_for() + * loop below. + */ +static inline bool guc_ready(struct intel_uncore *uncore, u32 *status) +{ + u32 val = intel_uncore_read(uncore, GUC_STATUS); + u32 uk_val = val & GS_UKERNEL_MASK; + + *status = val; + return (uk_val == GS_UKERNEL_READY) || + ((val & GS_MIA_CORE_STATE) && (uk_val == GS_UKERNEL_LAPIC_DONE)); +} + +static int guc_wait_ucode(struct intel_uncore *uncore) +{ + u32 status; + int ret; + + /* + * Wait for the GuC to start up. + * NB: Docs recommend not using the interrupt for completion. + * Measurements indicate this should take no more than 20ms, so a + * timeout here indicates that the GuC has failed and is unusable. + * (Higher levels of the driver may decide to reset the GuC and + * attempt the ucode load again if this happens.) + */ + ret = wait_for(guc_ready(uncore, &status), 100); + DRM_DEBUG_DRIVER("GuC status %#x\n", status); + + if ((status & GS_BOOTROM_MASK) == GS_BOOTROM_RSA_FAILED) { + DRM_ERROR("GuC firmware signature verification failed\n"); + ret = -ENOEXEC; + } + + if ((status & GS_UKERNEL_MASK) == GS_UKERNEL_EXCEPTION) { + DRM_ERROR("GuC firmware exception. EIP: %#x\n", + intel_uncore_read(uncore, SOFT_SCRATCH(13))); + ret = -ENXIO; + } + + return ret; +} + +/** + * intel_guc_fw_upload() - load GuC uCode to device + * @guc: intel_guc structure + * + * Called from intel_uc_init_hw() during driver load, resume from sleep and + * after a GPU reset. + * + * The firmware image should have already been fetched into memory, so only + * check that fetch succeeded, and then transfer the image to the h/w. + * + * Return: non-zero code on error + */ +int intel_guc_fw_upload(struct intel_guc *guc) +{ + struct intel_gt *gt = guc_to_gt(guc); + struct intel_uncore *uncore = gt->uncore; + int ret; + + guc_prepare_xfer(uncore); + + /* + * Note that GuC needs the CSS header plus uKernel code to be copied + * by the DMA engine in one operation, whereas the RSA signature is + * loaded via MMIO. + */ + guc_xfer_rsa(&guc->fw, uncore); + + /* + * Current uCode expects the code to be loaded at 8k; locations below + * this are used for the stack. + */ + ret = intel_uc_fw_upload(&guc->fw, gt, 0x2000, UOS_MOVE); + if (ret) + goto out; + + ret = guc_wait_ucode(uncore); + if (ret) + goto out; + + guc->fw.status = INTEL_UC_FIRMWARE_RUNNING; + return 0; + +out: + guc->fw.status = INTEL_UC_FIRMWARE_FAIL; + return ret; +} diff --git a/drivers/gpu/drm/i915/intel_guc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h index 4ec5d3d9e2b0..4ec5d3d9e2b0 100644 --- a/drivers/gpu/drm/i915/intel_guc_fw.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h index f55f3bc8524d..06a9bdfb0faf 100644 --- a/drivers/gpu/drm/i915/intel_guc_fwif.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h @@ -23,6 +23,10 @@ #ifndef _INTEL_GUC_FWIF_H #define _INTEL_GUC_FWIF_H +#include <linux/bits.h> +#include <linux/compiler.h> +#include <linux/types.h> + #define GUC_CLIENT_PRIORITY_KMD_HIGH 0 #define GUC_CLIENT_PRIORITY_HIGH 1 #define GUC_CLIENT_PRIORITY_KMD_NORMAL 2 @@ -39,13 +43,8 @@ #define GUC_VIDEO_ENGINE2 4 #define GUC_MAX_ENGINES_NUM (GUC_VIDEO_ENGINE2 + 1) -/* - * XXX: Beware that Gen9 firmware 32.x uses wrong definition for - * GUC_MAX_INSTANCES_PER_CLASS (1) but this is harmless for us now - * as we are not enabling GuC submission mode where this will be used - */ #define GUC_MAX_ENGINE_CLASSES 5 -#define GUC_MAX_INSTANCES_PER_CLASS 4 +#define GUC_MAX_INSTANCES_PER_CLASS 16 #define GUC_DOORBELL_INVALID 256 @@ -122,76 +121,6 @@ #define GUC_CTL_MAX_DWORDS (SOFT_SCRATCH_COUNT - 2) /* [1..14] */ -/** - * DOC: GuC Firmware Layout - * - * The GuC firmware layout looks like this: - * - * +-------------------------------+ - * | uc_css_header | - * | | - * | contains major/minor version | - * +-------------------------------+ - * | uCode | - * +-------------------------------+ - * | RSA signature | - * +-------------------------------+ - * | modulus key | - * +-------------------------------+ - * | exponent val | - * +-------------------------------+ - * - * The firmware may or may not have modulus key and exponent data. The header, - * uCode and RSA signature are must-have components that will be used by driver. - * Length of each components, which is all in dwords, can be found in header. - * In the case that modulus and exponent are not present in fw, a.k.a truncated - * image, the length value still appears in header. - * - * Driver will do some basic fw size validation based on the following rules: - * - * 1. Header, uCode and RSA are must-have components. - * 2. All firmware components, if they present, are in the sequence illustrated - * in the layout table above. - * 3. Length info of each component can be found in header, in dwords. - * 4. Modulus and exponent key are not required by driver. They may not appear - * in fw. So driver will load a truncated firmware in this case. - * - * HuC firmware layout is same as GuC firmware. - * Only HuC version information is saved in a different way. - */ - -struct uc_css_header { - u32 module_type; - /* header_size includes all non-uCode bits, including css_header, rsa - * key, modulus key and exponent data. */ - u32 header_size_dw; - u32 header_version; - u32 module_id; - u32 module_vendor; - u32 date; -#define CSS_DATE_DAY (0xFF << 0) -#define CSS_DATE_MONTH (0xFF << 8) -#define CSS_DATE_YEAR (0xFFFF << 16) - u32 size_dw; /* uCode plus header_size_dw */ - u32 key_size_dw; - u32 modulus_size_dw; - u32 exponent_size_dw; - u32 time; -#define CSS_TIME_HOUR (0xFF << 0) -#define CSS_DATE_MIN (0xFF << 8) -#define CSS_DATE_SEC (0xFFFF << 16) - char username[8]; - char buildnumber[12]; - u32 sw_version; -#define CSS_SW_VERSION_GUC_MAJOR (0xFF << 16) -#define CSS_SW_VERSION_GUC_MINOR (0xFF << 8) -#define CSS_SW_VERSION_GUC_PATCH (0xFF << 0) -#define CSS_SW_VERSION_HUC_MAJOR (0xFFFF << 16) -#define CSS_SW_VERSION_HUC_MINOR (0xFFFF << 0) - u32 reserved[14]; - u32 header_info; -} __packed; - /* Work item for submitting workloads into work queue of GuC. */ struct guc_wq_item { u32 header; diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c index e3b83ecb90b5..3460deca12c8 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c @@ -24,6 +24,7 @@ #include <linux/debugfs.h> +#include "gt/intel_gt.h" #include "intel_guc_log.h" #include "i915_drv.h" @@ -209,7 +210,7 @@ static bool guc_check_log_buf_overflow(struct intel_guc_log *log, log->stats[type].sampled_overflow += 16; } - dev_notice_ratelimited(guc_to_i915(log_to_guc(log))->drm.dev, + dev_notice_ratelimited(guc_to_gt(log_to_guc(log))->i915->drm.dev, "GuC log buffer overflow\n"); } @@ -383,7 +384,7 @@ void intel_guc_log_init_early(struct intel_guc_log *log) static int guc_log_relay_create(struct intel_guc_log *log) { struct intel_guc *guc = log_to_guc(log); - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct drm_i915_private *dev_priv = guc_to_gt(guc)->i915; struct rchan *guc_log_relay_chan; size_t n_subbufs, subbuf_size; int ret; @@ -429,7 +430,7 @@ static void guc_log_relay_destroy(struct intel_guc_log *log) static void guc_log_capture_logs(struct intel_guc_log *log) { struct intel_guc *guc = log_to_guc(log); - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct drm_i915_private *dev_priv = guc_to_gt(guc)->i915; intel_wakeref_t wakeref; guc_read_update_log_buffer(log); @@ -442,6 +443,29 @@ static void guc_log_capture_logs(struct intel_guc_log *log) guc_action_flush_log_complete(guc); } +static u32 __get_default_log_level(struct intel_guc_log *log) +{ + /* A negative value means "use platform/config default" */ + if (i915_modparams.guc_log_level < 0) { + return (IS_ENABLED(CONFIG_DRM_I915_DEBUG) || + IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)) ? + GUC_LOG_LEVEL_MAX : GUC_LOG_LEVEL_NON_VERBOSE; + } + + if (i915_modparams.guc_log_level > GUC_LOG_LEVEL_MAX) { + DRM_WARN("Incompatible option detected: %s=%d, %s!\n", + "guc_log_level", i915_modparams.guc_log_level, + "verbosity too high"); + return (IS_ENABLED(CONFIG_DRM_I915_DEBUG) || + IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)) ? + GUC_LOG_LEVEL_MAX : GUC_LOG_LEVEL_DISABLED; + } + + GEM_BUG_ON(i915_modparams.guc_log_level < GUC_LOG_LEVEL_DISABLED); + GEM_BUG_ON(i915_modparams.guc_log_level > GUC_LOG_LEVEL_MAX); + return i915_modparams.guc_log_level; +} + int intel_guc_log_create(struct intel_guc_log *log) { struct intel_guc *guc = log_to_guc(log); @@ -481,7 +505,11 @@ int intel_guc_log_create(struct intel_guc_log *log) log->vma = vma; - log->level = i915_modparams.guc_log_level; + log->level = __get_default_log_level(log); + DRM_DEBUG_DRIVER("guc_log_level=%d (%s, verbose:%s, verbosity:%d)\n", + log->level, enableddisabled(log->level), + yesno(GUC_LOG_LEVEL_IS_VERBOSE(log->level)), + GUC_LOG_LEVEL_TO_VERBOSITY(log->level)); return 0; @@ -498,7 +526,7 @@ void intel_guc_log_destroy(struct intel_guc_log *log) int intel_guc_log_set_level(struct intel_guc_log *log, u32 level) { struct intel_guc *guc = log_to_guc(log); - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct drm_i915_private *dev_priv = guc_to_gt(guc)->i915; intel_wakeref_t wakeref; int ret = 0; @@ -578,7 +606,7 @@ int intel_guc_log_relay_open(struct intel_guc_log *log) * the flush notification. This means that we need to unconditionally * flush on relay enabling, since GuC only notifies us once. */ - queue_work(log->relay.flush_wq, &log->relay.flush_work); + queue_work(system_highpri_wq, &log->relay.flush_work); return 0; @@ -593,7 +621,7 @@ out_unlock: void intel_guc_log_relay_flush(struct intel_guc_log *log) { struct intel_guc *guc = log_to_guc(log); - struct drm_i915_private *i915 = guc_to_i915(guc); + struct drm_i915_private *i915 = guc_to_gt(guc)->i915; intel_wakeref_t wakeref; /* @@ -612,10 +640,10 @@ void intel_guc_log_relay_flush(struct intel_guc_log *log) void intel_guc_log_relay_close(struct intel_guc_log *log) { struct intel_guc *guc = log_to_guc(log); - struct drm_i915_private *i915 = guc_to_i915(guc); + struct drm_i915_private *i915 = guc_to_gt(guc)->i915; guc_log_disable_flush_events(log); - synchronize_irq(i915->drm.irq); + intel_synchronize_irq(i915); flush_work(&log->relay.flush_work); @@ -628,5 +656,5 @@ void intel_guc_log_relay_close(struct intel_guc_log *log) void intel_guc_log_handle_flush_event(struct intel_guc_log *log) { - queue_work(log->relay.flush_wq, &log->relay.flush_work); + queue_work(system_highpri_wq, &log->relay.flush_work); } diff --git a/drivers/gpu/drm/i915/intel_guc_log.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h index 7bc763f10c03..1969572f1f79 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h @@ -66,7 +66,6 @@ struct intel_guc_log { struct i915_vma *vma; struct { void *buf_addr; - struct workqueue_struct *flush_wq; struct work_struct flush_work; struct rchan *channel; struct mutex lock; diff --git a/drivers/gpu/drm/i915/intel_guc_reg.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h index a214f8b71929..e3cbb23299ce 100644 --- a/drivers/gpu/drm/i915/intel_guc_reg.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h @@ -24,6 +24,11 @@ #ifndef _INTEL_GUC_REG_H_ #define _INTEL_GUC_REG_H_ +#include <linux/compiler.h> +#include <linux/types.h> + +#include "i915_reg.h" + /* Definitions of GuC H/W registers, bits, etc */ #define GUC_STATUS _MMIO(0xc000) @@ -37,6 +42,7 @@ #define GS_UKERNEL_MASK (0xFF << GS_UKERNEL_SHIFT) #define GS_UKERNEL_LAPIC_DONE (0x30 << GS_UKERNEL_SHIFT) #define GS_UKERNEL_DPC_ERROR (0x60 << GS_UKERNEL_SHIFT) +#define GS_UKERNEL_EXCEPTION (0x70 << GS_UKERNEL_SHIFT) #define GS_UKERNEL_READY (0xF0 << GS_UKERNEL_SHIFT) #define GS_MIA_SHIFT 16 #define GS_MIA_MASK (0x07 << GS_MIA_SHIFT) @@ -135,21 +141,21 @@ struct guc_doorbell_info { #define GUC_PM_P24C_IER _MMIO(0xC55C) /* GuC Interrupt Vector */ -#define GEN11_GUC_INTR_GUC2HOST (1 << 15) -#define GEN11_GUC_INTR_EXEC_ERROR (1 << 14) -#define GEN11_GUC_INTR_DISPLAY_EVENT (1 << 13) -#define GEN11_GUC_INTR_SEM_SIG (1 << 12) -#define GEN11_GUC_INTR_IOMMU2GUC (1 << 11) -#define GEN11_GUC_INTR_DOORBELL_RANG (1 << 10) -#define GEN11_GUC_INTR_DMA_DONE (1 << 9) -#define GEN11_GUC_INTR_FATAL_ERROR (1 << 8) -#define GEN11_GUC_INTR_NOTIF_ERROR (1 << 7) -#define GEN11_GUC_INTR_SW_INT_6 (1 << 6) -#define GEN11_GUC_INTR_SW_INT_5 (1 << 5) -#define GEN11_GUC_INTR_SW_INT_4 (1 << 4) -#define GEN11_GUC_INTR_SW_INT_3 (1 << 3) -#define GEN11_GUC_INTR_SW_INT_2 (1 << 2) -#define GEN11_GUC_INTR_SW_INT_1 (1 << 1) -#define GEN11_GUC_INTR_SW_INT_0 (1 << 0) +#define GUC_INTR_GUC2HOST BIT(15) +#define GUC_INTR_EXEC_ERROR BIT(14) +#define GUC_INTR_DISPLAY_EVENT BIT(13) +#define GUC_INTR_SEM_SIG BIT(12) +#define GUC_INTR_IOMMU2GUC BIT(11) +#define GUC_INTR_DOORBELL_RANG BIT(10) +#define GUC_INTR_DMA_DONE BIT(9) +#define GUC_INTR_FATAL_ERROR BIT(8) +#define GUC_INTR_NOTIF_ERROR BIT(7) +#define GUC_INTR_SW_INT_6 BIT(6) +#define GUC_INTR_SW_INT_5 BIT(5) +#define GUC_INTR_SW_INT_4 BIT(4) +#define GUC_INTR_SW_INT_3 BIT(3) +#define GUC_INTR_SW_INT_2 BIT(2) +#define GUC_INTR_SW_INT_1 BIT(1) +#define GUC_INTR_SW_INT_0 BIT(0) #endif diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index db531ebc7704..b4238fe16a03 100644 --- a/drivers/gpu/drm/i915/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -24,15 +24,21 @@ #include <linux/circ_buf.h> -#include "gt/intel_engine_pm.h" -#include "gt/intel_lrc_reg.h" -#include "gt/intel_context.h" #include "gem/i915_gem_context.h" +#include "gt/intel_context.h" +#include "gt/intel_engine_pm.h" +#include "gt/intel_gt.h" +#include "gt/intel_lrc_reg.h" #include "intel_guc_submission.h" + #include "i915_drv.h" -#define GUC_PREEMPT_FINISHED 0x1 +enum { + GUC_PREEMPT_NONE = 0, + GUC_PREEMPT_INPROGRESS, + GUC_PREEMPT_FINISHED, +}; #define GUC_PREEMPT_BREADCRUMB_DWORDS 0x8 #define GUC_PREEMPT_BREADCRUMB_BYTES \ (sizeof(u32) * GUC_PREEMPT_BREADCRUMB_DWORDS) @@ -42,11 +48,10 @@ * * GuC client: * A intel_guc_client refers to a submission path through GuC. Currently, there - * are two clients. One of them (the execbuf_client) is charged with all - * submissions to the GuC, the other one (preempt_client) is responsible for - * preempting the execbuf_client. This struct is the owner of a doorbell, a - * process descriptor and a workqueue (all of them inside a single gem object - * that contains all required pages for these elements). + * is only one client, which is charged with all submissions to the GuC. This + * struct is the owner of a doorbell, a process descriptor and a workqueue (all + * of them inside a single gem object that contains all required pages for these + * elements). * * GuC stage descriptor: * During initialization, the driver allocates a static pool of 1024 such @@ -84,12 +89,6 @@ * */ -static inline u32 intel_hws_preempt_done_address(struct intel_engine_cs *engine) -{ - return (i915_ggtt_offset(engine->status_page.vma) + - I915_GEM_HWS_PREEMPT_ADDR); -} - static inline struct i915_priolist *to_priolist(struct rb_node *rb) { return rb_entry(rb, struct i915_priolist, node); @@ -203,10 +202,10 @@ static struct guc_doorbell_info *__get_doorbell(struct intel_guc_client *client) static bool __doorbell_valid(struct intel_guc *guc, u16 db_id) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct intel_uncore *uncore = guc_to_gt(guc)->uncore; GEM_BUG_ON(db_id >= GUC_NUM_DOORBELLS); - return I915_READ(GEN8_DRBREGL(db_id)) & GEN8_DRB_VALID; + return intel_uncore_read(uncore, GEN8_DRBREGL(db_id)) & GEN8_DRB_VALID; } static void __init_doorbell(struct intel_guc_client *client) @@ -366,10 +365,7 @@ static void guc_stage_desc_pool_destroy(struct intel_guc *guc) static void guc_stage_desc_init(struct intel_guc_client *client) { struct intel_guc *guc = client->guc; - struct i915_gem_context *ctx = client->owner; - struct i915_gem_engines_iter it; struct guc_stage_desc *desc; - struct intel_context *ce; u32 gfx_addr; desc = __get_stage_desc(client); @@ -383,55 +379,6 @@ static void guc_stage_desc_init(struct intel_guc_client *client) desc->priority = client->priority; desc->db_id = client->doorbell_id; - for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) { - struct guc_execlist_context *lrc; - - if (!(ce->engine->mask & client->engines)) - continue; - - /* TODO: We have a design issue to be solved here. Only when we - * receive the first batch, we know which engine is used by the - * user. But here GuC expects the lrc and ring to be pinned. It - * is not an issue for default context, which is the only one - * for now who owns a GuC client. But for future owner of GuC - * client, need to make sure lrc is pinned prior to enter here. - */ - if (!ce->state) - break; /* XXX: continue? */ - - /* - * XXX: When this is a GUC_STAGE_DESC_ATTR_KERNEL client (proxy - * submission or, in other words, not using a direct submission - * model) the KMD's LRCA is not used for any work submission. - * Instead, the GuC uses the LRCA of the user mode context (see - * guc_add_request below). - */ - lrc = &desc->lrc[ce->engine->guc_id]; - lrc->context_desc = lower_32_bits(ce->lrc_desc); - - /* The state page is after PPHWSP */ - lrc->ring_lrca = intel_guc_ggtt_offset(guc, ce->state) + - LRC_STATE_PN * PAGE_SIZE; - - /* XXX: In direct submission, the GuC wants the HW context id - * here. In proxy submission, it wants the stage id - */ - lrc->context_id = (client->stage_id << GUC_ELC_CTXID_OFFSET) | - (ce->engine->guc_id << GUC_ELC_ENGINE_OFFSET); - - lrc->ring_begin = intel_guc_ggtt_offset(guc, ce->ring->vma); - lrc->ring_end = lrc->ring_begin + ce->ring->size - 1; - lrc->ring_next_free_location = lrc->ring_begin; - lrc->ring_current_tail_pointer_value = 0; - - desc->engines_used |= BIT(ce->engine->guc_id); - } - i915_gem_context_unlock_engines(ctx); - - DRM_DEBUG_DRIVER("Host engines 0x%x => GuC engines used 0x%x\n", - client->engines, desc->engines_used); - WARN_ON(desc->engines_used == 0); - /* * The doorbell, process descriptor, and workqueue are all parts * of the client object, which the GuC will reference via the GGTT @@ -537,15 +484,11 @@ static void guc_add_request(struct intel_guc *guc, struct i915_request *rq) u32 ctx_desc = lower_32_bits(rq->hw_context->lrc_desc); u32 ring_tail = intel_ring_set_tail(rq->ring, rq->tail) / sizeof(u64); - spin_lock(&client->wq_lock); - guc_wq_item_append(client, engine->guc_id, ctx_desc, ring_tail, rq->fence.seqno); guc_ring_doorbell(client); client->submissions[engine->id] += 1; - - spin_unlock(&client->wq_lock); } /* @@ -563,207 +506,72 @@ static void flush_ggtt_writes(struct i915_vma *vma) intel_uncore_posting_read_fw(&i915->uncore, GUC_STATUS); } -static void inject_preempt_context(struct work_struct *work) +static void guc_submit(struct intel_engine_cs *engine, + struct i915_request **out, + struct i915_request **end) { - struct guc_preempt_work *preempt_work = - container_of(work, typeof(*preempt_work), work); - struct intel_engine_cs *engine = preempt_work->engine; - struct intel_guc *guc = container_of(preempt_work, typeof(*guc), - preempt_work[engine->id]); - struct intel_guc_client *client = guc->preempt_client; - struct guc_stage_desc *stage_desc = __get_stage_desc(client); - struct intel_context *ce = engine->preempt_context; - u32 data[7]; - - if (!ce->ring->emit) { /* recreate upon load/resume */ - u32 addr = intel_hws_preempt_done_address(engine); - u32 *cs; - - cs = ce->ring->vaddr; - if (engine->class == RENDER_CLASS) { - cs = gen8_emit_ggtt_write_rcs(cs, - GUC_PREEMPT_FINISHED, - addr, - PIPE_CONTROL_CS_STALL); - } else { - cs = gen8_emit_ggtt_write(cs, - GUC_PREEMPT_FINISHED, - addr, - 0); - *cs++ = MI_NOOP; - *cs++ = MI_NOOP; - } - *cs++ = MI_USER_INTERRUPT; - *cs++ = MI_NOOP; - - ce->ring->emit = GUC_PREEMPT_BREADCRUMB_BYTES; - GEM_BUG_ON((void *)cs - ce->ring->vaddr != ce->ring->emit); + struct intel_guc *guc = &engine->gt->uc.guc; + struct intel_guc_client *client = guc->execbuf_client; - flush_ggtt_writes(ce->ring->vma); - } + spin_lock(&client->wq_lock); - spin_lock_irq(&client->wq_lock); - guc_wq_item_append(client, engine->guc_id, lower_32_bits(ce->lrc_desc), - GUC_PREEMPT_BREADCRUMB_BYTES / sizeof(u64), 0); - spin_unlock_irq(&client->wq_lock); + do { + struct i915_request *rq = *out++; - /* - * If GuC firmware performs an engine reset while that engine had - * a preemption pending, it will set the terminated attribute bit - * on our preemption stage descriptor. GuC firmware retains all - * pending work items for a high-priority GuC client, unlike the - * normal-priority GuC client where work items are dropped. It - * wants to make sure the preempt-to-idle work doesn't run when - * scheduling resumes, and uses this bit to inform its scheduler - * and presumably us as well. Our job is to clear it for the next - * preemption after reset, otherwise that and future preemptions - * will never complete. We'll just clear it every time. - */ - stage_desc->attribute &= ~GUC_STAGE_DESC_ATTR_TERMINATED; - - data[0] = INTEL_GUC_ACTION_REQUEST_PREEMPTION; - data[1] = client->stage_id; - data[2] = INTEL_GUC_PREEMPT_OPTION_DROP_WORK_Q | - INTEL_GUC_PREEMPT_OPTION_DROP_SUBMIT_Q; - data[3] = engine->guc_id; - data[4] = guc->execbuf_client->priority; - data[5] = guc->execbuf_client->stage_id; - data[6] = intel_guc_ggtt_offset(guc, guc->shared_data); - - if (WARN_ON(intel_guc_send(guc, data, ARRAY_SIZE(data)))) { - execlists_clear_active(&engine->execlists, - EXECLISTS_ACTIVE_PREEMPT); - tasklet_schedule(&engine->execlists.tasklet); - } + flush_ggtt_writes(rq->ring->vma); + guc_add_request(guc, rq); + } while (out != end); - (void)I915_SELFTEST_ONLY(engine->execlists.preempt_hang.count++); + spin_unlock(&client->wq_lock); } -/* - * We're using user interrupt and HWSP value to mark that preemption has - * finished and GPU is idle. Normally, we could unwind and continue similar to - * execlists submission path. Unfortunately, with GuC we also need to wait for - * it to finish its own postprocessing, before attempting to submit. Otherwise - * GuC may silently ignore our submissions, and thus we risk losing request at - * best, executing out-of-order and causing kernel panic at worst. - */ -#define GUC_PREEMPT_POSTPROCESS_DELAY_MS 10 -static void wait_for_guc_preempt_report(struct intel_engine_cs *engine) +static inline int rq_prio(const struct i915_request *rq) { - struct intel_guc *guc = &engine->i915->guc; - struct guc_shared_ctx_data *data = guc->shared_data_vaddr; - struct guc_ctx_report *report = - &data->preempt_ctx_report[engine->guc_id]; - - if (wait_for_atomic(report->report_return_status == - INTEL_GUC_REPORT_STATUS_COMPLETE, - GUC_PREEMPT_POSTPROCESS_DELAY_MS)) - DRM_ERROR("Timed out waiting for GuC preemption report\n"); - /* - * GuC is expecting that we're also going to clear the affected context - * counter, let's also reset the return status to not depend on GuC - * resetting it after recieving another preempt action - */ - report->affected_count = 0; - report->report_return_status = INTEL_GUC_REPORT_STATUS_UNKNOWN; + return rq->sched.attr.priority | __NO_PREEMPTION; } -static void complete_preempt_context(struct intel_engine_cs *engine) +static struct i915_request *schedule_in(struct i915_request *rq, int idx) { - struct intel_engine_execlists *execlists = &engine->execlists; - - GEM_BUG_ON(!execlists_is_active(execlists, EXECLISTS_ACTIVE_PREEMPT)); - - if (inject_preempt_hang(execlists)) - return; + trace_i915_request_in(rq, idx); - execlists_cancel_port_requests(execlists); - execlists_unwind_incomplete_requests(execlists); + if (!rq->hw_context->inflight) + rq->hw_context->inflight = rq->engine; + intel_context_inflight_inc(rq->hw_context); - wait_for_guc_preempt_report(engine); - intel_write_status_page(engine, I915_GEM_HWS_PREEMPT, 0); + return i915_request_get(rq); } -/** - * guc_submit() - Submit commands through GuC - * @engine: engine associated with the commands - * - * The only error here arises if the doorbell hardware isn't functioning - * as expected, which really shouln't happen. - */ -static void guc_submit(struct intel_engine_cs *engine) +static void schedule_out(struct i915_request *rq) { - struct intel_guc *guc = &engine->i915->guc; - struct intel_engine_execlists * const execlists = &engine->execlists; - struct execlist_port *port = execlists->port; - unsigned int n; - - for (n = 0; n < execlists_num_ports(execlists); n++) { - struct i915_request *rq; - unsigned int count; - - rq = port_unpack(&port[n], &count); - if (rq && count == 0) { - port_set(&port[n], port_pack(rq, ++count)); - - flush_ggtt_writes(rq->ring->vma); - - guc_add_request(guc, rq); - } - } -} + trace_i915_request_out(rq); -static void port_assign(struct execlist_port *port, struct i915_request *rq) -{ - GEM_BUG_ON(port_isset(port)); + intel_context_inflight_dec(rq->hw_context); + if (!intel_context_inflight_count(rq->hw_context)) + rq->hw_context->inflight = NULL; - port_set(port, i915_request_get(rq)); + i915_request_put(rq); } -static inline int rq_prio(const struct i915_request *rq) -{ - return rq->sched.attr.priority; -} - -static inline int port_prio(const struct execlist_port *port) -{ - return rq_prio(port_request(port)) | __NO_PREEMPTION; -} - -static bool __guc_dequeue(struct intel_engine_cs *engine) +static void __guc_dequeue(struct intel_engine_cs *engine) { struct intel_engine_execlists * const execlists = &engine->execlists; - struct execlist_port *port = execlists->port; - struct i915_request *last = NULL; - const struct execlist_port * const last_port = - &execlists->port[execlists->port_mask]; + struct i915_request **first = execlists->inflight; + struct i915_request ** const last_port = first + execlists->port_mask; + struct i915_request *last = first[0]; + struct i915_request **port; bool submit = false; struct rb_node *rb; lockdep_assert_held(&engine->active.lock); - if (port_isset(port)) { - if (intel_engine_has_preemption(engine)) { - struct guc_preempt_work *preempt_work = - &engine->i915->guc.preempt_work[engine->id]; - int prio = execlists->queue_priority_hint; - - if (i915_scheduler_need_preempt(prio, - port_prio(port))) { - execlists_set_active(execlists, - EXECLISTS_ACTIVE_PREEMPT); - queue_work(engine->i915->guc.preempt_wq, - &preempt_work->work); - return false; - } - } + if (last) { + if (*++first) + return; - port++; - if (port_isset(port)) - return false; + last = NULL; } - GEM_BUG_ON(port_isset(port)); + port = first; while ((rb = rb_first_cached(&execlists->queue))) { struct i915_priolist *p = to_priolist(rb); struct i915_request *rq, *rn; @@ -774,18 +582,15 @@ static bool __guc_dequeue(struct intel_engine_cs *engine) if (port == last_port) goto done; - if (submit) - port_assign(port, last); + *port = schedule_in(last, + port - execlists->inflight); port++; } list_del_init(&rq->sched.link); - __i915_request_submit(rq); - trace_i915_request_in(rq, port_index(port, execlists)); - - last = rq; submit = true; + last = rq; } rb_erase_cached(&p->node, &execlists->queue); @@ -794,58 +599,36 @@ static bool __guc_dequeue(struct intel_engine_cs *engine) done: execlists->queue_priority_hint = rb ? to_priolist(rb)->priority : INT_MIN; - if (submit) - port_assign(port, last); - if (last) - execlists_user_begin(execlists, execlists->port); - - /* We must always keep the beast fed if we have work piled up */ - GEM_BUG_ON(port_isset(execlists->port) && - !execlists_is_active(execlists, EXECLISTS_ACTIVE_USER)); - GEM_BUG_ON(rb_first_cached(&execlists->queue) && - !port_isset(execlists->port)); - - return submit; -} - -static void guc_dequeue(struct intel_engine_cs *engine) -{ - if (__guc_dequeue(engine)) - guc_submit(engine); + if (submit) { + *port = schedule_in(last, port - execlists->inflight); + *++port = NULL; + guc_submit(engine, first, port); + } + execlists->active = execlists->inflight; } static void guc_submission_tasklet(unsigned long data) { struct intel_engine_cs * const engine = (struct intel_engine_cs *)data; struct intel_engine_execlists * const execlists = &engine->execlists; - struct execlist_port *port = execlists->port; - struct i915_request *rq; + struct i915_request **port, *rq; unsigned long flags; spin_lock_irqsave(&engine->active.lock, flags); - rq = port_request(port); - while (rq && i915_request_completed(rq)) { - trace_i915_request_out(rq); - i915_request_put(rq); - - port = execlists_port_complete(execlists, port); - if (port_isset(port)) { - execlists_user_begin(execlists, port); - rq = port_request(port); - } else { - execlists_user_end(execlists); - rq = NULL; - } - } + for (port = execlists->inflight; (rq = *port); port++) { + if (!i915_request_completed(rq)) + break; - if (execlists_is_active(execlists, EXECLISTS_ACTIVE_PREEMPT) && - intel_read_status_page(engine, I915_GEM_HWS_PREEMPT) == - GUC_PREEMPT_FINISHED) - complete_preempt_context(engine); + schedule_out(rq); + } + if (port != execlists->inflight) { + int idx = port - execlists->inflight; + int rem = ARRAY_SIZE(execlists->inflight) - idx; + memmove(execlists->inflight, port, rem * sizeof(*port)); + } - if (!execlists_is_active(execlists, EXECLISTS_ACTIVE_PREEMPT)) - guc_dequeue(engine); + __guc_dequeue(engine); spin_unlock_irqrestore(&engine->active.lock, flags); } @@ -866,16 +649,6 @@ static void guc_reset_prepare(struct intel_engine_cs *engine) * prevents the race. */ __tasklet_disable_sync_once(&execlists->tasklet); - - /* - * We're using worker to queue preemption requests from the tasklet in - * GuC submission mode. - * Even though tasklet was disabled, we may still have a worker queued. - * Let's make sure that all workers scheduled before disabling the - * tasklet are completed before continuing with the reset. - */ - if (engine->i915->guc.preempt_wq) - flush_workqueue(engine->i915->guc.preempt_wq); } static void guc_reset(struct intel_engine_cs *engine, bool stalled) @@ -896,7 +669,7 @@ static void guc_reset(struct intel_engine_cs *engine, bool stalled) if (!i915_request_started(rq)) stalled = false; - i915_reset_request(rq, stalled); + __i915_request_reset(rq, stalled); intel_lr_context_reset(engine, rq->hw_context, rq->head, stalled); out_unlock: @@ -959,7 +732,6 @@ static void guc_cancel_requests(struct intel_engine_cs *engine) execlists->queue_priority_hint = INT_MIN; execlists->queue = RB_ROOT_CACHED; - GEM_BUG_ON(port_isset(execlists->port)); spin_unlock_irqrestore(&engine->active.lock, flags); } @@ -1014,25 +786,18 @@ static bool guc_verify_doorbells(struct intel_guc *guc) /** * guc_client_alloc() - Allocate an intel_guc_client - * @dev_priv: driver private data structure - * @engines: The set of engines to enable for this client + * @guc: the intel_guc structure * @priority: four levels priority _CRITICAL, _HIGH, _NORMAL and _LOW * The kernel client to replace ExecList submission is created with * NORMAL priority. Priority of a client for scheduler can be HIGH, * while a preemption context can use CRITICAL. - * @ctx: the context that owns the client (we use the default render - * context) * * Return: An intel_guc_client object if success, else NULL. */ static struct intel_guc_client * -guc_client_alloc(struct drm_i915_private *dev_priv, - u32 engines, - u32 priority, - struct i915_gem_context *ctx) +guc_client_alloc(struct intel_guc *guc, u32 priority) { struct intel_guc_client *client; - struct intel_guc *guc = &dev_priv->guc; struct i915_vma *vma; void *vaddr; int ret; @@ -1042,8 +807,6 @@ guc_client_alloc(struct drm_i915_private *dev_priv, return ERR_PTR(-ENOMEM); client->guc = guc; - client->owner = ctx; - client->engines = engines; client->priority = priority; client->doorbell_id = GUC_DOORBELL_INVALID; spin_lock_init(&client->wq_lock); @@ -1088,8 +851,8 @@ guc_client_alloc(struct drm_i915_private *dev_priv, else client->proc_desc_offset = (GUC_DB_SIZE / 2); - DRM_DEBUG_DRIVER("new priority %u client %p for engine(s) 0x%x: stage_id %u\n", - priority, client, client->engines, client->stage_id); + DRM_DEBUG_DRIVER("new priority %u client %p: stage_id %u\n", + priority, client, client->stage_id); DRM_DEBUG_DRIVER("doorbell id %u, cacheline offset 0x%lx\n", client->doorbell_id, client->doorbell_offset); @@ -1129,36 +892,17 @@ static inline bool ctx_save_restore_disabled(struct intel_context *ce) static int guc_clients_create(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); struct intel_guc_client *client; GEM_BUG_ON(guc->execbuf_client); - GEM_BUG_ON(guc->preempt_client); - client = guc_client_alloc(dev_priv, - INTEL_INFO(dev_priv)->engine_mask, - GUC_CLIENT_PRIORITY_KMD_NORMAL, - dev_priv->kernel_context); + client = guc_client_alloc(guc, GUC_CLIENT_PRIORITY_KMD_NORMAL); if (IS_ERR(client)) { DRM_ERROR("Failed to create GuC client for submission!\n"); return PTR_ERR(client); } guc->execbuf_client = client; - if (dev_priv->preempt_context) { - client = guc_client_alloc(dev_priv, - INTEL_INFO(dev_priv)->engine_mask, - GUC_CLIENT_PRIORITY_KMD_HIGH, - dev_priv->preempt_context); - if (IS_ERR(client)) { - DRM_ERROR("Failed to create GuC client for preemption!\n"); - guc_client_free(guc->execbuf_client); - guc->execbuf_client = NULL; - return PTR_ERR(client); - } - guc->preempt_client = client; - } - return 0; } @@ -1166,10 +910,6 @@ static void guc_clients_destroy(struct intel_guc *guc) { struct intel_guc_client *client; - client = fetch_and_zero(&guc->preempt_client); - if (client) - guc_client_free(client); - client = fetch_and_zero(&guc->execbuf_client); if (client) guc_client_free(client); @@ -1201,7 +941,7 @@ static void __guc_client_disable(struct intel_guc_client *client) * the case, instead of trying (in vain) to communicate with it, let's * just cleanup the doorbell HW and our internal state. */ - if (intel_guc_is_loaded(client->guc)) + if (intel_guc_is_running(client->guc)) destroy_doorbell(client); else __fini_doorbell(client); @@ -1212,28 +952,11 @@ static void __guc_client_disable(struct intel_guc_client *client) static int guc_clients_enable(struct intel_guc *guc) { - int ret; - - ret = __guc_client_enable(guc->execbuf_client); - if (ret) - return ret; - - if (guc->preempt_client) { - ret = __guc_client_enable(guc->preempt_client); - if (ret) { - __guc_client_disable(guc->execbuf_client); - return ret; - } - } - - return 0; + return __guc_client_enable(guc->execbuf_client); } static void guc_clients_disable(struct intel_guc *guc) { - if (guc->preempt_client) - __guc_client_disable(guc->preempt_client); - if (guc->execbuf_client) __guc_client_disable(guc->execbuf_client); } @@ -1244,9 +967,6 @@ static void guc_clients_disable(struct intel_guc *guc) */ int intel_guc_submission_init(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); - struct intel_engine_cs *engine; - enum intel_engine_id id; int ret; if (guc->stage_desc_pool) @@ -1266,11 +986,6 @@ int intel_guc_submission_init(struct intel_guc *guc) if (ret) goto err_pool; - for_each_engine(engine, dev_priv, id) { - guc->preempt_work[id].engine = engine; - INIT_WORK(&guc->preempt_work[id].work, inject_preempt_context); - } - return 0; err_pool: @@ -1280,13 +995,6 @@ err_pool: void intel_guc_submission_fini(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); - struct intel_engine_cs *engine; - enum intel_engine_id id; - - for_each_engine(engine, dev_priv, id) - cancel_work_sync(&guc->preempt_work[id].work); - guc_clients_destroy(guc); WARN_ON(!guc_verify_doorbells(guc)); @@ -1294,9 +1002,10 @@ void intel_guc_submission_fini(struct intel_guc *guc) guc_stage_desc_pool_destroy(guc); } -static void guc_interrupts_capture(struct drm_i915_private *dev_priv) +static void guc_interrupts_capture(struct intel_gt *gt) { - struct intel_rps *rps = &dev_priv->gt_pm.rps; + struct intel_rps *rps = >->i915->gt_pm.rps; + struct intel_uncore *uncore = gt->uncore; struct intel_engine_cs *engine; enum intel_engine_id id; int irqs; @@ -1305,16 +1014,16 @@ static void guc_interrupts_capture(struct drm_i915_private *dev_priv) * to GuC */ irqs = _MASKED_BIT_ENABLE(GFX_INTERRUPT_STEERING); - for_each_engine(engine, dev_priv, id) + for_each_engine(engine, gt->i915, id) ENGINE_WRITE(engine, RING_MODE_GEN7, irqs); /* route USER_INTERRUPT to Host, all others are sent to GuC. */ irqs = GT_RENDER_USER_INTERRUPT << GEN8_RCS_IRQ_SHIFT | GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT; /* These three registers have the same bit definitions */ - I915_WRITE(GUC_BCS_RCS_IER, ~irqs); - I915_WRITE(GUC_VCS2_VCS1_IER, ~irqs); - I915_WRITE(GUC_WD_VECS_IER, ~irqs); + intel_uncore_write(uncore, GUC_BCS_RCS_IER, ~irqs); + intel_uncore_write(uncore, GUC_VCS2_VCS1_IER, ~irqs); + intel_uncore_write(uncore, GUC_WD_VECS_IER, ~irqs); /* * The REDIRECT_TO_GUC bit of the PMINTRMSK register directs all @@ -1339,9 +1048,10 @@ static void guc_interrupts_capture(struct drm_i915_private *dev_priv) rps->pm_intrmsk_mbz &= ~GEN8_PMINTR_DISABLE_REDIRECT_TO_GUC; } -static void guc_interrupts_release(struct drm_i915_private *dev_priv) +static void guc_interrupts_release(struct intel_gt *gt) { - struct intel_rps *rps = &dev_priv->gt_pm.rps; + struct intel_rps *rps = >->i915->gt_pm.rps; + struct intel_uncore *uncore = gt->uncore; struct intel_engine_cs *engine; enum intel_engine_id id; int irqs; @@ -1352,13 +1062,13 @@ static void guc_interrupts_release(struct drm_i915_private *dev_priv) */ irqs = _MASKED_FIELD(GFX_FORWARD_VBLANK_MASK, GFX_FORWARD_VBLANK_NEVER); irqs |= _MASKED_BIT_DISABLE(GFX_INTERRUPT_STEERING); - for_each_engine(engine, dev_priv, id) + for_each_engine(engine, gt->i915, id) ENGINE_WRITE(engine, RING_MODE_GEN7, irqs); /* route all GT interrupts to the host */ - I915_WRITE(GUC_BCS_RCS_IER, 0); - I915_WRITE(GUC_VCS2_VCS1_IER, 0); - I915_WRITE(GUC_WD_VECS_IER, 0); + intel_uncore_write(uncore, GUC_BCS_RCS_IER, 0); + intel_uncore_write(uncore, GUC_VCS2_VCS1_IER, 0); + intel_uncore_write(uncore, GUC_WD_VECS_IER, 0); rps->pm_intrmsk_mbz |= GEN8_PMINTR_DISABLE_REDIRECT_TO_GUC; rps->pm_intrmsk_mbz &= ~ARAT_EXPIRED_INTRMSK; @@ -1408,7 +1118,7 @@ static void guc_set_default_submission(struct intel_engine_cs *engine) int intel_guc_submission_enable(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct intel_gt *gt = guc_to_gt(guc); struct intel_engine_cs *engine; enum intel_engine_id id; int err; @@ -1422,7 +1132,7 @@ int intel_guc_submission_enable(struct intel_guc *guc) * and it is guaranteed that it will remove the work item from the * queue before our request is completed. */ - BUILD_BUG_ON(ARRAY_SIZE(engine->execlists.port) * + BUILD_BUG_ON(ARRAY_SIZE(engine->execlists.inflight) * sizeof(struct guc_wq_item) * I915_NUM_ENGINES > GUC_WQ_SIZE); @@ -1433,9 +1143,9 @@ int intel_guc_submission_enable(struct intel_guc *guc) return err; /* Take over from manual control of ELSP (execlists) */ - guc_interrupts_capture(dev_priv); + guc_interrupts_capture(gt); - for_each_engine(engine, dev_priv, id) { + for_each_engine(engine, gt->i915, id) { engine->set_default_submission = guc_set_default_submission; engine->set_default_submission(engine); } @@ -1445,14 +1155,14 @@ int intel_guc_submission_enable(struct intel_guc *guc) void intel_guc_submission_disable(struct intel_guc *guc) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct intel_gt *gt = guc_to_gt(guc); - GEM_BUG_ON(dev_priv->gt.awake); /* GT should be parked first */ + GEM_BUG_ON(gt->awake); /* GT should be parked first */ - guc_interrupts_release(dev_priv); + guc_interrupts_release(gt); guc_clients_disable(guc); } #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) -#include "selftests/intel_guc.c" +#include "selftest_guc.c" #endif diff --git a/drivers/gpu/drm/i915/intel_guc_submission.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h index 7d823a513b9c..87a38cb6faf3 100644 --- a/drivers/gpu/drm/i915/intel_guc_submission.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h @@ -58,11 +58,9 @@ struct drm_i915_private; struct intel_guc_client { struct i915_vma *vma; void *vaddr; - struct i915_gem_context *owner; struct intel_guc *guc; /* bitmap of (host) engine ids */ - u32 engines; u32 priority; u32 stage_id; u32 proc_desc_offset; diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c index fb6f693d3cac..c9535caba844 100644 --- a/drivers/gpu/drm/i915/intel_huc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c @@ -24,12 +24,13 @@ #include <linux/types.h> +#include "gt/intel_gt.h" #include "intel_huc.h" #include "i915_drv.h" void intel_huc_init_early(struct intel_huc *huc) { - struct drm_i915_private *i915 = huc_to_i915(huc); + struct drm_i915_private *i915 = huc_to_gt(huc)->i915; intel_huc_fw_init_early(huc); @@ -44,19 +45,12 @@ void intel_huc_init_early(struct intel_huc *huc) } } -int intel_huc_init_misc(struct intel_huc *huc) -{ - struct drm_i915_private *i915 = huc_to_i915(huc); - - intel_uc_fw_fetch(i915, &huc->fw); - return 0; -} - static int intel_huc_rsa_data_create(struct intel_huc *huc) { - struct drm_i915_private *i915 = huc_to_i915(huc); - struct intel_guc *guc = &i915->guc; + struct intel_gt *gt = huc_to_gt(huc); + struct intel_guc *guc = >->uc.guc; struct i915_vma *vma; + size_t copied; void *vaddr; /* @@ -69,6 +63,7 @@ static int intel_huc_rsa_data_create(struct intel_huc *huc) * the authentication since its GGTT offset will be GuC * accessible. */ + GEM_BUG_ON(huc->fw.rsa_size > PAGE_SIZE); vma = intel_guc_allocate_vma(guc, PAGE_SIZE); if (IS_ERR(vma)) return PTR_ERR(vma); @@ -79,26 +74,43 @@ static int intel_huc_rsa_data_create(struct intel_huc *huc) return PTR_ERR(vaddr); } + copied = intel_uc_fw_copy_rsa(&huc->fw, vaddr, vma->size); + GEM_BUG_ON(copied < huc->fw.rsa_size); + + i915_gem_object_unpin_map(vma->obj); + huc->rsa_data = vma; - huc->rsa_data_vaddr = vaddr; return 0; } static void intel_huc_rsa_data_destroy(struct intel_huc *huc) { - i915_vma_unpin_and_release(&huc->rsa_data, I915_VMA_RELEASE_MAP); + i915_vma_unpin_and_release(&huc->rsa_data, 0); } int intel_huc_init(struct intel_huc *huc) { int err; - err = intel_huc_rsa_data_create(huc); + err = intel_uc_fw_init(&huc->fw); if (err) return err; - return intel_uc_fw_init(&huc->fw); + /* + * HuC firmware image is outside GuC accessible range. + * Copy the RSA signature out of the image into + * a perma-pinned region set aside for it + */ + err = intel_huc_rsa_data_create(huc); + if (err) + goto out_fini; + + return 0; + +out_fini: + intel_uc_fw_fini(&huc->fw); + return err; } void intel_huc_fini(struct intel_huc *huc) @@ -120,12 +132,12 @@ void intel_huc_fini(struct intel_huc *huc) */ int intel_huc_auth(struct intel_huc *huc) { - struct drm_i915_private *i915 = huc_to_i915(huc); - struct intel_guc *guc = &i915->guc; + struct intel_gt *gt = huc_to_gt(huc); + struct intel_guc *guc = >->uc.guc; int ret; - if (huc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS) - return -ENOEXEC; + GEM_BUG_ON(!intel_uc_fw_is_loaded(&huc->fw)); + GEM_BUG_ON(intel_huc_is_authenticated(huc)); ret = intel_guc_auth_huc(guc, intel_guc_ggtt_offset(guc, huc->rsa_data)); @@ -135,7 +147,7 @@ int intel_huc_auth(struct intel_huc *huc) } /* Check authentication status, it should be done by now */ - ret = __intel_wait_for_register(&i915->uncore, + ret = __intel_wait_for_register(gt->uncore, huc->status.reg, huc->status.mask, huc->status.value, @@ -145,10 +157,12 @@ int intel_huc_auth(struct intel_huc *huc) goto fail; } + huc->fw.status = INTEL_UC_FIRMWARE_RUNNING; + return 0; fail: - huc->fw.load_status = INTEL_UC_FIRMWARE_FAIL; + huc->fw.status = INTEL_UC_FIRMWARE_FAIL; DRM_ERROR("HuC: Authentication failed %d\n", ret); return ret; @@ -167,16 +181,15 @@ fail: */ int intel_huc_check_status(struct intel_huc *huc) { - struct drm_i915_private *dev_priv = huc_to_i915(huc); + struct intel_gt *gt = huc_to_gt(huc); intel_wakeref_t wakeref; - bool status = false; + u32 status = 0; - if (!HAS_HUC(dev_priv)) + if (!intel_uc_is_using_huc(>->uc)) return -ENODEV; - with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) - status = (I915_READ(huc->status.reg) & huc->status.mask) == - huc->status.value; + with_intel_runtime_pm(>->i915->runtime_pm, wakeref) + status = intel_uncore_read(gt->uncore, huc->status.reg); - return status; + return (status & huc->status.mask) == huc->status.value; } diff --git a/drivers/gpu/drm/i915/intel_huc.h b/drivers/gpu/drm/i915/gt/uc/intel_huc.h index 2a6c94e79f17..4465209ce233 100644 --- a/drivers/gpu/drm/i915/intel_huc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.h @@ -35,7 +35,6 @@ struct intel_huc { /* HuC-specific additions */ struct i915_vma *rsa_data; - void *rsa_data_vaddr; struct { i915_reg_t reg; @@ -45,21 +44,20 @@ struct intel_huc { }; void intel_huc_init_early(struct intel_huc *huc); -int intel_huc_init_misc(struct intel_huc *huc); int intel_huc_init(struct intel_huc *huc); void intel_huc_fini(struct intel_huc *huc); int intel_huc_auth(struct intel_huc *huc); int intel_huc_check_status(struct intel_huc *huc); -static inline void intel_huc_fini_misc(struct intel_huc *huc) -{ - intel_uc_fw_cleanup_fetch(&huc->fw); -} - static inline int intel_huc_sanitize(struct intel_huc *huc) { intel_uc_fw_sanitize(&huc->fw); return 0; } +static inline bool intel_huc_is_authenticated(struct intel_huc *huc) +{ + return intel_uc_fw_is_running(&huc->fw); +} + #endif diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c new file mode 100644 index 000000000000..0e885859c828 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c @@ -0,0 +1,53 @@ +/* + * SPDX-License-Identifier: MIT + * + * Copyright © 2014-2018 Intel Corporation + */ + +#include "gt/intel_gt.h" +#include "intel_huc_fw.h" +#include "i915_drv.h" + +/** + * DOC: HuC Firmware + * + * Motivation: + * GEN9 introduces a new dedicated firmware for usage in media HEVC (High + * Efficiency Video Coding) operations. Userspace can use the firmware + * capabilities by adding HuC specific commands to batch buffers. + * + * Implementation: + * The same firmware loader is used as the GuC. However, the actual + * loading to HW is deferred until GEM initialization is done. + * + * Note that HuC firmware loading must be done before GuC loading. + */ + +/** + * intel_huc_fw_init_early() - initializes HuC firmware struct + * @huc: intel_huc struct + * + * On platforms with HuC selects firmware for uploading + */ +void intel_huc_fw_init_early(struct intel_huc *huc) +{ + intel_uc_fw_init_early(&huc->fw, INTEL_UC_FW_TYPE_HUC, huc_to_gt(huc)->i915); +} + +/** + * intel_huc_fw_upload() - load HuC uCode to device + * @huc: intel_huc structure + * + * Called from intel_uc_init_hw() during driver load, resume from sleep and + * after a GPU reset. Note that HuC must be loaded before GuC. + * + * The firmware image should have already been fetched into memory, so only + * check that fetch succeeded, and then transfer the image to the h/w. + * + * Return: non-zero code on error + */ +int intel_huc_fw_upload(struct intel_huc *huc) +{ + /* HW doesn't look at destination address for HuC, so set it to 0 */ + return intel_uc_fw_upload(&huc->fw, huc_to_gt(huc), 0, HUC_UKERNEL); +} diff --git a/drivers/gpu/drm/i915/intel_huc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h index 8a00a0ebddc5..8a00a0ebddc5 100644 --- a/drivers/gpu/drm/i915/intel_huc_fw.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c new file mode 100644 index 000000000000..6eb8bb3fa252 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c @@ -0,0 +1,570 @@ +/* + * Copyright © 2016 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include "gt/intel_gt.h" +#include "gt/intel_reset.h" +#include "intel_guc.h" +#include "intel_guc_ads.h" +#include "intel_guc_submission.h" +#include "intel_uc.h" + +#include "i915_drv.h" + +static void guc_free_load_err_log(struct intel_guc *guc); + +/* Reset GuC providing us with fresh state for both GuC and HuC. + */ +static int __intel_uc_reset_hw(struct intel_uc *uc) +{ + struct intel_gt *gt = uc_to_gt(uc); + int ret; + u32 guc_status; + + ret = intel_reset_guc(gt); + if (ret) { + DRM_ERROR("Failed to reset GuC, ret = %d\n", ret); + return ret; + } + + guc_status = intel_uncore_read(gt->uncore, GUC_STATUS); + WARN(!(guc_status & GS_MIA_IN_RESET), + "GuC status: 0x%x, MIA core expected to be in reset\n", + guc_status); + + return ret; +} + +static int __get_platform_enable_guc(struct intel_uc *uc) +{ + struct intel_uc_fw *guc_fw = &uc->guc.fw; + struct intel_uc_fw *huc_fw = &uc->huc.fw; + int enable_guc = 0; + + if (!HAS_GT_UC(uc_to_gt(uc)->i915)) + return 0; + + /* We don't want to enable GuC/HuC on pre-Gen11 by default */ + if (INTEL_GEN(uc_to_gt(uc)->i915) < 11) + return 0; + + if (intel_uc_fw_supported(guc_fw) && intel_uc_fw_supported(huc_fw)) + enable_guc |= ENABLE_GUC_LOAD_HUC; + + return enable_guc; +} + +/** + * sanitize_options_early - sanitize uC related modparam options + * @uc: the intel_uc structure + * + * In case of "enable_guc" option this function will attempt to modify + * it only if it was initially set to "auto(-1)". Default value for this + * modparam varies between platforms and it is hardcoded in driver code. + * Any other modparam value is only monitored against availability of the + * related hardware or firmware definitions. + */ +static void sanitize_options_early(struct intel_uc *uc) +{ + struct intel_uc_fw *guc_fw = &uc->guc.fw; + struct intel_uc_fw *huc_fw = &uc->huc.fw; + + /* A negative value means "use platform default" */ + if (i915_modparams.enable_guc < 0) + i915_modparams.enable_guc = __get_platform_enable_guc(uc); + + DRM_DEBUG_DRIVER("enable_guc=%d (submission:%s huc:%s)\n", + i915_modparams.enable_guc, + yesno(intel_uc_is_using_guc_submission(uc)), + yesno(intel_uc_is_using_huc(uc))); + + /* Verify GuC firmware availability */ + if (intel_uc_is_using_guc(uc) && !intel_uc_fw_supported(guc_fw)) { + DRM_WARN("Incompatible option detected: enable_guc=%d, " + "but GuC is not supported!\n", + i915_modparams.enable_guc); + DRM_INFO("Disabling GuC/HuC loading!\n"); + i915_modparams.enable_guc = 0; + } + + /* Verify HuC firmware availability */ + if (intel_uc_is_using_huc(uc) && !intel_uc_fw_supported(huc_fw)) { + DRM_WARN("Incompatible option detected: enable_guc=%d, " + "but HuC is not supported!\n", + i915_modparams.enable_guc); + DRM_INFO("Disabling HuC loading!\n"); + i915_modparams.enable_guc &= ~ENABLE_GUC_LOAD_HUC; + } + + /* XXX: GuC submission is unavailable for now */ + if (intel_uc_is_using_guc_submission(uc)) { + DRM_INFO("Incompatible option detected: enable_guc=%d, " + "but GuC submission is not supported!\n", + i915_modparams.enable_guc); + DRM_INFO("Switching to non-GuC submission mode!\n"); + i915_modparams.enable_guc &= ~ENABLE_GUC_SUBMISSION; + } + + /* Make sure that sanitization was done */ + GEM_BUG_ON(i915_modparams.enable_guc < 0); +} + +void intel_uc_init_early(struct intel_uc *uc) +{ + intel_guc_init_early(&uc->guc); + intel_huc_init_early(&uc->huc); + + sanitize_options_early(uc); +} + +void intel_uc_cleanup_early(struct intel_uc *uc) +{ + guc_free_load_err_log(&uc->guc); +} + +/** + * intel_uc_init_mmio - setup uC MMIO access + * @uc: the intel_uc structure + * + * Setup minimal state necessary for MMIO accesses later in the + * initialization sequence. + */ +void intel_uc_init_mmio(struct intel_uc *uc) +{ + intel_guc_init_send_regs(&uc->guc); +} + +static void guc_capture_load_err_log(struct intel_guc *guc) +{ + if (!guc->log.vma || !intel_guc_log_get_level(&guc->log)) + return; + + if (!guc->load_err_log) + guc->load_err_log = i915_gem_object_get(guc->log.vma->obj); + + return; +} + +static void guc_free_load_err_log(struct intel_guc *guc) +{ + if (guc->load_err_log) + i915_gem_object_put(guc->load_err_log); +} + +/* + * Events triggered while CT buffers are disabled are logged in the SCRATCH_15 + * register using the same bits used in the CT message payload. Since our + * communication channel with guc is turned off at this point, we can save the + * message and handle it after we turn it back on. + */ +static void guc_clear_mmio_msg(struct intel_guc *guc) +{ + intel_uncore_write(guc_to_gt(guc)->uncore, SOFT_SCRATCH(15), 0); +} + +static void guc_get_mmio_msg(struct intel_guc *guc) +{ + u32 val; + + spin_lock_irq(&guc->irq_lock); + + val = intel_uncore_read(guc_to_gt(guc)->uncore, SOFT_SCRATCH(15)); + guc->mmio_msg |= val & guc->msg_enabled_mask; + + /* + * clear all events, including the ones we're not currently servicing, + * to make sure we don't try to process a stale message if we enable + * handling of more events later. + */ + guc_clear_mmio_msg(guc); + + spin_unlock_irq(&guc->irq_lock); +} + +static void guc_handle_mmio_msg(struct intel_guc *guc) +{ + struct drm_i915_private *i915 = guc_to_gt(guc)->i915; + + /* we need communication to be enabled to reply to GuC */ + GEM_BUG_ON(guc->handler == intel_guc_to_host_event_handler_nop); + + if (!guc->mmio_msg) + return; + + spin_lock_irq(&i915->irq_lock); + intel_guc_to_host_process_recv_msg(guc, &guc->mmio_msg, 1); + spin_unlock_irq(&i915->irq_lock); + + guc->mmio_msg = 0; +} + +static void guc_reset_interrupts(struct intel_guc *guc) +{ + guc->interrupts.reset(guc); +} + +static void guc_enable_interrupts(struct intel_guc *guc) +{ + guc->interrupts.enable(guc); +} + +static void guc_disable_interrupts(struct intel_guc *guc) +{ + guc->interrupts.disable(guc); +} + +static int guc_enable_communication(struct intel_guc *guc) +{ + struct drm_i915_private *i915 = guc_to_gt(guc)->i915; + int ret; + + ret = intel_guc_ct_enable(&guc->ct); + if (ret) + return ret; + + guc->send = intel_guc_send_ct; + guc->handler = intel_guc_to_host_event_handler_ct; + + /* check for mmio messages received before/during the CT enable */ + guc_get_mmio_msg(guc); + guc_handle_mmio_msg(guc); + + guc_enable_interrupts(guc); + + /* check for CT messages received before we enabled interrupts */ + spin_lock_irq(&i915->irq_lock); + intel_guc_to_host_event_handler_ct(guc); + spin_unlock_irq(&i915->irq_lock); + + DRM_INFO("GuC communication enabled\n"); + + return 0; +} + +static void guc_stop_communication(struct intel_guc *guc) +{ + intel_guc_ct_stop(&guc->ct); + + guc->send = intel_guc_send_nop; + guc->handler = intel_guc_to_host_event_handler_nop; + + guc_clear_mmio_msg(guc); +} + +static void guc_disable_communication(struct intel_guc *guc) +{ + /* + * Events generated during or after CT disable are logged by guc in + * via mmio. Make sure the register is clear before disabling CT since + * all events we cared about have already been processed via CT. + */ + guc_clear_mmio_msg(guc); + + guc_disable_interrupts(guc); + + guc->send = intel_guc_send_nop; + guc->handler = intel_guc_to_host_event_handler_nop; + + intel_guc_ct_disable(&guc->ct); + + /* + * Check for messages received during/after the CT disable. We do not + * expect any messages to have arrived via CT between the interrupt + * disable and the CT disable because GuC should've been idle until we + * triggered the CT disable protocol. + */ + guc_get_mmio_msg(guc); + + DRM_INFO("GuC communication disabled\n"); +} + +void intel_uc_fetch_firmwares(struct intel_uc *uc) +{ + struct drm_i915_private *i915 = uc_to_gt(uc)->i915; + + if (!intel_uc_is_using_guc(uc)) + return; + + intel_uc_fw_fetch(&uc->guc.fw, i915); + + if (intel_uc_is_using_huc(uc)) + intel_uc_fw_fetch(&uc->huc.fw, i915); +} + +void intel_uc_cleanup_firmwares(struct intel_uc *uc) +{ + if (!intel_uc_is_using_guc(uc)) + return; + + if (intel_uc_is_using_huc(uc)) + intel_uc_fw_cleanup_fetch(&uc->huc.fw); + + intel_uc_fw_cleanup_fetch(&uc->guc.fw); +} + +int intel_uc_init(struct intel_uc *uc) +{ + struct intel_guc *guc = &uc->guc; + struct intel_huc *huc = &uc->huc; + int ret; + + if (!intel_uc_is_using_guc(uc)) + return 0; + + if (!intel_uc_fw_supported(&guc->fw)) + return -ENODEV; + + /* XXX: GuC submission is unavailable for now */ + GEM_BUG_ON(intel_uc_is_using_guc_submission(uc)); + + ret = intel_guc_init(guc); + if (ret) + return ret; + + if (intel_uc_is_using_huc(uc)) { + ret = intel_huc_init(huc); + if (ret) + goto err_guc; + } + + return 0; + +err_guc: + intel_guc_fini(guc); + return ret; +} + +void intel_uc_fini(struct intel_uc *uc) +{ + struct intel_guc *guc = &uc->guc; + + if (!intel_uc_is_using_guc(uc)) + return; + + GEM_BUG_ON(!intel_uc_fw_supported(&guc->fw)); + + if (intel_uc_is_using_huc(uc)) + intel_huc_fini(&uc->huc); + + intel_guc_fini(guc); +} + +static void __uc_sanitize(struct intel_uc *uc) +{ + struct intel_guc *guc = &uc->guc; + struct intel_huc *huc = &uc->huc; + + GEM_BUG_ON(!intel_uc_fw_supported(&guc->fw)); + + intel_huc_sanitize(huc); + intel_guc_sanitize(guc); + + __intel_uc_reset_hw(uc); +} + +void intel_uc_sanitize(struct intel_uc *uc) +{ + if (!intel_uc_is_using_guc(uc)) + return; + + __uc_sanitize(uc); +} + +int intel_uc_init_hw(struct intel_uc *uc) +{ + struct drm_i915_private *i915 = uc_to_gt(uc)->i915; + struct intel_guc *guc = &uc->guc; + struct intel_huc *huc = &uc->huc; + int ret, attempts; + + if (!intel_uc_is_using_guc(uc)) + return 0; + + GEM_BUG_ON(!intel_uc_fw_supported(&guc->fw)); + + guc_reset_interrupts(guc); + + /* WaEnableuKernelHeaderValidFix:skl */ + /* WaEnableGuCBootHashCheckNotSet:skl,bxt,kbl */ + if (IS_GEN(i915, 9)) + attempts = 3; + else + attempts = 1; + + while (attempts--) { + /* + * Always reset the GuC just before (re)loading, so + * that the state and timing are fairly predictable + */ + ret = __intel_uc_reset_hw(uc); + if (ret) + goto err_out; + + if (intel_uc_is_using_huc(uc)) { + ret = intel_huc_fw_upload(huc); + if (ret && intel_uc_fw_is_overridden(&huc->fw)) + goto err_out; + } + + intel_guc_ads_reset(guc); + intel_guc_write_params(guc); + ret = intel_guc_fw_upload(guc); + if (ret == 0) + break; + + DRM_DEBUG_DRIVER("GuC fw load failed: %d; will reset and " + "retry %d more time(s)\n", ret, attempts); + } + + /* Did we succeded or run out of retries? */ + if (ret) + goto err_log_capture; + + ret = guc_enable_communication(guc); + if (ret) + goto err_log_capture; + + if (intel_uc_fw_is_loaded(&huc->fw)) { + ret = intel_huc_auth(huc); + if (ret && intel_uc_fw_is_overridden(&huc->fw)) + goto err_communication; + } + + ret = intel_guc_sample_forcewake(guc); + if (ret) + goto err_communication; + + if (intel_uc_is_using_guc_submission(uc)) { + ret = intel_guc_submission_enable(guc); + if (ret) + goto err_communication; + } + + dev_info(i915->drm.dev, "GuC firmware version %u.%u\n", + guc->fw.major_ver_found, guc->fw.minor_ver_found); + dev_info(i915->drm.dev, "GuC submission %s\n", + enableddisabled(intel_uc_is_using_guc_submission(uc))); + dev_info(i915->drm.dev, "HuC %s\n", + enableddisabled(intel_huc_is_authenticated(huc))); + + return 0; + + /* + * We've failed to load the firmware :( + */ +err_communication: + guc_disable_communication(guc); +err_log_capture: + guc_capture_load_err_log(guc); +err_out: + __uc_sanitize(uc); + + /* + * Note that there is no fallback as either user explicitly asked for + * the GuC or driver default option was to run with the GuC enabled. + */ + if (GEM_WARN_ON(ret == -EIO)) + ret = -EINVAL; + + dev_err(i915->drm.dev, "GuC initialization failed %d\n", ret); + return ret; +} + +void intel_uc_fini_hw(struct intel_uc *uc) +{ + struct intel_guc *guc = &uc->guc; + + if (!intel_guc_is_running(guc)) + return; + + GEM_BUG_ON(!intel_uc_fw_supported(&guc->fw)); + + if (intel_uc_is_using_guc_submission(uc)) + intel_guc_submission_disable(guc); + + guc_disable_communication(guc); + __uc_sanitize(uc); +} + +/** + * intel_uc_reset_prepare - Prepare for reset + * @uc: the intel_uc structure + * + * Preparing for full gpu reset. + */ +void intel_uc_reset_prepare(struct intel_uc *uc) +{ + struct intel_guc *guc = &uc->guc; + + if (!intel_guc_is_running(guc)) + return; + + guc_stop_communication(guc); + __uc_sanitize(uc); +} + +void intel_uc_runtime_suspend(struct intel_uc *uc) +{ + struct intel_guc *guc = &uc->guc; + int err; + + if (!intel_guc_is_running(guc)) + return; + + err = intel_guc_suspend(guc); + if (err) + DRM_DEBUG_DRIVER("Failed to suspend GuC, err=%d", err); + + guc_disable_communication(guc); +} + +void intel_uc_suspend(struct intel_uc *uc) +{ + struct intel_guc *guc = &uc->guc; + intel_wakeref_t wakeref; + + if (!intel_guc_is_running(guc)) + return; + + with_intel_runtime_pm(&uc_to_gt(uc)->i915->runtime_pm, wakeref) + intel_uc_runtime_suspend(uc); +} + +int intel_uc_resume(struct intel_uc *uc) +{ + struct intel_guc *guc = &uc->guc; + int err; + + if (!intel_guc_is_running(guc)) + return 0; + + guc_enable_communication(guc); + + err = intel_guc_resume(guc); + if (err) { + DRM_DEBUG_DRIVER("Failed to resume GuC, err=%d", err); + return err; + } + + return 0; +} diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h index 3ea06c87dfcd..fe3362fd7706 100644 --- a/drivers/gpu/drm/i915/intel_uc.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h @@ -28,34 +28,39 @@ #include "intel_huc.h" #include "i915_params.h" -void intel_uc_init_early(struct drm_i915_private *dev_priv); -void intel_uc_cleanup_early(struct drm_i915_private *dev_priv); -void intel_uc_init_mmio(struct drm_i915_private *dev_priv); -int intel_uc_init_misc(struct drm_i915_private *dev_priv); -void intel_uc_fini_misc(struct drm_i915_private *dev_priv); -void intel_uc_sanitize(struct drm_i915_private *dev_priv); -int intel_uc_init_hw(struct drm_i915_private *dev_priv); -void intel_uc_fini_hw(struct drm_i915_private *dev_priv); -int intel_uc_init(struct drm_i915_private *dev_priv); -void intel_uc_fini(struct drm_i915_private *dev_priv); -void intel_uc_reset_prepare(struct drm_i915_private *i915); -void intel_uc_suspend(struct drm_i915_private *i915); -void intel_uc_runtime_suspend(struct drm_i915_private *i915); -int intel_uc_resume(struct drm_i915_private *dev_priv); +struct intel_uc { + struct intel_guc guc; + struct intel_huc huc; +}; -static inline bool intel_uc_is_using_guc(struct drm_i915_private *i915) +void intel_uc_init_early(struct intel_uc *uc); +void intel_uc_cleanup_early(struct intel_uc *uc); +void intel_uc_init_mmio(struct intel_uc *uc); +void intel_uc_fetch_firmwares(struct intel_uc *uc); +void intel_uc_cleanup_firmwares(struct intel_uc *uc); +void intel_uc_sanitize(struct intel_uc *uc); +int intel_uc_init_hw(struct intel_uc *uc); +void intel_uc_fini_hw(struct intel_uc *uc); +int intel_uc_init(struct intel_uc *uc); +void intel_uc_fini(struct intel_uc *uc); +void intel_uc_reset_prepare(struct intel_uc *uc); +void intel_uc_suspend(struct intel_uc *uc); +void intel_uc_runtime_suspend(struct intel_uc *uc); +int intel_uc_resume(struct intel_uc *uc); + +static inline bool intel_uc_is_using_guc(struct intel_uc *uc) { GEM_BUG_ON(i915_modparams.enable_guc < 0); return i915_modparams.enable_guc > 0; } -static inline bool intel_uc_is_using_guc_submission(struct drm_i915_private *i915) +static inline bool intel_uc_is_using_guc_submission(struct intel_uc *uc) { GEM_BUG_ON(i915_modparams.enable_guc < 0); return i915_modparams.enable_guc & ENABLE_GUC_SUBMISSION; } -static inline bool intel_uc_is_using_huc(struct drm_i915_private *i915) +static inline bool intel_uc_is_using_huc(struct intel_uc *uc) { GEM_BUG_ON(i915_modparams.enable_guc < 0); return i915_modparams.enable_guc & ENABLE_GUC_LOAD_HUC; diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c new file mode 100644 index 000000000000..ac91e3efd02b --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c @@ -0,0 +1,540 @@ +/* + * Copyright © 2016-2017 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + */ + +#include <linux/bitfield.h> +#include <linux/firmware.h> +#include <drm/drm_print.h> + +#include "intel_uc_fw.h" +#include "intel_uc_fw_abi.h" +#include "i915_drv.h" + +/* + * List of required GuC and HuC binaries per-platform. + * Must be ordered based on platform + revid, from newer to older. + */ +#define INTEL_UC_FIRMWARE_DEFS(fw_def, guc_def, huc_def) \ + fw_def(ICELAKE, 0, guc_def(icl, 33, 0, 0), huc_def(icl, 8, 4, 3238)) \ + fw_def(COFFEELAKE, 0, guc_def(kbl, 33, 0, 0), huc_def(kbl, 02, 00, 1810)) \ + fw_def(GEMINILAKE, 0, guc_def(glk, 33, 0, 0), huc_def(glk, 03, 01, 2893)) \ + fw_def(KABYLAKE, 0, guc_def(kbl, 33, 0, 0), huc_def(kbl, 02, 00, 1810)) \ + fw_def(BROXTON, 0, guc_def(bxt, 33, 0, 0), huc_def(bxt, 01, 8, 2893)) \ + fw_def(SKYLAKE, 0, guc_def(skl, 33, 0, 0), huc_def(skl, 01, 07, 1398)) + +#define __MAKE_UC_FW_PATH(prefix_, name_, separator_, major_, minor_, patch_) \ + "i915/" \ + __stringify(prefix_) name_ \ + __stringify(major_) separator_ \ + __stringify(minor_) separator_ \ + __stringify(patch_) ".bin" + +#define MAKE_GUC_FW_PATH(prefix_, major_, minor_, patch_) \ + __MAKE_UC_FW_PATH(prefix_, "_guc_", ".", major_, minor_, patch_) + +#define MAKE_HUC_FW_PATH(prefix_, major_, minor_, bld_num_) \ + __MAKE_UC_FW_PATH(prefix_, "_huc_ver", "_", major_, minor_, bld_num_) + +/* All blobs need to be declared via MODULE_FIRMWARE() */ +#define INTEL_UC_MODULE_FW(platform_, revid_, guc_, huc_) \ + MODULE_FIRMWARE(guc_); \ + MODULE_FIRMWARE(huc_); + +INTEL_UC_FIRMWARE_DEFS(INTEL_UC_MODULE_FW, MAKE_GUC_FW_PATH, MAKE_HUC_FW_PATH) + +/* The below structs and macros are used to iterate across the list of blobs */ +struct __packed uc_fw_blob { + u8 major; + u8 minor; + const char *path; +}; + +#define UC_FW_BLOB(major_, minor_, path_) \ + { .major = major_, .minor = minor_, .path = path_ } + +#define GUC_FW_BLOB(prefix_, major_, minor_, patch_) \ + UC_FW_BLOB(major_, minor_, \ + MAKE_GUC_FW_PATH(prefix_, major_, minor_, patch_)) + +#define HUC_FW_BLOB(prefix_, major_, minor_, bld_num_) \ + UC_FW_BLOB(major_, minor_, \ + MAKE_HUC_FW_PATH(prefix_, major_, minor_, bld_num_)) + +struct __packed uc_fw_platform_requirement { + enum intel_platform p; + u8 rev; /* first platform rev using this FW */ + const struct uc_fw_blob blobs[INTEL_UC_FW_NUM_TYPES]; +}; + +#define MAKE_FW_LIST(platform_, revid_, guc_, huc_) \ +{ \ + .p = INTEL_##platform_, \ + .rev = revid_, \ + .blobs[INTEL_UC_FW_TYPE_GUC] = guc_, \ + .blobs[INTEL_UC_FW_TYPE_HUC] = huc_, \ +}, + +static void +__uc_fw_auto_select(struct intel_uc_fw *uc_fw, enum intel_platform p, u8 rev) +{ + static const struct uc_fw_platform_requirement fw_blobs[] = { + INTEL_UC_FIRMWARE_DEFS(MAKE_FW_LIST, GUC_FW_BLOB, HUC_FW_BLOB) + }; + int i; + + for (i = 0; i < ARRAY_SIZE(fw_blobs) && p <= fw_blobs[i].p; i++) { + if (p == fw_blobs[i].p && rev >= fw_blobs[i].rev) { + const struct uc_fw_blob *blob = + &fw_blobs[i].blobs[uc_fw->type]; + uc_fw->path = blob->path; + uc_fw->major_ver_wanted = blob->major; + uc_fw->minor_ver_wanted = blob->minor; + break; + } + } + + /* make sure the list is ordered as expected */ + if (IS_ENABLED(CONFIG_DRM_I915_SELFTEST)) { + for (i = 1; i < ARRAY_SIZE(fw_blobs); i++) { + if (fw_blobs[i].p < fw_blobs[i - 1].p) + continue; + + if (fw_blobs[i].p == fw_blobs[i - 1].p && + fw_blobs[i].rev < fw_blobs[i - 1].rev) + continue; + + pr_err("invalid FW blob order: %s r%u comes before %s r%u\n", + intel_platform_name(fw_blobs[i - 1].p), + fw_blobs[i - 1].rev, + intel_platform_name(fw_blobs[i].p), + fw_blobs[i].rev); + + uc_fw->path = NULL; + } + } +} + +static bool +__uc_fw_override(struct intel_uc_fw *uc_fw) +{ + switch (uc_fw->type) { + case INTEL_UC_FW_TYPE_GUC: + uc_fw->path = i915_modparams.guc_firmware_path; + break; + case INTEL_UC_FW_TYPE_HUC: + uc_fw->path = i915_modparams.huc_firmware_path; + break; + } + + uc_fw->user_overridden = uc_fw->path; + return uc_fw->user_overridden; +} + +/** + * intel_uc_fw_init_early - initialize the uC object and select the firmware + * @i915: device private + * @uc_fw: uC firmware + * @type: type of uC + * + * Initialize the state of our uC object and relevant tracking and select the + * firmware to fetch and load. + */ +void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw, + enum intel_uc_fw_type type, + struct drm_i915_private *i915) +{ + /* + * we use FIRMWARE_UNINITIALIZED to detect checks against uc_fw->status + * before we're looked at the HW caps to see if we have uc support + */ + BUILD_BUG_ON(INTEL_UC_FIRMWARE_UNINITIALIZED); + GEM_BUG_ON(uc_fw->status); + GEM_BUG_ON(uc_fw->path); + + uc_fw->type = type; + + if (HAS_GT_UC(i915) && likely(!__uc_fw_override(uc_fw))) + __uc_fw_auto_select(uc_fw, INTEL_INFO(i915)->platform, + INTEL_REVID(i915)); + + if (uc_fw->path && *uc_fw->path) + uc_fw->status = INTEL_UC_FIRMWARE_SELECTED; + else + uc_fw->status = INTEL_UC_FIRMWARE_NOT_SUPPORTED; +} + +/** + * intel_uc_fw_fetch - fetch uC firmware + * + * @uc_fw: uC firmware + * @i915: device private + * + * Fetch uC firmware into GEM obj. + */ +void intel_uc_fw_fetch(struct intel_uc_fw *uc_fw, struct drm_i915_private *i915) +{ + struct drm_i915_gem_object *obj; + const struct firmware *fw = NULL; + struct uc_css_header *css; + size_t size; + int err; + + GEM_BUG_ON(!intel_uc_fw_supported(uc_fw)); + + err = request_firmware(&fw, uc_fw->path, i915->drm.dev); + if (err) + goto fail; + + DRM_DEBUG_DRIVER("%s fw size %zu ptr %p\n", + intel_uc_fw_type_repr(uc_fw->type), fw->size, fw); + + /* Check the size of the blob before examining buffer contents */ + if (fw->size < sizeof(struct uc_css_header)) { + DRM_WARN("%s: Unexpected firmware size (%zu, min %zu)\n", + intel_uc_fw_type_repr(uc_fw->type), + fw->size, sizeof(struct uc_css_header)); + err = -ENODATA; + goto fail; + } + + css = (struct uc_css_header *)fw->data; + + /* Check integrity of size values inside CSS header */ + size = (css->header_size_dw - css->key_size_dw - css->modulus_size_dw - + css->exponent_size_dw) * sizeof(u32); + if (size != sizeof(struct uc_css_header)) { + DRM_WARN("%s: Mismatched firmware header definition\n", + intel_uc_fw_type_repr(uc_fw->type)); + err = -ENOEXEC; + goto fail; + } + + /* uCode size must calculated from other sizes */ + uc_fw->ucode_size = (css->size_dw - css->header_size_dw) * sizeof(u32); + + /* now RSA */ + if (css->key_size_dw != UOS_RSA_SCRATCH_COUNT) { + DRM_WARN("%s: Mismatched firmware RSA key size (%u)\n", + intel_uc_fw_type_repr(uc_fw->type), css->key_size_dw); + err = -ENOEXEC; + goto fail; + } + uc_fw->rsa_size = css->key_size_dw * sizeof(u32); + + /* At least, it should have header, uCode and RSA. Size of all three. */ + size = sizeof(struct uc_css_header) + uc_fw->ucode_size + uc_fw->rsa_size; + if (fw->size < size) { + DRM_WARN("%s: Truncated firmware (%zu, expected %zu)\n", + intel_uc_fw_type_repr(uc_fw->type), fw->size, size); + err = -ENOEXEC; + goto fail; + } + + /* Get version numbers from the CSS header */ + switch (uc_fw->type) { + case INTEL_UC_FW_TYPE_GUC: + uc_fw->major_ver_found = FIELD_GET(CSS_SW_VERSION_GUC_MAJOR, + css->sw_version); + uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_GUC_MINOR, + css->sw_version); + break; + + case INTEL_UC_FW_TYPE_HUC: + uc_fw->major_ver_found = FIELD_GET(CSS_SW_VERSION_HUC_MAJOR, + css->sw_version); + uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_HUC_MINOR, + css->sw_version); + break; + + default: + MISSING_CASE(uc_fw->type); + break; + } + + DRM_DEBUG_DRIVER("%s fw version %u.%u (wanted %u.%u)\n", + intel_uc_fw_type_repr(uc_fw->type), + uc_fw->major_ver_found, uc_fw->minor_ver_found, + uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); + + if (uc_fw->major_ver_wanted == 0 && uc_fw->minor_ver_wanted == 0) { + DRM_NOTE("%s: Skipping firmware version check\n", + intel_uc_fw_type_repr(uc_fw->type)); + } else if (uc_fw->major_ver_found != uc_fw->major_ver_wanted || + uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) { + DRM_NOTE("%s: Wrong firmware version (%u.%u, required %u.%u)\n", + intel_uc_fw_type_repr(uc_fw->type), + uc_fw->major_ver_found, uc_fw->minor_ver_found, + uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); + err = -ENOEXEC; + goto fail; + } + + obj = i915_gem_object_create_shmem_from_data(i915, fw->data, fw->size); + if (IS_ERR(obj)) { + err = PTR_ERR(obj); + DRM_DEBUG_DRIVER("%s fw object_create err=%d\n", + intel_uc_fw_type_repr(uc_fw->type), err); + goto fail; + } + + uc_fw->obj = obj; + uc_fw->size = fw->size; + uc_fw->status = INTEL_UC_FIRMWARE_AVAILABLE; + + release_firmware(fw); + return; + +fail: + uc_fw->status = INTEL_UC_FIRMWARE_MISSING; + + DRM_WARN("%s: Failed to fetch firmware %s (error %d)\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err); + DRM_INFO("%s: Firmware can be downloaded from %s\n", + intel_uc_fw_type_repr(uc_fw->type), INTEL_UC_FIRMWARE_URL); + + release_firmware(fw); /* OK even if fw is NULL */ +} + +static u32 uc_fw_ggtt_offset(struct intel_uc_fw *uc_fw, struct i915_ggtt *ggtt) +{ + struct drm_mm_node *node = &ggtt->uc_fw; + + GEM_BUG_ON(!node->allocated); + GEM_BUG_ON(upper_32_bits(node->start)); + GEM_BUG_ON(upper_32_bits(node->start + node->size - 1)); + + return lower_32_bits(node->start); +} + +static void intel_uc_fw_ggtt_bind(struct intel_uc_fw *uc_fw, + struct intel_gt *gt) +{ + struct drm_i915_gem_object *obj = uc_fw->obj; + struct i915_ggtt *ggtt = gt->ggtt; + struct i915_vma dummy = { + .node.start = uc_fw_ggtt_offset(uc_fw, ggtt), + .node.size = obj->base.size, + .pages = obj->mm.pages, + .vm = &ggtt->vm, + }; + + GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj)); + GEM_BUG_ON(dummy.node.size > ggtt->uc_fw.size); + + /* uc_fw->obj cache domains were not controlled across suspend */ + drm_clflush_sg(dummy.pages); + + ggtt->vm.insert_entries(&ggtt->vm, &dummy, I915_CACHE_NONE, 0); +} + +static void intel_uc_fw_ggtt_unbind(struct intel_uc_fw *uc_fw, + struct intel_gt *gt) +{ + struct drm_i915_gem_object *obj = uc_fw->obj; + struct i915_ggtt *ggtt = gt->ggtt; + u64 start = uc_fw_ggtt_offset(uc_fw, ggtt); + + ggtt->vm.clear_range(&ggtt->vm, start, obj->base.size); +} + +static int uc_fw_xfer(struct intel_uc_fw *uc_fw, struct intel_gt *gt, + u32 wopcm_offset, u32 dma_flags) +{ + struct intel_uncore *uncore = gt->uncore; + u64 offset; + int ret; + + intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL); + + /* Set the source address for the uCode */ + offset = uc_fw_ggtt_offset(uc_fw, gt->ggtt); + GEM_BUG_ON(upper_32_bits(offset) & 0xFFFF0000); + intel_uncore_write_fw(uncore, DMA_ADDR_0_LOW, lower_32_bits(offset)); + intel_uncore_write_fw(uncore, DMA_ADDR_0_HIGH, upper_32_bits(offset)); + + /* Set the DMA destination */ + intel_uncore_write_fw(uncore, DMA_ADDR_1_LOW, wopcm_offset); + intel_uncore_write_fw(uncore, DMA_ADDR_1_HIGH, DMA_ADDRESS_SPACE_WOPCM); + + /* + * Set the transfer size. The header plus uCode will be copied to WOPCM + * via DMA, excluding any other components + */ + intel_uncore_write_fw(uncore, DMA_COPY_SIZE, + sizeof(struct uc_css_header) + uc_fw->ucode_size); + + /* Start the DMA */ + intel_uncore_write_fw(uncore, DMA_CTRL, + _MASKED_BIT_ENABLE(dma_flags | START_DMA)); + + /* Wait for DMA to finish */ + ret = intel_wait_for_register_fw(uncore, DMA_CTRL, START_DMA, 0, 100); + if (ret) + dev_err(gt->i915->drm.dev, "DMA for %s fw failed, DMA_CTRL=%u\n", + intel_uc_fw_type_repr(uc_fw->type), + intel_uncore_read_fw(uncore, DMA_CTRL)); + + /* Disable the bits once DMA is over */ + intel_uncore_write_fw(uncore, DMA_CTRL, _MASKED_BIT_DISABLE(dma_flags)); + + intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL); + + return ret; +} + +/** + * intel_uc_fw_upload - load uC firmware using custom loader + * @uc_fw: uC firmware + * @gt: the intel_gt structure + * @wopcm_offset: destination offset in wopcm + * @dma_flags: flags for flags for dma ctrl + * + * Loads uC firmware and updates internal flags. + * + * Return: 0 on success, non-zero on failure. + */ +int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, struct intel_gt *gt, + u32 wopcm_offset, u32 dma_flags) +{ + int err; + + DRM_DEBUG_DRIVER("%s fw load %s\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path); + + /* make sure the status was cleared the last time we reset the uc */ + GEM_BUG_ON(intel_uc_fw_is_loaded(uc_fw)); + + if (!intel_uc_fw_is_available(uc_fw)) + return -ENOEXEC; + /* Call custom loader */ + intel_uc_fw_ggtt_bind(uc_fw, gt); + err = uc_fw_xfer(uc_fw, gt, wopcm_offset, dma_flags); + intel_uc_fw_ggtt_unbind(uc_fw, gt); + if (err) + goto fail; + + uc_fw->status = INTEL_UC_FIRMWARE_TRANSFERRED; + DRM_DEBUG_DRIVER("%s fw xfer completed\n", + intel_uc_fw_type_repr(uc_fw->type)); + + DRM_INFO("%s: Loaded firmware %s (version %u.%u)\n", + intel_uc_fw_type_repr(uc_fw->type), + uc_fw->path, + uc_fw->major_ver_found, uc_fw->minor_ver_found); + + return 0; + +fail: + uc_fw->status = INTEL_UC_FIRMWARE_FAIL; + DRM_DEBUG_DRIVER("%s fw load failed\n", + intel_uc_fw_type_repr(uc_fw->type)); + + DRM_WARN("%s: Failed to load firmware %s (error %d)\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err); + + return err; +} + +int intel_uc_fw_init(struct intel_uc_fw *uc_fw) +{ + int err; + + /* this should happen before the load! */ + GEM_BUG_ON(intel_uc_fw_is_loaded(uc_fw)); + + if (!intel_uc_fw_is_available(uc_fw)) + return -ENOEXEC; + + err = i915_gem_object_pin_pages(uc_fw->obj); + if (err) + DRM_DEBUG_DRIVER("%s fw pin-pages err=%d\n", + intel_uc_fw_type_repr(uc_fw->type), err); + + return err; +} + +void intel_uc_fw_fini(struct intel_uc_fw *uc_fw) +{ + if (!intel_uc_fw_is_available(uc_fw)) + return; + + i915_gem_object_unpin_pages(uc_fw->obj); +} + +/** + * intel_uc_fw_cleanup_fetch - cleanup uC firmware + * + * @uc_fw: uC firmware + * + * Cleans up uC firmware by releasing the firmware GEM obj. + */ +void intel_uc_fw_cleanup_fetch(struct intel_uc_fw *uc_fw) +{ + struct drm_i915_gem_object *obj; + + obj = fetch_and_zero(&uc_fw->obj); + if (obj) + i915_gem_object_put(obj); + + uc_fw->status = INTEL_UC_FIRMWARE_SELECTED; +} + +/** + * intel_uc_fw_copy_rsa - copy fw RSA to buffer + * + * @uc_fw: uC firmware + * @dst: dst buffer + * @max_len: max number of bytes to copy + * + * Return: number of copied bytes. + */ +size_t intel_uc_fw_copy_rsa(struct intel_uc_fw *uc_fw, void *dst, u32 max_len) +{ + struct sg_table *pages = uc_fw->obj->mm.pages; + u32 size = min_t(u32, uc_fw->rsa_size, max_len); + u32 offset = sizeof(struct uc_css_header) + uc_fw->ucode_size; + + GEM_BUG_ON(!intel_uc_fw_is_available(uc_fw)); + + return sg_pcopy_to_buffer(pages->sgl, pages->nents, dst, size, offset); +} + +/** + * intel_uc_fw_dump - dump information about uC firmware + * @uc_fw: uC firmware + * @p: the &drm_printer + * + * Pretty printer for uC firmware. + */ +void intel_uc_fw_dump(const struct intel_uc_fw *uc_fw, struct drm_printer *p) +{ + drm_printf(p, "%s firmware: %s\n", + intel_uc_fw_type_repr(uc_fw->type), uc_fw->path); + drm_printf(p, "\tstatus: %s\n", + intel_uc_fw_status_repr(uc_fw->status)); + drm_printf(p, "\tversion: wanted %u.%u, found %u.%u\n", + uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted, + uc_fw->major_ver_found, uc_fw->minor_ver_found); + drm_printf(p, "\tuCode: %u bytes\n", uc_fw->ucode_size); + drm_printf(p, "\tRSA: %u bytes\n", uc_fw->rsa_size); +} diff --git a/drivers/gpu/drm/i915/intel_uc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h index ff98f8661d72..6b64b8073703 100644 --- a/drivers/gpu/drm/i915/intel_uc_fw.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h @@ -25,34 +25,45 @@ #ifndef _INTEL_UC_FW_H_ #define _INTEL_UC_FW_H_ +#include <linux/types.h> +#include "intel_uc_fw_abi.h" +#include "i915_gem.h" + struct drm_printer; struct drm_i915_private; +struct intel_gt; /* Home of GuC, HuC and DMC firmwares */ #define INTEL_UC_FIRMWARE_URL "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915" enum intel_uc_fw_status { - INTEL_UC_FIRMWARE_FAIL = -1, - INTEL_UC_FIRMWARE_NONE = 0, - INTEL_UC_FIRMWARE_PENDING, - INTEL_UC_FIRMWARE_SUCCESS + INTEL_UC_FIRMWARE_FAIL = -3, /* failed to xfer or init/auth the fw */ + INTEL_UC_FIRMWARE_MISSING = -2, /* blob not found on the system */ + INTEL_UC_FIRMWARE_NOT_SUPPORTED = -1, /* no uc HW */ + INTEL_UC_FIRMWARE_UNINITIALIZED = 0, /* used to catch checks done too early */ + INTEL_UC_FIRMWARE_SELECTED, /* selected the blob we want to load */ + INTEL_UC_FIRMWARE_AVAILABLE, /* blob found and copied in mem */ + INTEL_UC_FIRMWARE_TRANSFERRED, /* dma xfer done */ + INTEL_UC_FIRMWARE_RUNNING /* init/auth done */ }; enum intel_uc_fw_type { - INTEL_UC_FW_TYPE_GUC, + INTEL_UC_FW_TYPE_GUC = 0, INTEL_UC_FW_TYPE_HUC }; +#define INTEL_UC_FW_NUM_TYPES 2 /* * This structure encapsulates all the data needed during the process * of fetching, caching, and loading the firmware image into the uC. */ struct intel_uc_fw { + enum intel_uc_fw_type type; + enum intel_uc_fw_status status; const char *path; + bool user_overridden; size_t size; struct drm_i915_gem_object *obj; - enum intel_uc_fw_status fetch_status; - enum intel_uc_fw_status load_status; /* * The firmware build process will generate a version header file with major and @@ -64,13 +75,8 @@ struct intel_uc_fw { u16 major_ver_found; u16 minor_ver_found; - enum intel_uc_fw_type type; - u32 header_size; - u32 header_offset; u32 rsa_size; - u32 rsa_offset; u32 ucode_size; - u32 ucode_offset; }; static inline @@ -79,12 +85,20 @@ const char *intel_uc_fw_status_repr(enum intel_uc_fw_status status) switch (status) { case INTEL_UC_FIRMWARE_FAIL: return "FAIL"; - case INTEL_UC_FIRMWARE_NONE: - return "NONE"; - case INTEL_UC_FIRMWARE_PENDING: - return "PENDING"; - case INTEL_UC_FIRMWARE_SUCCESS: - return "SUCCESS"; + case INTEL_UC_FIRMWARE_MISSING: + return "MISSING"; + case INTEL_UC_FIRMWARE_NOT_SUPPORTED: + return "N/A"; + case INTEL_UC_FIRMWARE_UNINITIALIZED: + return "UNINITIALIZED"; + case INTEL_UC_FIRMWARE_SELECTED: + return "SELECTED"; + case INTEL_UC_FIRMWARE_AVAILABLE: + return "AVAILABLE"; + case INTEL_UC_FIRMWARE_TRANSFERRED: + return "TRANSFERRED"; + case INTEL_UC_FIRMWARE_RUNNING: + return "RUNNING"; } return "<invalid>"; } @@ -100,30 +114,43 @@ static inline const char *intel_uc_fw_type_repr(enum intel_uc_fw_type type) return "uC"; } -static inline -void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw, - enum intel_uc_fw_type type) +static inline enum intel_uc_fw_status +__intel_uc_fw_status(struct intel_uc_fw *uc_fw) { - uc_fw->path = NULL; - uc_fw->fetch_status = INTEL_UC_FIRMWARE_NONE; - uc_fw->load_status = INTEL_UC_FIRMWARE_NONE; - uc_fw->type = type; + /* shouldn't call this before checking hw/blob availability */ + GEM_BUG_ON(uc_fw->status == INTEL_UC_FIRMWARE_UNINITIALIZED); + return uc_fw->status; } -static inline bool intel_uc_fw_is_selected(struct intel_uc_fw *uc_fw) +static inline bool intel_uc_fw_is_available(struct intel_uc_fw *uc_fw) { - return uc_fw->path != NULL; + return __intel_uc_fw_status(uc_fw) >= INTEL_UC_FIRMWARE_AVAILABLE; } static inline bool intel_uc_fw_is_loaded(struct intel_uc_fw *uc_fw) { - return uc_fw->load_status == INTEL_UC_FIRMWARE_SUCCESS; + return __intel_uc_fw_status(uc_fw) >= INTEL_UC_FIRMWARE_TRANSFERRED; +} + +static inline bool intel_uc_fw_is_running(struct intel_uc_fw *uc_fw) +{ + return __intel_uc_fw_status(uc_fw) == INTEL_UC_FIRMWARE_RUNNING; +} + +static inline bool intel_uc_fw_supported(struct intel_uc_fw *uc_fw) +{ + return __intel_uc_fw_status(uc_fw) != INTEL_UC_FIRMWARE_NOT_SUPPORTED; +} + +static inline bool intel_uc_fw_is_overridden(const struct intel_uc_fw *uc_fw) +{ + return uc_fw->user_overridden; } static inline void intel_uc_fw_sanitize(struct intel_uc_fw *uc_fw) { if (intel_uc_fw_is_loaded(uc_fw)) - uc_fw->load_status = INTEL_UC_FIRMWARE_PENDING; + uc_fw->status = INTEL_UC_FIRMWARE_AVAILABLE; } /** @@ -136,20 +163,23 @@ static inline void intel_uc_fw_sanitize(struct intel_uc_fw *uc_fw) */ static inline u32 intel_uc_fw_get_upload_size(struct intel_uc_fw *uc_fw) { - if (uc_fw->fetch_status != INTEL_UC_FIRMWARE_SUCCESS) + if (!intel_uc_fw_is_available(uc_fw)) return 0; - return uc_fw->header_size + uc_fw->ucode_size; + return sizeof(struct uc_css_header) + uc_fw->ucode_size; } -void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, - struct intel_uc_fw *uc_fw); +void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw, + enum intel_uc_fw_type type, + struct drm_i915_private *i915); +void intel_uc_fw_fetch(struct intel_uc_fw *uc_fw, + struct drm_i915_private *i915); void intel_uc_fw_cleanup_fetch(struct intel_uc_fw *uc_fw); -int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, - int (*xfer)(struct intel_uc_fw *uc_fw)); +int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, struct intel_gt *gt, + u32 wopcm_offset, u32 dma_flags); int intel_uc_fw_init(struct intel_uc_fw *uc_fw); void intel_uc_fw_fini(struct intel_uc_fw *uc_fw); -u32 intel_uc_fw_ggtt_offset(struct intel_uc_fw *uc_fw); +size_t intel_uc_fw_copy_rsa(struct intel_uc_fw *uc_fw, void *dst, u32 max_len); void intel_uc_fw_dump(const struct intel_uc_fw *uc_fw, struct drm_printer *p); #endif diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h new file mode 100644 index 000000000000..ae58e8a8c53b --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h @@ -0,0 +1,82 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation + */ + +#ifndef _INTEL_UC_FW_ABI_H +#define _INTEL_UC_FW_ABI_H + +#include <linux/types.h> +#include <linux/build_bug.h> + +/** + * DOC: Firmware Layout + * + * The GuC/HuC firmware layout looks like this:: + * + * +======================================================================+ + * | Firmware blob | + * +===============+===============+============+============+============+ + * | CSS header | uCode | RSA key | modulus | exponent | + * +===============+===============+============+============+============+ + * <-header size-> <---header size continued -----------> + * <--- size -----------------------------------------------------------> + * <-key size-> + * <-mod size-> + * <-exp size-> + * + * The firmware may or may not have modulus key and exponent data. The header, + * uCode and RSA signature are must-have components that will be used by driver. + * Length of each components, which is all in dwords, can be found in header. + * In the case that modulus and exponent are not present in fw, a.k.a truncated + * image, the length value still appears in header. + * + * Driver will do some basic fw size validation based on the following rules: + * + * 1. Header, uCode and RSA are must-have components. + * 2. All firmware components, if they present, are in the sequence illustrated + * in the layout table above. + * 3. Length info of each component can be found in header, in dwords. + * 4. Modulus and exponent key are not required by driver. They may not appear + * in fw. So driver will load a truncated firmware in this case. + * + * The only difference between GuC and HuC firmwares is how the version + * information is saved. + */ + +struct uc_css_header { + u32 module_type; + /* + * header_size includes all non-uCode bits, including css_header, rsa + * key, modulus key and exponent data. + */ + u32 header_size_dw; + u32 header_version; + u32 module_id; + u32 module_vendor; + u32 date; +#define CSS_DATE_DAY (0xFF << 0) +#define CSS_DATE_MONTH (0xFF << 8) +#define CSS_DATE_YEAR (0xFFFF << 16) + u32 size_dw; /* uCode plus header_size_dw */ + u32 key_size_dw; + u32 modulus_size_dw; + u32 exponent_size_dw; + u32 time; +#define CSS_TIME_HOUR (0xFF << 0) +#define CSS_DATE_MIN (0xFF << 8) +#define CSS_DATE_SEC (0xFFFF << 16) + char username[8]; + char buildnumber[12]; + u32 sw_version; +#define CSS_SW_VERSION_GUC_MAJOR (0xFF << 16) +#define CSS_SW_VERSION_GUC_MINOR (0xFF << 8) +#define CSS_SW_VERSION_GUC_PATCH (0xFF << 0) +#define CSS_SW_VERSION_HUC_MAJOR (0xFFFF << 16) +#define CSS_SW_VERSION_HUC_MINOR (0xFFFF << 0) + u32 reserved[14]; + u32 header_info; +} __packed; +static_assert(sizeof(struct uc_css_header) == 128); + +#endif /* _INTEL_UC_FW_ABI_H */ diff --git a/drivers/gpu/drm/i915/selftests/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/selftest_guc.c index 6ca8584cd64c..371f7a60c987 100644 --- a/drivers/gpu/drm/i915/selftests/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/selftest_guc.c @@ -103,17 +103,9 @@ static int ring_doorbell_nop(struct intel_guc_client *client) /* * Basic client sanity check, handy to validate create_clients. */ -static int validate_client(struct intel_guc_client *client, - int client_priority, - bool is_preempt_client) +static int validate_client(struct intel_guc_client *client, int client_priority) { - struct drm_i915_private *dev_priv = guc_to_i915(client->guc); - struct i915_gem_context *ctx_owner = is_preempt_client ? - dev_priv->preempt_context : dev_priv->kernel_context; - - if (client->owner != ctx_owner || - client->engines != INTEL_INFO(dev_priv)->engine_mask || - client->priority != client_priority || + if (client->priority != client_priority || client->doorbell_id == GUC_DOORBELL_INVALID) return -EINVAL; else @@ -142,11 +134,11 @@ static int igt_guc_clients(void *args) struct intel_guc *guc; int err = 0; - GEM_BUG_ON(!HAS_GUC(dev_priv)); + GEM_BUG_ON(!HAS_GT_UC(dev_priv)); mutex_lock(&dev_priv->drm.struct_mutex); wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); - guc = &dev_priv->guc; + guc = &dev_priv->gt.uc.guc; if (!guc) { pr_err("No guc object!\n"); err = -EINVAL; @@ -163,7 +155,7 @@ static int igt_guc_clients(void *args) */ guc_clients_disable(guc); guc_clients_destroy(guc); - if (guc->execbuf_client || guc->preempt_client) { + if (guc->execbuf_client) { pr_err("guc_clients_destroy lied!\n"); err = -EINVAL; goto unlock; @@ -177,24 +169,14 @@ static int igt_guc_clients(void *args) GEM_BUG_ON(!guc->execbuf_client); err = validate_client(guc->execbuf_client, - GUC_CLIENT_PRIORITY_KMD_NORMAL, false); + GUC_CLIENT_PRIORITY_KMD_NORMAL); if (err) { pr_err("execbug client validation failed\n"); goto out; } - if (guc->preempt_client) { - err = validate_client(guc->preempt_client, - GUC_CLIENT_PRIORITY_KMD_HIGH, true); - if (err) { - pr_err("preempt client validation failed\n"); - goto out; - } - } - - /* each client should now have reserved a doorbell */ - if (!has_doorbell(guc->execbuf_client) || - (guc->preempt_client && !has_doorbell(guc->preempt_client))) { + /* the client should now have reserved a doorbell */ + if (!has_doorbell(guc->execbuf_client)) { pr_err("guc_clients_create didn't reserve doorbells\n"); err = -EINVAL; goto out; @@ -204,8 +186,7 @@ static int igt_guc_clients(void *args) guc_clients_enable(guc); /* each client should now have received a doorbell */ - if (!client_doorbell_in_sync(guc->execbuf_client) || - !client_doorbell_in_sync(guc->preempt_client)) { + if (!client_doorbell_in_sync(guc->execbuf_client)) { pr_err("failed to initialize the doorbells\n"); err = -EINVAL; goto out; @@ -245,11 +226,11 @@ static int igt_guc_doorbells(void *arg) int i, err = 0; u16 db_id; - GEM_BUG_ON(!HAS_GUC(dev_priv)); + GEM_BUG_ON(!HAS_GT_UC(dev_priv)); mutex_lock(&dev_priv->drm.struct_mutex); wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); - guc = &dev_priv->guc; + guc = &dev_priv->gt.uc.guc; if (!guc) { pr_err("No guc object!\n"); err = -EINVAL; @@ -261,10 +242,7 @@ static int igt_guc_doorbells(void *arg) goto unlock; for (i = 0; i < ATTEMPTS; i++) { - clients[i] = guc_client_alloc(dev_priv, - INTEL_INFO(dev_priv)->engine_mask, - i % GUC_CLIENT_PRIORITY_NUM, - dev_priv->kernel_context); + clients[i] = guc_client_alloc(guc, i % GUC_CLIENT_PRIORITY_NUM); if (!clients[i]) { pr_err("[%d] No guc client\n", i); @@ -300,8 +278,7 @@ static int igt_guc_doorbells(void *arg) goto out; } - err = validate_client(clients[i], - i % GUC_CLIENT_PRIORITY_NUM, false); + err = validate_client(clients[i], i % GUC_CLIENT_PRIORITY_NUM); if (err) { pr_err("[%d] client_alloc sanity check failed!\n", i); err = -EINVAL; diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index 42d0394f0de2..88789316807d 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -205,17 +205,18 @@ struct intel_vgpu_gtt { struct intel_vgpu_scratch_pt scratch_pt[GTT_TYPE_MAX]; }; -extern int intel_vgpu_init_gtt(struct intel_vgpu *vgpu); -extern void intel_vgpu_clean_gtt(struct intel_vgpu *vgpu); +int intel_vgpu_init_gtt(struct intel_vgpu *vgpu); +void intel_vgpu_clean_gtt(struct intel_vgpu *vgpu); void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu, bool invalidate_old); void intel_vgpu_invalidate_ppgtt(struct intel_vgpu *vgpu); -extern int intel_gvt_init_gtt(struct intel_gvt *gvt); +int intel_gvt_init_gtt(struct intel_gvt *gvt); void intel_vgpu_reset_gtt(struct intel_vgpu *vgpu); -extern void intel_gvt_clean_gtt(struct intel_gvt *gvt); +void intel_gvt_clean_gtt(struct intel_gvt *gvt); -extern struct intel_vgpu_mm *intel_gvt_find_ppgtt_mm(struct intel_vgpu *vgpu, - int page_table_level, void *root_entry); +struct intel_vgpu_mm *intel_gvt_find_ppgtt_mm(struct intel_vgpu *vgpu, + int page_table_level, + void *root_entry); struct intel_vgpu_oos_page { struct intel_vgpu_ppgtt_spt *spt; diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 9f3fd7d96a69..f40524b0e300 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -1157,7 +1157,7 @@ void intel_vgpu_clean_submission(struct intel_vgpu *vgpu) intel_vgpu_select_submission_ops(vgpu, ALL_ENGINES, 0); - i915_context_ppgtt_root_restore(s, i915_vm_to_ppgtt(s->shadow[0]->gem_context->vm)); + i915_context_ppgtt_root_restore(s, i915_vm_to_ppgtt(s->shadow[0]->vm)); for_each_engine(engine, vgpu->gvt->dev_priv, id) intel_context_unpin(s->shadow[id]); diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c index 293e5bcc4b6c..d32db8a4db5c 100644 --- a/drivers/gpu/drm/i915/i915_active.c +++ b/drivers/gpu/drm/i915/i915_active.c @@ -4,6 +4,8 @@ * Copyright © 2019 Intel Corporation */ +#include <linux/debugobjects.h> + #include "gt/intel_engine_pm.h" #include "i915_drv.h" @@ -31,49 +33,108 @@ struct active_node { u64 timeline; }; -static void -__active_park(struct i915_active *ref) +#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM) && IS_ENABLED(CONFIG_DEBUG_OBJECTS) + +static void *active_debug_hint(void *addr) { - struct active_node *it, *n; + struct i915_active *ref = addr; - rbtree_postorder_for_each_entry_safe(it, n, &ref->tree, node) { - GEM_BUG_ON(i915_active_request_isset(&it->base)); - kmem_cache_free(global.slab_cache, it); - } - ref->tree = RB_ROOT; + return (void *)ref->active ?: (void *)ref->retire ?: (void *)ref; +} + +static struct debug_obj_descr active_debug_desc = { + .name = "i915_active", + .debug_hint = active_debug_hint, +}; + +static void debug_active_init(struct i915_active *ref) +{ + debug_object_init(ref, &active_debug_desc); } +static void debug_active_activate(struct i915_active *ref) +{ + debug_object_activate(ref, &active_debug_desc); +} + +static void debug_active_deactivate(struct i915_active *ref) +{ + debug_object_deactivate(ref, &active_debug_desc); +} + +static void debug_active_fini(struct i915_active *ref) +{ + debug_object_free(ref, &active_debug_desc); +} + +static void debug_active_assert(struct i915_active *ref) +{ + debug_object_assert_init(ref, &active_debug_desc); +} + +#else + +static inline void debug_active_init(struct i915_active *ref) { } +static inline void debug_active_activate(struct i915_active *ref) { } +static inline void debug_active_deactivate(struct i915_active *ref) { } +static inline void debug_active_fini(struct i915_active *ref) { } +static inline void debug_active_assert(struct i915_active *ref) { } + +#endif + static void __active_retire(struct i915_active *ref) { - GEM_BUG_ON(!ref->count); - if (--ref->count) - return; + struct active_node *it, *n; + struct rb_root root; + bool retire = false; + + lockdep_assert_held(&ref->mutex); + + /* return the unused nodes to our slabcache -- flushing the allocator */ + if (atomic_dec_and_test(&ref->count)) { + debug_active_deactivate(ref); + root = ref->tree; + ref->tree = RB_ROOT; + ref->cache = NULL; + retire = true; + } - /* return the unused nodes to our slabcache */ - __active_park(ref); + mutex_unlock(&ref->mutex); + if (!retire) + return; ref->retire(ref); + + rbtree_postorder_for_each_entry_safe(it, n, &root, node) { + GEM_BUG_ON(i915_active_request_isset(&it->base)); + kmem_cache_free(global.slab_cache, it); + } } static void -node_retire(struct i915_active_request *base, struct i915_request *rq) +active_retire(struct i915_active *ref) { - __active_retire(container_of(base, struct active_node, base)->ref); + GEM_BUG_ON(!atomic_read(&ref->count)); + if (atomic_add_unless(&ref->count, -1, 1)) + return; + + /* One active may be flushed from inside the acquire of another */ + mutex_lock_nested(&ref->mutex, SINGLE_DEPTH_NESTING); + __active_retire(ref); } static void -last_retire(struct i915_active_request *base, struct i915_request *rq) +node_retire(struct i915_active_request *base, struct i915_request *rq) { - __active_retire(container_of(base, struct i915_active, last)); + active_retire(container_of(base, struct active_node, base)->ref); } static struct i915_active_request * active_instance(struct i915_active *ref, u64 idx) { - struct active_node *node; + struct active_node *node, *prealloc; struct rb_node **p, *parent; - struct i915_request *old; /* * We track the most recently used timeline to skip a rbtree search @@ -81,20 +142,18 @@ active_instance(struct i915_active *ref, u64 idx) * at all. We can reuse the last slot if it is empty, that is * after the previous activity has been retired, or if it matches the * current timeline. - * - * Note that we allow the timeline to be active simultaneously in - * the rbtree and the last cache. We do this to avoid having - * to search and replace the rbtree element for a new timeline, with - * the cost being that we must be aware that the ref may be retired - * twice for the same timeline (as the older rbtree element will be - * retired before the new request added to last). */ - old = i915_active_request_raw(&ref->last, BKL(ref)); - if (!old || old->fence.context == idx) - goto out; + node = READ_ONCE(ref->cache); + if (node && node->timeline == idx) + return &node->base; - /* Move the currently active fence into the rbtree */ - idx = old->fence.context; + /* Preallocate a replacement, just in case */ + prealloc = kmem_cache_alloc(global.slab_cache, GFP_KERNEL); + if (!prealloc) + return NULL; + + mutex_lock(&ref->mutex); + GEM_BUG_ON(i915_active_is_idle(ref)); parent = NULL; p = &ref->tree.rb_node; @@ -102,8 +161,10 @@ active_instance(struct i915_active *ref, u64 idx) parent = *p; node = rb_entry(parent, struct active_node, node); - if (node->timeline == idx) - goto replace; + if (node->timeline == idx) { + kmem_cache_free(global.slab_cache, prealloc); + goto out; + } if (node->timeline < idx) p = &parent->rb_right; @@ -111,17 +172,7 @@ active_instance(struct i915_active *ref, u64 idx) p = &parent->rb_left; } - node = kmem_cache_alloc(global.slab_cache, GFP_KERNEL); - - /* kmalloc may retire the ref->last (thanks shrinker)! */ - if (unlikely(!i915_active_request_raw(&ref->last, BKL(ref)))) { - kmem_cache_free(global.slab_cache, node); - goto out; - } - - if (unlikely(!node)) - return ERR_PTR(-ENOMEM); - + node = prealloc; i915_active_request_init(&node->base, NULL, node_retire); node->ref = ref; node->timeline = idx; @@ -129,38 +180,30 @@ active_instance(struct i915_active *ref, u64 idx) rb_link_node(&node->node, parent, p); rb_insert_color(&node->node, &ref->tree); -replace: - /* - * Overwrite the previous active slot in the rbtree with last, - * leaving last zeroed. If the previous slot is still active, - * we must be careful as we now only expect to receive one retire - * callback not two, and so much undo the active counting for the - * overwritten slot. - */ - if (i915_active_request_isset(&node->base)) { - /* Retire ourselves from the old rq->active_list */ - __list_del_entry(&node->base.link); - ref->count--; - GEM_BUG_ON(!ref->count); - } - GEM_BUG_ON(list_empty(&ref->last.link)); - list_replace_init(&ref->last.link, &node->base.link); - node->base.request = fetch_and_zero(&ref->last.request); - out: - return &ref->last; + ref->cache = node; + mutex_unlock(&ref->mutex); + + return &node->base; } -void i915_active_init(struct drm_i915_private *i915, - struct i915_active *ref, - void (*retire)(struct i915_active *ref)) +void __i915_active_init(struct drm_i915_private *i915, + struct i915_active *ref, + int (*active)(struct i915_active *ref), + void (*retire)(struct i915_active *ref), + struct lock_class_key *key) { + debug_active_init(ref); + ref->i915 = i915; + ref->flags = 0; + ref->active = active; ref->retire = retire; ref->tree = RB_ROOT; - i915_active_request_init(&ref->last, NULL, last_retire); + ref->cache = NULL; init_llist_head(&ref->barriers); - ref->count = 0; + atomic_set(&ref->count, 0); + __mutex_init(&ref->mutex, "i915_active", key); } int i915_active_ref(struct i915_active *ref, @@ -168,60 +211,123 @@ int i915_active_ref(struct i915_active *ref, struct i915_request *rq) { struct i915_active_request *active; - int err = 0; + int err; /* Prevent reaping in case we malloc/wait while building the tree */ - i915_active_acquire(ref); + err = i915_active_acquire(ref); + if (err) + return err; active = active_instance(ref, timeline); - if (IS_ERR(active)) { - err = PTR_ERR(active); + if (!active) { + err = -ENOMEM; goto out; } if (!i915_active_request_isset(active)) - ref->count++; + atomic_inc(&ref->count); __i915_active_request_set(active, rq); - GEM_BUG_ON(!ref->count); out: i915_active_release(ref); return err; } -bool i915_active_acquire(struct i915_active *ref) +int i915_active_acquire(struct i915_active *ref) { - lockdep_assert_held(BKL(ref)); - return !ref->count++; + int err; + + debug_active_assert(ref); + if (atomic_add_unless(&ref->count, 1, 0)) + return 0; + + err = mutex_lock_interruptible(&ref->mutex); + if (err) + return err; + + if (!atomic_read(&ref->count) && ref->active) + err = ref->active(ref); + if (!err) { + debug_active_activate(ref); + atomic_inc(&ref->count); + } + + mutex_unlock(&ref->mutex); + + return err; } void i915_active_release(struct i915_active *ref) { - lockdep_assert_held(BKL(ref)); - __active_retire(ref); + debug_active_assert(ref); + active_retire(ref); +} + +static void __active_ungrab(struct i915_active *ref) +{ + clear_and_wake_up_bit(I915_ACTIVE_GRAB_BIT, &ref->flags); +} + +bool i915_active_trygrab(struct i915_active *ref) +{ + debug_active_assert(ref); + + if (test_and_set_bit(I915_ACTIVE_GRAB_BIT, &ref->flags)) + return false; + + if (!atomic_add_unless(&ref->count, 1, 0)) { + __active_ungrab(ref); + return false; + } + + return true; +} + +void i915_active_ungrab(struct i915_active *ref) +{ + GEM_BUG_ON(!test_bit(I915_ACTIVE_GRAB_BIT, &ref->flags)); + + active_retire(ref); + __active_ungrab(ref); } int i915_active_wait(struct i915_active *ref) { struct active_node *it, *n; - int ret = 0; + int err; - if (i915_active_acquire(ref)) - goto out_release; + might_sleep(); + might_lock(&ref->mutex); + + if (i915_active_is_idle(ref)) + return 0; + + err = mutex_lock_interruptible(&ref->mutex); + if (err) + return err; - ret = i915_active_request_retire(&ref->last, BKL(ref)); - if (ret) - goto out_release; + if (!atomic_add_unless(&ref->count, 1, 0)) { + mutex_unlock(&ref->mutex); + return 0; + } rbtree_postorder_for_each_entry_safe(it, n, &ref->tree, node) { - ret = i915_active_request_retire(&it->base, BKL(ref)); - if (ret) + err = i915_active_request_retire(&it->base, BKL(ref)); + if (err) break; } -out_release: - i915_active_release(ref); - return ret; + __active_retire(ref); + if (err) + return err; + + if (wait_on_bit(&ref->flags, I915_ACTIVE_GRAB_BIT, TASK_KILLABLE)) + return -EINTR; + + if (!i915_active_is_idle(ref)) + return -EBUSY; + + return 0; } int i915_request_await_active_request(struct i915_request *rq, @@ -236,23 +342,24 @@ int i915_request_await_active_request(struct i915_request *rq, int i915_request_await_active(struct i915_request *rq, struct i915_active *ref) { struct active_node *it, *n; - int err = 0; + int err; - /* await allocates and so we need to avoid hitting the shrinker */ - if (i915_active_acquire(ref)) - goto out; /* was idle */ + if (RB_EMPTY_ROOT(&ref->tree)) + return 0; - err = i915_request_await_active_request(rq, &ref->last); + /* await allocates and so we need to avoid hitting the shrinker */ + err = i915_active_acquire(ref); if (err) - goto out; + return err; + mutex_lock(&ref->mutex); rbtree_postorder_for_each_entry_safe(it, n, &ref->tree, node) { err = i915_request_await_active_request(rq, &it->base); if (err) - goto out; + break; } + mutex_unlock(&ref->mutex); -out: i915_active_release(ref); return err; } @@ -260,9 +367,10 @@ out: #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM) void i915_active_fini(struct i915_active *ref) { - GEM_BUG_ON(i915_active_request_isset(&ref->last)); + debug_active_fini(ref); GEM_BUG_ON(!RB_EMPTY_ROOT(&ref->tree)); - GEM_BUG_ON(ref->count); + GEM_BUG_ON(atomic_read(&ref->count)); + mutex_destroy(&ref->mutex); } #endif @@ -270,12 +378,12 @@ int i915_active_acquire_preallocate_barrier(struct i915_active *ref, struct intel_engine_cs *engine) { struct drm_i915_private *i915 = engine->i915; + intel_engine_mask_t tmp, mask = engine->mask; struct llist_node *pos, *next; - unsigned long tmp; int err; - GEM_BUG_ON(!engine->mask); - for_each_engine_masked(engine, i915, engine->mask, tmp) { + GEM_BUG_ON(!mask); + for_each_engine_masked(engine, i915, mask, tmp) { struct intel_context *kctx = engine->kernel_context; struct active_node *node; @@ -289,7 +397,7 @@ int i915_active_acquire_preallocate_barrier(struct i915_active *ref, (void *)engine, node_retire); node->timeline = kctx->ring->timeline->fence_context; node->ref = ref; - ref->count++; + atomic_inc(&ref->count); intel_engine_pm_get(engine); llist_add((struct llist_node *)&node->base.link, @@ -316,8 +424,9 @@ void i915_active_acquire_barrier(struct i915_active *ref) { struct llist_node *pos, *next; - i915_active_acquire(ref); + GEM_BUG_ON(i915_active_is_idle(ref)); + mutex_lock_nested(&ref->mutex, SINGLE_DEPTH_NESTING); llist_for_each_safe(pos, next, llist_del_all(&ref->barriers)) { struct intel_engine_cs *engine; struct active_node *node; @@ -347,7 +456,7 @@ void i915_active_acquire_barrier(struct i915_active *ref) &engine->barrier_tasks); intel_engine_pm_put(engine); } - i915_active_release(ref); + mutex_unlock(&ref->mutex); } void i915_request_add_barriers(struct i915_request *rq) diff --git a/drivers/gpu/drm/i915/i915_active.h b/drivers/gpu/drm/i915/i915_active.h index c14eebf6d074..ba68b077ec6c 100644 --- a/drivers/gpu/drm/i915/i915_active.h +++ b/drivers/gpu/drm/i915/i915_active.h @@ -369,9 +369,16 @@ i915_active_request_retire(struct i915_active_request *active, * synchronisation. */ -void i915_active_init(struct drm_i915_private *i915, - struct i915_active *ref, - void (*retire)(struct i915_active *ref)); +void __i915_active_init(struct drm_i915_private *i915, + struct i915_active *ref, + int (*active)(struct i915_active *ref), + void (*retire)(struct i915_active *ref), + struct lock_class_key *key); +#define i915_active_init(i915, ref, active, retire) do { \ + static struct lock_class_key __key; \ + \ + __i915_active_init(i915, ref, active, retire, &__key); \ +} while (0) int i915_active_ref(struct i915_active *ref, u64 timeline, @@ -384,20 +391,17 @@ int i915_request_await_active(struct i915_request *rq, int i915_request_await_active_request(struct i915_request *rq, struct i915_active_request *active); -bool i915_active_acquire(struct i915_active *ref); - -static inline void i915_active_cancel(struct i915_active *ref) -{ - GEM_BUG_ON(ref->count != 1); - ref->count = 0; -} - +int i915_active_acquire(struct i915_active *ref); void i915_active_release(struct i915_active *ref); +void __i915_active_release_nested(struct i915_active *ref, int subclass); + +bool i915_active_trygrab(struct i915_active *ref); +void i915_active_ungrab(struct i915_active *ref); static inline bool i915_active_is_idle(const struct i915_active *ref) { - return !ref->count; + return !atomic_read(&ref->count); } #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM) diff --git a/drivers/gpu/drm/i915/i915_active_types.h b/drivers/gpu/drm/i915/i915_active_types.h index c025991b9233..74743dd0d5f0 100644 --- a/drivers/gpu/drm/i915/i915_active_types.h +++ b/drivers/gpu/drm/i915/i915_active_types.h @@ -7,7 +7,9 @@ #ifndef _I915_ACTIVE_TYPES_H_ #define _I915_ACTIVE_TYPES_H_ +#include <linux/atomic.h> #include <linux/llist.h> +#include <linux/mutex.h> #include <linux/rbtree.h> #include <linux/rcupdate.h> @@ -24,13 +26,20 @@ struct i915_active_request { i915_active_retire_fn retire; }; +struct active_node; + struct i915_active { struct drm_i915_private *i915; + struct active_node *cache; struct rb_root tree; - struct i915_active_request last; - unsigned int count; + struct mutex mutex; + atomic_t count; + + unsigned long flags; +#define I915_ACTIVE_GRAB_BIT 0 + int (*active)(struct i915_active *ref); void (*retire)(struct i915_active *ref); struct llist_head barriers; diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 62cf34db9280..24787bb48c9f 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -40,12 +40,12 @@ #include "gem/i915_gem_context.h" #include "gt/intel_reset.h" +#include "gt/uc/intel_guc_submission.h" #include "i915_debugfs.h" #include "i915_irq.h" #include "intel_csr.h" #include "intel_drv.h" -#include "intel_guc_submission.h" #include "intel_pm.h" #include "intel_sideband.h" @@ -75,11 +75,6 @@ static int i915_capabilities(struct seq_file *m, void *data) return 0; } -static char get_active_flag(struct drm_i915_gem_object *obj) -{ - return i915_gem_object_is_active(obj) ? '*' : ' '; -} - static char get_pin_flag(struct drm_i915_gem_object *obj) { return obj->pin_global ? 'p' : ' '; @@ -144,9 +139,8 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) unsigned int frontbuffer_bits; int pin_count = 0; - seq_printf(m, "%pK: %c%c%c%c%c %8zdKiB %02x %02x %s%s%s", + seq_printf(m, "%pK: %c%c%c%c %8zdKiB %02x %02x %s%s%s", &obj->base, - get_active_flag(obj), get_pin_flag(obj), get_tiling_flag(obj), get_global_flag(obj), @@ -1080,17 +1074,16 @@ static void i915_instdone_info(struct drm_i915_private *dev_priv, static int i915_hangcheck_info(struct seq_file *m, void *unused) { - struct drm_i915_private *dev_priv = node_to_i915(m->private); + struct drm_i915_private *i915 = node_to_i915(m->private); + struct intel_gt *gt = &i915->gt; struct intel_engine_cs *engine; - u64 acthd[I915_NUM_ENGINES]; - struct intel_instdone instdone; intel_wakeref_t wakeref; enum intel_engine_id id; - seq_printf(m, "Reset flags: %lx\n", dev_priv->gpu_error.flags); - if (test_bit(I915_WEDGED, &dev_priv->gpu_error.flags)) + seq_printf(m, "Reset flags: %lx\n", gt->reset.flags); + if (test_bit(I915_WEDGED, >->reset.flags)) seq_puts(m, "\tWedged\n"); - if (test_bit(I915_RESET_BACKOFF, &dev_priv->gpu_error.flags)) + if (test_bit(I915_RESET_BACKOFF, >->reset.flags)) seq_puts(m, "\tDevice (global) reset in progress\n"); if (!i915_modparams.enable_hangcheck) { @@ -1098,42 +1091,37 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused) return 0; } - with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) { - for_each_engine(engine, dev_priv, id) - acthd[id] = intel_engine_get_active_head(engine); - - intel_engine_get_instdone(dev_priv->engine[RCS0], &instdone); - } - - if (timer_pending(&dev_priv->gpu_error.hangcheck_work.timer)) + if (timer_pending(>->hangcheck.work.timer)) seq_printf(m, "Hangcheck active, timer fires in %dms\n", - jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires - + jiffies_to_msecs(gt->hangcheck.work.timer.expires - jiffies)); - else if (delayed_work_pending(&dev_priv->gpu_error.hangcheck_work)) + else if (delayed_work_pending(>->hangcheck.work)) seq_puts(m, "Hangcheck active, work pending\n"); else seq_puts(m, "Hangcheck inactive\n"); - seq_printf(m, "GT active? %s\n", yesno(dev_priv->gt.awake)); + seq_printf(m, "GT active? %s\n", yesno(gt->awake)); - for_each_engine(engine, dev_priv, id) { - seq_printf(m, "%s: %d ms ago\n", - engine->name, - jiffies_to_msecs(jiffies - - engine->hangcheck.action_timestamp)); + with_intel_runtime_pm(&i915->runtime_pm, wakeref) { + for_each_engine(engine, i915, id) { + struct intel_instdone instdone; - seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n", - (long long)engine->hangcheck.acthd, - (long long)acthd[id]); + seq_printf(m, "%s: %d ms ago\n", + engine->name, + jiffies_to_msecs(jiffies - + engine->hangcheck.action_timestamp)); - if (engine->id == RCS0) { - seq_puts(m, "\tinstdone read =\n"); + seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n", + (long long)engine->hangcheck.acthd, + intel_engine_get_active_head(engine)); - i915_instdone_info(dev_priv, m, &instdone); + intel_engine_get_instdone(engine, &instdone); - seq_puts(m, "\tinstdone accu =\n"); + seq_puts(m, "\tinstdone read =\n"); + i915_instdone_info(i915, m, &instdone); - i915_instdone_info(dev_priv, m, + seq_puts(m, "\tinstdone accu =\n"); + i915_instdone_info(i915, m, &engine->hangcheck.instdone); } } @@ -1141,23 +1129,6 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused) return 0; } -static int i915_reset_info(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct i915_gpu_error *error = &dev_priv->gpu_error; - struct intel_engine_cs *engine; - enum intel_engine_id id; - - seq_printf(m, "full gpu reset = %u\n", i915_reset_count(error)); - - for_each_engine(engine, dev_priv, id) { - seq_printf(m, "%s = %u\n", engine->name, - i915_reset_engine_count(error, engine)); - } - - return 0; -} - static int ironlake_drpc_info(struct seq_file *m) { struct drm_i915_private *i915 = node_to_i915(m->private); @@ -1894,11 +1865,11 @@ static int i915_huc_load_status_info(struct seq_file *m, void *data) intel_wakeref_t wakeref; struct drm_printer p; - if (!HAS_HUC(dev_priv)) + if (!HAS_GT_UC(dev_priv)) return -ENODEV; p = drm_seq_file_printer(m); - intel_uc_fw_dump(&dev_priv->huc.fw, &p); + intel_uc_fw_dump(&dev_priv->gt.uc.huc.fw, &p); with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) seq_printf(m, "\nHuC status 0x%08x:\n", I915_READ(HUC_STATUS2)); @@ -1912,11 +1883,11 @@ static int i915_guc_load_status_info(struct seq_file *m, void *data) intel_wakeref_t wakeref; struct drm_printer p; - if (!HAS_GUC(dev_priv)) + if (!HAS_GT_UC(dev_priv)) return -ENODEV; p = drm_seq_file_printer(m); - intel_uc_fw_dump(&dev_priv->guc.fw, &p); + intel_uc_fw_dump(&dev_priv->gt.uc.guc.fw, &p); with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) { u32 tmp = I915_READ(GUC_STATUS); @@ -1959,7 +1930,7 @@ stringify_guc_log_type(enum guc_log_buffer_type type) static void i915_guc_log_info(struct seq_file *m, struct drm_i915_private *dev_priv) { - struct intel_guc_log *log = &dev_priv->guc.log; + struct intel_guc_log *log = &dev_priv->gt.uc.guc.log; enum guc_log_buffer_type type; if (!intel_guc_log_relay_enabled(log)) { @@ -2005,7 +1976,7 @@ static void i915_guc_client_info(struct seq_file *m, static int i915_guc_info(struct seq_file *m, void *data) { struct drm_i915_private *dev_priv = node_to_i915(m->private); - const struct intel_guc *guc = &dev_priv->guc; + const struct intel_guc *guc = &dev_priv->gt.uc.guc; if (!USES_GUC(dev_priv)) return -ENODEV; @@ -2023,11 +1994,6 @@ static int i915_guc_info(struct seq_file *m, void *data) seq_printf(m, "\nGuC execbuf client @ %p:\n", guc->execbuf_client); i915_guc_client_info(m, dev_priv, guc->execbuf_client); - if (guc->preempt_client) { - seq_printf(m, "\nGuC preempt client @ %p:\n", - guc->preempt_client); - i915_guc_client_info(m, dev_priv, guc->preempt_client); - } /* Add more as required ... */ @@ -2037,9 +2003,8 @@ static int i915_guc_info(struct seq_file *m, void *data) static int i915_guc_stage_pool(struct seq_file *m, void *data) { struct drm_i915_private *dev_priv = node_to_i915(m->private); - const struct intel_guc *guc = &dev_priv->guc; + const struct intel_guc *guc = &dev_priv->gt.uc.guc; struct guc_stage_desc *desc = guc->stage_desc_pool_vaddr; - struct intel_guc_client *client = guc->execbuf_client; intel_engine_mask_t tmp; int index; @@ -2069,7 +2034,7 @@ static int i915_guc_stage_pool(struct seq_file *m, void *data) desc->wq_addr, desc->wq_size); seq_putc(m, '\n'); - for_each_engine_masked(engine, dev_priv, client->engines, tmp) { + for_each_engine(engine, dev_priv, tmp) { u32 guc_engine_id = engine->guc_id; struct guc_execlist_context *lrc = &desc->lrc[guc_engine_id]; @@ -2097,13 +2062,13 @@ static int i915_guc_log_dump(struct seq_file *m, void *data) u32 *log; int i = 0; - if (!HAS_GUC(dev_priv)) + if (!HAS_GT_UC(dev_priv)) return -ENODEV; if (dump_load_err) - obj = dev_priv->guc.load_err_log; - else if (dev_priv->guc.log.vma) - obj = dev_priv->guc.log.vma->obj; + obj = dev_priv->gt.uc.guc.load_err_log; + else if (dev_priv->gt.uc.guc.log.vma) + obj = dev_priv->gt.uc.guc.log.vma->obj; if (!obj) return 0; @@ -2134,7 +2099,7 @@ static int i915_guc_log_level_get(void *data, u64 *val) if (!USES_GUC(dev_priv)) return -ENODEV; - *val = intel_guc_log_get_level(&dev_priv->guc.log); + *val = intel_guc_log_get_level(&dev_priv->gt.uc.guc.log); return 0; } @@ -2146,7 +2111,7 @@ static int i915_guc_log_level_set(void *data, u64 val) if (!USES_GUC(dev_priv)) return -ENODEV; - return intel_guc_log_set_level(&dev_priv->guc.log, val); + return intel_guc_log_set_level(&dev_priv->gt.uc.guc.log, val); } DEFINE_SIMPLE_ATTRIBUTE(i915_guc_log_level_fops, @@ -2160,9 +2125,9 @@ static int i915_guc_log_relay_open(struct inode *inode, struct file *file) if (!USES_GUC(dev_priv)) return -ENODEV; - file->private_data = &dev_priv->guc.log; + file->private_data = &dev_priv->gt.uc.guc.log; - return intel_guc_log_relay_open(&dev_priv->guc.log); + return intel_guc_log_relay_open(&dev_priv->gt.uc.guc.log); } static ssize_t @@ -2182,7 +2147,7 @@ static int i915_guc_log_relay_release(struct inode *inode, struct file *file) { struct drm_i915_private *dev_priv = inode->i_private; - intel_guc_log_relay_close(&dev_priv->guc.log); + intel_guc_log_relay_close(&dev_priv->gt.uc.guc.log); return 0; } @@ -2485,7 +2450,8 @@ static int i915_power_domain_info(struct seq_file *m, void *unused) for_each_power_domain(power_domain, power_well->desc->domains) seq_printf(m, " %-23s %d\n", - intel_display_power_domain_str(power_domain), + intel_display_power_domain_str(dev_priv, + power_domain), power_domains->domain_use_count[power_domain]); } @@ -2603,6 +2569,25 @@ static void intel_panel_info(struct seq_file *m, struct intel_panel *panel) intel_seq_print_mode(m, 2, mode); } +static void intel_hdcp_info(struct seq_file *m, + struct intel_connector *intel_connector) +{ + bool hdcp_cap, hdcp2_cap; + + hdcp_cap = intel_hdcp_capable(intel_connector); + hdcp2_cap = intel_hdcp2_capable(intel_connector); + + if (hdcp_cap) + seq_puts(m, "HDCP1.4 "); + if (hdcp2_cap) + seq_puts(m, "HDCP2.2 "); + + if (!hdcp_cap && !hdcp2_cap) + seq_puts(m, "None"); + + seq_puts(m, "\n"); +} + static void intel_dp_info(struct seq_file *m, struct intel_connector *intel_connector) { @@ -2616,6 +2601,10 @@ static void intel_dp_info(struct seq_file *m, drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports, &intel_dp->aux); + if (intel_connector->hdcp.shim) { + seq_puts(m, "\tHDCP version: "); + intel_hdcp_info(m, intel_connector); + } } static void intel_dp_mst_info(struct seq_file *m, @@ -2639,6 +2628,10 @@ static void intel_hdmi_info(struct seq_file *m, struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio)); + if (intel_connector->hdcp.shim) { + seq_puts(m, "\tHDCP version: "); + intel_hdcp_info(m, intel_connector); + } } static void intel_lvds_info(struct seq_file *m, @@ -2966,14 +2959,28 @@ static int i915_shared_dplls_info(struct seq_file *m, void *unused) static int i915_wa_registers(struct seq_file *m, void *unused) { struct drm_i915_private *i915 = node_to_i915(m->private); - const struct i915_wa_list *wal = &i915->engine[RCS0]->ctx_wa_list; - struct i915_wa *wa; - unsigned int i; + struct intel_engine_cs *engine; + enum intel_engine_id id; - seq_printf(m, "Workarounds applied: %u\n", wal->count); - for (i = 0, wa = wal->list; i < wal->count; i++, wa++) - seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n", - i915_mmio_reg_offset(wa->reg), wa->val, wa->mask); + for_each_engine(engine, i915, id) { + const struct i915_wa_list *wal = &engine->ctx_wa_list; + const struct i915_wa *wa; + unsigned int count; + + count = wal->count; + if (!count) + continue; + + seq_printf(m, "%s: Workarounds applied: %u\n", + engine->name, count); + + for (wa = wal->list; count--; wa++) + seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n", + i915_mmio_reg_offset(wa->reg), + wa->val, wa->mask); + + seq_printf(m, "\n"); + } return 0; } @@ -3620,7 +3627,8 @@ static const struct file_operations i915_cur_wm_latency_fops = { static int i915_wedged_get(void *data, u64 *val) { - int ret = i915_terminally_wedged(data); + struct drm_i915_private *i915 = data; + int ret = intel_gt_terminally_wedged(&i915->gt); switch (ret) { case -EIO: @@ -3640,11 +3648,11 @@ i915_wedged_set(void *data, u64 val) struct drm_i915_private *i915 = data; /* Flush any previous reset before applying for a new one */ - wait_event(i915->gpu_error.reset_queue, - !test_bit(I915_RESET_BACKOFF, &i915->gpu_error.flags)); + wait_event(i915->gt.reset.queue, + !test_bit(I915_RESET_BACKOFF, &i915->gt.reset.flags)); - i915_handle_error(i915, val, I915_ERROR_CAPTURE, - "Manually set wedged engine mask = %llx", val); + intel_gt_handle_error(&i915->gt, val, I915_ERROR_CAPTURE, + "Manually set wedged engine mask = %llx", val); return 0; } @@ -3687,8 +3695,9 @@ i915_drop_caches_set(void *data, u64 val) val, val & DROP_ALL); if (val & DROP_RESET_ACTIVE && - wait_for(intel_engines_are_idle(i915), I915_IDLE_ENGINES_TIMEOUT)) - i915_gem_set_wedged(i915); + wait_for(intel_engines_are_idle(&i915->gt), + I915_IDLE_ENGINES_TIMEOUT)) + intel_gt_set_wedged(&i915->gt); /* No need to check and wait for gpu resets, only libdrm auto-restarts * on ioctls on -EAGAIN. */ @@ -3723,8 +3732,8 @@ i915_drop_caches_set(void *data, u64 val) mutex_unlock(&i915->drm.struct_mutex); } - if (val & DROP_RESET_ACTIVE && i915_terminally_wedged(i915)) - i915_handle_error(i915, ALL_ENGINES, 0, NULL); + if (val & DROP_RESET_ACTIVE && intel_gt_terminally_wedged(&i915->gt)) + intel_gt_handle_error(&i915->gt, ALL_ENGINES, 0, NULL); fs_reclaim_acquire(GFP_KERNEL); if (val & DROP_BOUND) @@ -4087,9 +4096,9 @@ static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data) /* Synchronize with everything first in case there's been an HPD * storm, but we haven't finished handling it in the kernel yet */ - synchronize_irq(dev_priv->drm.irq); + intel_synchronize_irq(dev_priv); flush_work(&dev_priv->hotplug.dig_port_work); - flush_work(&dev_priv->hotplug.hotplug_work); + flush_delayed_work(&dev_priv->hotplug.hotplug_work); seq_printf(m, "Threshold: %d\n", hotplug->hpd_storm_threshold); seq_printf(m, "Detected: %s\n", @@ -4379,7 +4388,6 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_huc_load_status", i915_huc_load_status_info, 0}, {"i915_frequency_info", i915_frequency_info, 0}, {"i915_hangcheck_info", i915_hangcheck_info, 0}, - {"i915_reset_info", i915_reset_info, 0}, {"i915_drpc_info", i915_drpc_info, 0}, {"i915_emon_status", i915_emon_status, 0}, {"i915_ring_freq_table", i915_ring_freq_table, 0}, @@ -4547,7 +4555,6 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data) { struct drm_connector *connector = m->private; struct intel_connector *intel_connector = to_intel_connector(connector); - bool hdcp_cap, hdcp2_cap; if (connector->status != connector_status_connected) return -ENODEV; @@ -4558,17 +4565,7 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data) seq_printf(m, "%s:%d HDCP version: ", connector->name, connector->base.id); - hdcp_cap = intel_hdcp_capable(intel_connector); - hdcp2_cap = intel_hdcp2_capable(intel_connector); - - if (hdcp_cap) - seq_puts(m, "HDCP1.4 "); - if (hdcp2_cap) - seq_puts(m, "HDCP2.2 "); - - if (!hdcp_cap && !hdcp2_cap) - seq_puts(m, "None"); - seq_puts(m, "\n"); + intel_hdcp_info(m, intel_connector); return 0; } diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index f62e3397d936..7d0813150146 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -61,9 +61,11 @@ #include "gem/i915_gem_context.h" #include "gem/i915_gem_ioctls.h" +#include "gt/intel_gt.h" #include "gt/intel_gt_pm.h" #include "gt/intel_reset.h" #include "gt/intel_workarounds.h" +#include "gt/uc/intel_uc.h" #include "i915_debugfs.h" #include "i915_drv.h" @@ -75,19 +77,18 @@ #include "intel_csr.h" #include "intel_drv.h" #include "intel_pm.h" -#include "intel_uc.h" static struct drm_driver driver; #if IS_ENABLED(CONFIG_DRM_I915_DEBUG) -static unsigned int i915_load_fail_count; +static unsigned int i915_probe_fail_count; -bool __i915_inject_load_failure(const char *func, int line) +bool __i915_inject_probe_failure(const char *func, int line) { - if (i915_load_fail_count >= i915_modparams.inject_load_failure) + if (i915_probe_fail_count >= i915_modparams.inject_load_failure) return false; - if (++i915_load_fail_count == i915_modparams.inject_load_failure) { + if (++i915_probe_fail_count == i915_modparams.inject_load_failure) { DRM_INFO("Injecting failure at checkpoint %u [%s:%d]\n", i915_modparams.inject_load_failure, func, line); i915_modparams.inject_load_failure = 0; @@ -99,7 +100,7 @@ bool __i915_inject_load_failure(const char *func, int line) bool i915_error_injected(void) { - return i915_load_fail_count && !i915_modparams.inject_load_failure; + return i915_probe_fail_count && !i915_modparams.inject_load_failure; } #endif @@ -219,9 +220,14 @@ intel_pch_type(const struct drm_i915_private *dev_priv, unsigned short id) WARN_ON(!IS_ICELAKE(dev_priv)); return PCH_ICP; case INTEL_PCH_MCC_DEVICE_ID_TYPE: + case INTEL_PCH_MCC2_DEVICE_ID_TYPE: DRM_DEBUG_KMS("Found Mule Creek Canyon PCH\n"); WARN_ON(!IS_ELKHARTLAKE(dev_priv)); return PCH_MCC; + case INTEL_PCH_TGP_DEVICE_ID_TYPE: + DRM_DEBUG_KMS("Found Tiger Lake LP PCH\n"); + WARN_ON(!IS_TIGERLAKE(dev_priv)); + return PCH_TGP; default: return PCH_NONE; } @@ -249,7 +255,9 @@ intel_virt_detect_pch(const struct drm_i915_private *dev_priv) * make an educated guess as to which PCH is really there. */ - if (IS_ELKHARTLAKE(dev_priv)) + if (IS_TIGERLAKE(dev_priv)) + id = INTEL_PCH_TGP_DEVICE_ID_TYPE; + else if (IS_ELKHARTLAKE(dev_priv)) id = INTEL_PCH_MCC_DEVICE_ID_TYPE; else if (IS_ICELAKE(dev_priv)) id = INTEL_PCH_ICP_DEVICE_ID_TYPE; @@ -418,7 +426,7 @@ static int i915_getparam_ioctl(struct drm_device *dev, void *data, value = sseu->min_eu_in_pool; break; case I915_PARAM_HUC_STATUS: - value = intel_huc_check_status(&dev_priv->huc); + value = intel_huc_check_status(&dev_priv->gt.uc.huc); if (value < 0) return value; break; @@ -673,13 +681,13 @@ static const struct vga_switcheroo_client_ops i915_switcheroo_ops = { .can_switch = i915_switcheroo_can_switch, }; -static int i915_load_modeset_init(struct drm_device *dev) +static int i915_driver_modeset_probe(struct drm_device *dev) { struct drm_i915_private *dev_priv = to_i915(dev); struct pci_dev *pdev = dev_priv->drm.pdev; int ret; - if (i915_inject_load_failure()) + if (i915_inject_probe_failure()) return -ENODEV; if (HAS_DISPLAY(dev_priv)) { @@ -749,16 +757,16 @@ static int i915_load_modeset_init(struct drm_device *dev) cleanup_gem: i915_gem_suspend(dev_priv); - i915_gem_fini_hw(dev_priv); - i915_gem_fini(dev_priv); + i915_gem_driver_remove(dev_priv); + i915_gem_driver_release(dev_priv); cleanup_modeset: - intel_modeset_cleanup(dev); + intel_modeset_driver_remove(dev); cleanup_irq: - drm_irq_uninstall(dev); + intel_irq_uninstall(dev_priv); intel_gmbus_teardown(dev_priv); cleanup_csr: intel_csr_ucode_fini(dev_priv); - intel_power_domains_fini_hw(dev_priv); + intel_power_domains_driver_remove(dev_priv); vga_switcheroo_unregister_client(pdev); cleanup_vga_client: vga_client_register(pdev, NULL, NULL, NULL); @@ -840,15 +848,6 @@ out_err: return -ENOMEM; } -static void i915_engines_cleanup(struct drm_i915_private *i915) -{ - struct intel_engine_cs *engine; - enum intel_engine_id id; - - for_each_engine(engine, i915, id) - kfree(engine); -} - static void i915_workqueues_cleanup(struct drm_i915_private *dev_priv) { destroy_workqueue(dev_priv->hotplug.dp_wq); @@ -882,7 +881,7 @@ static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv) } /** - * i915_driver_init_early - setup state not requiring device access + * i915_driver_early_probe - setup state not requiring device access * @dev_priv: device private * * Initialize everything that is a "SW-only" state, that is state not @@ -891,16 +890,16 @@ static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv) * system memory allocation, setting up device specific attributes and * function hooks not requiring accessing the device. */ -static int i915_driver_init_early(struct drm_i915_private *dev_priv) +static int i915_driver_early_probe(struct drm_i915_private *dev_priv) { int ret = 0; - if (i915_inject_load_failure()) + if (i915_inject_probe_failure()) return -ENODEV; intel_device_info_subplatform_init(dev_priv); - intel_uncore_init_early(&dev_priv->uncore); + intel_uncore_init_early(&dev_priv->uncore, dev_priv); spin_lock_init(&dev_priv->irq_lock); spin_lock_init(&dev_priv->gpu_error.lock); @@ -920,7 +919,9 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv) ret = i915_workqueues_init(dev_priv); if (ret < 0) - goto err_engines; + return ret; + + intel_gt_init_early(&dev_priv->gt, dev_priv); ret = i915_gem_init_early(dev_priv); if (ret < 0) @@ -930,14 +931,13 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv) intel_detect_pch(dev_priv); intel_wopcm_init_early(&dev_priv->wopcm); - intel_uc_init_early(dev_priv); + intel_uc_init_early(&dev_priv->gt.uc); intel_pm_setup(dev_priv); intel_init_dpio(dev_priv); ret = intel_power_domains_init(dev_priv); if (ret < 0) goto err_uc; intel_irq_init(dev_priv); - intel_hangcheck_init(dev_priv); intel_init_display_hooks(dev_priv); intel_init_clock_gating_hooks(dev_priv); intel_init_audio_hooks(dev_priv); @@ -948,34 +948,32 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv) return 0; err_uc: - intel_uc_cleanup_early(dev_priv); + intel_uc_cleanup_early(&dev_priv->gt.uc); i915_gem_cleanup_early(dev_priv); err_workqueues: i915_workqueues_cleanup(dev_priv); -err_engines: - i915_engines_cleanup(dev_priv); return ret; } /** - * i915_driver_cleanup_early - cleanup the setup done in i915_driver_init_early() + * i915_driver_late_release - cleanup the setup done in + * i915_driver_early_probe() * @dev_priv: device private */ -static void i915_driver_cleanup_early(struct drm_i915_private *dev_priv) +static void i915_driver_late_release(struct drm_i915_private *dev_priv) { intel_irq_fini(dev_priv); intel_power_domains_cleanup(dev_priv); - intel_uc_cleanup_early(dev_priv); + intel_uc_cleanup_early(&dev_priv->gt.uc); i915_gem_cleanup_early(dev_priv); i915_workqueues_cleanup(dev_priv); - i915_engines_cleanup(dev_priv); pm_qos_remove_request(&dev_priv->sb_qos); mutex_destroy(&dev_priv->sb_lock); } /** - * i915_driver_init_mmio - setup device MMIO + * i915_driver_mmio_probe - setup device MMIO * @dev_priv: device private * * Setup minimal device state necessary for MMIO accesses later in the @@ -983,11 +981,11 @@ static void i915_driver_cleanup_early(struct drm_i915_private *dev_priv) * side effects or exposing the driver via kernel internal or user space * interfaces. */ -static int i915_driver_init_mmio(struct drm_i915_private *dev_priv) +static int i915_driver_mmio_probe(struct drm_i915_private *dev_priv) { int ret; - if (i915_inject_load_failure()) + if (i915_inject_probe_failure()) return -ENODEV; if (i915_get_bridge_dev(dev_priv)) @@ -1004,7 +1002,7 @@ static int i915_driver_init_mmio(struct drm_i915_private *dev_priv) intel_uncore_prune_mmio_domains(&dev_priv->uncore); - intel_uc_init_mmio(dev_priv); + intel_uc_init_mmio(&dev_priv->gt.uc); ret = intel_engines_init_mmio(dev_priv); if (ret) @@ -1024,11 +1022,12 @@ err_bridge: } /** - * i915_driver_cleanup_mmio - cleanup the setup done in i915_driver_init_mmio() + * i915_driver_mmio_release - cleanup the setup done in i915_driver_mmio_probe() * @dev_priv: device private */ -static void i915_driver_cleanup_mmio(struct drm_i915_private *dev_priv) +static void i915_driver_mmio_release(struct drm_i915_private *dev_priv) { + intel_engines_cleanup(dev_priv); intel_teardown_mchbar(dev_priv); intel_uncore_fini_mmio(&dev_priv->uncore); pci_dev_put(dev_priv->bridge_dev); @@ -1520,18 +1519,18 @@ static void edram_detect(struct drm_i915_private *dev_priv) } /** - * i915_driver_init_hw - setup state requiring device access + * i915_driver_hw_probe - setup state requiring device access * @dev_priv: device private * * Setup state that requires accessing the device, but doesn't require * exposing the driver via kernel internal or userspace interfaces. */ -static int i915_driver_init_hw(struct drm_i915_private *dev_priv) +static int i915_driver_hw_probe(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = dev_priv->drm.pdev; int ret; - if (i915_inject_load_failure()) + if (i915_inject_probe_failure()) return -ENODEV; intel_device_info_runtime_init(dev_priv); @@ -1590,6 +1589,8 @@ static int i915_driver_init_hw(struct drm_i915_private *dev_priv) if (ret) goto err_ggtt; + intel_gt_init_hw(dev_priv); + ret = i915_ggtt_enable_hw(dev_priv); if (ret) { DRM_ERROR("failed to enable GGTT\n"); @@ -1629,7 +1630,8 @@ static int i915_driver_init_hw(struct drm_i915_private *dev_priv) pm_qos_add_request(&dev_priv->pm_qos, PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE); - intel_uncore_sanitize(dev_priv); + /* BIOS often leaves RC6 enabled, but disable it for hw init */ + intel_sanitize_gt_powersave(dev_priv); intel_gt_init_workarounds(dev_priv); @@ -1677,17 +1679,17 @@ err_msi: pci_disable_msi(pdev); pm_qos_remove_request(&dev_priv->pm_qos); err_ggtt: - i915_ggtt_cleanup_hw(dev_priv); + i915_ggtt_driver_release(dev_priv); err_perf: i915_perf_fini(dev_priv); return ret; } /** - * i915_driver_cleanup_hw - cleanup the setup done in i915_driver_init_hw() + * i915_driver_hw_remove - cleanup the setup done in i915_driver_hw_probe() * @dev_priv: device private */ -static void i915_driver_cleanup_hw(struct drm_i915_private *dev_priv) +static void i915_driver_hw_remove(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = dev_priv->drm.pdev; @@ -1863,17 +1865,17 @@ static void i915_driver_destroy(struct drm_i915_private *i915) } /** - * i915_driver_load - setup chip and create an initial config + * i915_driver_probe - setup chip and create an initial config * @pdev: PCI device * @ent: matching PCI ID entry * - * The driver load routine has to do several things: + * The driver probe routine has to do several things: * - drive output discovery via intel_modeset_init() * - initialize the memory manager * - allocate initial config memory * - setup the DRM framebuffer with the allocated memory */ -int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) +int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { const struct intel_device_info *match_info = (struct intel_device_info *)ent->driver_data; @@ -1892,21 +1894,23 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto out_fini; - ret = i915_driver_init_early(dev_priv); + ret = i915_driver_early_probe(dev_priv); if (ret < 0) goto out_pci_disable; disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); - ret = i915_driver_init_mmio(dev_priv); + i915_detect_vgpu(dev_priv); + + ret = i915_driver_mmio_probe(dev_priv); if (ret < 0) goto out_runtime_pm_put; - ret = i915_driver_init_hw(dev_priv); + ret = i915_driver_hw_probe(dev_priv); if (ret < 0) goto out_cleanup_mmio; - ret = i915_load_modeset_init(&dev_priv->drm); + ret = i915_driver_modeset_probe(&dev_priv->drm); if (ret < 0) goto out_cleanup_hw; @@ -1919,22 +1923,25 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; out_cleanup_hw: - i915_driver_cleanup_hw(dev_priv); - i915_ggtt_cleanup_hw(dev_priv); + i915_driver_hw_remove(dev_priv); + i915_ggtt_driver_release(dev_priv); + + /* Paranoia: make sure we have disabled everything before we exit. */ + intel_sanitize_gt_powersave(dev_priv); out_cleanup_mmio: - i915_driver_cleanup_mmio(dev_priv); + i915_driver_mmio_release(dev_priv); out_runtime_pm_put: enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); - i915_driver_cleanup_early(dev_priv); + i915_driver_late_release(dev_priv); out_pci_disable: pci_disable_device(pdev); out_fini: - i915_load_error(dev_priv, "Device initialization failed (%d)\n", ret); + i915_probe_error(dev_priv, "Device initialization failed (%d)\n", ret); i915_driver_destroy(dev_priv); return ret; } -void i915_driver_unload(struct drm_device *dev) +void i915_driver_remove(struct drm_device *dev) { struct drm_i915_private *dev_priv = to_i915(dev); struct pci_dev *pdev = dev_priv->drm.pdev; @@ -1948,7 +1955,7 @@ void i915_driver_unload(struct drm_device *dev) * all in-flight requests so that we can quickly unbind the active * resources. */ - i915_gem_set_wedged(dev_priv); + intel_gt_set_wedged(&dev_priv->gt); /* Flush any external code that still may be under the RCU lock */ synchronize_rcu(); @@ -1957,11 +1964,11 @@ void i915_driver_unload(struct drm_device *dev) drm_atomic_helper_shutdown(dev); - intel_gvt_cleanup(dev_priv); + intel_gvt_driver_remove(dev_priv); - intel_modeset_cleanup(dev); + intel_modeset_driver_remove(dev); - intel_bios_cleanup(dev_priv); + intel_bios_driver_remove(dev_priv); vga_switcheroo_unregister_client(pdev); vga_client_register(pdev, NULL, NULL, NULL); @@ -1969,14 +1976,14 @@ void i915_driver_unload(struct drm_device *dev) intel_csr_ucode_fini(dev_priv); /* Free error state after interrupts are fully disabled. */ - cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work); + cancel_delayed_work_sync(&dev_priv->gt.hangcheck.work); i915_reset_error_state(dev_priv); - i915_gem_fini_hw(dev_priv); + i915_gem_driver_remove(dev_priv); - intel_power_domains_fini_hw(dev_priv); + intel_power_domains_driver_remove(dev_priv); - i915_driver_cleanup_hw(dev_priv); + i915_driver_hw_remove(dev_priv); enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); } @@ -1988,15 +1995,19 @@ static void i915_driver_release(struct drm_device *dev) disable_rpm_wakeref_asserts(rpm); - i915_gem_fini(dev_priv); + i915_gem_driver_release(dev_priv); + + i915_ggtt_driver_release(dev_priv); - i915_ggtt_cleanup_hw(dev_priv); - i915_driver_cleanup_mmio(dev_priv); + /* Paranoia: make sure we have disabled everything before we exit. */ + intel_sanitize_gt_powersave(dev_priv); + + i915_driver_mmio_release(dev_priv); enable_rpm_wakeref_asserts(rpm); - intel_runtime_pm_cleanup(rpm); + intel_runtime_pm_driver_release(rpm); - i915_driver_cleanup_early(dev_priv); + i915_driver_late_release(dev_priv); i915_driver_destroy(dev_priv); } @@ -2189,7 +2200,7 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation) out: enable_rpm_wakeref_asserts(rpm); if (!dev_priv->uncore.user_forcewake.count) - intel_runtime_pm_cleanup(rpm); + intel_runtime_pm_driver_release(rpm); return ret; } @@ -2348,7 +2359,7 @@ static int i915_drm_resume_early(struct drm_device *dev) intel_uncore_resume_early(&dev_priv->uncore); - i915_check_and_clear_faults(dev_priv); + intel_gt_check_and_clear_faults(&dev_priv->gt); if (INTEL_GEN(dev_priv) >= 11 || IS_GEN9_LP(dev_priv)) { gen9_sanitize_dc_state(dev_priv); @@ -2357,11 +2368,11 @@ static int i915_drm_resume_early(struct drm_device *dev) hsw_disable_pc8(dev_priv); } - intel_uncore_sanitize(dev_priv); + intel_sanitize_gt_powersave(dev_priv); intel_power_domains_resume(dev_priv); - intel_gt_sanitize(dev_priv, true); + intel_gt_sanitize(&dev_priv->gt, true); enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); @@ -2384,8 +2395,7 @@ static int i915_resume_switcheroo(struct drm_device *dev) static int i915_pm_prepare(struct device *kdev) { - struct pci_dev *pdev = to_pci_dev(kdev); - struct drm_device *dev = pci_get_drvdata(pdev); + struct drm_device *dev = dev_get_drvdata(kdev); if (!dev) { dev_err(kdev, "DRM not initialized, aborting suspend.\n"); @@ -2400,8 +2410,7 @@ static int i915_pm_prepare(struct device *kdev) static int i915_pm_suspend(struct device *kdev) { - struct pci_dev *pdev = to_pci_dev(kdev); - struct drm_device *dev = pci_get_drvdata(pdev); + struct drm_device *dev = dev_get_drvdata(kdev); if (!dev) { dev_err(kdev, "DRM not initialized, aborting suspend.\n"); @@ -2895,8 +2904,7 @@ static int vlv_resume_prepare(struct drm_i915_private *dev_priv, static int intel_runtime_suspend(struct device *kdev) { - struct pci_dev *pdev = to_pci_dev(kdev); - struct drm_device *dev = pci_get_drvdata(pdev); + struct drm_device *dev = dev_get_drvdata(kdev); struct drm_i915_private *dev_priv = to_i915(dev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; int ret; @@ -2917,7 +2925,7 @@ static int intel_runtime_suspend(struct device *kdev) */ i915_gem_runtime_suspend(dev_priv); - intel_uc_runtime_suspend(dev_priv); + intel_uc_runtime_suspend(&dev_priv->gt.uc); intel_runtime_pm_disable_interrupts(dev_priv); @@ -2942,9 +2950,9 @@ static int intel_runtime_suspend(struct device *kdev) intel_runtime_pm_enable_interrupts(dev_priv); - intel_uc_resume(dev_priv); + intel_uc_resume(&dev_priv->gt.uc); - i915_gem_init_swizzling(dev_priv); + intel_gt_init_swizzling(&dev_priv->gt); i915_gem_restore_fences(dev_priv); enable_rpm_wakeref_asserts(rpm); @@ -2953,7 +2961,7 @@ static int intel_runtime_suspend(struct device *kdev) } enable_rpm_wakeref_asserts(rpm); - intel_runtime_pm_cleanup(rpm); + intel_runtime_pm_driver_release(rpm); if (intel_uncore_arm_unclaimed_mmio_detection(&dev_priv->uncore)) DRM_ERROR("Unclaimed access detected prior to suspending\n"); @@ -2994,8 +3002,7 @@ static int intel_runtime_suspend(struct device *kdev) static int intel_runtime_resume(struct device *kdev) { - struct pci_dev *pdev = to_pci_dev(kdev); - struct drm_device *dev = pci_get_drvdata(pdev); + struct drm_device *dev = dev_get_drvdata(kdev); struct drm_i915_private *dev_priv = to_i915(dev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; int ret = 0; @@ -3040,13 +3047,13 @@ static int intel_runtime_resume(struct device *kdev) intel_runtime_pm_enable_interrupts(dev_priv); - intel_uc_resume(dev_priv); + intel_uc_resume(&dev_priv->gt.uc); /* * No point of rolling back things in case of an error, as the best * we can do is to hope that things will still work (and disable RPM). */ - i915_gem_init_swizzling(dev_priv); + intel_gt_init_swizzling(&dev_priv->gt); i915_gem_restore_fences(dev_priv); /* @@ -3216,6 +3223,9 @@ static struct drm_driver driver = { .gem_prime_export = i915_gem_prime_export, .gem_prime_import = i915_gem_prime_import, + .get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos, + .get_scanout_position = i915_get_crtc_scanoutpos, + .dumb_create = i915_gem_dumb_create, .dumb_map_offset = i915_gem_mmap_gtt, .ioctls = i915_ioctls, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index fe7a6ec2c199..991eaeac9994 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -72,11 +72,12 @@ #include "gt/intel_lrc.h" #include "gt/intel_engine.h" +#include "gt/intel_gt_types.h" #include "gt/intel_workarounds.h" +#include "gt/uc/intel_uc.h" #include "intel_device_info.h" #include "intel_runtime_pm.h" -#include "intel_uc.h" #include "intel_uncore.h" #include "intel_wakeref.h" #include "intel_wopcm.h" @@ -88,7 +89,7 @@ #include "i915_gpu_error.h" #include "i915_request.h" #include "i915_scheduler.h" -#include "i915_timeline.h" +#include "gt/intel_timeline.h" #include "i915_vma.h" #include "intel_gvt.h" @@ -98,8 +99,8 @@ #define DRIVER_NAME "i915" #define DRIVER_DESC "Intel Graphics" -#define DRIVER_DATE "20190619" -#define DRIVER_TIMESTAMP 1560947544 +#define DRIVER_DATE "20190730" +#define DRIVER_TIMESTAMP 1564512624 /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and * WARN_ON()) for hw state sanity checks to check for unexpected conditions @@ -121,20 +122,20 @@ #if IS_ENABLED(CONFIG_DRM_I915_DEBUG) -bool __i915_inject_load_failure(const char *func, int line); -#define i915_inject_load_failure() \ - __i915_inject_load_failure(__func__, __LINE__) +bool __i915_inject_probe_failure(const char *func, int line); +#define i915_inject_probe_failure() \ + __i915_inject_probe_failure(__func__, __LINE__) bool i915_error_injected(void); #else -#define i915_inject_load_failure() false +#define i915_inject_probe_failure() false #define i915_error_injected() false #endif -#define i915_load_error(i915, fmt, ...) \ +#define i915_probe_error(i915, fmt, ...) \ __i915_printk(i915, i915_error_injected() ? KERN_DEBUG : KERN_ERR, \ fmt, ##__VA_ARGS__) @@ -162,7 +163,7 @@ enum hpd_pin { #define HPD_STORM_DEFAULT_THRESHOLD 50 struct i915_hotplug { - struct work_struct hotplug_work; + struct delayed_work hotplug_work; struct { unsigned long last_jiffies; @@ -174,6 +175,7 @@ struct i915_hotplug { } state; } stats[HPD_NUM_PINS]; u32 event_bits; + u32 retry_bits; struct delayed_work reenable_work; u32 long_port_mask; @@ -286,14 +288,14 @@ struct drm_i915_display_funcs { enum pipe pipe); int (*get_fifo_size)(struct drm_i915_private *dev_priv, enum i9xx_plane_id i9xx_plane); - int (*compute_pipe_wm)(struct intel_crtc_state *cstate); - int (*compute_intermediate_wm)(struct intel_crtc_state *newstate); + int (*compute_pipe_wm)(struct intel_crtc_state *crtc_state); + int (*compute_intermediate_wm)(struct intel_crtc_state *crtc_state); void (*initial_watermarks)(struct intel_atomic_state *state, - struct intel_crtc_state *cstate); + struct intel_crtc_state *crtc_state); void (*atomic_update_watermarks)(struct intel_atomic_state *state, - struct intel_crtc_state *cstate); + struct intel_crtc_state *crtc_state); void (*optimize_watermarks)(struct intel_atomic_state *state, - struct intel_crtc_state *cstate); + struct intel_crtc_state *crtc_state); int (*compute_global_watermarks)(struct intel_atomic_state *state); void (*update_wm)(struct intel_crtc *crtc); int (*modeset_calc_cdclk)(struct intel_atomic_state *state); @@ -306,10 +308,10 @@ struct drm_i915_display_funcs { int (*crtc_compute_clock)(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state); void (*crtc_enable)(struct intel_crtc_state *pipe_config, - struct drm_atomic_state *old_state); + struct intel_atomic_state *old_state); void (*crtc_disable)(struct intel_crtc_state *old_crtc_state, - struct drm_atomic_state *old_state); - void (*update_crtcs)(struct drm_atomic_state *state); + struct intel_atomic_state *old_state); + void (*update_crtcs)(struct intel_atomic_state *state); void (*audio_codec_enable)(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); @@ -535,6 +537,7 @@ enum intel_pch { PCH_CNP, /* Cannon/Comet Lake PCH */ PCH_ICP, /* Ice Lake PCH */ PCH_MCC, /* Mule Creek Canyon PCH */ + PCH_TGP, /* Tiger Lake PCH */ }; #define QUIRK_LVDS_SSC_DISABLE (1<<1) @@ -781,9 +784,6 @@ struct i915_gem_mm { */ struct vfsmount *gemfs; - /** PPGTT used for aliasing the PPGTT with the GTT */ - struct i915_ppgtt *aliasing_ppgtt; - struct notifier_block oom_notifier; struct notifier_block vmap_notifier; struct shrinker shrinker; @@ -1347,9 +1347,6 @@ struct drm_i915_private { struct intel_wopcm wopcm; - struct intel_huc huc; - struct intel_guc guc; - struct intel_csr csr; struct intel_gmbus gmbus[GMBUS_NUM_PINS]; @@ -1377,8 +1374,6 @@ struct drm_i915_private { struct intel_engine_cs *engine[I915_NUM_ENGINES]; /* Context used internally to idle the GPU and setup initial state */ struct i915_gem_context *kernel_context; - /* Context only to be used for injecting preemption commands */ - struct i915_gem_context *preempt_context; struct intel_engine_cs *engine_class[MAX_ENGINE_CLASS + 1] [MAX_ENGINE_INSTANCE + 1]; @@ -1402,10 +1397,7 @@ struct drm_i915_private { u32 de_irq_mask[I915_MAX_PIPES]; }; u32 gt_irq_mask; - u32 pm_imr; - u32 pm_ier; u32 pm_rps_events; - u32 pm_guc_events; u32 pipestat_irq_mask[I915_MAX_PIPES]; struct i915_hotplug hotplug; @@ -1488,8 +1480,6 @@ struct drm_i915_private { DECLARE_HASHTABLE(mm_structs, 7); struct mutex mm_lock; - struct intel_ppat ppat; - /* Kernel Modesetting */ struct intel_crtc *plane_to_crtc_mapping[I915_MAX_PIPES]; @@ -1645,7 +1635,7 @@ struct drm_i915_private { /* * Should be held around atomic WM register writing; also * protects * intel_crtc->wm.active and - * cstate->wm.need_postvbl_update. + * crtc_state->wm.need_postvbl_update. */ struct mutex wm_mutex; @@ -1825,38 +1815,7 @@ struct drm_i915_private { } perf; /* Abstract the submission mechanism (legacy ringbuffer or execlists) away */ - struct { - struct i915_gt_timelines { - struct mutex mutex; /* protects list, tainted by GPU */ - struct list_head active_list; - - /* Pack multiple timelines' seqnos into the same page */ - spinlock_t hwsp_lock; - struct list_head hwsp_free_list; - } timelines; - - struct list_head active_rings; - - struct intel_wakeref wakeref; - - struct list_head closed_vma; - spinlock_t closed_lock; /* guards the list of closed_vma */ - - /** - * Is the GPU currently considered idle, or busy executing - * userspace requests? Whilst idle, we allow runtime power - * management to power down the hardware and display clocks. - * In order to reduce the effect on performance, there - * is a slight delay before we do so. - */ - intel_wakeref_t awake; - - struct blocking_notifier_head pm_notifications; - - ktime_t last_init_time; - - struct i915_vma *scratch; - } gt; + struct intel_gt gt; struct { struct notifier_block pm_notifier; @@ -1941,21 +1900,6 @@ static inline struct drm_i915_private *wopcm_to_i915(struct intel_wopcm *wopcm) return container_of(wopcm, struct drm_i915_private, wopcm); } -static inline struct drm_i915_private *guc_to_i915(struct intel_guc *guc) -{ - return container_of(guc, struct drm_i915_private, guc); -} - -static inline struct drm_i915_private *huc_to_i915(struct intel_huc *huc) -{ - return container_of(huc, struct drm_i915_private, huc); -} - -static inline struct drm_i915_private *uncore_to_i915(struct intel_uncore *uncore) -{ - return container_of(uncore, struct drm_i915_private, uncore); -} - /* Simple iterator over all initialised engines */ #define for_each_engine(engine__, dev_priv__, id__) \ for ((id__) = 0; \ @@ -2127,6 +2071,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define IS_CANNONLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_CANNONLAKE) #define IS_ICELAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_ICELAKE) #define IS_ELKHARTLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_ELKHARTLAKE) +#define IS_TIGERLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_TIGERLAKE) #define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \ (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00) #define IS_BDW_ULT(dev_priv) \ @@ -2323,23 +2268,12 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define HAS_IPC(dev_priv) (INTEL_INFO(dev_priv)->display.has_ipc) -/* - * For now, anything with a GuC requires uCode loading, and then supports - * command submission once loaded. But these are logically independent - * properties, so we have separate macros to test them. - */ -#define HAS_GUC(dev_priv) (INTEL_INFO(dev_priv)->has_guc) -#define HAS_GUC_UCODE(dev_priv) (HAS_GUC(dev_priv)) -#define HAS_GUC_SCHED(dev_priv) (HAS_GUC(dev_priv)) +#define HAS_GT_UC(dev_priv) (INTEL_INFO(dev_priv)->has_gt_uc) -/* For now, anything with a GuC has also HuC */ -#define HAS_HUC(dev_priv) (HAS_GUC(dev_priv)) -#define HAS_HUC_UCODE(dev_priv) (HAS_GUC(dev_priv)) - -/* Having a GuC is not the same as using a GuC */ -#define USES_GUC(dev_priv) intel_uc_is_using_guc(dev_priv) -#define USES_GUC_SUBMISSION(dev_priv) intel_uc_is_using_guc_submission(dev_priv) -#define USES_HUC(dev_priv) intel_uc_is_using_huc(dev_priv) +/* Having GuC/HuC is not the same as using GuC/HuC */ +#define USES_GUC(dev_priv) intel_uc_is_using_guc(&(dev_priv)->gt.uc) +#define USES_GUC_SUBMISSION(dev_priv) intel_uc_is_using_guc_submission(&(dev_priv)->gt.uc) +#define USES_HUC(dev_priv) intel_uc_is_using_huc(&(dev_priv)->gt.uc) #define HAS_POOLED_EU(dev_priv) (INTEL_INFO(dev_priv)->has_pooled_eu) @@ -2359,6 +2293,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define INTEL_PCH_CMP_DEVICE_ID_TYPE 0x0280 #define INTEL_PCH_ICP_DEVICE_ID_TYPE 0x3480 #define INTEL_PCH_MCC_DEVICE_ID_TYPE 0x4B00 +#define INTEL_PCH_MCC2_DEVICE_ID_TYPE 0x3880 +#define INTEL_PCH_TGP_DEVICE_ID_TYPE 0xA080 #define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100 #define INTEL_PCH_P3X_DEVICE_ID_TYPE 0x7000 #define INTEL_PCH_QEMU_DEVICE_ID_TYPE 0x2900 /* qemu q35 has 2918 */ @@ -2366,6 +2302,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define INTEL_PCH_TYPE(dev_priv) ((dev_priv)->pch_type) #define INTEL_PCH_ID(dev_priv) ((dev_priv)->pch_id) #define HAS_PCH_MCC(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_MCC) +#define HAS_PCH_TGP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_TGP) #define HAS_PCH_ICP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_ICP) #define HAS_PCH_CNP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_CNP) #define HAS_PCH_SPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_SPT) @@ -2426,40 +2363,18 @@ __i915_printk(struct drm_i915_private *dev_priv, const char *level, __i915_printk(dev_priv, KERN_ERR, fmt, ##__VA_ARGS__) #ifdef CONFIG_COMPAT -extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg); +long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); #else #define i915_compat_ioctl NULL #endif extern const struct dev_pm_ops i915_pm_ops; -extern int i915_driver_load(struct pci_dev *pdev, - const struct pci_device_id *ent); -extern void i915_driver_unload(struct drm_device *dev); +int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent); +void i915_driver_remove(struct drm_device *dev); -extern void intel_engine_init_hangcheck(struct intel_engine_cs *engine); -extern void intel_hangcheck_init(struct drm_i915_private *dev_priv); +void intel_engine_init_hangcheck(struct intel_engine_cs *engine); int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool on); -u32 intel_calculate_mcr_s_ss_select(struct drm_i915_private *dev_priv); - -static inline void i915_queue_hangcheck(struct drm_i915_private *dev_priv) -{ - unsigned long delay; - - if (unlikely(!i915_modparams.enable_hangcheck)) - return; - - /* Don't continually defer the hangcheck so that it is always run at - * least once after work has been scheduled on any ring. Otherwise, - * we will ignore a hung ring if a second ring is kept busy. - */ - - delay = round_jiffies_up_relative(DRM_I915_HANGCHECK_JIFFIES); - queue_delayed_work(system_long_wq, - &dev_priv->gpu_error.hangcheck_work, delay); -} - static inline bool intel_gvt_active(struct drm_i915_private *dev_priv) { return dev_priv->gvt; @@ -2481,18 +2396,17 @@ int i915_gem_freeze_late(struct drm_i915_private *dev_priv); static inline void i915_gem_drain_freed_objects(struct drm_i915_private *i915) { - if (!atomic_read(&i915->mm.free_count)) - return; - - /* A single pass should suffice to release all the freed objects (along + /* + * A single pass should suffice to release all the freed objects (along * most call paths) , but be a little more paranoid in that freeing * the objects does take a little amount of time, during which the rcu * callbacks could have added new objects into the freed list, and * armed the work again. */ - do { + while (atomic_read(&i915->mm.free_count)) { + flush_work(&i915->mm.free_work); rcu_barrier(); - } while (flush_work(&i915->mm.free_work)); + } } static inline void i915_gem_drain_workqueue(struct drm_i915_private *i915) @@ -2510,6 +2424,7 @@ static inline void i915_gem_drain_workqueue(struct drm_i915_private *i915) */ int pass = 3; do { + flush_workqueue(i915->wq); rcu_barrier(); i915_gem_drain_freed_objects(i915); } while (--pass); @@ -2523,7 +2438,9 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj, u64 alignment, u64 flags); -int i915_gem_object_unbind(struct drm_i915_gem_object *obj); +int i915_gem_object_unbind(struct drm_i915_gem_object *obj, + unsigned long flags); +#define I915_GEM_OBJECT_UNBIND_ACTIVE BIT(0) void i915_gem_runtime_suspend(struct drm_i915_private *dev_priv); @@ -2546,36 +2463,22 @@ void i915_gem_track_fb(struct drm_i915_gem_object *old, int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno); -static inline bool __i915_wedged(struct i915_gpu_error *error) -{ - return unlikely(test_bit(I915_WEDGED, &error->flags)); -} - -static inline bool i915_reset_failed(struct drm_i915_private *i915) -{ - return __i915_wedged(&i915->gpu_error); -} - static inline u32 i915_reset_count(struct i915_gpu_error *error) { - return READ_ONCE(error->reset_count); + return atomic_read(&error->reset_count); } static inline u32 i915_reset_engine_count(struct i915_gpu_error *error, struct intel_engine_cs *engine) { - return READ_ONCE(error->reset_engine_count[engine->id]); + return atomic_read(&error->reset_engine_count[engine->uabi_class]); } -void i915_gem_set_wedged(struct drm_i915_private *dev_priv); -bool i915_gem_unset_wedged(struct drm_i915_private *dev_priv); - void i915_gem_init_mmio(struct drm_i915_private *i915); int __must_check i915_gem_init(struct drm_i915_private *dev_priv); int __must_check i915_gem_init_hw(struct drm_i915_private *dev_priv); -void i915_gem_init_swizzling(struct drm_i915_private *dev_priv); -void i915_gem_fini_hw(struct drm_i915_private *dev_priv); -void i915_gem_fini(struct drm_i915_private *dev_priv); +void i915_gem_driver_remove(struct drm_i915_private *dev_priv); +void i915_gem_driver_release(struct drm_i915_private *dev_priv); int i915_gem_wait_for_idle(struct drm_i915_private *dev_priv, unsigned int flags, long timeout); void i915_gem_suspend(struct drm_i915_private *dev_priv); @@ -2636,16 +2539,6 @@ int __must_check i915_gem_evict_for_node(struct i915_address_space *vm, unsigned int flags); int i915_gem_evict_vm(struct i915_address_space *vm); -void i915_gem_flush_ggtt_writes(struct drm_i915_private *dev_priv); - -/* belongs in i915_gem_gtt.h */ -static inline void i915_gem_chipset_flush(struct drm_i915_private *dev_priv) -{ - wmb(); - if (INTEL_GEN(dev_priv) < 6) - intel_gtt_chipset_flush(); -} - /* i915_gem_stolen.c */ int i915_gem_stolen_insert_node(struct drm_i915_private *dev_priv, struct drm_mm_node *node, u64 size, @@ -2717,14 +2610,14 @@ int intel_engine_cmd_parser(struct intel_engine_cs *engine, bool is_master); /* i915_perf.c */ -extern void i915_perf_init(struct drm_i915_private *dev_priv); -extern void i915_perf_fini(struct drm_i915_private *dev_priv); -extern void i915_perf_register(struct drm_i915_private *dev_priv); -extern void i915_perf_unregister(struct drm_i915_private *dev_priv); +void i915_perf_init(struct drm_i915_private *dev_priv); +void i915_perf_fini(struct drm_i915_private *dev_priv); +void i915_perf_register(struct drm_i915_private *dev_priv); +void i915_perf_unregister(struct drm_i915_private *dev_priv); /* i915_suspend.c */ -extern int i915_save_state(struct drm_i915_private *dev_priv); -extern int i915_restore_state(struct drm_i915_private *dev_priv); +int i915_save_state(struct drm_i915_private *dev_priv); +int i915_restore_state(struct drm_i915_private *dev_priv); /* i915_sysfs.c */ void i915_setup_sysfs(struct drm_i915_private *dev_priv); @@ -2738,23 +2631,22 @@ mkwrite_device_info(struct drm_i915_private *dev_priv) } /* modesetting */ -extern void intel_modeset_init_hw(struct drm_device *dev); -extern int intel_modeset_init(struct drm_device *dev); -extern void intel_modeset_cleanup(struct drm_device *dev); -extern int intel_modeset_vga_set_state(struct drm_i915_private *dev_priv, - bool state); -extern void intel_display_resume(struct drm_device *dev); -extern void i915_redisable_vga(struct drm_i915_private *dev_priv); -extern void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv); -extern void intel_init_pch_refclk(struct drm_i915_private *dev_priv); +void intel_modeset_init_hw(struct drm_device *dev); +int intel_modeset_init(struct drm_device *dev); +void intel_modeset_driver_remove(struct drm_device *dev); +int intel_modeset_vga_set_state(struct drm_i915_private *dev_priv, bool state); +void intel_display_resume(struct drm_device *dev); +void i915_redisable_vga(struct drm_i915_private *dev_priv); +void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv); +void intel_init_pch_refclk(struct drm_i915_private *dev_priv); int i915_reg_read_ioctl(struct drm_device *dev, void *data, struct drm_file *file); -extern struct intel_display_error_state * +struct intel_display_error_state * intel_display_capture_error_state(struct drm_i915_private *dev_priv); -extern void intel_display_print_error_state(struct drm_i915_error_state_buf *e, - struct intel_display_error_state *error); +void intel_display_print_error_state(struct drm_i915_error_state_buf *e, + struct intel_display_error_state *error); #define __I915_REG_OP(op__, dev_priv__, ...) \ intel_uncore_##op__(&(dev_priv__)->uncore, __VA_ARGS__) @@ -2830,11 +2722,6 @@ static inline int intel_hws_csb_write_index(struct drm_i915_private *i915) return I915_HWS_CSB_WRITE_INDEX; } -static inline u32 i915_scratch_offset(const struct drm_i915_private *i915) -{ - return i915_ggtt_offset(i915->gt.scratch); -} - static inline enum i915_map_type i915_coherent_map_type(struct drm_i915_private *i915) { diff --git a/drivers/gpu/drm/i915/i915_fixed.h b/drivers/gpu/drm/i915/i915_fixed.h index 6621595fe74c..a327094de2bd 100644 --- a/drivers/gpu/drm/i915/i915_fixed.h +++ b/drivers/gpu/drm/i915/i915_fixed.h @@ -6,6 +6,11 @@ #ifndef _I915_FIXED_H_ #define _I915_FIXED_H_ +#include <linux/bug.h> +#include <linux/kernel.h> +#include <linux/math64.h> +#include <linux/types.h> + typedef struct { u32 val; } uint_fixed_16_16_t; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 8a659d3d7435..65863e955f40 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -46,9 +46,11 @@ #include "gem/i915_gem_ioctls.h" #include "gem/i915_gem_pm.h" #include "gem/i915_gemfs.h" +#include "gt/intel_gt.h" #include "gt/intel_gt_pm.h" #include "gt/intel_mocs.h" #include "gt/intel_reset.h" +#include "gt/intel_renderstate.h" #include "gt/intel_workarounds.h" #include "i915_drv.h" @@ -100,7 +102,8 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data, return 0; } -int i915_gem_object_unbind(struct drm_i915_gem_object *obj) +int i915_gem_object_unbind(struct drm_i915_gem_object *obj, + unsigned long flags) { struct i915_vma *vma; LIST_HEAD(still_in_list); @@ -115,7 +118,10 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj) list_move_tail(&vma->obj_link, &still_in_list); spin_unlock(&obj->vma.lock); - ret = i915_vma_unbind(vma); + ret = -EBUSY; + if (flags & I915_GEM_OBJECT_UNBIND_ACTIVE || + !i915_vma_is_active(vma)) + ret = i915_vma_unbind(vma); spin_lock(&obj->vma.lock); } @@ -141,7 +147,7 @@ i915_gem_phys_pwrite(struct drm_i915_gem_object *obj, return -EFAULT; drm_clflush_virt_range(vaddr, args->size); - i915_gem_chipset_flush(to_i915(obj->base.dev)); + intel_gt_chipset_flush(&to_i915(obj->base.dev)->gt); intel_fb_obj_flush(obj, ORIGIN_CPU); return 0; @@ -232,46 +238,6 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data, &args->size, &args->handle); } -void i915_gem_flush_ggtt_writes(struct drm_i915_private *dev_priv) -{ - intel_wakeref_t wakeref; - - /* - * No actual flushing is required for the GTT write domain for reads - * from the GTT domain. Writes to it "immediately" go to main memory - * as far as we know, so there's no chipset flush. It also doesn't - * land in the GPU render cache. - * - * However, we do have to enforce the order so that all writes through - * the GTT land before any writes to the device, such as updates to - * the GATT itself. - * - * We also have to wait a bit for the writes to land from the GTT. - * An uncached read (i.e. mmio) seems to be ideal for the round-trip - * timing. This issue has only been observed when switching quickly - * between GTT writes and CPU reads from inside the kernel on recent hw, - * and it appears to only affect discrete GTT blocks (i.e. on LLC - * system agents we cannot reproduce this behaviour, until Cannonlake - * that was!). - */ - - wmb(); - - if (INTEL_INFO(dev_priv)->has_coherent_ggtt) - return; - - i915_gem_chipset_flush(dev_priv); - - with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) { - struct intel_uncore *uncore = &dev_priv->uncore; - - spin_lock_irq(&uncore->lock); - intel_uncore_posting_read_fw(uncore, - RING_HEAD(RENDER_RING_BASE)); - spin_unlock_irq(&uncore->lock); - } -} - static int shmem_pread(struct page *page, int offset, int len, char __user *user_data, bool needs_clflush) @@ -430,11 +396,9 @@ i915_gem_gtt_pread(struct drm_i915_gem_object *obj, unsigned page_length = PAGE_SIZE - page_offset; page_length = remain < page_length ? remain : page_length; if (node.allocated) { - wmb(); ggtt->vm.insert_page(&ggtt->vm, i915_gem_object_get_dma_address(obj, offset >> PAGE_SHIFT), node.start, I915_CACHE_NONE, 0); - wmb(); } else { page_base += offset & PAGE_MASK; } @@ -454,7 +418,6 @@ i915_gem_gtt_pread(struct drm_i915_gem_object *obj, out_unpin: mutex_lock(&i915->drm.struct_mutex); if (node.allocated) { - wmb(); ggtt->vm.clear_range(&ggtt->vm, node.start, node.size); remove_mappable_node(&node); } else { @@ -648,7 +611,8 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj, unsigned int page_length = PAGE_SIZE - page_offset; page_length = remain < page_length ? remain : page_length; if (node.allocated) { - wmb(); /* flush the write before we modify the GGTT */ + /* flush the write before we modify the GGTT */ + intel_gt_flush_ggtt_writes(ggtt->vm.gt); ggtt->vm.insert_page(&ggtt->vm, i915_gem_object_get_dma_address(obj, offset >> PAGE_SHIFT), node.start, I915_CACHE_NONE, 0); @@ -677,8 +641,8 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj, i915_gem_object_unlock_fence(obj, fence); out_unpin: mutex_lock(&i915->drm.struct_mutex); + intel_gt_flush_ggtt_writes(ggtt->vm.gt); if (node.allocated) { - wmb(); ggtt->vm.clear_range(&ggtt->vm, node.start, node.size); remove_mappable_node(&node); } else { @@ -929,13 +893,13 @@ void i915_gem_runtime_suspend(struct drm_i915_private *i915) } } -static int wait_for_engines(struct drm_i915_private *i915) +static int wait_for_engines(struct intel_gt *gt) { - if (wait_for(intel_engines_are_idle(i915), I915_IDLE_ENGINES_TIMEOUT)) { - dev_err(i915->drm.dev, + if (wait_for(intel_engines_are_idle(gt), I915_IDLE_ENGINES_TIMEOUT)) { + dev_err(gt->i915->drm.dev, "Failed to idle engines, declaring wedged!\n"); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(gt); return -EIO; } @@ -946,8 +910,8 @@ static long wait_for_timelines(struct drm_i915_private *i915, unsigned int flags, long timeout) { - struct i915_gt_timelines *gt = &i915->gt.timelines; - struct i915_timeline *tl; + struct intel_gt_timelines *gt = &i915->gt.timelines; + struct intel_timeline *tl; mutex_lock(>->mutex); list_for_each_entry(tl, >->active_list, link) { @@ -988,15 +952,15 @@ wait_for_timelines(struct drm_i915_private *i915, int i915_gem_wait_for_idle(struct drm_i915_private *i915, unsigned int flags, long timeout) { + /* If the device is asleep, we have no requests outstanding */ + if (!READ_ONCE(i915->gt.awake)) + return 0; + GEM_TRACE("flags=%x (%s), timeout=%ld%s, awake?=%s\n", flags, flags & I915_WAIT_LOCKED ? "locked" : "unlocked", timeout, timeout == MAX_SCHEDULE_TIMEOUT ? " (forever)" : "", yesno(i915->gt.awake)); - /* If the device is asleep, we have no requests outstanding */ - if (!READ_ONCE(i915->gt.awake)) - return 0; - timeout = wait_for_timelines(i915, flags, timeout); if (timeout < 0) return timeout; @@ -1006,7 +970,7 @@ int i915_gem_wait_for_idle(struct drm_i915_private *i915, lockdep_assert_held(&i915->drm.struct_mutex); - err = wait_for_engines(i915); + err = wait_for_engines(&i915->gt); if (err) return err; @@ -1184,8 +1148,8 @@ void i915_gem_sanitize(struct drm_i915_private *i915) * back to defaults, recovering from whatever wedged state we left it * in and so worth trying to use the device once more. */ - if (i915_terminally_wedged(i915)) - i915_gem_unset_wedged(i915); + if (intel_gt_is_wedged(&i915->gt)) + intel_gt_unset_wedged(&i915->gt); /* * If we inherit context state from the BIOS or earlier occupants @@ -1195,82 +1159,72 @@ void i915_gem_sanitize(struct drm_i915_private *i915) * it may impact the display and we are uncertain about the stability * of the reset, so this could be applied to even earlier gen. */ - intel_gt_sanitize(i915, false); + intel_gt_sanitize(&i915->gt, false); intel_uncore_forcewake_put(&i915->uncore, FORCEWAKE_ALL); intel_runtime_pm_put(&i915->runtime_pm, wakeref); } -void i915_gem_init_swizzling(struct drm_i915_private *dev_priv) +static void init_unused_ring(struct intel_gt *gt, u32 base) { - if (INTEL_GEN(dev_priv) < 5 || - dev_priv->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_NONE) - return; - - I915_WRITE(DISP_ARB_CTL, I915_READ(DISP_ARB_CTL) | - DISP_TILE_SURFACE_SWIZZLING); - - if (IS_GEN(dev_priv, 5)) - return; - - I915_WRITE(TILECTL, I915_READ(TILECTL) | TILECTL_SWZCTL); - if (IS_GEN(dev_priv, 6)) - I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_SNB)); - else if (IS_GEN(dev_priv, 7)) - I915_WRITE(ARB_MODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_IVB)); - else if (IS_GEN(dev_priv, 8)) - I915_WRITE(GAMTARBMODE, _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_BDW)); - else - BUG(); -} + struct intel_uncore *uncore = gt->uncore; -static void init_unused_ring(struct drm_i915_private *dev_priv, u32 base) -{ - I915_WRITE(RING_CTL(base), 0); - I915_WRITE(RING_HEAD(base), 0); - I915_WRITE(RING_TAIL(base), 0); - I915_WRITE(RING_START(base), 0); + intel_uncore_write(uncore, RING_CTL(base), 0); + intel_uncore_write(uncore, RING_HEAD(base), 0); + intel_uncore_write(uncore, RING_TAIL(base), 0); + intel_uncore_write(uncore, RING_START(base), 0); } -static void init_unused_rings(struct drm_i915_private *dev_priv) +static void init_unused_rings(struct intel_gt *gt) { - if (IS_I830(dev_priv)) { - init_unused_ring(dev_priv, PRB1_BASE); - init_unused_ring(dev_priv, SRB0_BASE); - init_unused_ring(dev_priv, SRB1_BASE); - init_unused_ring(dev_priv, SRB2_BASE); - init_unused_ring(dev_priv, SRB3_BASE); - } else if (IS_GEN(dev_priv, 2)) { - init_unused_ring(dev_priv, SRB0_BASE); - init_unused_ring(dev_priv, SRB1_BASE); - } else if (IS_GEN(dev_priv, 3)) { - init_unused_ring(dev_priv, PRB1_BASE); - init_unused_ring(dev_priv, PRB2_BASE); + struct drm_i915_private *i915 = gt->i915; + + if (IS_I830(i915)) { + init_unused_ring(gt, PRB1_BASE); + init_unused_ring(gt, SRB0_BASE); + init_unused_ring(gt, SRB1_BASE); + init_unused_ring(gt, SRB2_BASE); + init_unused_ring(gt, SRB3_BASE); + } else if (IS_GEN(i915, 2)) { + init_unused_ring(gt, SRB0_BASE); + init_unused_ring(gt, SRB1_BASE); + } else if (IS_GEN(i915, 3)) { + init_unused_ring(gt, PRB1_BASE); + init_unused_ring(gt, PRB2_BASE); } } -int i915_gem_init_hw(struct drm_i915_private *dev_priv) +int i915_gem_init_hw(struct drm_i915_private *i915) { + struct intel_uncore *uncore = &i915->uncore; + struct intel_gt *gt = &i915->gt; int ret; - dev_priv->gt.last_init_time = ktime_get(); + BUG_ON(!i915->kernel_context); + ret = intel_gt_terminally_wedged(gt); + if (ret) + return ret; + + gt->last_init_time = ktime_get(); /* Double layer security blanket, see i915_gem_init() */ - intel_uncore_forcewake_get(&dev_priv->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL); - if (HAS_EDRAM(dev_priv) && INTEL_GEN(dev_priv) < 9) - I915_WRITE(HSW_IDICR, I915_READ(HSW_IDICR) | IDIHASHMSK(0xf)); + if (HAS_EDRAM(i915) && INTEL_GEN(i915) < 9) + intel_uncore_rmw(uncore, HSW_IDICR, 0, IDIHASHMSK(0xf)); - if (IS_HASWELL(dev_priv)) - I915_WRITE(MI_PREDICATE_RESULT_2, IS_HSW_GT3(dev_priv) ? - LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); + if (IS_HASWELL(i915)) + intel_uncore_write(uncore, + MI_PREDICATE_RESULT_2, + IS_HSW_GT3(i915) ? + LOWER_SLICE_ENABLED : LOWER_SLICE_DISABLED); /* Apply the GT workarounds... */ - intel_gt_apply_workarounds(dev_priv); + intel_gt_apply_workarounds(gt); /* ...and determine whether they are sticking. */ - intel_gt_verify_workarounds(dev_priv, "init"); + intel_gt_verify_workarounds(gt, "init"); - i915_gem_init_swizzling(dev_priv); + intel_gt_init_swizzling(gt); /* * At least 830 can leave some of the unused rings @@ -1278,41 +1232,33 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv) * will prevent c3 entry. Makes sure all unused rings * are totally idle. */ - init_unused_rings(dev_priv); - - BUG_ON(!dev_priv->kernel_context); - ret = i915_terminally_wedged(dev_priv); - if (ret) - goto out; + init_unused_rings(gt); - ret = i915_ppgtt_init_hw(dev_priv); + ret = i915_ppgtt_init_hw(gt); if (ret) { DRM_ERROR("Enabling PPGTT failed (%d)\n", ret); goto out; } - ret = intel_wopcm_init_hw(&dev_priv->wopcm); + ret = intel_wopcm_init_hw(&i915->wopcm, gt); if (ret) { DRM_ERROR("Enabling WOPCM failed (%d)\n", ret); goto out; } /* We can't enable contexts until all firmware is loaded */ - ret = intel_uc_init_hw(dev_priv); + ret = intel_uc_init_hw(&i915->gt.uc); if (ret) { DRM_ERROR("Enabling uc failed (%d)\n", ret); goto out; } - intel_mocs_init_l3cc_table(dev_priv); + intel_mocs_init_l3cc_table(gt); - intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); - - intel_engines_set_scheduler_caps(dev_priv); - return 0; + intel_engines_set_scheduler_caps(i915); out: - intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL); return ret; } @@ -1349,10 +1295,24 @@ static int __intel_engines_record_defaults(struct drm_i915_private *i915) goto err_active; } - err = 0; - if (rq->engine->init_context) - err = rq->engine->init_context(rq); + err = intel_engine_emit_ctx_wa(rq); + if (err) + goto err_rq; + + /* + * Failing to program the MOCS is non-fatal.The system will not + * run at peak performance. So warn the user and carry on. + */ + err = intel_mocs_emit(rq); + if (err) + dev_notice(i915->drm.dev, + "Failed to program MOCS registers; expect performance issues.\n"); + err = intel_renderstate_emit(rq); + if (err) + goto err_rq; + +err_rq: i915_request_add(rq); if (err) goto err_active; @@ -1437,46 +1397,19 @@ err_active: * and ready to be torn-down. The quickest way we can accomplish * this is by declaring ourselves wedged. */ - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); goto out_ctx; } static int i915_gem_init_scratch(struct drm_i915_private *i915, unsigned int size) { - struct drm_i915_gem_object *obj; - struct i915_vma *vma; - int ret; - - obj = i915_gem_object_create_stolen(i915, size); - if (!obj) - obj = i915_gem_object_create_internal(i915, size); - if (IS_ERR(obj)) { - DRM_ERROR("Failed to allocate scratch page\n"); - return PTR_ERR(obj); - } - - vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); - if (IS_ERR(vma)) { - ret = PTR_ERR(vma); - goto err_unref; - } - - ret = i915_vma_pin(vma, 0, 0, PIN_GLOBAL | PIN_HIGH); - if (ret) - goto err_unref; - - i915->gt.scratch = vma; - return 0; - -err_unref: - i915_gem_object_put(obj); - return ret; + return intel_gt_init_scratch(&i915->gt, size); } static void i915_gem_fini_scratch(struct drm_i915_private *i915) { - i915_vma_unpin_and_release(&i915->gt.scratch, 0); + intel_gt_fini_scratch(&i915->gt); } static int intel_engines_verify_workarounds(struct drm_i915_private *i915) @@ -1507,19 +1440,17 @@ int i915_gem_init(struct drm_i915_private *dev_priv) dev_priv->mm.unordered_timeline = dma_fence_context_alloc(1); - i915_timelines_init(dev_priv); + intel_timelines_init(dev_priv); ret = i915_gem_init_userptr(dev_priv); if (ret) return ret; - ret = intel_uc_init_misc(dev_priv); - if (ret) - return ret; + intel_uc_fetch_firmwares(&dev_priv->gt.uc); ret = intel_wopcm_init(&dev_priv->wopcm); if (ret) - goto err_uc_misc; + goto err_uc_fw; /* This is just a security blanket to placate dragons. * On some systems, we very sporadically observe that the first TLBs @@ -1530,7 +1461,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) mutex_lock(&dev_priv->drm.struct_mutex); intel_uncore_forcewake_get(&dev_priv->uncore, FORCEWAKE_ALL); - ret = i915_gem_init_ggtt(dev_priv); + ret = i915_init_ggtt(dev_priv); if (ret) { GEM_BUG_ON(ret == -EIO); goto err_unlock; @@ -1563,7 +1494,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) intel_init_gt_powersave(dev_priv); - ret = intel_uc_init(dev_priv); + ret = intel_uc_init(&dev_priv->gt.uc); if (ret) goto err_pm; @@ -1572,7 +1503,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) goto err_uc_init; /* Only when the HW is re-initialised, can we replay the requests */ - ret = intel_gt_resume(dev_priv); + ret = intel_gt_resume(&dev_priv->gt); if (ret) goto err_init_hw; @@ -1595,12 +1526,12 @@ int i915_gem_init(struct drm_i915_private *dev_priv) if (ret) goto err_gt; - if (i915_inject_load_failure()) { + if (i915_inject_probe_failure()) { ret = -ENODEV; goto err_gt; } - if (i915_inject_load_failure()) { + if (i915_inject_probe_failure()) { ret = -EIO; goto err_gt; } @@ -1619,7 +1550,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) err_gt: mutex_unlock(&dev_priv->drm.struct_mutex); - i915_gem_set_wedged(dev_priv); + intel_gt_set_wedged(&dev_priv->gt); i915_gem_suspend(dev_priv); i915_gem_suspend_late(dev_priv); @@ -1627,9 +1558,9 @@ err_gt: mutex_lock(&dev_priv->drm.struct_mutex); err_init_hw: - intel_uc_fini_hw(dev_priv); + intel_uc_fini_hw(&dev_priv->gt.uc); err_uc_init: - intel_uc_fini(dev_priv); + intel_uc_fini(&dev_priv->gt.uc); err_pm: if (ret != -EIO) { intel_cleanup_gt_powersave(dev_priv); @@ -1645,12 +1576,12 @@ err_unlock: intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); mutex_unlock(&dev_priv->drm.struct_mutex); -err_uc_misc: - intel_uc_fini_misc(dev_priv); +err_uc_fw: + intel_uc_cleanup_firmwares(&dev_priv->gt.uc); if (ret != -EIO) { i915_gem_cleanup_userptr(dev_priv); - i915_timelines_fini(dev_priv); + intel_timelines_fini(dev_priv); } if (ret == -EIO) { @@ -1661,10 +1592,10 @@ err_uc_misc: * wedged. But we only want to do this where the GPU is angry, * for all other failure, such as an allocation failure, bail. */ - if (!i915_reset_failed(dev_priv)) { - i915_load_error(dev_priv, - "Failed to initialize GPU, declaring it wedged!\n"); - i915_gem_set_wedged(dev_priv); + if (!intel_gt_is_wedged(&dev_priv->gt)) { + i915_probe_error(dev_priv, + "Failed to initialize GPU, declaring it wedged!\n"); + intel_gt_set_wedged(&dev_priv->gt); } /* Minimal basic recovery for KMS */ @@ -1680,7 +1611,7 @@ err_uc_misc: return ret; } -void i915_gem_fini_hw(struct drm_i915_private *dev_priv) +void i915_gem_driver_remove(struct drm_i915_private *dev_priv) { GEM_BUG_ON(dev_priv->gt.awake); @@ -1693,14 +1624,14 @@ void i915_gem_fini_hw(struct drm_i915_private *dev_priv) i915_gem_drain_workqueue(dev_priv); mutex_lock(&dev_priv->drm.struct_mutex); - intel_uc_fini_hw(dev_priv); - intel_uc_fini(dev_priv); + intel_uc_fini_hw(&dev_priv->gt.uc); + intel_uc_fini(&dev_priv->gt.uc); mutex_unlock(&dev_priv->drm.struct_mutex); i915_gem_drain_freed_objects(dev_priv); } -void i915_gem_fini(struct drm_i915_private *dev_priv) +void i915_gem_driver_release(struct drm_i915_private *dev_priv) { mutex_lock(&dev_priv->drm.struct_mutex); intel_engines_cleanup(dev_priv); @@ -1712,9 +1643,9 @@ void i915_gem_fini(struct drm_i915_private *dev_priv) intel_cleanup_gt_powersave(dev_priv); - intel_uc_fini_misc(dev_priv); + intel_uc_cleanup_firmwares(&dev_priv->gt.uc); i915_gem_cleanup_userptr(dev_priv); - i915_timelines_fini(dev_priv); + intel_timelines_fini(dev_priv); i915_gem_drain_freed_objects(dev_priv); @@ -1743,20 +1674,9 @@ int i915_gem_init_early(struct drm_i915_private *dev_priv) { int err; - intel_gt_pm_init(dev_priv); - - INIT_LIST_HEAD(&dev_priv->gt.active_rings); - INIT_LIST_HEAD(&dev_priv->gt.closed_vma); - spin_lock_init(&dev_priv->gt.closed_lock); - i915_gem_init__mm(dev_priv); i915_gem_init__pm(dev_priv); - init_waitqueue_head(&dev_priv->gpu_error.wait_queue); - init_waitqueue_head(&dev_priv->gpu_error.reset_queue); - mutex_init(&dev_priv->gpu_error.wedge_mutex); - init_srcu_struct(&dev_priv->gpu_error.reset_backoff_srcu); - atomic_set(&dev_priv->mm.bsd_engine_dispatch_index, 0); spin_lock_init(&dev_priv->fb_tracking.lock); @@ -1775,7 +1695,7 @@ void i915_gem_cleanup_early(struct drm_i915_private *dev_priv) GEM_BUG_ON(atomic_read(&dev_priv->mm.free_count)); WARN_ON(dev_priv->mm.shrink_count); - cleanup_srcu_struct(&dev_priv->gpu_error.reset_backoff_srcu); + intel_gt_cleanup_early(&dev_priv->gt); i915_gemfs_fini(dev_priv); } diff --git a/drivers/gpu/drm/i915/i915_gem_batch_pool.c b/drivers/gpu/drm/i915/i915_gem_batch_pool.c index 25a3e4d09a2f..b17f23991253 100644 --- a/drivers/gpu/drm/i915/i915_gem_batch_pool.c +++ b/drivers/gpu/drm/i915/i915_gem_batch_pool.c @@ -94,34 +94,26 @@ i915_gem_batch_pool_get(struct i915_gem_batch_pool *pool, list = &pool->cache_list[n]; list_for_each_entry(obj, list, batch_pool_link) { + struct reservation_object *resv = obj->base.resv; + /* The batches are strictly LRU ordered */ - if (i915_gem_object_is_active(obj)) { - struct reservation_object *resv = obj->base.resv; - - if (!reservation_object_test_signaled_rcu(resv, true)) - break; - - i915_retire_requests(pool->engine->i915); - GEM_BUG_ON(i915_gem_object_is_active(obj)); - - /* - * The object is now idle, clear the array of shared - * fences before we add a new request. Although, we - * remain on the same engine, we may be on a different - * timeline and so may continually grow the array, - * trapping a reference to all the old fences, rather - * than replace the existing fence. - */ - if (rcu_access_pointer(resv->fence)) { - reservation_object_lock(resv, NULL); - reservation_object_add_excl_fence(resv, NULL); - reservation_object_unlock(resv); - } + if (!reservation_object_test_signaled_rcu(resv, true)) + break; + + /* + * The object is now idle, clear the array of shared + * fences before we add a new request. Although, we + * remain on the same engine, we may be on a different + * timeline and so may continually grow the array, + * trapping a reference to all the old fences, rather + * than replace the existing fence. + */ + if (rcu_access_pointer(resv->fence)) { + reservation_object_lock(resv, NULL); + reservation_object_add_excl_fence(resv, NULL); + reservation_object_unlock(resv); } - GEM_BUG_ON(!reservation_object_test_signaled_rcu(obj->base.resv, - true)); - if (obj->base.size >= size) goto found; } diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.c b/drivers/gpu/drm/i915/i915_gem_fence_reg.c index 0bf53ac1c835..bcac359ec661 100644 --- a/drivers/gpu/drm/i915/i915_gem_fence_reg.c +++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.c @@ -834,3 +834,35 @@ void i915_ggtt_init_fences(struct i915_ggtt *ggtt) i915_gem_restore_fences(i915); } + +void intel_gt_init_swizzling(struct intel_gt *gt) +{ + struct drm_i915_private *i915 = gt->i915; + struct intel_uncore *uncore = gt->uncore; + + if (INTEL_GEN(i915) < 5 || + i915->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_NONE) + return; + + intel_uncore_rmw(uncore, DISP_ARB_CTL, 0, DISP_TILE_SURFACE_SWIZZLING); + + if (IS_GEN(i915, 5)) + return; + + intel_uncore_rmw(uncore, TILECTL, 0, TILECTL_SWZCTL); + + if (IS_GEN(i915, 6)) + intel_uncore_write(uncore, + ARB_MODE, + _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_SNB)); + else if (IS_GEN(i915, 7)) + intel_uncore_write(uncore, + ARB_MODE, + _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_IVB)); + else if (IS_GEN(i915, 8)) + intel_uncore_write(uncore, + GAMTARBMODE, + _MASKED_BIT_ENABLE(ARB_MODE_SWIZZLE_BDW)); + else + MISSING_CASE(INTEL_GEN(i915)); +} diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.h b/drivers/gpu/drm/i915/i915_gem_fence_reg.h index d2da98828179..37e4f104f7c0 100644 --- a/drivers/gpu/drm/i915/i915_gem_fence_reg.h +++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.h @@ -32,6 +32,7 @@ struct drm_i915_gem_object; struct drm_i915_private; struct i915_ggtt; struct i915_vma; +struct intel_gt; struct sg_table; #define I965_FENCE_PAGE 4096UL @@ -66,4 +67,6 @@ void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj, void i915_ggtt_init_fences(struct i915_ggtt *ggtt); +void intel_gt_init_swizzling(struct intel_gt *gt); + #endif diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 7015a97b1097..c3028722d4e3 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -36,6 +36,7 @@ #include <drm/i915_drm.h> #include "display/intel_frontbuffer.h" +#include "gt/intel_gt.h" #include "i915_drv.h" #include "i915_scatterlist.h" @@ -45,6 +46,12 @@ #define I915_GFP_ALLOW_FAIL (GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN) +#if IS_ENABLED(CONFIG_DRM_I915_TRACE_GTT) +#define DBG(...) trace_printk(__VA_ARGS__) +#else +#define DBG(...) +#endif + /** * DOC: Global GTT views * @@ -106,12 +113,14 @@ * */ +#define as_pd(x) container_of((x), typeof(struct i915_page_directory), pt) + static int i915_get_ggtt_vma_pages(struct i915_vma *vma); -static void gen6_ggtt_invalidate(struct drm_i915_private *i915) +static void gen6_ggtt_invalidate(struct i915_ggtt *ggtt) { - struct intel_uncore *uncore = &i915->uncore; + struct intel_uncore *uncore = &ggtt->vm.i915->uncore; /* * Note that as an uncached mmio write, this will flush the @@ -120,24 +129,19 @@ static void gen6_ggtt_invalidate(struct drm_i915_private *i915) intel_uncore_write_fw(uncore, GFX_FLSH_CNTL_GEN6, GFX_FLSH_CNTL_EN); } -static void guc_ggtt_invalidate(struct drm_i915_private *i915) +static void guc_ggtt_invalidate(struct i915_ggtt *ggtt) { - struct intel_uncore *uncore = &i915->uncore; + struct intel_uncore *uncore = &ggtt->vm.i915->uncore; - gen6_ggtt_invalidate(i915); + gen6_ggtt_invalidate(ggtt); intel_uncore_write_fw(uncore, GEN8_GTCR, GEN8_GTCR_INVALIDATE); } -static void gmch_ggtt_invalidate(struct drm_i915_private *i915) +static void gmch_ggtt_invalidate(struct i915_ggtt *ggtt) { intel_gtt_chipset_flush(); } -static inline void i915_ggtt_invalidate(struct drm_i915_private *i915) -{ - i915->ggtt.invalidate(i915); -} - static int ppgtt_bind_vma(struct i915_vma *vma, enum i915_cache_level cache_level, u32 unused) @@ -215,10 +219,10 @@ static u64 gen8_pte_encode(dma_addr_t addr, return pte; } -static gen8_pde_t gen8_pde_encode(const dma_addr_t addr, - const enum i915_cache_level level) +static u64 gen8_pde_encode(const dma_addr_t addr, + const enum i915_cache_level level) { - gen8_pde_t pde = _PAGE_PRESENT | _PAGE_RW; + u64 pde = _PAGE_PRESENT | _PAGE_RW; pde |= addr; if (level != I915_CACHE_NONE) pde |= PPAT_CACHED_PDE; @@ -227,9 +231,6 @@ static gen8_pde_t gen8_pde_encode(const dma_addr_t addr, return pde; } -#define gen8_pdpe_encode gen8_pde_encode -#define gen8_pml4e_encode gen8_pde_encode - static u64 snb_pte_encode(dma_addr_t addr, enum i915_cache_level level, u32 flags) @@ -482,9 +483,69 @@ static void vm_free_page(struct i915_address_space *vm, struct page *page) spin_unlock(&vm->free_pages.lock); } +static void i915_address_space_fini(struct i915_address_space *vm) +{ + spin_lock(&vm->free_pages.lock); + if (pagevec_count(&vm->free_pages.pvec)) + vm_free_pages_release(vm, true); + GEM_BUG_ON(pagevec_count(&vm->free_pages.pvec)); + spin_unlock(&vm->free_pages.lock); + + drm_mm_takedown(&vm->mm); + + mutex_destroy(&vm->mutex); +} + +static void ppgtt_destroy_vma(struct i915_address_space *vm) +{ + struct list_head *phases[] = { + &vm->bound_list, + &vm->unbound_list, + NULL, + }, **phase; + + mutex_lock(&vm->i915->drm.struct_mutex); + for (phase = phases; *phase; phase++) { + struct i915_vma *vma, *vn; + + list_for_each_entry_safe(vma, vn, *phase, vm_link) + i915_vma_destroy(vma); + } + mutex_unlock(&vm->i915->drm.struct_mutex); +} + +static void __i915_vm_release(struct work_struct *work) +{ + struct i915_address_space *vm = + container_of(work, struct i915_address_space, rcu.work); + + ppgtt_destroy_vma(vm); + + GEM_BUG_ON(!list_empty(&vm->bound_list)); + GEM_BUG_ON(!list_empty(&vm->unbound_list)); + + vm->cleanup(vm); + i915_address_space_fini(vm); + + kfree(vm); +} + +void i915_vm_release(struct kref *kref) +{ + struct i915_address_space *vm = + container_of(kref, struct i915_address_space, ref); + + GEM_BUG_ON(i915_is_ggtt(vm)); + trace_i915_ppgtt_release(vm); + + vm->closed = true; + queue_rcu_work(vm->i915->wq, &vm->rcu); +} + static void i915_address_space_init(struct i915_address_space *vm, int subclass) { kref_init(&vm->ref); + INIT_RCU_WORK(&vm->rcu, __i915_vm_release); /* * The vm->mutex must be reclaim safe (for use in the shrinker). @@ -505,19 +566,6 @@ static void i915_address_space_init(struct i915_address_space *vm, int subclass) INIT_LIST_HEAD(&vm->bound_list); } -static void i915_address_space_fini(struct i915_address_space *vm) -{ - spin_lock(&vm->free_pages.lock); - if (pagevec_count(&vm->free_pages.pvec)) - vm_free_pages_release(vm, true); - GEM_BUG_ON(pagevec_count(&vm->free_pages.pvec)); - spin_unlock(&vm->free_pages.lock); - - drm_mm_takedown(&vm->mm); - - mutex_destroy(&vm->mutex); -} - static int __setup_page_dma(struct i915_address_space *vm, struct i915_page_dma *p, gfp_t gfp) @@ -554,28 +602,17 @@ static void cleanup_page_dma(struct i915_address_space *vm, #define kmap_atomic_px(px) kmap_atomic(px_base(px)->page) -#define setup_px(vm, px) setup_page_dma((vm), px_base(px)) -#define cleanup_px(vm, px) cleanup_page_dma((vm), px_base(px)) -#define fill_px(vm, px, v) fill_page_dma((vm), px_base(px), (v)) -#define fill32_px(vm, px, v) fill_page_dma_32((vm), px_base(px), (v)) - -static void fill_page_dma(struct i915_address_space *vm, - struct i915_page_dma *p, - const u64 val) +static void +fill_page_dma(const struct i915_page_dma *p, const u64 val, unsigned int count) { - u64 * const vaddr = kmap_atomic(p->page); - - memset64(vaddr, val, PAGE_SIZE / sizeof(val)); - - kunmap_atomic(vaddr); + kunmap_atomic(memset64(kmap_atomic(p->page), val, count)); } -static void fill_page_dma_32(struct i915_address_space *vm, - struct i915_page_dma *p, - const u32 v) -{ - fill_page_dma(vm, p, (u64)v << 32 | v); -} +#define fill_px(px, v) fill_page_dma(px_base(px), (v), PAGE_SIZE / sizeof(u64)) +#define fill32_px(px, v) do { \ + u64 v__ = lower_32_bits(v); \ + fill_px((px), v__ << 32 | v__); \ +} while (0) static int setup_scratch_page(struct i915_address_space *vm, gfp_t gfp) @@ -602,7 +639,7 @@ setup_scratch_page(struct i915_address_space *vm, gfp_t gfp) gfp |= __GFP_ZERO | __GFP_RETRY_MAYFAIL; do { - int order = get_order(size); + unsigned int order = get_order(size); struct page *page; dma_addr_t addr; @@ -621,8 +658,8 @@ setup_scratch_page(struct i915_address_space *vm, gfp_t gfp) if (unlikely(!IS_ALIGNED(addr, size))) goto unmap_page; - vm->scratch_page.page = page; - vm->scratch_page.daddr = addr; + vm->scratch[0].base.page = page; + vm->scratch[0].base.daddr = addr; vm->scratch_order = order; return 0; @@ -641,14 +678,30 @@ skip: static void cleanup_scratch_page(struct i915_address_space *vm) { - struct i915_page_dma *p = &vm->scratch_page; - int order = vm->scratch_order; + struct i915_page_dma *p = px_base(&vm->scratch[0]); + unsigned int order = vm->scratch_order; dma_unmap_page(vm->dma, p->daddr, BIT(order) << PAGE_SHIFT, PCI_DMA_BIDIRECTIONAL); __free_pages(p->page, order); } +static void free_scratch(struct i915_address_space *vm) +{ + int i; + + if (!px_dma(&vm->scratch[0])) /* set to 0 on clones */ + return; + + for (i = 1; i <= vm->top; i++) { + if (!px_dma(&vm->scratch[i])) + break; + cleanup_page_dma(vm, px_base(&vm->scratch[i])); + } + + cleanup_scratch_page(vm); +} + static struct i915_page_table *alloc_pt(struct i915_address_space *vm) { struct i915_page_table *pt; @@ -657,50 +710,24 @@ static struct i915_page_table *alloc_pt(struct i915_address_space *vm) if (unlikely(!pt)) return ERR_PTR(-ENOMEM); - if (unlikely(setup_px(vm, pt))) { + if (unlikely(setup_page_dma(vm, &pt->base))) { kfree(pt); return ERR_PTR(-ENOMEM); } atomic_set(&pt->used, 0); - return pt; } -static void free_pt(struct i915_address_space *vm, struct i915_page_table *pt) -{ - cleanup_px(vm, pt); - kfree(pt); -} - -static void gen8_initialize_pt(struct i915_address_space *vm, - struct i915_page_table *pt) -{ - fill_px(vm, pt, vm->scratch_pte); -} - -static void gen6_initialize_pt(struct i915_address_space *vm, - struct i915_page_table *pt) -{ - fill32_px(vm, pt, vm->scratch_pte); -} - -static struct i915_page_directory *__alloc_pd(void) +static struct i915_page_directory *__alloc_pd(size_t sz) { struct i915_page_directory *pd; - pd = kmalloc(sizeof(*pd), I915_GFP_ALLOW_FAIL); - + pd = kzalloc(sz, I915_GFP_ALLOW_FAIL); if (unlikely(!pd)) return NULL; - memset(&pd->base, 0, sizeof(pd->base)); - atomic_set(&pd->used, 0); spin_lock_init(&pd->lock); - - /* for safety */ - pd->entry[0] = NULL; - return pd; } @@ -708,11 +735,11 @@ static struct i915_page_directory *alloc_pd(struct i915_address_space *vm) { struct i915_page_directory *pd; - pd = __alloc_pd(); + pd = __alloc_pd(sizeof(*pd)); if (unlikely(!pd)) return ERR_PTR(-ENOMEM); - if (unlikely(setup_px(vm, pd))) { + if (unlikely(setup_page_dma(vm, px_base(pd)))) { kfree(pd); return ERR_PTR(-ENOMEM); } @@ -720,36 +747,72 @@ static struct i915_page_directory *alloc_pd(struct i915_address_space *vm) return pd; } -static inline bool pd_has_phys_page(const struct i915_page_directory * const pd) +static void free_pd(struct i915_address_space *vm, struct i915_page_dma *pd) { - return pd->base.page; + cleanup_page_dma(vm, pd); + kfree(pd); } -static void free_pd(struct i915_address_space *vm, - struct i915_page_directory *pd) +#define free_px(vm, px) free_pd(vm, px_base(px)) + +static inline void +write_dma_entry(struct i915_page_dma * const pdma, + const unsigned short idx, + const u64 encoded_entry) { - if (likely(pd_has_phys_page(pd))) - cleanup_px(vm, pd); + u64 * const vaddr = kmap_atomic(pdma->page); - kfree(pd); + vaddr[idx] = encoded_entry; + kunmap_atomic(vaddr); } -static void init_pd_with_page(struct i915_address_space *vm, - struct i915_page_directory * const pd, - struct i915_page_table *pt) +static inline void +__set_pd_entry(struct i915_page_directory * const pd, + const unsigned short idx, + struct i915_page_dma * const to, + u64 (*encode)(const dma_addr_t, const enum i915_cache_level)) +{ + GEM_BUG_ON(atomic_read(px_used(pd)) > ARRAY_SIZE(pd->entry)); + + atomic_inc(px_used(pd)); + pd->entry[idx] = to; + write_dma_entry(px_base(pd), idx, encode(to->daddr, I915_CACHE_LLC)); +} + +#define set_pd_entry(pd, idx, to) \ + __set_pd_entry((pd), (idx), px_base(to), gen8_pde_encode) + +static inline void +clear_pd_entry(struct i915_page_directory * const pd, + const unsigned short idx, + const struct i915_page_scratch * const scratch) { - fill_px(vm, pd, gen8_pde_encode(px_dma(pt), I915_CACHE_LLC)); - memset_p(pd->entry, pt, 512); + GEM_BUG_ON(atomic_read(px_used(pd)) == 0); + + write_dma_entry(px_base(pd), idx, scratch->encode); + pd->entry[idx] = NULL; + atomic_dec(px_used(pd)); } -static void init_pd(struct i915_address_space *vm, - struct i915_page_directory * const pd, - struct i915_page_directory * const to) +static bool +release_pd_entry(struct i915_page_directory * const pd, + const unsigned short idx, + struct i915_page_table * const pt, + const struct i915_page_scratch * const scratch) { - GEM_DEBUG_BUG_ON(!pd_has_phys_page(pd)); + bool free = false; + + if (atomic_add_unless(&pt->used, -1, 1)) + return false; + + spin_lock(&pd->lock); + if (atomic_dec_and_test(&pt->used)) { + clear_pd_entry(pd, idx, scratch); + free = true; + } + spin_unlock(&pd->lock); - fill_px(vm, pd, gen8_pdpe_encode(px_dma(to), I915_CACHE_LLC)); - memset_p(pd->entry, to, 512); + return free; } /* @@ -763,165 +826,305 @@ static void mark_tlbs_dirty(struct i915_ppgtt *ppgtt) ppgtt->pd_dirty_engines = ALL_ENGINES; } -/* Removes entries from a single page table, releasing it if it's empty. - * Caller can use the return value to update higher-level entries. - */ -static bool gen8_ppgtt_clear_pt(const struct i915_address_space *vm, - struct i915_page_table *pt, - u64 start, u64 length) +static int gen8_ppgtt_notify_vgt(struct i915_ppgtt *ppgtt, bool create) { - unsigned int num_entries = gen8_pte_count(start, length); - gen8_pte_t *vaddr; + struct i915_address_space *vm = &ppgtt->vm; + struct drm_i915_private *dev_priv = vm->i915; + enum vgt_g2v_type msg; + int i; - vaddr = kmap_atomic_px(pt); - memset64(vaddr + gen8_pte_index(start), vm->scratch_pte, num_entries); - kunmap_atomic(vaddr); + if (create) + atomic_inc(px_used(ppgtt->pd)); /* never remove */ + else + atomic_dec(px_used(ppgtt->pd)); + + if (i915_vm_is_4lvl(vm)) { + const u64 daddr = px_dma(ppgtt->pd); - GEM_BUG_ON(num_entries > atomic_read(&pt->used)); - return !atomic_sub_return(num_entries, &pt->used); + I915_WRITE(vgtif_reg(pdp[0].lo), lower_32_bits(daddr)); + I915_WRITE(vgtif_reg(pdp[0].hi), upper_32_bits(daddr)); + + msg = (create ? VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE : + VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY); + } else { + for (i = 0; i < GEN8_3LVL_PDPES; i++) { + const u64 daddr = i915_page_dir_dma_addr(ppgtt, i); + + I915_WRITE(vgtif_reg(pdp[i].lo), lower_32_bits(daddr)); + I915_WRITE(vgtif_reg(pdp[i].hi), upper_32_bits(daddr)); + } + + msg = (create ? VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE : + VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY); + } + + I915_WRITE(vgtif_reg(g2v_notify), msg); + + return 0; } -static void gen8_ppgtt_set_pde(struct i915_address_space *vm, - struct i915_page_directory *pd, - struct i915_page_table *pt, - unsigned int pde) +/* Index shifts into the pagetable are offset by GEN8_PTE_SHIFT [12] */ +#define GEN8_PAGE_SIZE (SZ_4K) /* page and page-directory sizes are the same */ +#define GEN8_PTE_SHIFT (ilog2(GEN8_PAGE_SIZE)) +#define GEN8_PDES (GEN8_PAGE_SIZE / sizeof(u64)) +#define gen8_pd_shift(lvl) ((lvl) * ilog2(GEN8_PDES)) +#define gen8_pd_index(i, lvl) i915_pde_index((i), gen8_pd_shift(lvl)) +#define __gen8_pte_shift(lvl) (GEN8_PTE_SHIFT + gen8_pd_shift(lvl)) +#define __gen8_pte_index(a, lvl) i915_pde_index((a), __gen8_pte_shift(lvl)) + +static inline unsigned int +gen8_pd_range(u64 start, u64 end, int lvl, unsigned int *idx) { - gen8_pde_t *vaddr; + const int shift = gen8_pd_shift(lvl); + const u64 mask = ~0ull << gen8_pd_shift(lvl + 1); - vaddr = kmap_atomic_px(pd); - vaddr[pde] = gen8_pde_encode(px_dma(pt), I915_CACHE_LLC); - kunmap_atomic(vaddr); + GEM_BUG_ON(start >= end); + end += ~mask >> gen8_pd_shift(1); + + *idx = i915_pde_index(start, shift); + if ((start ^ end) & mask) + return GEN8_PDES - *idx; + else + return i915_pde_index(end, shift) - *idx; } -static bool gen8_ppgtt_clear_pd(struct i915_address_space *vm, - struct i915_page_directory *pd, - u64 start, u64 length) +static inline bool gen8_pd_contains(u64 start, u64 end, int lvl) { - struct i915_page_table *pt; - u32 pde; + const u64 mask = ~0ull << gen8_pd_shift(lvl + 1); - gen8_for_each_pde(pt, pd, start, length, pde) { - bool free = false; + GEM_BUG_ON(start >= end); + return (start ^ end) & mask && (start & ~mask) == 0; +} - GEM_BUG_ON(pt == vm->scratch_pt); +static inline unsigned int gen8_pt_count(u64 start, u64 end) +{ + GEM_BUG_ON(start >= end); + if ((start ^ end) >> gen8_pd_shift(1)) + return GEN8_PDES - (start & (GEN8_PDES - 1)); + else + return end - start; +} - if (!gen8_ppgtt_clear_pt(vm, pt, start, length)) - continue; +static inline unsigned int gen8_pd_top_count(const struct i915_address_space *vm) +{ + unsigned int shift = __gen8_pte_shift(vm->top); + return (vm->total + (1ull << shift) - 1) >> shift; +} - spin_lock(&pd->lock); - if (!atomic_read(&pt->used)) { - gen8_ppgtt_set_pde(vm, pd, vm->scratch_pt, pde); - pd->entry[pde] = vm->scratch_pt; +static void __gen8_ppgtt_cleanup(struct i915_address_space *vm, + struct i915_page_directory *pd, + int count, int lvl) +{ + if (lvl) { + void **pde = pd->entry; - GEM_BUG_ON(!atomic_read(&pd->used)); - atomic_dec(&pd->used); - free = true; - } - spin_unlock(&pd->lock); - if (free) - free_pt(vm, pt); + do { + if (!*pde) + continue; + + __gen8_ppgtt_cleanup(vm, *pde, GEN8_PDES, lvl - 1); + } while (pde++, --count); } - return !atomic_read(&pd->used); + free_px(vm, pd); } -static void gen8_ppgtt_set_pdpe(struct i915_page_directory *pdp, - struct i915_page_directory *pd, - unsigned int pdpe) +static void gen8_ppgtt_cleanup(struct i915_address_space *vm) { - gen8_ppgtt_pdpe_t *vaddr; + struct i915_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); - if (!pd_has_phys_page(pdp)) - return; + if (intel_vgpu_active(vm->i915)) + gen8_ppgtt_notify_vgt(ppgtt, false); - vaddr = kmap_atomic_px(pdp); - vaddr[pdpe] = gen8_pdpe_encode(px_dma(pd), I915_CACHE_LLC); - kunmap_atomic(vaddr); + __gen8_ppgtt_cleanup(vm, ppgtt->pd, gen8_pd_top_count(vm), vm->top); + free_scratch(vm); } -/* Removes entries from a single page dir pointer, releasing it if it's empty. - * Caller can use the return value to update higher-level entries - */ -static bool gen8_ppgtt_clear_pdp(struct i915_address_space *vm, - struct i915_page_directory * const pdp, - u64 start, u64 length) +static u64 __gen8_ppgtt_clear(struct i915_address_space * const vm, + struct i915_page_directory * const pd, + u64 start, const u64 end, int lvl) { - struct i915_page_directory *pd; - unsigned int pdpe; + const struct i915_page_scratch * const scratch = &vm->scratch[lvl]; + unsigned int idx, len; - gen8_for_each_pdpe(pd, pdp, start, length, pdpe) { - bool free = false; + len = gen8_pd_range(start, end, lvl--, &idx); + DBG("%s(%p):{ lvl:%d, start:%llx, end:%llx, idx:%d, len:%d, used:%d}\n", + __func__, vm, lvl + 1, start, end, + idx, len, atomic_read(px_used(pd))); + GEM_BUG_ON(!len || len >= atomic_read(px_used(pd))); - GEM_BUG_ON(pd == vm->scratch_pd); - - if (!gen8_ppgtt_clear_pd(vm, pd, start, length)) + do { + struct i915_page_table *pt = pd->entry[idx]; + + if (atomic_fetch_inc(&pt->used) >> gen8_pd_shift(1) && + gen8_pd_contains(start, end, lvl)) { + DBG("%s(%p):{ lvl:%d, idx:%d, start:%llx, end:%llx } removing pd\n", + __func__, vm, lvl + 1, idx, start, end); + clear_pd_entry(pd, idx, scratch); + __gen8_ppgtt_cleanup(vm, as_pd(pt), I915_PDES, lvl); + start += (u64)I915_PDES << gen8_pd_shift(lvl); continue; + } + + if (lvl) { + start = __gen8_ppgtt_clear(vm, as_pd(pt), + start, end, lvl); + } else { + unsigned int count; + u64 *vaddr; - spin_lock(&pdp->lock); - if (!atomic_read(&pd->used)) { - gen8_ppgtt_set_pdpe(pdp, vm->scratch_pd, pdpe); - pdp->entry[pdpe] = vm->scratch_pd; + count = gen8_pt_count(start, end); + DBG("%s(%p):{ lvl:%d, start:%llx, end:%llx, idx:%d, len:%d, used:%d} removing pte\n", + __func__, vm, lvl, start, end, + gen8_pd_index(start, 0), count, + atomic_read(&pt->used)); + GEM_BUG_ON(!count || count >= atomic_read(&pt->used)); + + vaddr = kmap_atomic_px(pt); + memset64(vaddr + gen8_pd_index(start, 0), + vm->scratch[0].encode, + count); + kunmap_atomic(vaddr); - GEM_BUG_ON(!atomic_read(&pdp->used)); - atomic_dec(&pdp->used); - free = true; + atomic_sub(count, &pt->used); + start += count; } - spin_unlock(&pdp->lock); - if (free) - free_pd(vm, pd); - } - return !atomic_read(&pdp->used); + if (release_pd_entry(pd, idx, pt, scratch)) + free_px(vm, pt); + } while (idx++, --len); + + return start; } -static void gen8_ppgtt_clear_3lvl(struct i915_address_space *vm, - u64 start, u64 length) +static void gen8_ppgtt_clear(struct i915_address_space *vm, + u64 start, u64 length) { - gen8_ppgtt_clear_pdp(vm, i915_vm_to_ppgtt(vm)->pd, start, length); + GEM_BUG_ON(!IS_ALIGNED(start, BIT_ULL(GEN8_PTE_SHIFT))); + GEM_BUG_ON(!IS_ALIGNED(length, BIT_ULL(GEN8_PTE_SHIFT))); + + start >>= GEN8_PTE_SHIFT; + length >>= GEN8_PTE_SHIFT; + GEM_BUG_ON(length == 0); + + __gen8_ppgtt_clear(vm, i915_vm_to_ppgtt(vm)->pd, + start, start + length, vm->top); } -static void gen8_ppgtt_set_pml4e(struct i915_page_directory *pml4, - struct i915_page_directory *pdp, - unsigned int pml4e) +static int __gen8_ppgtt_alloc(struct i915_address_space * const vm, + struct i915_page_directory * const pd, + u64 * const start, u64 end, int lvl) { - gen8_ppgtt_pml4e_t *vaddr; + const struct i915_page_scratch * const scratch = &vm->scratch[lvl]; + struct i915_page_table *alloc = NULL; + unsigned int idx, len; + int ret = 0; - vaddr = kmap_atomic_px(pml4); - vaddr[pml4e] = gen8_pml4e_encode(px_dma(pdp), I915_CACHE_LLC); - kunmap_atomic(vaddr); + len = gen8_pd_range(*start, end, lvl--, &idx); + DBG("%s(%p):{lvl:%d, start:%llx, end:%llx, idx:%d, len:%d, used:%d}\n", + __func__, vm, lvl + 1, *start, end, + idx, len, atomic_read(px_used(pd))); + GEM_BUG_ON(!len || (idx + len - 1) >> gen8_pd_shift(1)); + + spin_lock(&pd->lock); + GEM_BUG_ON(!atomic_read(px_used(pd))); /* Must be pinned! */ + do { + struct i915_page_table *pt = pd->entry[idx]; + + if (!pt) { + spin_unlock(&pd->lock); + + DBG("%s(%p):{ lvl:%d, idx:%d } allocating new tree\n", + __func__, vm, lvl + 1, idx); + + pt = fetch_and_zero(&alloc); + if (lvl) { + if (!pt) { + pt = &alloc_pd(vm)->pt; + if (IS_ERR(pt)) { + ret = PTR_ERR(pt); + goto out; + } + } + + fill_px(pt, vm->scratch[lvl].encode); + } else { + if (!pt) { + pt = alloc_pt(vm); + if (IS_ERR(pt)) { + ret = PTR_ERR(pt); + goto out; + } + } + + if (intel_vgpu_active(vm->i915) || + gen8_pt_count(*start, end) < I915_PDES) + fill_px(pt, vm->scratch[lvl].encode); + } + + spin_lock(&pd->lock); + if (likely(!pd->entry[idx])) + set_pd_entry(pd, idx, pt); + else + alloc = pt, pt = pd->entry[idx]; + } + + if (lvl) { + atomic_inc(&pt->used); + spin_unlock(&pd->lock); + + ret = __gen8_ppgtt_alloc(vm, as_pd(pt), + start, end, lvl); + if (unlikely(ret)) { + if (release_pd_entry(pd, idx, pt, scratch)) + free_px(vm, pt); + goto out; + } + + spin_lock(&pd->lock); + atomic_dec(&pt->used); + GEM_BUG_ON(!atomic_read(&pt->used)); + } else { + unsigned int count = gen8_pt_count(*start, end); + + DBG("%s(%p):{lvl:%d, start:%llx, end:%llx, idx:%d, len:%d, used:%d} inserting pte\n", + __func__, vm, lvl, *start, end, + gen8_pd_index(*start, 0), count, + atomic_read(&pt->used)); + + atomic_add(count, &pt->used); + GEM_BUG_ON(atomic_read(&pt->used) > I915_PDES); + *start += count; + } + } while (idx++, --len); + spin_unlock(&pd->lock); +out: + if (alloc) + free_px(vm, alloc); + return ret; } -/* Removes entries from a single pml4. - * This is the top-level structure in 4-level page tables used on gen8+. - * Empty entries are always scratch pml4e. - */ -static void gen8_ppgtt_clear_4lvl(struct i915_address_space *vm, - u64 start, u64 length) +static int gen8_ppgtt_alloc(struct i915_address_space *vm, + u64 start, u64 length) { - struct i915_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); - struct i915_page_directory * const pml4 = ppgtt->pd; - struct i915_page_directory *pdp; - unsigned int pml4e; + u64 from; + int err; - GEM_BUG_ON(!i915_vm_is_4lvl(vm)); + GEM_BUG_ON(!IS_ALIGNED(start, BIT_ULL(GEN8_PTE_SHIFT))); + GEM_BUG_ON(!IS_ALIGNED(length, BIT_ULL(GEN8_PTE_SHIFT))); - gen8_for_each_pml4e(pdp, pml4, start, length, pml4e) { - bool free = false; - GEM_BUG_ON(pdp == vm->scratch_pdp); + start >>= GEN8_PTE_SHIFT; + length >>= GEN8_PTE_SHIFT; + GEM_BUG_ON(length == 0); + from = start; - if (!gen8_ppgtt_clear_pdp(vm, pdp, start, length)) - continue; + err = __gen8_ppgtt_alloc(vm, i915_vm_to_ppgtt(vm)->pd, + &start, start + length, vm->top); + if (unlikely(err && from != start)) + __gen8_ppgtt_clear(vm, i915_vm_to_ppgtt(vm)->pd, + from, start, vm->top); - spin_lock(&pml4->lock); - if (!atomic_read(&pdp->used)) { - gen8_ppgtt_set_pml4e(pml4, vm->scratch_pdp, pml4e); - pml4->entry[pml4e] = vm->scratch_pdp; - free = true; - } - spin_unlock(&pml4->lock); - if (free) - free_pd(vm, pdp); - } + return err; } static inline struct sgt_dma { @@ -933,47 +1136,28 @@ static inline struct sgt_dma { return (struct sgt_dma) { sg, addr, addr + sg->length }; } -struct gen8_insert_pte { - u16 pml4e; - u16 pdpe; - u16 pde; - u16 pte; -}; - -static __always_inline struct gen8_insert_pte gen8_insert_pte(u64 start) -{ - return (struct gen8_insert_pte) { - gen8_pml4e_index(start), - gen8_pdpe_index(start), - gen8_pde_index(start), - gen8_pte_index(start), - }; -} - -static __always_inline bool +static __always_inline u64 gen8_ppgtt_insert_pte_entries(struct i915_ppgtt *ppgtt, struct i915_page_directory *pdp, struct sgt_dma *iter, - struct gen8_insert_pte *idx, + u64 idx, enum i915_cache_level cache_level, u32 flags) { struct i915_page_directory *pd; const gen8_pte_t pte_encode = gen8_pte_encode(0, cache_level, flags); gen8_pte_t *vaddr; - bool ret; - GEM_BUG_ON(idx->pdpe >= i915_pdpes_per_pdp(&ppgtt->vm)); - pd = i915_pd_entry(pdp, idx->pdpe); - vaddr = kmap_atomic_px(i915_pt_entry(pd, idx->pde)); + pd = i915_pd_entry(pdp, gen8_pd_index(idx, 2)); + vaddr = kmap_atomic_px(i915_pt_entry(pd, gen8_pd_index(idx, 1))); do { - vaddr[idx->pte] = pte_encode | iter->dma; + vaddr[gen8_pd_index(idx, 0)] = pte_encode | iter->dma; iter->dma += I915_GTT_PAGE_SIZE; if (iter->dma >= iter->max) { iter->sg = __sg_next(iter->sg); if (!iter->sg) { - ret = false; + idx = 0; break; } @@ -981,30 +1165,22 @@ gen8_ppgtt_insert_pte_entries(struct i915_ppgtt *ppgtt, iter->max = iter->dma + iter->sg->length; } - if (++idx->pte == GEN8_PTES) { - idx->pte = 0; - - if (++idx->pde == I915_PDES) { - idx->pde = 0; - + if (gen8_pd_index(++idx, 0) == 0) { + if (gen8_pd_index(idx, 1) == 0) { /* Limited by sg length for 3lvl */ - if (++idx->pdpe == GEN8_PML4ES_PER_PML4) { - idx->pdpe = 0; - ret = true; + if (gen8_pd_index(idx, 2) == 0) break; - } - GEM_BUG_ON(idx->pdpe >= i915_pdpes_per_pdp(&ppgtt->vm)); - pd = pdp->entry[idx->pdpe]; + pd = pdp->entry[gen8_pd_index(idx, 2)]; } kunmap_atomic(vaddr); - vaddr = kmap_atomic_px(i915_pt_entry(pd, idx->pde)); + vaddr = kmap_atomic_px(i915_pt_entry(pd, gen8_pd_index(idx, 1))); } } while (1); kunmap_atomic(vaddr); - return ret; + return idx; } static void gen8_ppgtt_insert_3lvl(struct i915_address_space *vm, @@ -1014,9 +1190,9 @@ static void gen8_ppgtt_insert_3lvl(struct i915_address_space *vm, { struct i915_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); struct sgt_dma iter = sgt_dma(vma); - struct gen8_insert_pte idx = gen8_insert_pte(vma->node.start); - gen8_ppgtt_insert_pte_entries(ppgtt, ppgtt->pd, &iter, &idx, + gen8_ppgtt_insert_pte_entries(ppgtt, ppgtt->pd, &iter, + vma->node.start >> GEN8_PTE_SHIFT, cache_level, flags); vma->page_sizes.gtt = I915_GTT_PAGE_SIZE; @@ -1033,39 +1209,38 @@ static void gen8_ppgtt_insert_huge_entries(struct i915_vma *vma, dma_addr_t rem = iter->sg->length; do { - struct gen8_insert_pte idx = gen8_insert_pte(start); struct i915_page_directory *pdp = - i915_pdp_entry(pml4, idx.pml4e); - struct i915_page_directory *pd = i915_pd_entry(pdp, idx.pdpe); - unsigned int page_size; - bool maybe_64K = false; + i915_pd_entry(pml4, __gen8_pte_index(start, 3)); + struct i915_page_directory *pd = + i915_pd_entry(pdp, __gen8_pte_index(start, 2)); gen8_pte_t encode = pte_encode; + unsigned int maybe_64K = -1; + unsigned int page_size; gen8_pte_t *vaddr; - u16 index, max; + u16 index; if (vma->page_sizes.sg & I915_GTT_PAGE_SIZE_2M && IS_ALIGNED(iter->dma, I915_GTT_PAGE_SIZE_2M) && - rem >= I915_GTT_PAGE_SIZE_2M && !idx.pte) { - index = idx.pde; - max = I915_PDES; - page_size = I915_GTT_PAGE_SIZE_2M; - + rem >= I915_GTT_PAGE_SIZE_2M && + !__gen8_pte_index(start, 0)) { + index = __gen8_pte_index(start, 1); encode |= GEN8_PDE_PS_2M; + page_size = I915_GTT_PAGE_SIZE_2M; vaddr = kmap_atomic_px(pd); } else { - struct i915_page_table *pt = i915_pt_entry(pd, idx.pde); + struct i915_page_table *pt = + i915_pt_entry(pd, __gen8_pte_index(start, 1)); - index = idx.pte; - max = GEN8_PTES; + index = __gen8_pte_index(start, 0); page_size = I915_GTT_PAGE_SIZE; if (!index && vma->page_sizes.sg & I915_GTT_PAGE_SIZE_64K && IS_ALIGNED(iter->dma, I915_GTT_PAGE_SIZE_64K) && (IS_ALIGNED(rem, I915_GTT_PAGE_SIZE_64K) || - rem >= (max - index) * I915_GTT_PAGE_SIZE)) - maybe_64K = true; + rem >= (I915_PDES - index) * I915_GTT_PAGE_SIZE)) + maybe_64K = __gen8_pte_index(start, 1); vaddr = kmap_atomic_px(pt); } @@ -1086,16 +1261,16 @@ static void gen8_ppgtt_insert_huge_entries(struct i915_vma *vma, iter->dma = sg_dma_address(iter->sg); iter->max = iter->dma + rem; - if (maybe_64K && index < max && + if (maybe_64K != -1 && index < I915_PDES && !(IS_ALIGNED(iter->dma, I915_GTT_PAGE_SIZE_64K) && (IS_ALIGNED(rem, I915_GTT_PAGE_SIZE_64K) || - rem >= (max - index) * I915_GTT_PAGE_SIZE))) - maybe_64K = false; + rem >= (I915_PDES - index) * I915_GTT_PAGE_SIZE))) + maybe_64K = -1; if (unlikely(!IS_ALIGNED(iter->dma, page_size))) break; } - } while (rem >= page_size && index < max); + } while (rem >= page_size && index < I915_PDES); kunmap_atomic(vaddr); @@ -1105,14 +1280,14 @@ static void gen8_ppgtt_insert_huge_entries(struct i915_vma *vma, * it and have reached the end of the sg table and we have * enough padding. */ - if (maybe_64K && - (index == max || + if (maybe_64K != -1 && + (index == I915_PDES || (i915_vm_has_scratch_64K(vma->vm) && !iter->sg && IS_ALIGNED(vma->node.start + vma->node.size, I915_GTT_PAGE_SIZE_2M)))) { vaddr = kmap_atomic_px(pd); - vaddr[idx.pde] |= GEN8_PDE_IPS_64K; + vaddr[maybe_64K] |= GEN8_PDE_IPS_64K; kunmap_atomic(vaddr); page_size = I915_GTT_PAGE_SIZE_64K; @@ -1128,9 +1303,8 @@ static void gen8_ppgtt_insert_huge_entries(struct i915_vma *vma, if (I915_SELFTEST_ONLY(vma->vm->scrub_64K)) { u16 i; - encode = vma->vm->scratch_pte; - vaddr = kmap_atomic_px(i915_pt_entry(pd, - idx.pde)); + encode = vma->vm->scratch[0].encode; + vaddr = kmap_atomic_px(i915_pt_entry(pd, maybe_64K)); for (i = 1; i < index; i += 16) memset64(vaddr + i, encode, 15); @@ -1156,32 +1330,22 @@ static void gen8_ppgtt_insert_4lvl(struct i915_address_space *vm, gen8_ppgtt_insert_huge_entries(vma, pml4, &iter, cache_level, flags); } else { - struct gen8_insert_pte idx = gen8_insert_pte(vma->node.start); + u64 idx = vma->node.start >> GEN8_PTE_SHIFT; - while (gen8_ppgtt_insert_pte_entries(ppgtt, - i915_pdp_entry(pml4, idx.pml4e++), - &iter, &idx, cache_level, - flags)) - GEM_BUG_ON(idx.pml4e >= GEN8_PML4ES_PER_PML4); + while ((idx = gen8_ppgtt_insert_pte_entries(ppgtt, + i915_pd_entry(pml4, gen8_pd_index(idx, 3)), + &iter, idx, cache_level, + flags))) + ; vma->page_sizes.gtt = I915_GTT_PAGE_SIZE; } } -static void gen8_free_page_tables(struct i915_address_space *vm, - struct i915_page_directory *pd) -{ - int i; - - for (i = 0; i < I915_PDES; i++) { - if (pd->entry[i] != vm->scratch_pt) - free_pt(vm, pd->entry[i]); - } -} - static int gen8_init_scratch(struct i915_address_space *vm) { int ret; + int i; /* * If everybody agrees to not to write into the scratch page, @@ -1195,10 +1359,8 @@ static int gen8_init_scratch(struct i915_address_space *vm) GEM_BUG_ON(!clone->has_read_only); vm->scratch_order = clone->scratch_order; - vm->scratch_pte = clone->scratch_pte; - vm->scratch_pt = clone->scratch_pt; - vm->scratch_pd = clone->scratch_pd; - vm->scratch_pdp = clone->scratch_pdp; + memcpy(vm->scratch, clone->scratch, sizeof(vm->scratch)); + px_dma(&vm->scratch[0]) = 0; /* no xfer of ownership */ return 0; } @@ -1206,377 +1368,88 @@ static int gen8_init_scratch(struct i915_address_space *vm) if (ret) return ret; - vm->scratch_pte = - gen8_pte_encode(vm->scratch_page.daddr, - I915_CACHE_LLC, - vm->has_read_only); + vm->scratch[0].encode = + gen8_pte_encode(px_dma(&vm->scratch[0]), + I915_CACHE_LLC, vm->has_read_only); - vm->scratch_pt = alloc_pt(vm); - if (IS_ERR(vm->scratch_pt)) { - ret = PTR_ERR(vm->scratch_pt); - goto free_scratch_page; - } + for (i = 1; i <= vm->top; i++) { + if (unlikely(setup_page_dma(vm, px_base(&vm->scratch[i])))) + goto free_scratch; - vm->scratch_pd = alloc_pd(vm); - if (IS_ERR(vm->scratch_pd)) { - ret = PTR_ERR(vm->scratch_pd); - goto free_pt; - } - - if (i915_vm_is_4lvl(vm)) { - vm->scratch_pdp = alloc_pd(vm); - if (IS_ERR(vm->scratch_pdp)) { - ret = PTR_ERR(vm->scratch_pdp); - goto free_pd; - } + fill_px(&vm->scratch[i], vm->scratch[i - 1].encode); + vm->scratch[i].encode = + gen8_pde_encode(px_dma(&vm->scratch[i]), + I915_CACHE_LLC); } - gen8_initialize_pt(vm, vm->scratch_pt); - init_pd_with_page(vm, vm->scratch_pd, vm->scratch_pt); - if (i915_vm_is_4lvl(vm)) - init_pd(vm, vm->scratch_pdp, vm->scratch_pd); - return 0; -free_pd: - free_pd(vm, vm->scratch_pd); -free_pt: - free_pt(vm, vm->scratch_pt); -free_scratch_page: - cleanup_scratch_page(vm); - - return ret; +free_scratch: + free_scratch(vm); + return -ENOMEM; } -static int gen8_ppgtt_notify_vgt(struct i915_ppgtt *ppgtt, bool create) +static int gen8_preallocate_top_level_pdp(struct i915_ppgtt *ppgtt) { struct i915_address_space *vm = &ppgtt->vm; - struct drm_i915_private *dev_priv = vm->i915; - enum vgt_g2v_type msg; - int i; + struct i915_page_directory *pd = ppgtt->pd; + unsigned int idx; - if (i915_vm_is_4lvl(vm)) { - const u64 daddr = px_dma(ppgtt->pd); + GEM_BUG_ON(vm->top != 2); + GEM_BUG_ON(gen8_pd_top_count(vm) != GEN8_3LVL_PDPES); - I915_WRITE(vgtif_reg(pdp[0].lo), lower_32_bits(daddr)); - I915_WRITE(vgtif_reg(pdp[0].hi), upper_32_bits(daddr)); + for (idx = 0; idx < GEN8_3LVL_PDPES; idx++) { + struct i915_page_directory *pde; - msg = (create ? VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE : - VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY); - } else { - for (i = 0; i < GEN8_3LVL_PDPES; i++) { - const u64 daddr = i915_page_dir_dma_addr(ppgtt, i); + pde = alloc_pd(vm); + if (IS_ERR(pde)) + return PTR_ERR(pde); - I915_WRITE(vgtif_reg(pdp[i].lo), lower_32_bits(daddr)); - I915_WRITE(vgtif_reg(pdp[i].hi), upper_32_bits(daddr)); - } - - msg = (create ? VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE : - VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY); + fill_px(pde, vm->scratch[1].encode); + set_pd_entry(pd, idx, pde); + atomic_inc(px_used(pde)); /* keep pinned */ } - I915_WRITE(vgtif_reg(g2v_notify), msg); - return 0; } -static void gen8_free_scratch(struct i915_address_space *vm) -{ - if (!vm->scratch_page.daddr) - return; - - if (i915_vm_is_4lvl(vm)) - free_pd(vm, vm->scratch_pdp); - free_pd(vm, vm->scratch_pd); - free_pt(vm, vm->scratch_pt); - cleanup_scratch_page(vm); -} - -static void gen8_ppgtt_cleanup_3lvl(struct i915_address_space *vm, - struct i915_page_directory *pdp) +static void ppgtt_init(struct i915_ppgtt *ppgtt, struct intel_gt *gt) { - const unsigned int pdpes = i915_pdpes_per_pdp(vm); - int i; - - for (i = 0; i < pdpes; i++) { - if (pdp->entry[i] == vm->scratch_pd) - continue; - - gen8_free_page_tables(vm, pdp->entry[i]); - free_pd(vm, pdp->entry[i]); - } - - free_pd(vm, pdp); -} - -static void gen8_ppgtt_cleanup_4lvl(struct i915_ppgtt *ppgtt) -{ - struct i915_page_directory * const pml4 = ppgtt->pd; - int i; - - for (i = 0; i < GEN8_PML4ES_PER_PML4; i++) { - struct i915_page_directory *pdp = i915_pdp_entry(pml4, i); - - if (pdp == ppgtt->vm.scratch_pdp) - continue; - - gen8_ppgtt_cleanup_3lvl(&ppgtt->vm, pdp); - } - - free_pd(&ppgtt->vm, pml4); -} - -static void gen8_ppgtt_cleanup(struct i915_address_space *vm) -{ - struct drm_i915_private *i915 = vm->i915; - struct i915_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); + struct drm_i915_private *i915 = gt->i915; - if (intel_vgpu_active(i915)) - gen8_ppgtt_notify_vgt(ppgtt, false); - - if (i915_vm_is_4lvl(vm)) - gen8_ppgtt_cleanup_4lvl(ppgtt); - else - gen8_ppgtt_cleanup_3lvl(&ppgtt->vm, ppgtt->pd); - - gen8_free_scratch(vm); -} - -static int gen8_ppgtt_alloc_pd(struct i915_address_space *vm, - struct i915_page_directory *pd, - u64 start, u64 length) -{ - struct i915_page_table *pt, *alloc = NULL; - u64 from = start; - unsigned int pde; - int ret = 0; - - spin_lock(&pd->lock); - gen8_for_each_pde(pt, pd, start, length, pde) { - const int count = gen8_pte_count(start, length); - - if (pt == vm->scratch_pt) { - spin_unlock(&pd->lock); - - pt = fetch_and_zero(&alloc); - if (!pt) - pt = alloc_pt(vm); - if (IS_ERR(pt)) { - ret = PTR_ERR(pt); - goto unwind; - } - - if (count < GEN8_PTES || intel_vgpu_active(vm->i915)) - gen8_initialize_pt(vm, pt); - - spin_lock(&pd->lock); - if (pd->entry[pde] == vm->scratch_pt) { - gen8_ppgtt_set_pde(vm, pd, pt, pde); - pd->entry[pde] = pt; - atomic_inc(&pd->used); - } else { - alloc = pt; - pt = pd->entry[pde]; - } - } - - atomic_add(count, &pt->used); - } - spin_unlock(&pd->lock); - goto out; - -unwind: - gen8_ppgtt_clear_pd(vm, pd, from, start - from); -out: - if (alloc) - free_pt(vm, alloc); - return ret; -} - -static int gen8_ppgtt_alloc_pdp(struct i915_address_space *vm, - struct i915_page_directory *pdp, - u64 start, u64 length) -{ - struct i915_page_directory *pd, *alloc = NULL; - u64 from = start; - unsigned int pdpe; - int ret = 0; - - spin_lock(&pdp->lock); - gen8_for_each_pdpe(pd, pdp, start, length, pdpe) { - if (pd == vm->scratch_pd) { - spin_unlock(&pdp->lock); - - pd = fetch_and_zero(&alloc); - if (!pd) - pd = alloc_pd(vm); - if (IS_ERR(pd)) { - ret = PTR_ERR(pd); - goto unwind; - } - - init_pd_with_page(vm, pd, vm->scratch_pt); - - spin_lock(&pdp->lock); - if (pdp->entry[pdpe] == vm->scratch_pd) { - gen8_ppgtt_set_pdpe(pdp, pd, pdpe); - pdp->entry[pdpe] = pd; - atomic_inc(&pdp->used); - } else { - alloc = pd; - pd = pdp->entry[pdpe]; - } - } - atomic_inc(&pd->used); - spin_unlock(&pdp->lock); - - ret = gen8_ppgtt_alloc_pd(vm, pd, start, length); - if (unlikely(ret)) - goto unwind_pd; - - spin_lock(&pdp->lock); - atomic_dec(&pd->used); - } - spin_unlock(&pdp->lock); - goto out; - -unwind_pd: - spin_lock(&pdp->lock); - if (atomic_dec_and_test(&pd->used)) { - gen8_ppgtt_set_pdpe(pdp, vm->scratch_pd, pdpe); - pdp->entry[pdpe] = vm->scratch_pd; - GEM_BUG_ON(!atomic_read(&pdp->used)); - atomic_dec(&pdp->used); - GEM_BUG_ON(alloc); - alloc = pd; /* defer the free to after the lock */ - } - spin_unlock(&pdp->lock); -unwind: - gen8_ppgtt_clear_pdp(vm, pdp, from, start - from); -out: - if (alloc) - free_pd(vm, alloc); - return ret; -} - -static int gen8_ppgtt_alloc_3lvl(struct i915_address_space *vm, - u64 start, u64 length) -{ - return gen8_ppgtt_alloc_pdp(vm, - i915_vm_to_ppgtt(vm)->pd, start, length); -} - -static int gen8_ppgtt_alloc_4lvl(struct i915_address_space *vm, - u64 start, u64 length) -{ - struct i915_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); - struct i915_page_directory * const pml4 = ppgtt->pd; - struct i915_page_directory *pdp, *alloc = NULL; - u64 from = start; - int ret = 0; - u32 pml4e; - - spin_lock(&pml4->lock); - gen8_for_each_pml4e(pdp, pml4, start, length, pml4e) { - if (pdp == vm->scratch_pdp) { - spin_unlock(&pml4->lock); - - pdp = fetch_and_zero(&alloc); - if (!pdp) - pdp = alloc_pd(vm); - if (IS_ERR(pdp)) { - ret = PTR_ERR(pdp); - goto unwind; - } - - init_pd(vm, pdp, vm->scratch_pd); - - spin_lock(&pml4->lock); - if (pml4->entry[pml4e] == vm->scratch_pdp) { - gen8_ppgtt_set_pml4e(pml4, pdp, pml4e); - pml4->entry[pml4e] = pdp; - } else { - alloc = pdp; - pdp = pml4->entry[pml4e]; - } - } - atomic_inc(&pdp->used); - spin_unlock(&pml4->lock); - - ret = gen8_ppgtt_alloc_pdp(vm, pdp, start, length); - if (unlikely(ret)) - goto unwind_pdp; + ppgtt->vm.gt = gt; + ppgtt->vm.i915 = i915; + ppgtt->vm.dma = &i915->drm.pdev->dev; + ppgtt->vm.total = BIT_ULL(INTEL_INFO(i915)->ppgtt_size); - spin_lock(&pml4->lock); - atomic_dec(&pdp->used); - } - spin_unlock(&pml4->lock); - goto out; + i915_address_space_init(&ppgtt->vm, VM_CLASS_PPGTT); -unwind_pdp: - spin_lock(&pml4->lock); - if (atomic_dec_and_test(&pdp->used)) { - gen8_ppgtt_set_pml4e(pml4, vm->scratch_pdp, pml4e); - pml4->entry[pml4e] = vm->scratch_pdp; - GEM_BUG_ON(alloc); - alloc = pdp; /* defer the free until after the lock */ - } - spin_unlock(&pml4->lock); -unwind: - gen8_ppgtt_clear_4lvl(vm, from, start - from); -out: - if (alloc) - free_pd(vm, alloc); - return ret; + ppgtt->vm.vma_ops.bind_vma = ppgtt_bind_vma; + ppgtt->vm.vma_ops.unbind_vma = ppgtt_unbind_vma; + ppgtt->vm.vma_ops.set_pages = ppgtt_set_pages; + ppgtt->vm.vma_ops.clear_pages = clear_pages; } -static int gen8_preallocate_top_level_pdp(struct i915_ppgtt *ppgtt) +static struct i915_page_directory * +gen8_alloc_top_pd(struct i915_address_space *vm) { - struct i915_address_space *vm = &ppgtt->vm; - struct i915_page_directory *pdp = ppgtt->pd; + const unsigned int count = gen8_pd_top_count(vm); struct i915_page_directory *pd; - u64 start = 0, length = ppgtt->vm.total; - u64 from = start; - unsigned int pdpe; - gen8_for_each_pdpe(pd, pdp, start, length, pdpe) { - pd = alloc_pd(vm); - if (IS_ERR(pd)) - goto unwind; + GEM_BUG_ON(count > ARRAY_SIZE(pd->entry)); - init_pd_with_page(vm, pd, vm->scratch_pt); - gen8_ppgtt_set_pdpe(pdp, pd, pdpe); - - atomic_inc(&pdp->used); - } - - atomic_inc(&pdp->used); /* never remove */ - - return 0; + pd = __alloc_pd(offsetof(typeof(*pd), entry[count])); + if (unlikely(!pd)) + return ERR_PTR(-ENOMEM); -unwind: - start -= from; - gen8_for_each_pdpe(pd, pdp, from, start, pdpe) { - gen8_ppgtt_set_pdpe(pdp, vm->scratch_pd, pdpe); - free_pd(vm, pd); + if (unlikely(setup_page_dma(vm, px_base(pd)))) { + kfree(pd); + return ERR_PTR(-ENOMEM); } - atomic_set(&pdp->used, 0); - return -ENOMEM; -} -static void ppgtt_init(struct drm_i915_private *i915, - struct i915_ppgtt *ppgtt) -{ - ppgtt->vm.i915 = i915; - ppgtt->vm.dma = &i915->drm.pdev->dev; - ppgtt->vm.total = BIT_ULL(INTEL_INFO(i915)->ppgtt_size); - - i915_address_space_init(&ppgtt->vm, VM_CLASS_PPGTT); - - ppgtt->vm.vma_ops.bind_vma = ppgtt_bind_vma; - ppgtt->vm.vma_ops.unbind_vma = ppgtt_unbind_vma; - ppgtt->vm.vma_ops.set_pages = ppgtt_set_pages; - ppgtt->vm.vma_ops.clear_pages = clear_pages; + fill_page_dma(px_base(pd), vm->scratch[vm->top].encode, count); + atomic_inc(px_used(pd)); /* mark as pinned */ + return pd; } /* @@ -1595,7 +1468,8 @@ static struct i915_ppgtt *gen8_ppgtt_create(struct drm_i915_private *i915) if (!ppgtt) return ERR_PTR(-ENOMEM); - ppgtt_init(i915, ppgtt); + ppgtt_init(ppgtt, &i915->gt); + ppgtt->vm.top = i915_vm_is_4lvl(&ppgtt->vm) ? 3 : 2; /* * From bdw, there is hw support for read-only pages in the PPGTT. @@ -1615,41 +1489,27 @@ static struct i915_ppgtt *gen8_ppgtt_create(struct drm_i915_private *i915) if (err) goto err_free; - ppgtt->pd = __alloc_pd(); - if (!ppgtt->pd) { - err = -ENOMEM; + ppgtt->pd = gen8_alloc_top_pd(&ppgtt->vm); + if (IS_ERR(ppgtt->pd)) { + err = PTR_ERR(ppgtt->pd); goto err_free_scratch; } if (i915_vm_is_4lvl(&ppgtt->vm)) { - err = setup_px(&ppgtt->vm, ppgtt->pd); - if (err) - goto err_free_pdp; - - init_pd(&ppgtt->vm, ppgtt->pd, ppgtt->vm.scratch_pdp); - - ppgtt->vm.allocate_va_range = gen8_ppgtt_alloc_4lvl; ppgtt->vm.insert_entries = gen8_ppgtt_insert_4lvl; - ppgtt->vm.clear_range = gen8_ppgtt_clear_4lvl; } else { - /* - * We don't need to setup dma for top level pdp, only - * for entries. So point entries to scratch. - */ - memset_p(ppgtt->pd->entry, ppgtt->vm.scratch_pd, - GEN8_3LVL_PDPES); - if (intel_vgpu_active(i915)) { err = gen8_preallocate_top_level_pdp(ppgtt); if (err) - goto err_free_pdp; + goto err_free_pd; } - ppgtt->vm.allocate_va_range = gen8_ppgtt_alloc_3lvl; ppgtt->vm.insert_entries = gen8_ppgtt_insert_3lvl; - ppgtt->vm.clear_range = gen8_ppgtt_clear_3lvl; } + ppgtt->vm.allocate_va_range = gen8_ppgtt_alloc; + ppgtt->vm.clear_range = gen8_ppgtt_clear; + if (intel_vgpu_active(i915)) gen8_ppgtt_notify_vgt(ppgtt, true); @@ -1657,10 +1517,11 @@ static struct i915_ppgtt *gen8_ppgtt_create(struct drm_i915_private *i915) return ppgtt; -err_free_pdp: - free_pd(&ppgtt->vm, ppgtt->pd); +err_free_pd: + __gen8_ppgtt_cleanup(&ppgtt->vm, ppgtt->pd, + gen8_pd_top_count(&ppgtt->vm), ppgtt->vm.top); err_free_scratch: - gen8_free_scratch(&ppgtt->vm); + free_scratch(&ppgtt->vm); err_free: kfree(ppgtt); return ERR_PTR(err); @@ -1676,25 +1537,26 @@ static inline void gen6_write_pde(const struct gen6_ppgtt *ppgtt, ppgtt->pd_addr + pde); } -static void gen7_ppgtt_enable(struct drm_i915_private *dev_priv) +static void gen7_ppgtt_enable(struct intel_gt *gt) { + struct drm_i915_private *i915 = gt->i915; + struct intel_uncore *uncore = gt->uncore; struct intel_engine_cs *engine; - u32 ecochk, ecobits; enum intel_engine_id id; + u32 ecochk; - ecobits = I915_READ(GAC_ECO_BITS); - I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B); + intel_uncore_rmw(uncore, GAC_ECO_BITS, 0, ECOBITS_PPGTT_CACHE64B); - ecochk = I915_READ(GAM_ECOCHK); - if (IS_HASWELL(dev_priv)) { + ecochk = intel_uncore_read(uncore, GAM_ECOCHK); + if (IS_HASWELL(i915)) { ecochk |= ECOCHK_PPGTT_WB_HSW; } else { ecochk |= ECOCHK_PPGTT_LLC_IVB; ecochk &= ~ECOCHK_PPGTT_GFDT_IVB; } - I915_WRITE(GAM_ECOCHK, ecochk); + intel_uncore_write(uncore, GAM_ECOCHK, ecochk); - for_each_engine(engine, dev_priv, id) { + for_each_engine(engine, i915, id) { /* GFX_MODE is per-ring on gen7+ */ ENGINE_WRITE(engine, RING_MODE_GEN7, @@ -1702,22 +1564,29 @@ static void gen7_ppgtt_enable(struct drm_i915_private *dev_priv) } } -static void gen6_ppgtt_enable(struct drm_i915_private *dev_priv) +static void gen6_ppgtt_enable(struct intel_gt *gt) { - u32 ecochk, gab_ctl, ecobits; + struct intel_uncore *uncore = gt->uncore; - ecobits = I915_READ(GAC_ECO_BITS); - I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT | - ECOBITS_PPGTT_CACHE64B); + intel_uncore_rmw(uncore, + GAC_ECO_BITS, + 0, + ECOBITS_SNB_BIT | ECOBITS_PPGTT_CACHE64B); - gab_ctl = I915_READ(GAB_CTL); - I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT); + intel_uncore_rmw(uncore, + GAB_CTL, + 0, + GAB_CTL_CONT_AFTER_PAGEFAULT); - ecochk = I915_READ(GAM_ECOCHK); - I915_WRITE(GAM_ECOCHK, ecochk | ECOCHK_SNB_BIT | ECOCHK_PPGTT_CACHE64B); + intel_uncore_rmw(uncore, + GAM_ECOCHK, + 0, + ECOCHK_SNB_BIT | ECOCHK_PPGTT_CACHE64B); - if (HAS_PPGTT(dev_priv)) /* may be disabled for VT-d */ - I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)); + if (HAS_PPGTT(uncore->i915)) /* may be disabled for VT-d */ + intel_uncore_write(uncore, + GFX_MODE, + _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)); } /* PPGTT support for Sandybdrige/Gen6 and later */ @@ -1726,7 +1595,7 @@ static void gen6_ppgtt_clear_range(struct i915_address_space *vm, { struct gen6_ppgtt * const ppgtt = to_gen6_ppgtt(i915_vm_to_ppgtt(vm)); const unsigned int first_entry = start / I915_GTT_PAGE_SIZE; - const gen6_pte_t scratch_pte = vm->scratch_pte; + const gen6_pte_t scratch_pte = vm->scratch[0].encode; unsigned int pde = first_entry / GEN6_PTES; unsigned int pte = first_entry % GEN6_PTES; unsigned int num_entries = length / I915_GTT_PAGE_SIZE; @@ -1737,7 +1606,7 @@ static void gen6_ppgtt_clear_range(struct i915_address_space *vm, const unsigned int count = min(num_entries, GEN6_PTES - pte); gen6_pte_t *vaddr; - GEM_BUG_ON(pt == vm->scratch_pt); + GEM_BUG_ON(px_base(pt) == px_base(&vm->scratch[1])); num_entries -= count; @@ -1774,7 +1643,7 @@ static void gen6_ppgtt_insert_entries(struct i915_address_space *vm, struct sgt_dma iter = sgt_dma(vma); gen6_pte_t *vaddr; - GEM_BUG_ON(i915_pt_entry(pd, act_pt) == vm->scratch_pt); + GEM_BUG_ON(pd->entry[act_pt] == &vm->scratch[1]); vaddr = kmap_atomic_px(i915_pt_entry(pd, act_pt)); do { @@ -1819,7 +1688,7 @@ static int gen6_alloc_va_range(struct i915_address_space *vm, gen6_for_each_pde(pt, pd, start, length, pde) { const unsigned int count = gen6_pte_count(start, length); - if (pt == vm->scratch_pt) { + if (px_base(pt) == px_base(&vm->scratch[1])) { spin_unlock(&pd->lock); pt = fetch_and_zero(&alloc); @@ -1830,10 +1699,10 @@ static int gen6_alloc_va_range(struct i915_address_space *vm, goto unwind_out; } - gen6_initialize_pt(vm, pt); + fill32_px(pt, vm->scratch[0].encode); spin_lock(&pd->lock); - if (pd->entry[pde] == vm->scratch_pt) { + if (pd->entry[pde] == &vm->scratch[1]) { pd->entry[pde] = pt; if (i915_vma_is_bound(ppgtt->vma, I915_VMA_GLOBAL_BIND)) { @@ -1852,7 +1721,7 @@ static int gen6_alloc_va_range(struct i915_address_space *vm, if (flush) { mark_tlbs_dirty(&ppgtt->base); - gen6_ggtt_invalidate(vm->i915); + gen6_ggtt_invalidate(vm->gt->ggtt); } goto out; @@ -1861,7 +1730,7 @@ unwind_out: gen6_ppgtt_clear_range(vm, from, start - from); out: if (alloc) - free_pt(vm, alloc); + free_px(vm, alloc); intel_runtime_pm_put(&vm->i915->runtime_pm, wakeref); return ret; } @@ -1870,108 +1739,52 @@ static int gen6_ppgtt_init_scratch(struct gen6_ppgtt *ppgtt) { struct i915_address_space * const vm = &ppgtt->base.vm; struct i915_page_directory * const pd = ppgtt->base.pd; - struct i915_page_table *unused; - u32 pde; int ret; ret = setup_scratch_page(vm, __GFP_HIGHMEM); if (ret) return ret; - vm->scratch_pte = vm->pte_encode(vm->scratch_page.daddr, - I915_CACHE_NONE, - PTE_READ_ONLY); + vm->scratch[0].encode = + vm->pte_encode(px_dma(&vm->scratch[0]), + I915_CACHE_NONE, PTE_READ_ONLY); - vm->scratch_pt = alloc_pt(vm); - if (IS_ERR(vm->scratch_pt)) { + if (unlikely(setup_page_dma(vm, px_base(&vm->scratch[1])))) { cleanup_scratch_page(vm); - return PTR_ERR(vm->scratch_pt); + return -ENOMEM; } - gen6_initialize_pt(vm, vm->scratch_pt); - - gen6_for_all_pdes(unused, pd, pde) - pd->entry[pde] = vm->scratch_pt; + fill32_px(&vm->scratch[1], vm->scratch[0].encode); + memset_p(pd->entry, &vm->scratch[1], I915_PDES); return 0; } -static void gen6_ppgtt_free_scratch(struct i915_address_space *vm) -{ - free_pt(vm, vm->scratch_pt); - cleanup_scratch_page(vm); -} - static void gen6_ppgtt_free_pd(struct gen6_ppgtt *ppgtt) { struct i915_page_directory * const pd = ppgtt->base.pd; + struct i915_page_dma * const scratch = + px_base(&ppgtt->base.vm.scratch[1]); struct i915_page_table *pt; u32 pde; gen6_for_all_pdes(pt, pd, pde) - if (pt != ppgtt->base.vm.scratch_pt) - free_pt(&ppgtt->base.vm, pt); -} - -struct gen6_ppgtt_cleanup_work { - struct work_struct base; - struct i915_vma *vma; -}; - -static void gen6_ppgtt_cleanup_work(struct work_struct *wrk) -{ - struct gen6_ppgtt_cleanup_work *work = - container_of(wrk, typeof(*work), base); - /* Side note, vma->vm is the GGTT not the ppgtt we just destroyed! */ - struct drm_i915_private *i915 = work->vma->vm->i915; - - mutex_lock(&i915->drm.struct_mutex); - i915_vma_destroy(work->vma); - mutex_unlock(&i915->drm.struct_mutex); - - kfree(work); -} - -static int nop_set_pages(struct i915_vma *vma) -{ - return -ENODEV; + if (px_base(pt) != scratch) + free_px(&ppgtt->base.vm, pt); } -static void nop_clear_pages(struct i915_vma *vma) -{ -} - -static int nop_bind(struct i915_vma *vma, - enum i915_cache_level cache_level, - u32 unused) -{ - return -ENODEV; -} - -static void nop_unbind(struct i915_vma *vma) -{ -} - -static const struct i915_vma_ops nop_vma_ops = { - .set_pages = nop_set_pages, - .clear_pages = nop_clear_pages, - .bind_vma = nop_bind, - .unbind_vma = nop_unbind, -}; - static void gen6_ppgtt_cleanup(struct i915_address_space *vm) { struct gen6_ppgtt *ppgtt = to_gen6_ppgtt(i915_vm_to_ppgtt(vm)); - struct gen6_ppgtt_cleanup_work *work = ppgtt->work; + struct drm_i915_private *i915 = vm->i915; /* FIXME remove the struct_mutex to bring the locking under control */ - INIT_WORK(&work->base, gen6_ppgtt_cleanup_work); - work->vma = ppgtt->vma; - work->vma->ops = &nop_vma_ops; - schedule_work(&work->base); + mutex_lock(&i915->drm.struct_mutex); + i915_vma_destroy(ppgtt->vma); + mutex_unlock(&i915->drm.struct_mutex); gen6_ppgtt_free_pd(ppgtt); - gen6_ppgtt_free_scratch(vm); + free_scratch(vm); kfree(ppgtt->base.pd); } @@ -1998,14 +1811,14 @@ static int pd_vma_bind(struct i915_vma *vma, struct i915_page_table *pt; unsigned int pde; - ppgtt->base.pd->base.ggtt_offset = ggtt_offset * sizeof(gen6_pte_t); + px_base(ppgtt->base.pd)->ggtt_offset = ggtt_offset * sizeof(gen6_pte_t); ppgtt->pd_addr = (gen6_pte_t __iomem *)ggtt->gsm + ggtt_offset; gen6_for_all_pdes(pt, ppgtt->base.pd, pde) gen6_write_pde(ppgtt, pde, pt); mark_tlbs_dirty(&ppgtt->base); - gen6_ggtt_invalidate(ppgtt->base.vm.i915); + gen6_ggtt_invalidate(ggtt); return 0; } @@ -2014,7 +1827,8 @@ static void pd_vma_unbind(struct i915_vma *vma) { struct gen6_ppgtt *ppgtt = vma->private; struct i915_page_directory * const pd = ppgtt->base.pd; - struct i915_page_table * const scratch_pt = ppgtt->base.vm.scratch_pt; + struct i915_page_dma * const scratch = + px_base(&ppgtt->base.vm.scratch[1]); struct i915_page_table *pt; unsigned int pde; @@ -2023,11 +1837,11 @@ static void pd_vma_unbind(struct i915_vma *vma) /* Free all no longer used page tables */ gen6_for_all_pdes(pt, ppgtt->base.pd, pde) { - if (atomic_read(&pt->used) || pt == scratch_pt) + if (px_base(pt) == scratch || atomic_read(&pt->used)) continue; - free_pt(&ppgtt->base.vm, pt); - pd->entry[pde] = scratch_pt; + free_px(&ppgtt->base.vm, pt); + pd->entry[pde] = scratch; } ppgtt->scan_for_unused_pt = false; @@ -2043,7 +1857,7 @@ static const struct i915_vma_ops pd_vma_ops = { static struct i915_vma *pd_vma_create(struct gen6_ppgtt *ppgtt, int size) { struct drm_i915_private *i915 = ppgtt->base.vm.i915; - struct i915_ggtt *ggtt = &i915->ggtt; + struct i915_ggtt *ggtt = ppgtt->base.vm.gt->ggtt; struct i915_vma *vma; GEM_BUG_ON(!IS_ALIGNED(size, I915_GTT_PAGE_SIZE)); @@ -2053,7 +1867,7 @@ static struct i915_vma *pd_vma_create(struct gen6_ppgtt *ppgtt, int size) if (!vma) return ERR_PTR(-ENOMEM); - i915_active_init(i915, &vma->active, NULL); + i915_active_init(i915, &vma->active, NULL, NULL); INIT_ACTIVE_REQUEST(&vma->last_fence); vma->vm = &ggtt->vm; @@ -2141,7 +1955,8 @@ static struct i915_ppgtt *gen6_ppgtt_create(struct drm_i915_private *i915) if (!ppgtt) return ERR_PTR(-ENOMEM); - ppgtt_init(i915, &ppgtt->base); + ppgtt_init(&ppgtt->base, &i915->gt); + ppgtt->base.vm.top = 1; ppgtt->base.vm.allocate_va_range = gen6_alloc_va_range; ppgtt->base.vm.clear_range = gen6_ppgtt_clear_range; @@ -2150,16 +1965,10 @@ static struct i915_ppgtt *gen6_ppgtt_create(struct drm_i915_private *i915) ppgtt->base.vm.pte_encode = ggtt->vm.pte_encode; - ppgtt->work = kmalloc(sizeof(*ppgtt->work), GFP_KERNEL); - if (!ppgtt->work) { - err = -ENOMEM; - goto err_free; - } - - ppgtt->base.pd = __alloc_pd(); + ppgtt->base.pd = __alloc_pd(sizeof(*ppgtt->base.pd)); if (!ppgtt->base.pd) { err = -ENOMEM; - goto err_work; + goto err_free; } err = gen6_ppgtt_init_scratch(ppgtt); @@ -2175,31 +1984,40 @@ static struct i915_ppgtt *gen6_ppgtt_create(struct drm_i915_private *i915) return &ppgtt->base; err_scratch: - gen6_ppgtt_free_scratch(&ppgtt->base.vm); + free_scratch(&ppgtt->base.vm); err_pd: kfree(ppgtt->base.pd); -err_work: - kfree(ppgtt->work); err_free: kfree(ppgtt); return ERR_PTR(err); } -static void gtt_write_workarounds(struct drm_i915_private *dev_priv) +static void gtt_write_workarounds(struct intel_gt *gt) { + struct drm_i915_private *i915 = gt->i915; + struct intel_uncore *uncore = gt->uncore; + /* This function is for gtt related workarounds. This function is * called on driver load and after a GPU reset, so you can place * workarounds here even if they get overwritten by GPU reset. */ /* WaIncreaseDefaultTLBEntries:chv,bdw,skl,bxt,kbl,glk,cfl,cnl,icl */ - if (IS_BROADWELL(dev_priv)) - I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_BDW); - else if (IS_CHERRYVIEW(dev_priv)) - I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_CHV); - else if (IS_GEN9_LP(dev_priv)) - I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT); - else if (INTEL_GEN(dev_priv) >= 9) - I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_SKL); + if (IS_BROADWELL(i915)) + intel_uncore_write(uncore, + GEN8_L3_LRA_1_GPGPU, + GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_BDW); + else if (IS_CHERRYVIEW(i915)) + intel_uncore_write(uncore, + GEN8_L3_LRA_1_GPGPU, + GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_CHV); + else if (IS_GEN9_LP(i915)) + intel_uncore_write(uncore, + GEN8_L3_LRA_1_GPGPU, + GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT); + else if (INTEL_GEN(i915) >= 9) + intel_uncore_write(uncore, + GEN8_L3_LRA_1_GPGPU, + GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_SKL); /* * To support 64K PTEs we need to first enable the use of the @@ -2212,21 +2030,24 @@ static void gtt_write_workarounds(struct drm_i915_private *dev_priv) * 32K pages, but we don't currently have any support for it in our * driver. */ - if (HAS_PAGE_SIZES(dev_priv, I915_GTT_PAGE_SIZE_64K) && - INTEL_GEN(dev_priv) <= 10) - I915_WRITE(GEN8_GAMW_ECO_DEV_RW_IA, - I915_READ(GEN8_GAMW_ECO_DEV_RW_IA) | - GAMW_ECO_ENABLE_64K_IPS_FIELD); + if (HAS_PAGE_SIZES(i915, I915_GTT_PAGE_SIZE_64K) && + INTEL_GEN(i915) <= 10) + intel_uncore_rmw(uncore, + GEN8_GAMW_ECO_DEV_RW_IA, + 0, + GAMW_ECO_ENABLE_64K_IPS_FIELD); } -int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv) +int i915_ppgtt_init_hw(struct intel_gt *gt) { - gtt_write_workarounds(dev_priv); + struct drm_i915_private *i915 = gt->i915; - if (IS_GEN(dev_priv, 6)) - gen6_ppgtt_enable(dev_priv); - else if (IS_GEN(dev_priv, 7)) - gen7_ppgtt_enable(dev_priv); + gtt_write_workarounds(gt); + + if (IS_GEN(i915, 6)) + gen6_ppgtt_enable(gt); + else if (IS_GEN(i915, 7)) + gen7_ppgtt_enable(gt); return 0; } @@ -2254,42 +2075,6 @@ i915_ppgtt_create(struct drm_i915_private *i915) return ppgtt; } -static void ppgtt_destroy_vma(struct i915_address_space *vm) -{ - struct list_head *phases[] = { - &vm->bound_list, - &vm->unbound_list, - NULL, - }, **phase; - - vm->closed = true; - for (phase = phases; *phase; phase++) { - struct i915_vma *vma, *vn; - - list_for_each_entry_safe(vma, vn, *phase, vm_link) - i915_vma_destroy(vma); - } -} - -void i915_vm_release(struct kref *kref) -{ - struct i915_address_space *vm = - container_of(kref, struct i915_address_space, ref); - - GEM_BUG_ON(i915_is_ggtt(vm)); - trace_i915_ppgtt_release(vm); - - ppgtt_destroy_vma(vm); - - GEM_BUG_ON(!list_empty(&vm->bound_list)); - GEM_BUG_ON(!list_empty(&vm->unbound_list)); - - vm->cleanup(vm); - i915_address_space_fini(vm); - - kfree(vm); -} - /* Certain Gen5 chipsets require require idling the GPU before * unmapping anything from the GTT when VT-d is enabled. */ @@ -2301,21 +2086,26 @@ static bool needs_idle_maps(struct drm_i915_private *dev_priv) return IS_GEN(dev_priv, 5) && IS_MOBILE(dev_priv) && intel_vtd_active(); } -void i915_gem_suspend_gtt_mappings(struct drm_i915_private *dev_priv) +static void ggtt_suspend_mappings(struct i915_ggtt *ggtt) { - struct i915_ggtt *ggtt = &dev_priv->ggtt; + struct drm_i915_private *i915 = ggtt->vm.i915; /* Don't bother messing with faults pre GEN6 as we have little * documentation supporting that it's a good idea. */ - if (INTEL_GEN(dev_priv) < 6) + if (INTEL_GEN(i915) < 6) return; - i915_check_and_clear_faults(dev_priv); + intel_gt_check_and_clear_faults(ggtt->vm.gt); ggtt->vm.clear_range(&ggtt->vm, 0, ggtt->vm.total); - i915_ggtt_invalidate(dev_priv); + ggtt->invalidate(ggtt); +} + +void i915_gem_suspend_gtt_mappings(struct drm_i915_private *i915) +{ + ggtt_suspend_mappings(&i915->ggtt); } int i915_gem_gtt_prepare_pages(struct drm_i915_gem_object *obj, @@ -2361,7 +2151,7 @@ static void gen8_ggtt_insert_page(struct i915_address_space *vm, gen8_set_pte(pte, gen8_pte_encode(addr, level, 0)); - ggtt->invalidate(vm->i915); + ggtt->invalidate(ggtt); } static void gen8_ggtt_insert_entries(struct i915_address_space *vm, @@ -2389,7 +2179,7 @@ static void gen8_ggtt_insert_entries(struct i915_address_space *vm, * We want to flush the TLBs only after we're certain all the PTE * updates have finished. */ - ggtt->invalidate(vm->i915); + ggtt->invalidate(ggtt); } static void gen6_ggtt_insert_page(struct i915_address_space *vm, @@ -2404,7 +2194,7 @@ static void gen6_ggtt_insert_page(struct i915_address_space *vm, iowrite32(vm->pte_encode(addr, level, flags), pte); - ggtt->invalidate(vm->i915); + ggtt->invalidate(ggtt); } /* @@ -2430,7 +2220,7 @@ static void gen6_ggtt_insert_entries(struct i915_address_space *vm, * We want to flush the TLBs only after we're certain all the PTE * updates have finished. */ - ggtt->invalidate(vm->i915); + ggtt->invalidate(ggtt); } static void nop_clear_range(struct i915_address_space *vm, @@ -2444,7 +2234,7 @@ static void gen8_ggtt_clear_range(struct i915_address_space *vm, struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm); unsigned first_entry = start / I915_GTT_PAGE_SIZE; unsigned num_entries = length / I915_GTT_PAGE_SIZE; - const gen8_pte_t scratch_pte = vm->scratch_pte; + const gen8_pte_t scratch_pte = vm->scratch[0].encode; gen8_pte_t __iomem *gtt_base = (gen8_pte_t __iomem *)ggtt->gsm + first_entry; const int max_entries = ggtt_total_entries(ggtt) - first_entry; @@ -2569,8 +2359,7 @@ static void gen6_ggtt_clear_range(struct i915_address_space *vm, first_entry, num_entries, max_entries)) num_entries = max_entries; - scratch_pte = vm->scratch_pte; - + scratch_pte = vm->scratch[0].encode; for (i = 0; i < num_entries; i++) iowrite32(scratch_pte, >t_base[i]); } @@ -2657,18 +2446,18 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma, pte_flags |= PTE_READ_ONLY; if (flags & I915_VMA_LOCAL_BIND) { - struct i915_ppgtt *appgtt = i915->mm.aliasing_ppgtt; + struct i915_ppgtt *alias = i915_vm_to_ggtt(vma->vm)->alias; if (!(vma->flags & I915_VMA_LOCAL_BIND)) { - ret = appgtt->vm.allocate_va_range(&appgtt->vm, - vma->node.start, - vma->size); + ret = alias->vm.allocate_va_range(&alias->vm, + vma->node.start, + vma->size); if (ret) return ret; } - appgtt->vm.insert_entries(&appgtt->vm, vma, cache_level, - pte_flags); + alias->vm.insert_entries(&alias->vm, vma, + cache_level, pte_flags); } if (flags & I915_VMA_GLOBAL_BIND) { @@ -2696,7 +2485,8 @@ static void aliasing_gtt_unbind_vma(struct i915_vma *vma) } if (vma->flags & I915_VMA_LOCAL_BIND) { - struct i915_address_space *vm = &i915->mm.aliasing_ppgtt->vm; + struct i915_address_space *vm = + &i915_vm_to_ggtt(vma->vm)->alias->vm; vm->clear_range(vm, vma->node.start, vma->size); } @@ -2753,13 +2543,12 @@ static void i915_gtt_color_adjust(const struct drm_mm_node *node, *end -= I915_GTT_PAGE_SIZE; } -static int init_aliasing_ppgtt(struct drm_i915_private *i915) +static int init_aliasing_ppgtt(struct i915_ggtt *ggtt) { - struct i915_ggtt *ggtt = &i915->ggtt; struct i915_ppgtt *ppgtt; int err; - ppgtt = i915_ppgtt_create(i915); + ppgtt = i915_ppgtt_create(ggtt->vm.i915); if (IS_ERR(ppgtt)) return PTR_ERR(ppgtt); @@ -2778,7 +2567,7 @@ static int init_aliasing_ppgtt(struct drm_i915_private *i915) if (err) goto err_ppgtt; - i915->mm.aliasing_ppgtt = ppgtt; + ggtt->alias = ppgtt; GEM_BUG_ON(ggtt->vm.vma_ops.bind_vma != ggtt_bind_vma); ggtt->vm.vma_ops.bind_vma = aliasing_gtt_bind_vma; @@ -2793,19 +2582,24 @@ err_ppgtt: return err; } -static void fini_aliasing_ppgtt(struct drm_i915_private *i915) +static void fini_aliasing_ppgtt(struct i915_ggtt *ggtt) { - struct i915_ggtt *ggtt = &i915->ggtt; + struct drm_i915_private *i915 = ggtt->vm.i915; struct i915_ppgtt *ppgtt; - ppgtt = fetch_and_zero(&i915->mm.aliasing_ppgtt); + mutex_lock(&i915->drm.struct_mutex); + + ppgtt = fetch_and_zero(&ggtt->alias); if (!ppgtt) - return; + goto out; i915_vm_put(&ppgtt->vm); ggtt->vm.vma_ops.bind_vma = ggtt_bind_vma; ggtt->vm.vma_ops.unbind_vma = ggtt_unbind_vma; + +out: + mutex_unlock(&i915->drm.struct_mutex); } static int ggtt_reserve_guc_top(struct i915_ggtt *ggtt) @@ -2834,7 +2628,13 @@ static void ggtt_release_guc_top(struct i915_ggtt *ggtt) drm_mm_remove_node(&ggtt->uc_fw); } -int i915_gem_init_ggtt(struct drm_i915_private *dev_priv) +static void cleanup_init_ggtt(struct i915_ggtt *ggtt) +{ + ggtt_release_guc_top(ggtt); + drm_mm_remove_node(&ggtt->error_capture); +} + +static int init_ggtt(struct i915_ggtt *ggtt) { /* Let GEM Manage all of the aperture. * @@ -2845,7 +2645,6 @@ int i915_gem_init_ggtt(struct drm_i915_private *dev_priv) * aperture. One page should be enough to keep any prefetching inside * of the aperture. */ - struct i915_ggtt *ggtt = &dev_priv->ggtt; unsigned long hole_start, hole_end; struct drm_mm_node *entry; int ret; @@ -2857,9 +2656,9 @@ int i915_gem_init_ggtt(struct drm_i915_private *dev_priv) * why. */ ggtt->pin_bias = max_t(u32, I915_GTT_PAGE_SIZE, - intel_wopcm_guc_size(&dev_priv->wopcm)); + intel_wopcm_guc_size(&ggtt->vm.i915->wopcm)); - ret = intel_vgt_balloon(dev_priv); + ret = intel_vgt_balloon(ggtt); if (ret) return ret; @@ -2878,7 +2677,7 @@ int i915_gem_init_ggtt(struct drm_i915_private *dev_priv) */ ret = ggtt_reserve_guc_top(ggtt); if (ret) - goto err_reserve; + goto err; /* Clear any non-preallocated blocks */ drm_mm_for_each_hole(entry, &ggtt->vm.mm, hole_start, hole_end) { @@ -2891,35 +2690,41 @@ int i915_gem_init_ggtt(struct drm_i915_private *dev_priv) /* And finally clear the reserved guard page */ ggtt->vm.clear_range(&ggtt->vm, ggtt->vm.total - PAGE_SIZE, PAGE_SIZE); - if (INTEL_PPGTT(dev_priv) == INTEL_PPGTT_ALIASING) { - ret = init_aliasing_ppgtt(dev_priv); + return 0; + +err: + cleanup_init_ggtt(ggtt); + return ret; +} + +int i915_init_ggtt(struct drm_i915_private *i915) +{ + int ret; + + ret = init_ggtt(&i915->ggtt); + if (ret) + return ret; + + if (INTEL_PPGTT(i915) == INTEL_PPGTT_ALIASING) { + ret = init_aliasing_ppgtt(&i915->ggtt); if (ret) - goto err_appgtt; + cleanup_init_ggtt(&i915->ggtt); } return 0; - -err_appgtt: - ggtt_release_guc_top(ggtt); -err_reserve: - drm_mm_remove_node(&ggtt->error_capture); - return ret; } -/** - * i915_ggtt_cleanup_hw - Clean up GGTT hardware initialization - * @dev_priv: i915 device - */ -void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv) +static void ggtt_cleanup_hw(struct i915_ggtt *ggtt) { - struct i915_ggtt *ggtt = &dev_priv->ggtt; + struct drm_i915_private *i915 = ggtt->vm.i915; struct i915_vma *vma, *vn; - struct pagevec *pvec; ggtt->vm.closed = true; - mutex_lock(&dev_priv->drm.struct_mutex); - fini_aliasing_ppgtt(dev_priv); + rcu_barrier(); /* flush the RCU'ed__i915_vm_release */ + flush_workqueue(i915->wq); + + mutex_lock(&i915->drm.struct_mutex); list_for_each_entry_safe(vma, vn, &ggtt->vm.bound_list, vm_link) WARN_ON(i915_vma_unbind(vma)); @@ -2930,24 +2735,37 @@ void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv) ggtt_release_guc_top(ggtt); if (drm_mm_initialized(&ggtt->vm.mm)) { - intel_vgt_deballoon(dev_priv); + intel_vgt_deballoon(ggtt); i915_address_space_fini(&ggtt->vm); } ggtt->vm.cleanup(&ggtt->vm); - pvec = &dev_priv->mm.wc_stash.pvec; + mutex_unlock(&i915->drm.struct_mutex); + + arch_phys_wc_del(ggtt->mtrr); + io_mapping_fini(&ggtt->iomap); +} + +/** + * i915_ggtt_driver_release - Clean up GGTT hardware initialization + * @i915: i915 device + */ +void i915_ggtt_driver_release(struct drm_i915_private *i915) +{ + struct pagevec *pvec; + + fini_aliasing_ppgtt(&i915->ggtt); + + ggtt_cleanup_hw(&i915->ggtt); + + pvec = &i915->mm.wc_stash.pvec; if (pvec->nr) { set_pages_array_wb(pvec->pages, pvec->nr); __pagevec_release(pvec); } - mutex_unlock(&dev_priv->drm.struct_mutex); - - arch_phys_wc_del(ggtt->mtrr); - io_mapping_fini(&ggtt->iomap); - - i915_gem_cleanup_stolen(dev_priv); + i915_gem_cleanup_stolen(i915); } static unsigned int gen6_get_total_gtt_size(u16 snb_gmch_ctl) @@ -3018,243 +2836,48 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size) return ret; } - ggtt->vm.scratch_pte = - ggtt->vm.pte_encode(ggtt->vm.scratch_page.daddr, + ggtt->vm.scratch[0].encode = + ggtt->vm.pte_encode(px_dma(&ggtt->vm.scratch[0]), I915_CACHE_NONE, 0); return 0; } -static struct intel_ppat_entry * -__alloc_ppat_entry(struct intel_ppat *ppat, unsigned int index, u8 value) +static void cnl_setup_private_ppat(struct drm_i915_private *dev_priv) { - struct intel_ppat_entry *entry = &ppat->entries[index]; - - GEM_BUG_ON(index >= ppat->max_entries); - GEM_BUG_ON(test_bit(index, ppat->used)); - - entry->ppat = ppat; - entry->value = value; - kref_init(&entry->ref); - set_bit(index, ppat->used); - set_bit(index, ppat->dirty); - - return entry; + I915_WRITE(GEN10_PAT_INDEX(0), GEN8_PPAT_WB | GEN8_PPAT_LLC); + I915_WRITE(GEN10_PAT_INDEX(1), GEN8_PPAT_WC | GEN8_PPAT_LLCELLC); + I915_WRITE(GEN10_PAT_INDEX(2), GEN8_PPAT_WT | GEN8_PPAT_LLCELLC); + I915_WRITE(GEN10_PAT_INDEX(3), GEN8_PPAT_UC); + I915_WRITE(GEN10_PAT_INDEX(4), GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(0)); + I915_WRITE(GEN10_PAT_INDEX(5), GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(1)); + I915_WRITE(GEN10_PAT_INDEX(6), GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2)); + I915_WRITE(GEN10_PAT_INDEX(7), GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3)); } -static void __free_ppat_entry(struct intel_ppat_entry *entry) -{ - struct intel_ppat *ppat = entry->ppat; - unsigned int index = entry - ppat->entries; - - GEM_BUG_ON(index >= ppat->max_entries); - GEM_BUG_ON(!test_bit(index, ppat->used)); - - entry->value = ppat->clear_value; - clear_bit(index, ppat->used); - set_bit(index, ppat->dirty); -} - -/** - * intel_ppat_get - get a usable PPAT entry - * @i915: i915 device instance - * @value: the PPAT value required by the caller - * - * The function tries to search if there is an existing PPAT entry which - * matches with the required value. If perfectly matched, the existing PPAT - * entry will be used. If only partially matched, it will try to check if - * there is any available PPAT index. If yes, it will allocate a new PPAT - * index for the required entry and update the HW. If not, the partially - * matched entry will be used. - */ -const struct intel_ppat_entry * -intel_ppat_get(struct drm_i915_private *i915, u8 value) -{ - struct intel_ppat *ppat = &i915->ppat; - struct intel_ppat_entry *entry = NULL; - unsigned int scanned, best_score; - int i; - - GEM_BUG_ON(!ppat->max_entries); - - scanned = best_score = 0; - for_each_set_bit(i, ppat->used, ppat->max_entries) { - unsigned int score; - - score = ppat->match(ppat->entries[i].value, value); - if (score > best_score) { - entry = &ppat->entries[i]; - if (score == INTEL_PPAT_PERFECT_MATCH) { - kref_get(&entry->ref); - return entry; - } - best_score = score; - } - scanned++; - } - - if (scanned == ppat->max_entries) { - if (!entry) - return ERR_PTR(-ENOSPC); - - kref_get(&entry->ref); - return entry; - } - - i = find_first_zero_bit(ppat->used, ppat->max_entries); - entry = __alloc_ppat_entry(ppat, i, value); - ppat->update_hw(i915); - return entry; -} - -static void release_ppat(struct kref *kref) -{ - struct intel_ppat_entry *entry = - container_of(kref, struct intel_ppat_entry, ref); - struct drm_i915_private *i915 = entry->ppat->i915; - - __free_ppat_entry(entry); - entry->ppat->update_hw(i915); -} - -/** - * intel_ppat_put - put back the PPAT entry got from intel_ppat_get() - * @entry: an intel PPAT entry - * - * Put back the PPAT entry got from intel_ppat_get(). If the PPAT index of the - * entry is dynamically allocated, its reference count will be decreased. Once - * the reference count becomes into zero, the PPAT index becomes free again. - */ -void intel_ppat_put(const struct intel_ppat_entry *entry) -{ - struct intel_ppat *ppat = entry->ppat; - unsigned int index = entry - ppat->entries; - - GEM_BUG_ON(!ppat->max_entries); - - kref_put(&ppat->entries[index].ref, release_ppat); -} - -static void cnl_private_pat_update_hw(struct drm_i915_private *dev_priv) -{ - struct intel_ppat *ppat = &dev_priv->ppat; - int i; - - for_each_set_bit(i, ppat->dirty, ppat->max_entries) { - I915_WRITE(GEN10_PAT_INDEX(i), ppat->entries[i].value); - clear_bit(i, ppat->dirty); - } -} - -static void bdw_private_pat_update_hw(struct drm_i915_private *dev_priv) +/* The GGTT and PPGTT need a private PPAT setup in order to handle cacheability + * bits. When using advanced contexts each context stores its own PAT, but + * writing this data shouldn't be harmful even in those cases. */ +static void bdw_setup_private_ppat(struct drm_i915_private *dev_priv) { - struct intel_ppat *ppat = &dev_priv->ppat; - u64 pat = 0; - int i; - - for (i = 0; i < ppat->max_entries; i++) - pat |= GEN8_PPAT(i, ppat->entries[i].value); + u64 pat; - bitmap_clear(ppat->dirty, 0, ppat->max_entries); + pat = GEN8_PPAT(0, GEN8_PPAT_WB | GEN8_PPAT_LLC) | /* for normal objects, no eLLC */ + GEN8_PPAT(1, GEN8_PPAT_WC | GEN8_PPAT_LLCELLC) | /* for something pointing to ptes? */ + GEN8_PPAT(2, GEN8_PPAT_WT | GEN8_PPAT_LLCELLC) | /* for scanout with eLLC */ + GEN8_PPAT(3, GEN8_PPAT_UC) | /* Uncached objects, mostly for scanout */ + GEN8_PPAT(4, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(0)) | + GEN8_PPAT(5, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(1)) | + GEN8_PPAT(6, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2)) | + GEN8_PPAT(7, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3)); I915_WRITE(GEN8_PRIVATE_PAT_LO, lower_32_bits(pat)); I915_WRITE(GEN8_PRIVATE_PAT_HI, upper_32_bits(pat)); } -static unsigned int bdw_private_pat_match(u8 src, u8 dst) +static void chv_setup_private_ppat(struct drm_i915_private *dev_priv) { - unsigned int score = 0; - enum { - AGE_MATCH = BIT(0), - TC_MATCH = BIT(1), - CA_MATCH = BIT(2), - }; - - /* Cache attribute has to be matched. */ - if (GEN8_PPAT_GET_CA(src) != GEN8_PPAT_GET_CA(dst)) - return 0; - - score |= CA_MATCH; - - if (GEN8_PPAT_GET_TC(src) == GEN8_PPAT_GET_TC(dst)) - score |= TC_MATCH; - - if (GEN8_PPAT_GET_AGE(src) == GEN8_PPAT_GET_AGE(dst)) - score |= AGE_MATCH; - - if (score == (AGE_MATCH | TC_MATCH | CA_MATCH)) - return INTEL_PPAT_PERFECT_MATCH; - - return score; -} - -static unsigned int chv_private_pat_match(u8 src, u8 dst) -{ - return (CHV_PPAT_GET_SNOOP(src) == CHV_PPAT_GET_SNOOP(dst)) ? - INTEL_PPAT_PERFECT_MATCH : 0; -} - -static void cnl_setup_private_ppat(struct intel_ppat *ppat) -{ - ppat->max_entries = 8; - ppat->update_hw = cnl_private_pat_update_hw; - ppat->match = bdw_private_pat_match; - ppat->clear_value = GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3); - - __alloc_ppat_entry(ppat, 0, GEN8_PPAT_WB | GEN8_PPAT_LLC); - __alloc_ppat_entry(ppat, 1, GEN8_PPAT_WC | GEN8_PPAT_LLCELLC); - __alloc_ppat_entry(ppat, 2, GEN8_PPAT_WT | GEN8_PPAT_LLCELLC); - __alloc_ppat_entry(ppat, 3, GEN8_PPAT_UC); - __alloc_ppat_entry(ppat, 4, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(0)); - __alloc_ppat_entry(ppat, 5, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(1)); - __alloc_ppat_entry(ppat, 6, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2)); - __alloc_ppat_entry(ppat, 7, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3)); -} - -/* The GGTT and PPGTT need a private PPAT setup in order to handle cacheability - * bits. When using advanced contexts each context stores its own PAT, but - * writing this data shouldn't be harmful even in those cases. */ -static void bdw_setup_private_ppat(struct intel_ppat *ppat) -{ - ppat->max_entries = 8; - ppat->update_hw = bdw_private_pat_update_hw; - ppat->match = bdw_private_pat_match; - ppat->clear_value = GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3); - - if (!HAS_PPGTT(ppat->i915)) { - /* Spec: "For GGTT, there is NO pat_sel[2:0] from the entry, - * so RTL will always use the value corresponding to - * pat_sel = 000". - * So let's disable cache for GGTT to avoid screen corruptions. - * MOCS still can be used though. - * - System agent ggtt writes (i.e. cpu gtt mmaps) already work - * before this patch, i.e. the same uncached + snooping access - * like on gen6/7 seems to be in effect. - * - So this just fixes blitter/render access. Again it looks - * like it's not just uncached access, but uncached + snooping. - * So we can still hold onto all our assumptions wrt cpu - * clflushing on LLC machines. - */ - __alloc_ppat_entry(ppat, 0, GEN8_PPAT_UC); - return; - } - - __alloc_ppat_entry(ppat, 0, GEN8_PPAT_WB | GEN8_PPAT_LLC); /* for normal objects, no eLLC */ - __alloc_ppat_entry(ppat, 1, GEN8_PPAT_WC | GEN8_PPAT_LLCELLC); /* for something pointing to ptes? */ - __alloc_ppat_entry(ppat, 2, GEN8_PPAT_WT | GEN8_PPAT_LLCELLC); /* for scanout with eLLC */ - __alloc_ppat_entry(ppat, 3, GEN8_PPAT_UC); /* Uncached objects, mostly for scanout */ - __alloc_ppat_entry(ppat, 4, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(0)); - __alloc_ppat_entry(ppat, 5, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(1)); - __alloc_ppat_entry(ppat, 6, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2)); - __alloc_ppat_entry(ppat, 7, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3)); -} - -static void chv_setup_private_ppat(struct intel_ppat *ppat) -{ - ppat->max_entries = 8; - ppat->update_hw = bdw_private_pat_update_hw; - ppat->match = chv_private_pat_match; - ppat->clear_value = CHV_PPAT_SNOOP; + u64 pat; /* * Map WB on BDW to snooped on CHV. @@ -3275,14 +2898,17 @@ static void chv_setup_private_ppat(struct intel_ppat *ppat) * in order to keep the global status page working. */ - __alloc_ppat_entry(ppat, 0, CHV_PPAT_SNOOP); - __alloc_ppat_entry(ppat, 1, 0); - __alloc_ppat_entry(ppat, 2, 0); - __alloc_ppat_entry(ppat, 3, 0); - __alloc_ppat_entry(ppat, 4, CHV_PPAT_SNOOP); - __alloc_ppat_entry(ppat, 5, CHV_PPAT_SNOOP); - __alloc_ppat_entry(ppat, 6, CHV_PPAT_SNOOP); - __alloc_ppat_entry(ppat, 7, CHV_PPAT_SNOOP); + pat = GEN8_PPAT(0, CHV_PPAT_SNOOP) | + GEN8_PPAT(1, 0) | + GEN8_PPAT(2, 0) | + GEN8_PPAT(3, 0) | + GEN8_PPAT(4, CHV_PPAT_SNOOP) | + GEN8_PPAT(5, CHV_PPAT_SNOOP) | + GEN8_PPAT(6, CHV_PPAT_SNOOP) | + GEN8_PPAT(7, CHV_PPAT_SNOOP); + + I915_WRITE(GEN8_PRIVATE_PAT_LO, lower_32_bits(pat)); + I915_WRITE(GEN8_PRIVATE_PAT_HI, upper_32_bits(pat)); } static void gen6_gmch_remove(struct i915_address_space *vm) @@ -3295,27 +2921,14 @@ static void gen6_gmch_remove(struct i915_address_space *vm) static void setup_private_pat(struct drm_i915_private *dev_priv) { - struct intel_ppat *ppat = &dev_priv->ppat; - int i; - - ppat->i915 = dev_priv; + GEM_BUG_ON(INTEL_GEN(dev_priv) < 8); if (INTEL_GEN(dev_priv) >= 10) - cnl_setup_private_ppat(ppat); + cnl_setup_private_ppat(dev_priv); else if (IS_CHERRYVIEW(dev_priv) || IS_GEN9_LP(dev_priv)) - chv_setup_private_ppat(ppat); + chv_setup_private_ppat(dev_priv); else - bdw_setup_private_ppat(ppat); - - GEM_BUG_ON(ppat->max_entries > INTEL_MAX_PPAT_ENTRIES); - - for_each_clear_bit(i, ppat->used, ppat->max_entries) { - ppat->entries[i].value = ppat->clear_value; - ppat->entries[i].ppat = ppat; - set_bit(i, ppat->dirty); - } - - ppat->update_hw(dev_priv); + bdw_setup_private_ppat(dev_priv); } static int gen8_gmch_probe(struct i915_ggtt *ggtt) @@ -3360,11 +2973,6 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt) ggtt->vm.insert_page = bxt_vtd_ggtt_insert_page__BKL; if (ggtt->vm.clear_range != nop_clear_range) ggtt->vm.clear_range = bxt_vtd_ggtt_clear_range__BKL; - - /* Prevent recursively calling stop_machine() and deadlocks. */ - dev_info(dev_priv->drm.dev, - "Disabling error capture for VT-d workaround\n"); - i915_disable_error_state(dev_priv, -ENODEV); } ggtt->invalidate = gen6_ggtt_invalidate; @@ -3482,21 +3090,18 @@ static int i915_gmch_probe(struct i915_ggtt *ggtt) return 0; } -/** - * i915_ggtt_probe_hw - Probe GGTT hardware location - * @dev_priv: i915 device - */ -int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv) +static int ggtt_probe_hw(struct i915_ggtt *ggtt, struct intel_gt *gt) { - struct i915_ggtt *ggtt = &dev_priv->ggtt; + struct drm_i915_private *i915 = gt->i915; int ret; - ggtt->vm.i915 = dev_priv; - ggtt->vm.dma = &dev_priv->drm.pdev->dev; + ggtt->vm.gt = gt; + ggtt->vm.i915 = i915; + ggtt->vm.dma = &i915->drm.pdev->dev; - if (INTEL_GEN(dev_priv) <= 5) + if (INTEL_GEN(i915) <= 5) ret = i915_gmch_probe(ggtt); - else if (INTEL_GEN(dev_priv) < 8) + else if (INTEL_GEN(i915) < 8) ret = gen6_gmch_probe(ggtt); else ret = gen8_gmch_probe(ggtt); @@ -3524,51 +3129,82 @@ int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv) DRM_DEBUG_DRIVER("GMADR size = %lluM\n", (u64)ggtt->mappable_end >> 20); DRM_DEBUG_DRIVER("DSM size = %lluM\n", (u64)resource_size(&intel_graphics_stolen_res) >> 20); - if (intel_vtd_active()) - DRM_INFO("VT-d active for gfx access\n"); return 0; } /** - * i915_ggtt_init_hw - Initialize GGTT hardware - * @dev_priv: i915 device + * i915_ggtt_probe_hw - Probe GGTT hardware location + * @i915: i915 device */ -int i915_ggtt_init_hw(struct drm_i915_private *dev_priv) +int i915_ggtt_probe_hw(struct drm_i915_private *i915) { - struct i915_ggtt *ggtt = &dev_priv->ggtt; int ret; - stash_init(&dev_priv->mm.wc_stash); + ret = ggtt_probe_hw(&i915->ggtt, &i915->gt); + if (ret) + return ret; + + if (intel_vtd_active()) + DRM_INFO("VT-d active for gfx access\n"); + + return 0; +} + +static int ggtt_init_hw(struct i915_ggtt *ggtt) +{ + struct drm_i915_private *i915 = ggtt->vm.i915; + int ret = 0; + + mutex_lock(&i915->drm.struct_mutex); - /* Note that we use page colouring to enforce a guard page at the - * end of the address space. This is required as the CS may prefetch - * beyond the end of the batch buffer, across the page boundary, - * and beyond the end of the GTT if we do not provide a guard. - */ - mutex_lock(&dev_priv->drm.struct_mutex); i915_address_space_init(&ggtt->vm, VM_CLASS_GGTT); ggtt->vm.is_ggtt = true; /* Only VLV supports read-only GGTT mappings */ - ggtt->vm.has_read_only = IS_VALLEYVIEW(dev_priv); + ggtt->vm.has_read_only = IS_VALLEYVIEW(i915); - if (!HAS_LLC(dev_priv) && !HAS_PPGTT(dev_priv)) + if (!HAS_LLC(i915) && !HAS_PPGTT(i915)) ggtt->vm.mm.color_adjust = i915_gtt_color_adjust; - mutex_unlock(&dev_priv->drm.struct_mutex); - if (!io_mapping_init_wc(&dev_priv->ggtt.iomap, - dev_priv->ggtt.gmadr.start, - dev_priv->ggtt.mappable_end)) { + if (!io_mapping_init_wc(&ggtt->iomap, + ggtt->gmadr.start, + ggtt->mappable_end)) { + ggtt->vm.cleanup(&ggtt->vm); ret = -EIO; - goto out_gtt_cleanup; + goto out; } ggtt->mtrr = arch_phys_wc_add(ggtt->gmadr.start, ggtt->mappable_end); i915_ggtt_init_fences(ggtt); +out: + mutex_unlock(&i915->drm.struct_mutex); + + return ret; +} + +/** + * i915_ggtt_init_hw - Initialize GGTT hardware + * @dev_priv: i915 device + */ +int i915_ggtt_init_hw(struct drm_i915_private *dev_priv) +{ + int ret; + + stash_init(&dev_priv->mm.wc_stash); + + /* Note that we use page colouring to enforce a guard page at the + * end of the address space. This is required as the CS may prefetch + * beyond the end of the batch buffer, across the page boundary, + * and beyond the end of the GTT if we do not provide a guard. + */ + ret = ggtt_init_hw(&dev_priv->ggtt); + if (ret) + return ret; + /* * Initialise stolen early so that we may reserve preallocated * objects for the BIOS to KMS transition. @@ -3580,7 +3216,7 @@ int i915_ggtt_init_hw(struct drm_i915_private *dev_priv) return 0; out_gtt_cleanup: - ggtt->vm.cleanup(&ggtt->vm); + dev_priv->ggtt.vm.cleanup(&dev_priv->ggtt.vm); return ret; } @@ -3592,35 +3228,34 @@ int i915_ggtt_enable_hw(struct drm_i915_private *dev_priv) return 0; } -void i915_ggtt_enable_guc(struct drm_i915_private *i915) +void i915_ggtt_enable_guc(struct i915_ggtt *ggtt) { - GEM_BUG_ON(i915->ggtt.invalidate != gen6_ggtt_invalidate); + GEM_BUG_ON(ggtt->invalidate != gen6_ggtt_invalidate); - i915->ggtt.invalidate = guc_ggtt_invalidate; + ggtt->invalidate = guc_ggtt_invalidate; - i915_ggtt_invalidate(i915); + ggtt->invalidate(ggtt); } -void i915_ggtt_disable_guc(struct drm_i915_private *i915) +void i915_ggtt_disable_guc(struct i915_ggtt *ggtt) { /* XXX Temporary pardon for error unload */ - if (i915->ggtt.invalidate == gen6_ggtt_invalidate) + if (ggtt->invalidate == gen6_ggtt_invalidate) return; /* We should only be called after i915_ggtt_enable_guc() */ - GEM_BUG_ON(i915->ggtt.invalidate != guc_ggtt_invalidate); + GEM_BUG_ON(ggtt->invalidate != guc_ggtt_invalidate); - i915->ggtt.invalidate = gen6_ggtt_invalidate; + ggtt->invalidate = gen6_ggtt_invalidate; - i915_ggtt_invalidate(i915); + ggtt->invalidate(ggtt); } -void i915_gem_restore_gtt_mappings(struct drm_i915_private *dev_priv) +static void ggtt_restore_mappings(struct i915_ggtt *ggtt) { - struct i915_ggtt *ggtt = &dev_priv->ggtt; struct i915_vma *vma, *vn; - i915_check_and_clear_faults(dev_priv); + intel_gt_check_and_clear_faults(ggtt->vm.gt); mutex_lock(&ggtt->vm.mutex); @@ -3654,17 +3289,17 @@ lock: } ggtt->vm.closed = false; - i915_ggtt_invalidate(dev_priv); + ggtt->invalidate(ggtt); mutex_unlock(&ggtt->vm.mutex); +} - if (INTEL_GEN(dev_priv) >= 8) { - struct intel_ppat *ppat = &dev_priv->ppat; +void i915_gem_restore_gtt_mappings(struct drm_i915_private *i915) +{ + ggtt_restore_mappings(&i915->ggtt); - bitmap_set(ppat->dirty, 0, ppat->max_entries); - dev_priv->ppat.update_hw(dev_priv); - return; - } + if (INTEL_GEN(i915) >= 8) + setup_private_pat(i915); } static struct scatterlist * @@ -3953,7 +3588,7 @@ int i915_gem_gtt_reserve(struct i915_address_space *vm, GEM_BUG_ON(!IS_ALIGNED(size, I915_GTT_PAGE_SIZE)); GEM_BUG_ON(!IS_ALIGNED(offset, I915_GTT_MIN_ALIGNMENT)); GEM_BUG_ON(range_overflows(offset, size, vm->total)); - GEM_BUG_ON(vm == &vm->i915->mm.aliasing_ppgtt->vm); + GEM_BUG_ON(vm == &vm->i915->ggtt.alias->vm); GEM_BUG_ON(drm_mm_node_allocated(node)); node->size = size; @@ -4050,7 +3685,7 @@ int i915_gem_gtt_insert(struct i915_address_space *vm, GEM_BUG_ON(start >= end); GEM_BUG_ON(start > 0 && !IS_ALIGNED(start, I915_GTT_PAGE_SIZE)); GEM_BUG_ON(end < U64_MAX && !IS_ALIGNED(end, I915_GTT_PAGE_SIZE)); - GEM_BUG_ON(vm == &vm->i915->mm.aliasing_ppgtt->vm); + GEM_BUG_ON(vm == &vm->i915->ggtt.alias->vm); GEM_BUG_ON(drm_mm_node_allocated(node)); if (unlikely(range_overflows(start, size, end))) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index 812717ccc69b..51274483502e 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -35,15 +35,19 @@ #define __I915_GEM_GTT_H__ #include <linux/io-mapping.h> +#include <linux/kref.h> #include <linux/mm.h> #include <linux/pagevec.h> +#include <linux/workqueue.h> + +#include <drm/drm_mm.h> #include "gt/intel_reset.h" #include "i915_gem_fence_reg.h" #include "i915_request.h" #include "i915_scatterlist.h" #include "i915_selftest.h" -#include "i915_timeline.h" +#include "gt/intel_timeline.h" #define I915_GTT_PAGE_SIZE_4K BIT_ULL(12) #define I915_GTT_PAGE_SIZE_64K BIT_ULL(16) @@ -64,12 +68,10 @@ struct drm_i915_file_private; struct drm_i915_gem_object; struct i915_vma; +struct intel_gt; typedef u32 gen6_pte_t; typedef u64 gen8_pte_t; -typedef u64 gen8_pde_t; -typedef u64 gen8_ppgtt_pdpe_t; -typedef u64 gen8_ppgtt_pml4e_t; #define ggtt_total_entries(ggtt) ((ggtt)->vm.total >> PAGE_SHIFT) @@ -113,30 +115,18 @@ typedef u64 gen8_ppgtt_pml4e_t; #define HSW_GTT_ADDR_ENCODE(addr) ((addr) | (((addr) >> 28) & 0x7f0)) #define HSW_PTE_ADDR_ENCODE(addr) HSW_GTT_ADDR_ENCODE(addr) -/* GEN8 32b style address is defined as a 3 level page table: +/* + * GEN8 32b style address is defined as a 3 level page table: * 31:30 | 29:21 | 20:12 | 11:0 * PDPE | PDE | PTE | offset * The difference as compared to normal x86 3 level page table is the PDPEs are * programmed via register. - */ -#define GEN8_3LVL_PDPES 4 -#define GEN8_PDE_SHIFT 21 -#define GEN8_PDE_MASK 0x1ff -#define GEN8_PTE_SHIFT 12 -#define GEN8_PTE_MASK 0x1ff -#define GEN8_PTES I915_PTES(sizeof(gen8_pte_t)) - -/* GEN8 48b style address is defined as a 4 level page table: + * + * GEN8 48b style address is defined as a 4 level page table: * 47:39 | 38:30 | 29:21 | 20:12 | 11:0 * PML4E | PDPE | PDE | PTE | offset */ -#define GEN8_PML4ES_PER_PML4 512 -#define GEN8_PML4E_SHIFT 39 -#define GEN8_PML4E_MASK (GEN8_PML4ES_PER_PML4 - 1) -#define GEN8_PDPE_SHIFT 30 -/* NB: GEN8_PDPE_MASK is untrue for 32b platforms, but it has no impact on 32b page - * tables */ -#define GEN8_PDPE_MASK 0x1ff +#define GEN8_3LVL_PDPES 4 #define PPAT_UNCACHED (_PAGE_PWT | _PAGE_PCD) #define PPAT_CACHED_PDE 0 /* WB LLC */ @@ -155,11 +145,6 @@ typedef u64 gen8_ppgtt_pml4e_t; #define GEN8_PPAT_ELLC_OVERRIDE (0<<2) #define GEN8_PPAT(i, x) ((u64)(x) << ((i) * 8)) -#define GEN8_PPAT_GET_CA(x) ((x) & 3) -#define GEN8_PPAT_GET_TC(x) ((x) & (3 << 2)) -#define GEN8_PPAT_GET_AGE(x) ((x) & (3 << 4)) -#define CHV_PPAT_GET_SNOOP(x) ((x) & (1 << 6)) - #define GEN8_PDE_IPS_64K BIT(11) #define GEN8_PDE_PS_2M BIT(7) @@ -243,8 +228,10 @@ struct i915_page_dma { }; }; -#define px_base(px) (&(px)->base) -#define px_dma(px) (px_base(px)->daddr) +struct i915_page_scratch { + struct i915_page_dma base; + u64 encode; +}; struct i915_page_table { struct i915_page_dma base; @@ -252,12 +239,32 @@ struct i915_page_table { }; struct i915_page_directory { - struct i915_page_dma base; - atomic_t used; + struct i915_page_table pt; spinlock_t lock; void *entry[512]; }; +#define __px_choose_expr(x, type, expr, other) \ + __builtin_choose_expr( \ + __builtin_types_compatible_p(typeof(x), type) || \ + __builtin_types_compatible_p(typeof(x), const type), \ + ({ type __x = (type)(x); expr; }), \ + other) + +#define px_base(px) \ + __px_choose_expr(px, struct i915_page_dma *, __x, \ + __px_choose_expr(px, struct i915_page_scratch *, &__x->base, \ + __px_choose_expr(px, struct i915_page_table *, &__x->base, \ + __px_choose_expr(px, struct i915_page_directory *, &__x->pt.base, \ + (void)0)))) +#define px_dma(px) (px_base(px)->daddr) + +#define px_pt(px) \ + __px_choose_expr(px, struct i915_page_table *, __x, \ + __px_choose_expr(px, struct i915_page_directory *, &__x->pt, \ + (void)0)) +#define px_used(px) (&px_pt(px)->used) + struct i915_vma_ops { /* Map an object into an address space with the given cache flags. */ int (*bind_vma)(struct i915_vma *vma, @@ -280,8 +287,10 @@ struct pagestash { struct i915_address_space { struct kref ref; + struct rcu_work rcu; struct drm_mm mm; + struct intel_gt *gt; struct drm_i915_private *i915; struct device *dma; /* Every address space belongs to a struct file - except for the global @@ -302,12 +311,9 @@ struct i915_address_space { #define VM_CLASS_GGTT 0 #define VM_CLASS_PPGTT 1 - u64 scratch_pte; - int scratch_order; - struct i915_page_dma scratch_page; - struct i915_page_table *scratch_pt; - struct i915_page_directory *scratch_pd; - struct i915_page_directory *scratch_pdp; /* GEN8+ & 48b PPGTT */ + struct i915_page_scratch scratch[4]; + unsigned int scratch_order; + unsigned int top; /** * List of vma currently bound. @@ -386,7 +392,10 @@ struct i915_ggtt { /** "Graphics Stolen Memory" holds the global PTEs */ void __iomem *gsm; - void (*invalidate)(struct drm_i915_private *dev_priv); + void (*invalidate)(struct i915_ggtt *ggtt); + + /** PPGTT used for aliasing the PPGTT with the GTT */ + struct i915_ppgtt *alias; bool do_idle_maps; @@ -425,8 +434,6 @@ struct gen6_ppgtt { unsigned int pin_count; bool scan_for_unused_pt; - - struct gen6_ppgtt_cleanup_work *work; }; #define __to_gen6_ppgtt(base) container_of(base, struct gen6_ppgtt, base) @@ -506,15 +513,6 @@ static inline u32 gen6_pde_index(u32 addr) return i915_pde_index(addr, GEN6_PDE_SHIFT); } -static inline unsigned int -i915_pdpes_per_pdp(const struct i915_address_space *vm) -{ - if (i915_vm_is_4lvl(vm)) - return GEN8_PML4ES_PER_PML4; - - return GEN8_3LVL_PDPES; -} - static inline struct i915_page_table * i915_pt_entry(const struct i915_page_directory * const pd, const unsigned short n) @@ -529,73 +527,12 @@ i915_pd_entry(const struct i915_page_directory * const pdp, return pdp->entry[n]; } -static inline struct i915_page_directory * -i915_pdp_entry(const struct i915_page_directory * const pml4, - const unsigned short n) -{ - return pml4->entry[n]; -} - -/* Equivalent to the gen6 version, For each pde iterates over every pde - * between from start until start + length. On gen8+ it simply iterates - * over every page directory entry in a page directory. - */ -#define gen8_for_each_pde(pt, pd, start, length, iter) \ - for (iter = gen8_pde_index(start); \ - length > 0 && iter < I915_PDES && \ - (pt = i915_pt_entry(pd, iter), true); \ - ({ u64 temp = ALIGN(start+1, 1 << GEN8_PDE_SHIFT); \ - temp = min(temp - start, length); \ - start += temp, length -= temp; }), ++iter) - -#define gen8_for_each_pdpe(pd, pdp, start, length, iter) \ - for (iter = gen8_pdpe_index(start); \ - length > 0 && iter < i915_pdpes_per_pdp(vm) && \ - (pd = i915_pd_entry(pdp, iter), true); \ - ({ u64 temp = ALIGN(start+1, 1 << GEN8_PDPE_SHIFT); \ - temp = min(temp - start, length); \ - start += temp, length -= temp; }), ++iter) - -#define gen8_for_each_pml4e(pdp, pml4, start, length, iter) \ - for (iter = gen8_pml4e_index(start); \ - length > 0 && iter < GEN8_PML4ES_PER_PML4 && \ - (pdp = i915_pdp_entry(pml4, iter), true); \ - ({ u64 temp = ALIGN(start+1, 1ULL << GEN8_PML4E_SHIFT); \ - temp = min(temp - start, length); \ - start += temp, length -= temp; }), ++iter) - -static inline u32 gen8_pte_index(u64 address) -{ - return i915_pte_index(address, GEN8_PDE_SHIFT); -} - -static inline u32 gen8_pde_index(u64 address) -{ - return i915_pde_index(address, GEN8_PDE_SHIFT); -} - -static inline u32 gen8_pdpe_index(u64 address) -{ - return (address >> GEN8_PDPE_SHIFT) & GEN8_PDPE_MASK; -} - -static inline u32 gen8_pml4e_index(u64 address) -{ - return (address >> GEN8_PML4E_SHIFT) & GEN8_PML4E_MASK; -} - -static inline u64 gen8_pte_count(u64 address, u64 length) -{ - return i915_pte_count(address, length, GEN8_PDE_SHIFT); -} - static inline dma_addr_t i915_page_dir_dma_addr(const struct i915_ppgtt *ppgtt, const unsigned int n) { - struct i915_page_directory *pd; + struct i915_page_dma *pt = ppgtt->pd->entry[n]; - pd = i915_pdp_entry(ppgtt->pd, n); - return px_dma(pd); + return px_dma(pt ?: px_base(&ppgtt->vm.scratch[ppgtt->vm.top])); } static inline struct i915_ggtt * @@ -614,46 +551,15 @@ i915_vm_to_ppgtt(struct i915_address_space *vm) return container_of(vm, struct i915_ppgtt, vm); } -#define INTEL_MAX_PPAT_ENTRIES 8 -#define INTEL_PPAT_PERFECT_MATCH (~0U) - -struct intel_ppat; - -struct intel_ppat_entry { - struct intel_ppat *ppat; - struct kref ref; - u8 value; -}; - -struct intel_ppat { - struct intel_ppat_entry entries[INTEL_MAX_PPAT_ENTRIES]; - DECLARE_BITMAP(used, INTEL_MAX_PPAT_ENTRIES); - DECLARE_BITMAP(dirty, INTEL_MAX_PPAT_ENTRIES); - unsigned int max_entries; - u8 clear_value; - /* - * Return a score to show how two PPAT values match, - * a INTEL_PPAT_PERFECT_MATCH indicates a perfect match - */ - unsigned int (*match)(u8 src, u8 dst); - void (*update_hw)(struct drm_i915_private *i915); - - struct drm_i915_private *i915; -}; - -const struct intel_ppat_entry * -intel_ppat_get(struct drm_i915_private *i915, u8 value); -void intel_ppat_put(const struct intel_ppat_entry *entry); - int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv); int i915_ggtt_init_hw(struct drm_i915_private *dev_priv); int i915_ggtt_enable_hw(struct drm_i915_private *dev_priv); -void i915_ggtt_enable_guc(struct drm_i915_private *i915); -void i915_ggtt_disable_guc(struct drm_i915_private *i915); -int i915_gem_init_ggtt(struct drm_i915_private *dev_priv); -void i915_ggtt_cleanup_hw(struct drm_i915_private *dev_priv); +void i915_ggtt_enable_guc(struct i915_ggtt *ggtt); +void i915_ggtt_disable_guc(struct i915_ggtt *ggtt); +int i915_init_ggtt(struct drm_i915_private *dev_priv); +void i915_ggtt_driver_release(struct drm_i915_private *dev_priv); -int i915_ppgtt_init_hw(struct drm_i915_private *dev_priv); +int i915_ppgtt_init_hw(struct intel_gt *gt); struct i915_ppgtt *i915_ppgtt_create(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.h b/drivers/gpu/drm/i915/i915_gem_render_state.h deleted file mode 100644 index 112cda8fa1a8..000000000000 --- a/drivers/gpu/drm/i915/i915_gem_render_state.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Copyright © 2014 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#ifndef _I915_GEM_RENDER_STATE_H_ -#define _I915_GEM_RENDER_STATE_H_ - -struct i915_request; - -int i915_gem_render_state_emit(struct i915_request *rq); - -#endif /* _I915_GEM_RENDER_STATE_H_ */ diff --git a/drivers/gpu/drm/i915/i915_globals.h b/drivers/gpu/drm/i915/i915_globals.h index 04c1ce107fc0..2d199f411a4a 100644 --- a/drivers/gpu/drm/i915/i915_globals.h +++ b/drivers/gpu/drm/i915/i915_globals.h @@ -7,6 +7,8 @@ #ifndef _I915_GLOBALS_H_ #define _I915_GLOBALS_H_ +#include <linux/types.h> + typedef void (*i915_global_func_t)(void); struct i915_global { diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 8bc76fcff70d..0c0f255000c2 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -29,8 +29,8 @@ #include <linux/ascii85.h> #include <linux/nmi.h> +#include <linux/pagevec.h> #include <linux/scatterlist.h> -#include <linux/stop_machine.h> #include <linux/utsname.h> #include <linux/zlib.h> @@ -46,6 +46,9 @@ #include "i915_scatterlist.h" #include "intel_csr.h" +#define ALLOW_FAIL (GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN) +#define ATOMIC_MAYFAIL (GFP_ATOMIC | __GFP_NOWARN) + static inline const struct intel_engine_cs * engine_lookup(const struct drm_i915_private *i915, unsigned int id) { @@ -67,26 +70,6 @@ engine_name(const struct drm_i915_private *i915, unsigned int id) return __engine_name(engine_lookup(i915, id)); } -static const char *tiling_flag(int tiling) -{ - switch (tiling) { - default: - case I915_TILING_NONE: return ""; - case I915_TILING_X: return " X"; - case I915_TILING_Y: return " Y"; - } -} - -static const char *dirty_flag(int dirty) -{ - return dirty ? " dirty" : ""; -} - -static const char *purgeable_flag(int purgeable) -{ - return purgeable ? " purgeable" : ""; -} - static void __sg_set_buf(struct scatterlist *sg, void *addr, unsigned int len, loff_t it) { @@ -114,7 +97,7 @@ static bool __i915_error_grow(struct drm_i915_error_state_buf *e, size_t len) if (e->cur == e->end) { struct scatterlist *sgl; - sgl = (typeof(sgl))__get_free_page(GFP_KERNEL); + sgl = (typeof(sgl))__get_free_page(ALLOW_FAIL); if (!sgl) { e->err = -ENOMEM; return false; @@ -134,7 +117,7 @@ static bool __i915_error_grow(struct drm_i915_error_state_buf *e, size_t len) } e->size = ALIGN(len + 1, SZ_64K); - e->buf = kmalloc(e->size, GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY); + e->buf = kmalloc(e->size, ALLOW_FAIL); if (!e->buf) { e->size = PAGE_ALIGN(len + 1); e->buf = kmalloc(e->size, GFP_KERNEL); @@ -211,47 +194,115 @@ i915_error_printer(struct drm_i915_error_state_buf *e) return p; } +/* single threaded page allocator with a reserved stash for emergencies */ +static void pool_fini(struct pagevec *pv) +{ + pagevec_release(pv); +} + +static int pool_refill(struct pagevec *pv, gfp_t gfp) +{ + while (pagevec_space(pv)) { + struct page *p; + + p = alloc_page(gfp); + if (!p) + return -ENOMEM; + + pagevec_add(pv, p); + } + + return 0; +} + +static int pool_init(struct pagevec *pv, gfp_t gfp) +{ + int err; + + pagevec_init(pv); + + err = pool_refill(pv, gfp); + if (err) + pool_fini(pv); + + return err; +} + +static void *pool_alloc(struct pagevec *pv, gfp_t gfp) +{ + struct page *p; + + p = alloc_page(gfp); + if (!p && pagevec_count(pv)) + p = pv->pages[--pv->nr]; + + return p ? page_address(p) : NULL; +} + +static void pool_free(struct pagevec *pv, void *addr) +{ + struct page *p = virt_to_page(addr); + + if (pagevec_space(pv)) + pagevec_add(pv, p); + else + __free_page(p); +} + #ifdef CONFIG_DRM_I915_COMPRESS_ERROR struct compress { + struct pagevec pool; struct z_stream_s zstream; void *tmp; }; static bool compress_init(struct compress *c) { - struct z_stream_s *zstream = memset(&c->zstream, 0, sizeof(c->zstream)); + struct z_stream_s *zstream = &c->zstream; - zstream->workspace = - kmalloc(zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL), - GFP_ATOMIC | __GFP_NOWARN); - if (!zstream->workspace) + if (pool_init(&c->pool, ALLOW_FAIL)) return false; - if (zlib_deflateInit(zstream, Z_DEFAULT_COMPRESSION) != Z_OK) { - kfree(zstream->workspace); + zstream->workspace = + kmalloc(zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL), + ALLOW_FAIL); + if (!zstream->workspace) { + pool_fini(&c->pool); return false; } c->tmp = NULL; if (i915_has_memcpy_from_wc()) - c->tmp = (void *)__get_free_page(GFP_ATOMIC | __GFP_NOWARN); + c->tmp = pool_alloc(&c->pool, ALLOW_FAIL); return true; } -static void *compress_next_page(struct drm_i915_error_object *dst) +static bool compress_start(struct compress *c) +{ + struct z_stream_s *zstream = &c->zstream; + void *workspace = zstream->workspace; + + memset(zstream, 0, sizeof(*zstream)); + zstream->workspace = workspace; + + return zlib_deflateInit(zstream, Z_DEFAULT_COMPRESSION) == Z_OK; +} + +static void *compress_next_page(struct compress *c, + struct drm_i915_error_object *dst) { - unsigned long page; + void *page; if (dst->page_count >= dst->num_pages) return ERR_PTR(-ENOSPC); - page = __get_free_page(GFP_ATOMIC | __GFP_NOWARN); + page = pool_alloc(&c->pool, ALLOW_FAIL); if (!page) return ERR_PTR(-ENOMEM); - return dst->pages[dst->page_count++] = (void *)page; + return dst->pages[dst->page_count++] = page; } static int compress_page(struct compress *c, @@ -267,7 +318,7 @@ static int compress_page(struct compress *c, do { if (zstream->avail_out == 0) { - zstream->next_out = compress_next_page(dst); + zstream->next_out = compress_next_page(c, dst); if (IS_ERR(zstream->next_out)) return PTR_ERR(zstream->next_out); @@ -276,8 +327,6 @@ static int compress_page(struct compress *c, if (zlib_deflate(zstream, Z_NO_FLUSH) != Z_OK) return -EIO; - - touch_nmi_watchdog(); } while (zstream->avail_in); /* Fallback to uncompressed if we increase size? */ @@ -295,7 +344,7 @@ static int compress_flush(struct compress *c, do { switch (zlib_deflate(zstream, Z_FINISH)) { case Z_OK: /* more space requested */ - zstream->next_out = compress_next_page(dst); + zstream->next_out = compress_next_page(c, dst); if (IS_ERR(zstream->next_out)) return PTR_ERR(zstream->next_out); @@ -316,15 +365,17 @@ end: return 0; } -static void compress_fini(struct compress *c, - struct drm_i915_error_object *dst) +static void compress_finish(struct compress *c) { - struct z_stream_s *zstream = &c->zstream; + zlib_deflateEnd(&c->zstream); +} - zlib_deflateEnd(zstream); - kfree(zstream->workspace); +static void compress_fini(struct compress *c) +{ + kfree(c->zstream.workspace); if (c->tmp) - free_page((unsigned long)c->tmp); + pool_free(&c->pool, c->tmp); + pool_fini(&c->pool); } static void err_compression_marker(struct drm_i915_error_state_buf *m) @@ -335,10 +386,16 @@ static void err_compression_marker(struct drm_i915_error_state_buf *m) #else struct compress { + struct pagevec pool; }; static bool compress_init(struct compress *c) { + return pool_init(&c->pool, ALLOW_FAIL) == 0; +} + +static bool compress_start(struct compress *c) +{ return true; } @@ -346,14 +403,12 @@ static int compress_page(struct compress *c, void *src, struct drm_i915_error_object *dst) { - unsigned long page; void *ptr; - page = __get_free_page(GFP_ATOMIC | __GFP_NOWARN); - if (!page) + ptr = pool_alloc(&c->pool, ALLOW_FAIL); + if (!ptr) return -ENOMEM; - ptr = (void *)page; if (!i915_memcpy_from_wc(ptr, src, PAGE_SIZE)) memcpy(ptr, src, PAGE_SIZE); dst->pages[dst->page_count++] = ptr; @@ -367,11 +422,15 @@ static int compress_flush(struct compress *c, return 0; } -static void compress_fini(struct compress *c, - struct drm_i915_error_object *dst) +static void compress_finish(struct compress *c) { } +static void compress_fini(struct compress *c) +{ + pool_fini(&c->pool); +} + static void err_compression_marker(struct drm_i915_error_state_buf *m) { err_puts(m, "~"); @@ -379,36 +438,6 @@ static void err_compression_marker(struct drm_i915_error_state_buf *m) #endif -static void print_error_buffers(struct drm_i915_error_state_buf *m, - const char *name, - struct drm_i915_error_buffer *err, - int count) -{ - err_printf(m, "%s [%d]:\n", name, count); - - while (count--) { - err_printf(m, " %08x_%08x %8u %02x %02x", - upper_32_bits(err->gtt_offset), - lower_32_bits(err->gtt_offset), - err->size, - err->read_domains, - err->write_domain); - err_puts(m, tiling_flag(err->tiling)); - err_puts(m, dirty_flag(err->dirty)); - err_puts(m, purgeable_flag(err->purgeable)); - err_puts(m, err->userptr ? " userptr" : ""); - err_puts(m, i915_cache_level_str(m->i915, err->cache_level)); - - if (err->name) - err_printf(m, " (name: %d)", err->name); - if (err->fence_reg != I915_FENCE_REG_NONE) - err_printf(m, " (fence: %d)", err->fence_reg); - - err_puts(m, "\n"); - err++; - } -} - static void error_print_instdone(struct drm_i915_error_state_buf *m, const struct drm_i915_error_engine *ee) { @@ -620,7 +649,7 @@ static void err_print_uc(struct drm_i915_error_state_buf *m, const struct i915_gpu_state *error = container_of(error_uc, typeof(*error), uc); - if (!error->device_info.has_guc) + if (!error->device_info.has_gt_uc) return; intel_uc_fw_dump(&error_uc->guc_fw, &p); @@ -734,33 +763,6 @@ static void __err_print_to_sgl(struct drm_i915_error_state_buf *m, error_print_engine(m, &error->engine[i], error->epoch); } - for (i = 0; i < ARRAY_SIZE(error->active_vm); i++) { - char buf[128]; - int len, first = 1; - - if (!error->active_vm[i]) - break; - - len = scnprintf(buf, sizeof(buf), "Active ("); - for (j = 0; j < ARRAY_SIZE(error->engine); j++) { - if (error->engine[j].vm != error->active_vm[i]) - continue; - - len += scnprintf(buf + len, sizeof(buf), "%s%s", - first ? "" : ", ", - m->i915->engine[j]->name); - first = 0; - } - scnprintf(buf + len, sizeof(buf), ")"); - print_error_buffers(m, buf, - error->active_bo[i], - error->active_bo_count[i]); - } - - print_error_buffers(m, "Pinned (global)", - error->pinned_bo, - error->pinned_bo_count); - for (i = 0; i < ARRAY_SIZE(error->engine); i++) { const struct drm_i915_error_engine *ee = &error->engine[i]; @@ -974,10 +976,6 @@ void __i915_gpu_state_free(struct kref *error_ref) kfree(ee->requests); } - for (i = 0; i < ARRAY_SIZE(error->active_bo); i++) - kfree(error->active_bo[i]); - kfree(error->pinned_bo); - kfree(error->overlay); kfree(error->display); @@ -990,108 +988,63 @@ void __i915_gpu_state_free(struct kref *error_ref) static struct drm_i915_error_object * i915_error_object_create(struct drm_i915_private *i915, - struct i915_vma *vma) + struct i915_vma *vma, + struct compress *compress) { struct i915_ggtt *ggtt = &i915->ggtt; const u64 slot = ggtt->error_capture.start; struct drm_i915_error_object *dst; - struct compress compress; unsigned long num_pages; struct sgt_iter iter; dma_addr_t dma; int ret; + might_sleep(); + if (!vma || !vma->pages) return NULL; num_pages = min_t(u64, vma->size, vma->obj->base.size) >> PAGE_SHIFT; num_pages = DIV_ROUND_UP(10 * num_pages, 8); /* worstcase zlib growth */ - dst = kmalloc(sizeof(*dst) + num_pages * sizeof(u32 *), - GFP_ATOMIC | __GFP_NOWARN); + dst = kmalloc(sizeof(*dst) + num_pages * sizeof(u32 *), ALLOW_FAIL); if (!dst) return NULL; + if (!compress_start(compress)) { + kfree(dst); + return NULL; + } + dst->gtt_offset = vma->node.start; dst->gtt_size = vma->node.size; dst->num_pages = num_pages; dst->page_count = 0; dst->unused = 0; - if (!compress_init(&compress)) { - kfree(dst); - return NULL; - } - ret = -EINVAL; for_each_sgt_dma(dma, iter, vma->pages) { void __iomem *s; ggtt->vm.insert_page(&ggtt->vm, dma, slot, I915_CACHE_NONE, 0); - s = io_mapping_map_atomic_wc(&ggtt->iomap, slot); - ret = compress_page(&compress, (void __force *)s, dst); - io_mapping_unmap_atomic(s); + s = io_mapping_map_wc(&ggtt->iomap, slot, PAGE_SIZE); + ret = compress_page(compress, (void __force *)s, dst); + io_mapping_unmap(s); if (ret) break; } - if (ret || compress_flush(&compress, dst)) { + if (ret || compress_flush(compress, dst)) { while (dst->page_count--) - free_page((unsigned long)dst->pages[dst->page_count]); + pool_free(&compress->pool, dst->pages[dst->page_count]); kfree(dst); dst = NULL; } + compress_finish(compress); - compress_fini(&compress, dst); return dst; } -static void capture_bo(struct drm_i915_error_buffer *err, - struct i915_vma *vma) -{ - struct drm_i915_gem_object *obj = vma->obj; - - err->size = obj->base.size; - err->name = obj->base.name; - - err->gtt_offset = vma->node.start; - err->read_domains = obj->read_domains; - err->write_domain = obj->write_domain; - err->fence_reg = vma->fence ? vma->fence->id : -1; - err->tiling = i915_gem_object_get_tiling(obj); - err->dirty = obj->mm.dirty; - err->purgeable = obj->mm.madv != I915_MADV_WILLNEED; - err->userptr = obj->userptr.mm != NULL; - err->cache_level = obj->cache_level; -} - -static u32 capture_error_bo(struct drm_i915_error_buffer *err, - int count, struct list_head *head, - unsigned int flags) -#define ACTIVE_ONLY BIT(0) -#define PINNED_ONLY BIT(1) -{ - struct i915_vma *vma; - int i = 0; - - list_for_each_entry(vma, head, vm_link) { - if (!vma->obj) - continue; - - if (flags & ACTIVE_ONLY && !i915_vma_is_active(vma)) - continue; - - if (flags & PINNED_ONLY && !i915_vma_is_pinned(vma)) - continue; - - capture_bo(err++, vma); - if (++i == count) - break; - } - - return i; -} - /* * Generate a semi-unique error code. The code is not meant to have meaning, The * code's only purpose is to try to prevent false duplicated bug reports by @@ -1249,10 +1202,10 @@ static void error_record_engine_registers(struct i915_gpu_state *error, } } -static void record_request(struct i915_request *request, +static void record_request(const struct i915_request *request, struct drm_i915_error_request *erq) { - struct i915_gem_context *ctx = request->gem_context; + const struct i915_gem_context *ctx = request->gem_context; erq->flags = request->fence.flags; erq->context = request->fence.context; @@ -1282,7 +1235,7 @@ static void engine_record_requests(struct intel_engine_cs *engine, if (!count) return; - ee->requests = kcalloc(count, sizeof(*ee->requests), GFP_ATOMIC); + ee->requests = kcalloc(count, sizeof(*ee->requests), ATOMIC_MAYFAIL); if (!ee->requests) return; @@ -1316,20 +1269,15 @@ static void engine_record_requests(struct intel_engine_cs *engine, ee->num_requests = count; } -static void error_record_engine_execlists(struct intel_engine_cs *engine, +static void error_record_engine_execlists(const struct intel_engine_cs *engine, struct drm_i915_error_engine *ee) { const struct intel_engine_execlists * const execlists = &engine->execlists; - unsigned int n; - - for (n = 0; n < execlists_num_ports(execlists); n++) { - struct i915_request *rq = port_request(&execlists->port[n]); + struct i915_request * const *port = execlists->active; + unsigned int n = 0; - if (!rq) - break; - - record_request(rq, &ee->execlist[n]); - } + while (*port) + record_request(*port++, &ee->execlist[n++]); ee->num_ports = n; } @@ -1355,8 +1303,42 @@ static void record_context(struct drm_i915_error_context *e, e->active = atomic_read(&ctx->active_count); } -static void request_record_user_bo(struct i915_request *request, - struct drm_i915_error_engine *ee) +struct capture_vma { + struct capture_vma *next; + void **slot; +}; + +static struct capture_vma * +capture_vma(struct capture_vma *next, + struct i915_vma *vma, + struct drm_i915_error_object **out) +{ + struct capture_vma *c; + + *out = NULL; + if (!vma) + return next; + + c = kmalloc(sizeof(*c), ATOMIC_MAYFAIL); + if (!c) + return next; + + if (!i915_active_trygrab(&vma->active)) { + kfree(c); + return next; + } + + c->slot = (void **)out; + *c->slot = i915_vma_get(vma); + + c->next = next; + return c; +} + +static struct capture_vma * +request_record_user_bo(struct i915_request *request, + struct drm_i915_error_engine *ee, + struct capture_vma *capture) { struct i915_capture_list *c; struct drm_i915_error_object **bo; @@ -1366,33 +1348,34 @@ static void request_record_user_bo(struct i915_request *request, for (c = request->capture_list; c; c = c->next) max++; if (!max) - return; + return capture; - bo = kmalloc_array(max, sizeof(*bo), GFP_ATOMIC); + bo = kmalloc_array(max, sizeof(*bo), ATOMIC_MAYFAIL); if (!bo) { /* If we can't capture everything, try to capture something. */ max = min_t(long, max, PAGE_SIZE / sizeof(*bo)); - bo = kmalloc_array(max, sizeof(*bo), GFP_ATOMIC); + bo = kmalloc_array(max, sizeof(*bo), ATOMIC_MAYFAIL); } if (!bo) - return; + return capture; count = 0; for (c = request->capture_list; c; c = c->next) { - bo[count] = i915_error_object_create(request->i915, c->vma); - if (!bo[count]) - break; + capture = capture_vma(capture, c->vma, &bo[count]); if (++count == max) break; } ee->user_bo = bo; ee->user_bo_count = count; + + return capture; } static struct drm_i915_error_object * capture_object(struct drm_i915_private *dev_priv, - struct drm_i915_gem_object *obj) + struct drm_i915_gem_object *obj, + struct compress *compress) { if (obj && i915_gem_object_has_pages(obj)) { struct i915_vma fake = { @@ -1402,21 +1385,22 @@ capture_object(struct drm_i915_private *dev_priv, .obj = obj, }; - return i915_error_object_create(dev_priv, &fake); + return i915_error_object_create(dev_priv, &fake, compress); } else { return NULL; } } -static void gem_record_rings(struct i915_gpu_state *error) +static void +gem_record_rings(struct i915_gpu_state *error, struct compress *compress) { struct drm_i915_private *i915 = error->i915; - struct i915_ggtt *ggtt = &i915->ggtt; int i; for (i = 0; i < I915_NUM_ENGINES; i++) { struct intel_engine_cs *engine = i915->engine[i]; struct drm_i915_error_engine *ee = &error->engine[i]; + struct capture_vma *capture = NULL; struct i915_request *request; unsigned long flags; @@ -1427,6 +1411,9 @@ static void gem_record_rings(struct i915_gpu_state *error) ee->engine_id = i; + /* Refill our page pool before entering atomic section */ + pool_refill(&compress->pool, ALLOW_FAIL); + error_record_engine_registers(error, engine, ee); error_record_engine_execlists(engine, ee); @@ -1436,26 +1423,31 @@ static void gem_record_rings(struct i915_gpu_state *error) struct i915_gem_context *ctx = request->gem_context; struct intel_ring *ring = request->ring; - ee->vm = ctx->vm ?: &ggtt->vm; - record_context(&ee->context, ctx); - /* We need to copy these to an anonymous buffer + /* + * We need to copy these to an anonymous buffer * as the simplest method to avoid being overwritten * by userspace. */ - ee->batchbuffer = - i915_error_object_create(i915, request->batch); + capture = capture_vma(capture, + request->batch, + &ee->batchbuffer); if (HAS_BROKEN_CS_TLB(i915)) - ee->wa_batchbuffer = - i915_error_object_create(i915, - i915->gt.scratch); - request_record_user_bo(request, ee); + capture = capture_vma(capture, + engine->gt->scratch, + &ee->wa_batchbuffer); - ee->ctx = - i915_error_object_create(i915, - request->hw_context->state); + capture = request_record_user_bo(request, ee, capture); + + capture = capture_vma(capture, + request->hw_context->state, + &ee->ctx); + + capture = capture_vma(capture, + ring->vma, + &ee->ringbuffer); error->simulated |= i915_gem_context_no_error_capture(ctx); @@ -1466,116 +1458,63 @@ static void gem_record_rings(struct i915_gpu_state *error) ee->cpu_ring_head = ring->head; ee->cpu_ring_tail = ring->tail; - ee->ringbuffer = - i915_error_object_create(i915, ring->vma); engine_record_requests(engine, request, ee); } spin_unlock_irqrestore(&engine->active.lock, flags); - ee->hws_page = - i915_error_object_create(i915, - engine->status_page.vma); - - ee->wa_ctx = i915_error_object_create(i915, engine->wa_ctx.vma); + while (capture) { + struct capture_vma *this = capture; + struct i915_vma *vma = *this->slot; - ee->default_state = capture_object(i915, engine->default_state); - } -} + *this->slot = + i915_error_object_create(i915, vma, compress); -static void gem_capture_vm(struct i915_gpu_state *error, - struct i915_address_space *vm, - int idx) -{ - struct drm_i915_error_buffer *active_bo; - struct i915_vma *vma; - int count; + i915_active_ungrab(&vma->active); + i915_vma_put(vma); - count = 0; - list_for_each_entry(vma, &vm->bound_list, vm_link) - if (i915_vma_is_active(vma)) - count++; - - active_bo = NULL; - if (count) - active_bo = kcalloc(count, sizeof(*active_bo), GFP_ATOMIC); - if (active_bo) - count = capture_error_bo(active_bo, - count, &vm->bound_list, - ACTIVE_ONLY); - else - count = 0; - - error->active_vm[idx] = vm; - error->active_bo[idx] = active_bo; - error->active_bo_count[idx] = count; -} - -static void capture_active_buffers(struct i915_gpu_state *error) -{ - int cnt = 0, i, j; - - BUILD_BUG_ON(ARRAY_SIZE(error->engine) > ARRAY_SIZE(error->active_bo)); - BUILD_BUG_ON(ARRAY_SIZE(error->active_bo) != ARRAY_SIZE(error->active_vm)); - BUILD_BUG_ON(ARRAY_SIZE(error->active_bo) != ARRAY_SIZE(error->active_bo_count)); + capture = this->next; + kfree(this); + } - /* Scan each engine looking for unique active contexts/vm */ - for (i = 0; i < ARRAY_SIZE(error->engine); i++) { - struct drm_i915_error_engine *ee = &error->engine[i]; - bool found; + ee->hws_page = + i915_error_object_create(i915, + engine->status_page.vma, + compress); - if (!ee->vm) - continue; + ee->wa_ctx = + i915_error_object_create(i915, + engine->wa_ctx.vma, + compress); - found = false; - for (j = 0; j < i && !found; j++) - found = error->engine[j].vm == ee->vm; - if (!found) - gem_capture_vm(error, ee->vm, cnt++); + ee->default_state = + capture_object(i915, engine->default_state, compress); } } -static void capture_pinned_buffers(struct i915_gpu_state *error) -{ - struct i915_address_space *vm = &error->i915->ggtt.vm; - struct drm_i915_error_buffer *bo; - struct i915_vma *vma; - int count; - - count = 0; - list_for_each_entry(vma, &vm->bound_list, vm_link) - count++; - - bo = NULL; - if (count) - bo = kcalloc(count, sizeof(*bo), GFP_ATOMIC); - if (!bo) - return; - - error->pinned_bo_count = - capture_error_bo(bo, count, &vm->bound_list, PINNED_ONLY); - error->pinned_bo = bo; -} - -static void capture_uc_state(struct i915_gpu_state *error) +static void +capture_uc_state(struct i915_gpu_state *error, struct compress *compress) { struct drm_i915_private *i915 = error->i915; struct i915_error_uc *error_uc = &error->uc; + struct intel_uc *uc = &i915->gt.uc; /* Capturing uC state won't be useful if there is no GuC */ - if (!error->device_info.has_guc) + if (!error->device_info.has_gt_uc) return; - error_uc->guc_fw = i915->guc.fw; - error_uc->huc_fw = i915->huc.fw; + error_uc->guc_fw = uc->guc.fw; + error_uc->huc_fw = uc->huc.fw; /* Non-default firmware paths will be specified by the modparam. * As modparams are generally accesible from the userspace make * explicit copies of the firmware paths. */ - error_uc->guc_fw.path = kstrdup(i915->guc.fw.path, GFP_ATOMIC); - error_uc->huc_fw.path = kstrdup(i915->huc.fw.path, GFP_ATOMIC); - error_uc->guc_log = i915_error_object_create(i915, i915->guc.log.vma); + error_uc->guc_fw.path = kstrdup(uc->guc.fw.path, ALLOW_FAIL); + error_uc->huc_fw.path = kstrdup(uc->huc.fw.path, ALLOW_FAIL); + error_uc->guc_log = i915_error_object_create(i915, + uc->guc.log.vma, + compress); } /* Capture all registers which don't fit into another category. */ @@ -1759,56 +1698,53 @@ static void capture_finish(struct i915_gpu_state *error) ggtt->vm.clear_range(&ggtt->vm, slot, PAGE_SIZE); } -static int capture(void *data) -{ - struct i915_gpu_state *error = data; - - error->time = ktime_get_real(); - error->boottime = ktime_get_boottime(); - error->uptime = ktime_sub(ktime_get(), - error->i915->gt.last_init_time); - error->capture = jiffies; - - capture_params(error); - capture_gen_state(error); - capture_uc_state(error); - capture_reg_state(error); - gem_record_fences(error); - gem_record_rings(error); - capture_active_buffers(error); - capture_pinned_buffers(error); - - error->overlay = intel_overlay_capture_error_state(error->i915); - error->display = intel_display_capture_error_state(error->i915); - - error->epoch = capture_find_epoch(error); - - capture_finish(error); - return 0; -} - #define DAY_AS_SECONDS(x) (24 * 60 * 60 * (x)) struct i915_gpu_state * i915_capture_gpu_state(struct drm_i915_private *i915) { struct i915_gpu_state *error; + struct compress compress; /* Check if GPU capture has been disabled */ error = READ_ONCE(i915->gpu_error.first_error); if (IS_ERR(error)) return error; - error = kzalloc(sizeof(*error), GFP_ATOMIC); + error = kzalloc(sizeof(*error), ALLOW_FAIL); if (!error) { i915_disable_error_state(i915, -ENOMEM); return ERR_PTR(-ENOMEM); } + if (!compress_init(&compress)) { + kfree(error); + i915_disable_error_state(i915, -ENOMEM); + return ERR_PTR(-ENOMEM); + } + kref_init(&error->ref); error->i915 = i915; - stop_machine(capture, error, NULL); + error->time = ktime_get_real(); + error->boottime = ktime_get_boottime(); + error->uptime = ktime_sub(ktime_get(), i915->gt.last_init_time); + error->capture = jiffies; + + capture_params(error); + capture_gen_state(error); + capture_uc_state(error, &compress); + capture_reg_state(error); + gem_record_fences(error); + gem_record_rings(error, &compress); + + error->overlay = intel_overlay_capture_error_state(i915); + error->display = intel_display_capture_error_state(i915); + + error->epoch = capture_find_epoch(error); + + capture_finish(error); + compress_fini(&compress); return error; } diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h index 2ecd0c6a1c94..a24c35107d16 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.h +++ b/drivers/gpu/drm/i915/i915_gpu_error.h @@ -7,6 +7,7 @@ #ifndef _I915_GPU_ERROR_H_ #define _I915_GPU_ERROR_H_ +#include <linux/atomic.h> #include <linux/kref.h> #include <linux/ktime.h> #include <linux/sched.h> @@ -14,9 +15,9 @@ #include <drm/drm_mm.h> #include "gt/intel_engine.h" +#include "gt/uc/intel_uc_fw.h" #include "intel_device_info.h" -#include "intel_uc_fw.h" #include "i915_gem.h" #include "i915_gem_gtt.h" @@ -84,7 +85,6 @@ struct i915_gpu_state { /* Software tracked state */ bool idle; unsigned long hangcheck_timestamp; - struct i915_address_space *vm; int num_requests; u32 reset_count; @@ -160,32 +160,10 @@ struct i915_gpu_state { } vm_info; } engine[I915_NUM_ENGINES]; - struct drm_i915_error_buffer { - u32 size; - u32 name; - u64 gtt_offset; - u32 read_domains; - u32 write_domain; - s32 fence_reg:I915_MAX_NUM_FENCE_BITS; - u32 tiling:2; - u32 dirty:1; - u32 purgeable:1; - u32 userptr:1; - u32 cache_level:3; - } *active_bo[I915_NUM_ENGINES], *pinned_bo; - u32 active_bo_count[I915_NUM_ENGINES], pinned_bo_count; - struct i915_address_space *active_vm[I915_NUM_ENGINES]; - struct scatterlist *sgl, *fit; }; struct i915_gpu_error { - /* For hangcheck timer */ -#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */ -#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD) - - struct delayed_work hangcheck_work; - /* For reset and error_state handling. */ spinlock_t lock; /* Protected by the above dev->gpu_error.lock. */ @@ -193,52 +171,11 @@ struct i915_gpu_error { atomic_t pending_fb_pin; - /** - * flags: Control various stages of the GPU reset - * - * #I915_RESET_BACKOFF - When we start a global reset, we need to - * serialise with any other users attempting to do the same, and - * any global resources that may be clobber by the reset (such as - * FENCE registers). - * - * #I915_RESET_ENGINE[num_engines] - Since the driver doesn't need to - * acquire the struct_mutex to reset an engine, we need an explicit - * flag to prevent two concurrent reset attempts in the same engine. - * As the number of engines continues to grow, allocate the flags from - * the most significant bits. - * - * #I915_WEDGED - If reset fails and we can no longer use the GPU, - * we set the #I915_WEDGED bit. Prior to command submission, e.g. - * i915_request_alloc(), this bit is checked and the sequence - * aborted (with -EIO reported to userspace) if set. - */ - unsigned long flags; -#define I915_RESET_BACKOFF 0 -#define I915_RESET_MODESET 1 -#define I915_RESET_ENGINE 2 -#define I915_WEDGED (BITS_PER_LONG - 1) - /** Number of times the device has been reset (global) */ - u32 reset_count; + atomic_t reset_count; /** Number of times an engine has been reset */ - u32 reset_engine_count[I915_NUM_ENGINES]; - - struct mutex wedge_mutex; /* serialises wedging/unwedging */ - - /** - * Waitqueue to signal when a hang is detected. Used to for waiters - * to release the struct_mutex for the reset to procede. - */ - wait_queue_head_t wait_queue; - - /** - * Waitqueue to signal when the reset has completed. Used by clients - * that wait for dev_priv->mm.wedged to settle. - */ - wait_queue_head_t reset_queue; - - struct srcu_struct reset_backoff_srcu; + atomic_t reset_engine_count[I915_NUM_ENGINES]; }; struct drm_i915_error_state_buf { diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index b2e27b5b0df9..a17d4fd17962 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -42,6 +42,8 @@ #include "display/intel_lpe_audio.h" #include "display/intel_psr.h" +#include "gt/intel_gt.h" + #include "i915_drv.h" #include "i915_irq.h" #include "i915_trace.h" @@ -264,7 +266,7 @@ static void gen2_irq_init(struct intel_uncore *uncore, gen2_irq_init((uncore), imr_val, ier_val) static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir); -static void gen9_guc_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir); +static void guc_irq_handler(struct intel_guc *guc, u16 guc_iir); /* For display hotplug interrupt */ static inline void @@ -305,17 +307,17 @@ void i915_hotplug_interrupt_update(struct drm_i915_private *dev_priv, } static u32 -gen11_gt_engine_identity(struct drm_i915_private * const i915, +gen11_gt_engine_identity(struct intel_gt *gt, const unsigned int bank, const unsigned int bit); -static bool gen11_reset_one_iir(struct drm_i915_private * const i915, +static bool gen11_reset_one_iir(struct intel_gt *gt, const unsigned int bank, const unsigned int bit) { - void __iomem * const regs = i915->uncore.regs; + void __iomem * const regs = gt->uncore->regs; u32 dw; - lockdep_assert_held(&i915->irq_lock); + lockdep_assert_held(>->i915->irq_lock); dw = raw_reg_read(regs, GEN11_GT_INTR_DW(bank)); if (dw & BIT(bit)) { @@ -323,7 +325,7 @@ static bool gen11_reset_one_iir(struct drm_i915_private * const i915, * According to the BSpec, DW_IIR bits cannot be cleared without * first servicing the Selector & Shared IIR registers. */ - gen11_gt_engine_identity(i915, bank, bit); + gen11_gt_engine_identity(gt, bank, bit); /* * We locked GT INT DW by reading it. If we want to (try @@ -409,50 +411,54 @@ static i915_reg_t gen6_pm_iir(struct drm_i915_private *dev_priv) return INTEL_GEN(dev_priv) >= 8 ? GEN8_GT_IIR(2) : GEN6_PMIIR; } -static void write_pm_imr(struct drm_i915_private *dev_priv) +static void write_pm_imr(struct intel_gt *gt) { + struct drm_i915_private *i915 = gt->i915; + struct intel_uncore *uncore = gt->uncore; + u32 mask = gt->pm_imr; i915_reg_t reg; - u32 mask = dev_priv->pm_imr; - if (INTEL_GEN(dev_priv) >= 11) { + if (INTEL_GEN(i915) >= 11) { reg = GEN11_GPM_WGBOXPERF_INTR_MASK; /* pm is in upper half */ mask = mask << 16; - } else if (INTEL_GEN(dev_priv) >= 8) { + } else if (INTEL_GEN(i915) >= 8) { reg = GEN8_GT_IMR(2); } else { reg = GEN6_PMIMR; } - I915_WRITE(reg, mask); - POSTING_READ(reg); + intel_uncore_write(uncore, reg, mask); + intel_uncore_posting_read(uncore, reg); } -static void write_pm_ier(struct drm_i915_private *dev_priv) +static void write_pm_ier(struct intel_gt *gt) { + struct drm_i915_private *i915 = gt->i915; + struct intel_uncore *uncore = gt->uncore; + u32 mask = gt->pm_ier; i915_reg_t reg; - u32 mask = dev_priv->pm_ier; - if (INTEL_GEN(dev_priv) >= 11) { + if (INTEL_GEN(i915) >= 11) { reg = GEN11_GPM_WGBOXPERF_INTR_ENABLE; /* pm is in upper half */ mask = mask << 16; - } else if (INTEL_GEN(dev_priv) >= 8) { + } else if (INTEL_GEN(i915) >= 8) { reg = GEN8_GT_IER(2); } else { reg = GEN6_PMIER; } - I915_WRITE(reg, mask); + intel_uncore_write(uncore, reg, mask); } /** * snb_update_pm_irq - update GEN6_PMIMR - * @dev_priv: driver private + * @gt: gt for the interrupts * @interrupt_mask: mask of interrupt bits to update * @enabled_irq_mask: mask of interrupt bits to enable */ -static void snb_update_pm_irq(struct drm_i915_private *dev_priv, +static void snb_update_pm_irq(struct intel_gt *gt, u32 interrupt_mask, u32 enabled_irq_mask) { @@ -460,37 +466,37 @@ static void snb_update_pm_irq(struct drm_i915_private *dev_priv, WARN_ON(enabled_irq_mask & ~interrupt_mask); - lockdep_assert_held(&dev_priv->irq_lock); + lockdep_assert_held(>->i915->irq_lock); - new_val = dev_priv->pm_imr; + new_val = gt->pm_imr; new_val &= ~interrupt_mask; new_val |= (~enabled_irq_mask & interrupt_mask); - if (new_val != dev_priv->pm_imr) { - dev_priv->pm_imr = new_val; - write_pm_imr(dev_priv); + if (new_val != gt->pm_imr) { + gt->pm_imr = new_val; + write_pm_imr(gt); } } -void gen6_unmask_pm_irq(struct drm_i915_private *dev_priv, u32 mask) +void gen6_unmask_pm_irq(struct intel_gt *gt, u32 mask) { - if (WARN_ON(!intel_irqs_enabled(dev_priv))) + if (WARN_ON(!intel_irqs_enabled(gt->i915))) return; - snb_update_pm_irq(dev_priv, mask, mask); + snb_update_pm_irq(gt, mask, mask); } -static void __gen6_mask_pm_irq(struct drm_i915_private *dev_priv, u32 mask) +static void __gen6_mask_pm_irq(struct intel_gt *gt, u32 mask) { - snb_update_pm_irq(dev_priv, mask, 0); + snb_update_pm_irq(gt, mask, 0); } -void gen6_mask_pm_irq(struct drm_i915_private *dev_priv, u32 mask) +void gen6_mask_pm_irq(struct intel_gt *gt, u32 mask) { - if (WARN_ON(!intel_irqs_enabled(dev_priv))) + if (WARN_ON(!intel_irqs_enabled(gt->i915))) return; - __gen6_mask_pm_irq(dev_priv, mask); + __gen6_mask_pm_irq(gt, mask); } static void gen6_reset_pm_iir(struct drm_i915_private *dev_priv, u32 reset_mask) @@ -504,23 +510,23 @@ static void gen6_reset_pm_iir(struct drm_i915_private *dev_priv, u32 reset_mask) POSTING_READ(reg); } -static void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, u32 enable_mask) +static void gen6_enable_pm_irq(struct intel_gt *gt, u32 enable_mask) { - lockdep_assert_held(&dev_priv->irq_lock); + lockdep_assert_held(>->i915->irq_lock); - dev_priv->pm_ier |= enable_mask; - write_pm_ier(dev_priv); - gen6_unmask_pm_irq(dev_priv, enable_mask); + gt->pm_ier |= enable_mask; + write_pm_ier(gt); + gen6_unmask_pm_irq(gt, enable_mask); /* unmask_pm_irq provides an implicit barrier (POSTING_READ) */ } -static void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, u32 disable_mask) +static void gen6_disable_pm_irq(struct intel_gt *gt, u32 disable_mask) { - lockdep_assert_held(&dev_priv->irq_lock); + lockdep_assert_held(>->i915->irq_lock); - dev_priv->pm_ier &= ~disable_mask; - __gen6_mask_pm_irq(dev_priv, disable_mask); - write_pm_ier(dev_priv); + gt->pm_ier &= ~disable_mask; + __gen6_mask_pm_irq(gt, disable_mask); + write_pm_ier(gt); /* though a barrier is missing here, but don't really need a one */ } @@ -528,7 +534,7 @@ void gen11_reset_rps_interrupts(struct drm_i915_private *dev_priv) { spin_lock_irq(&dev_priv->irq_lock); - while (gen11_reset_one_iir(dev_priv, 0, GEN11_GTPM)) + while (gen11_reset_one_iir(&dev_priv->gt, 0, GEN11_GTPM)) ; dev_priv->gt_pm.rps.pm_iir = 0; @@ -546,6 +552,7 @@ void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv) void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv) { + struct intel_gt *gt = &dev_priv->gt; struct intel_rps *rps = &dev_priv->gt_pm.rps; if (READ_ONCE(rps->interrupts_enabled)) @@ -555,12 +562,12 @@ void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv) WARN_ON_ONCE(rps->pm_iir); if (INTEL_GEN(dev_priv) >= 11) - WARN_ON_ONCE(gen11_reset_one_iir(dev_priv, 0, GEN11_GTPM)); + WARN_ON_ONCE(gen11_reset_one_iir(gt, 0, GEN11_GTPM)); else WARN_ON_ONCE(I915_READ(gen6_pm_iir(dev_priv)) & dev_priv->pm_rps_events); rps->interrupts_enabled = true; - gen6_enable_pm_irq(dev_priv, dev_priv->pm_rps_events); + gen6_enable_pm_irq(gt, dev_priv->pm_rps_events); spin_unlock_irq(&dev_priv->irq_lock); } @@ -577,10 +584,10 @@ void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv) I915_WRITE(GEN6_PMINTRMSK, gen6_sanitize_rps_pm_mask(dev_priv, ~0u)); - gen6_disable_pm_irq(dev_priv, GEN6_PM_RPS_EVENTS); + gen6_disable_pm_irq(&dev_priv->gt, GEN6_PM_RPS_EVENTS); spin_unlock_irq(&dev_priv->irq_lock); - synchronize_irq(dev_priv->drm.irq); + intel_synchronize_irq(dev_priv); /* Now that we will not be generating any more work, flush any * outstanding tasks. As we are called on the RPS idle path, @@ -594,78 +601,94 @@ void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv) gen6_reset_rps_interrupts(dev_priv); } -void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv) +void gen9_reset_guc_interrupts(struct intel_guc *guc) { - assert_rpm_wakelock_held(&dev_priv->runtime_pm); + struct intel_gt *gt = guc_to_gt(guc); + struct drm_i915_private *i915 = gt->i915; - spin_lock_irq(&dev_priv->irq_lock); - gen6_reset_pm_iir(dev_priv, dev_priv->pm_guc_events); - spin_unlock_irq(&dev_priv->irq_lock); + assert_rpm_wakelock_held(&i915->runtime_pm); + + spin_lock_irq(&i915->irq_lock); + gen6_reset_pm_iir(i915, gt->pm_guc_events); + spin_unlock_irq(&i915->irq_lock); } -void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv) +void gen9_enable_guc_interrupts(struct intel_guc *guc) { - assert_rpm_wakelock_held(&dev_priv->runtime_pm); + struct intel_gt *gt = guc_to_gt(guc); + struct drm_i915_private *i915 = gt->i915; - spin_lock_irq(&dev_priv->irq_lock); - if (!dev_priv->guc.interrupts.enabled) { - WARN_ON_ONCE(I915_READ(gen6_pm_iir(dev_priv)) & - dev_priv->pm_guc_events); - dev_priv->guc.interrupts.enabled = true; - gen6_enable_pm_irq(dev_priv, dev_priv->pm_guc_events); + assert_rpm_wakelock_held(&i915->runtime_pm); + + spin_lock_irq(&i915->irq_lock); + if (!guc->interrupts.enabled) { + WARN_ON_ONCE(intel_uncore_read(gt->uncore, gen6_pm_iir(i915)) & + gt->pm_guc_events); + guc->interrupts.enabled = true; + gen6_enable_pm_irq(gt, gt->pm_guc_events); } - spin_unlock_irq(&dev_priv->irq_lock); + spin_unlock_irq(&i915->irq_lock); } -void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv) +void gen9_disable_guc_interrupts(struct intel_guc *guc) { - assert_rpm_wakelock_held(&dev_priv->runtime_pm); + struct intel_gt *gt = guc_to_gt(guc); + struct drm_i915_private *i915 = gt->i915; - spin_lock_irq(&dev_priv->irq_lock); - dev_priv->guc.interrupts.enabled = false; + assert_rpm_wakelock_held(&i915->runtime_pm); - gen6_disable_pm_irq(dev_priv, dev_priv->pm_guc_events); + spin_lock_irq(&i915->irq_lock); + guc->interrupts.enabled = false; - spin_unlock_irq(&dev_priv->irq_lock); - synchronize_irq(dev_priv->drm.irq); + gen6_disable_pm_irq(gt, gt->pm_guc_events); - gen9_reset_guc_interrupts(dev_priv); + spin_unlock_irq(&i915->irq_lock); + intel_synchronize_irq(i915); + + gen9_reset_guc_interrupts(guc); } -void gen11_reset_guc_interrupts(struct drm_i915_private *i915) +void gen11_reset_guc_interrupts(struct intel_guc *guc) { + struct intel_gt *gt = guc_to_gt(guc); + struct drm_i915_private *i915 = gt->i915; + spin_lock_irq(&i915->irq_lock); - gen11_reset_one_iir(i915, 0, GEN11_GUC); + gen11_reset_one_iir(gt, 0, GEN11_GUC); spin_unlock_irq(&i915->irq_lock); } -void gen11_enable_guc_interrupts(struct drm_i915_private *dev_priv) +void gen11_enable_guc_interrupts(struct intel_guc *guc) { - spin_lock_irq(&dev_priv->irq_lock); - if (!dev_priv->guc.interrupts.enabled) { - u32 events = REG_FIELD_PREP(ENGINE1_MASK, - GEN11_GUC_INTR_GUC2HOST); - - WARN_ON_ONCE(gen11_reset_one_iir(dev_priv, 0, GEN11_GUC)); - I915_WRITE(GEN11_GUC_SG_INTR_ENABLE, events); - I915_WRITE(GEN11_GUC_SG_INTR_MASK, ~events); - dev_priv->guc.interrupts.enabled = true; + struct intel_gt *gt = guc_to_gt(guc); + + spin_lock_irq(>->i915->irq_lock); + if (!guc->interrupts.enabled) { + u32 events = REG_FIELD_PREP(ENGINE1_MASK, GUC_INTR_GUC2HOST); + + WARN_ON_ONCE(gen11_reset_one_iir(gt, 0, GEN11_GUC)); + intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_ENABLE, events); + intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_MASK, ~events); + guc->interrupts.enabled = true; } - spin_unlock_irq(&dev_priv->irq_lock); + spin_unlock_irq(>->i915->irq_lock); } -void gen11_disable_guc_interrupts(struct drm_i915_private *dev_priv) +void gen11_disable_guc_interrupts(struct intel_guc *guc) { - spin_lock_irq(&dev_priv->irq_lock); - dev_priv->guc.interrupts.enabled = false; + struct intel_gt *gt = guc_to_gt(guc); + struct drm_i915_private *i915 = gt->i915; - I915_WRITE(GEN11_GUC_SG_INTR_MASK, ~0); - I915_WRITE(GEN11_GUC_SG_INTR_ENABLE, 0); + spin_lock_irq(&i915->irq_lock); + guc->interrupts.enabled = false; - spin_unlock_irq(&dev_priv->irq_lock); - synchronize_irq(dev_priv->drm.irq); + intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_MASK, ~0); + intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_ENABLE, 0); - gen11_reset_guc_interrupts(dev_priv); + spin_unlock_irq(&i915->irq_lock); + intel_synchronize_irq(i915); + + gen11_reset_guc_interrupts(guc); } /** @@ -924,11 +947,12 @@ static void i915_enable_asle_pipestat(struct drm_i915_private *dev_priv) /* Called from drm generic code, passed a 'crtc', which * we use as a pipe index */ -static u32 i915_get_vblank_counter(struct drm_device *dev, unsigned int pipe) +u32 i915_get_vblank_counter(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); - struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + struct drm_vblank_crtc *vblank = &dev_priv->drm.vblank[drm_crtc_index(crtc)]; const struct drm_display_mode *mode = &vblank->hwmode; + enum pipe pipe = to_intel_crtc(crtc)->pipe; i915_reg_t high_frame, low_frame; u32 high1, high2, low, pixel, vbl_start, hsync_start, htotal; unsigned long irqflags; @@ -989,9 +1013,10 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, unsigned int pipe) return (((high1 << 8) | low) + (pixel >= vbl_start)) & 0xffffff; } -static u32 g4x_get_vblank_counter(struct drm_device *dev, unsigned int pipe) +u32 g4x_get_vblank_counter(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; return I915_READ(PIPE_FRMCOUNT_G4X(pipe)); } @@ -1107,10 +1132,10 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc) return (position + crtc->scanline_offset) % vtotal; } -static bool i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, - bool in_vblank_irq, int *vpos, int *hpos, - ktime_t *stime, ktime_t *etime, - const struct drm_display_mode *mode) +bool i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, + bool in_vblank_irq, int *vpos, int *hpos, + ktime_t *stime, ktime_t *etime, + const struct drm_display_mode *mode) { struct drm_i915_private *dev_priv = to_i915(dev); struct intel_crtc *intel_crtc = intel_get_crtc_for_pipe(dev_priv, @@ -1424,7 +1449,7 @@ out: /* Make sure not to corrupt PMIMR state used by ringbuffer on GEN6 */ spin_lock_irq(&dev_priv->irq_lock); if (rps->interrupts_enabled) - gen6_unmask_pm_irq(dev_priv, dev_priv->pm_rps_events); + gen6_unmask_pm_irq(&dev_priv->gt, dev_priv->pm_rps_events); spin_unlock_irq(&dev_priv->irq_lock); } @@ -1637,7 +1662,7 @@ static void gen8_gt_irq_handler(struct drm_i915_private *i915, if (master_ctl & (GEN8_GT_PM_IRQ | GEN8_GT_GUC_IRQ)) { gen6_rps_irq_handler(i915, gt_iir[2]); - gen9_guc_irq_handler(i915, gt_iir[2]); + guc_irq_handler(&i915->gt.uc.guc, gt_iir[2] >> 16); } } @@ -1891,8 +1916,9 @@ static void i9xx_pipe_crc_irq_handler(struct drm_i915_private *dev_priv, /* The RPS events need forcewake, so we add them to a work queue and mask their * IMR bits until the work is done. Other interrupts can be processed without * the work queue. */ -static void gen11_rps_irq_handler(struct drm_i915_private *i915, u32 pm_iir) +static void gen11_rps_irq_handler(struct intel_gt *gt, u32 pm_iir) { + struct drm_i915_private *i915 = gt->i915; struct intel_rps *rps = &i915->gt_pm.rps; const u32 events = i915->pm_rps_events & pm_iir; @@ -1901,7 +1927,7 @@ static void gen11_rps_irq_handler(struct drm_i915_private *i915, u32 pm_iir) if (unlikely(!events)) return; - gen6_mask_pm_irq(i915, events); + gen6_mask_pm_irq(gt, events); if (!rps->interrupts_enabled) return; @@ -1916,7 +1942,8 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) if (pm_iir & dev_priv->pm_rps_events) { spin_lock(&dev_priv->irq_lock); - gen6_mask_pm_irq(dev_priv, pm_iir & dev_priv->pm_rps_events); + gen6_mask_pm_irq(&dev_priv->gt, + pm_iir & dev_priv->pm_rps_events); if (rps->interrupts_enabled) { rps->pm_iir |= pm_iir & dev_priv->pm_rps_events; schedule_work(&rps->work); @@ -1934,16 +1961,10 @@ static void gen6_rps_irq_handler(struct drm_i915_private *dev_priv, u32 pm_iir) DRM_DEBUG("Command parser error, pm_iir 0x%08x\n", pm_iir); } -static void gen9_guc_irq_handler(struct drm_i915_private *dev_priv, u32 gt_iir) +static void guc_irq_handler(struct intel_guc *guc, u16 iir) { - if (gt_iir & GEN9_GUC_TO_HOST_INT_EVENT) - intel_guc_to_host_event_handler(&dev_priv->guc); -} - -static void gen11_guc_irq_handler(struct drm_i915_private *i915, u16 iir) -{ - if (iir & GEN11_GUC_INTR_GUC2HOST) - intel_guc_to_host_event_handler(&i915->guc); + if (iir & GUC_INTR_GUC2HOST) + intel_guc_to_host_event_handler(guc); } static void i9xx_pipestat_irq_reset(struct drm_i915_private *dev_priv) @@ -2185,8 +2206,7 @@ static void i9xx_hpd_irq_handler(struct drm_i915_private *dev_priv, static irqreturn_t valleyview_irq_handler(int irq, void *arg) { - struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = arg; irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -2271,8 +2291,7 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) static irqreturn_t cherryview_irq_handler(int irq, void *arg) { - struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = arg; irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -2691,8 +2710,7 @@ static void ivb_display_irq_handler(struct drm_i915_private *dev_priv, */ static irqreturn_t ironlake_irq_handler(int irq, void *arg) { - struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = arg; u32 de_iir, gt_iir, de_ier, sde_ier = 0; irqreturn_t ret = IRQ_NONE; @@ -2826,6 +2844,14 @@ static u32 gen8_de_port_aux_mask(struct drm_i915_private *dev_priv) return mask; } +static u32 gen8_de_pipe_fault_mask(struct drm_i915_private *dev_priv) +{ + if (INTEL_GEN(dev_priv) >= 9) + return GEN9_DE_PIPE_IRQ_FAULT_ERRORS; + else + return GEN8_DE_PIPE_IRQ_FAULT_ERRORS; +} + static irqreturn_t gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) { @@ -2938,12 +2964,7 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl) if (iir & GEN8_PIPE_FIFO_UNDERRUN) intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe); - fault_errors = iir; - if (INTEL_GEN(dev_priv) >= 9) - fault_errors &= GEN9_DE_PIPE_IRQ_FAULT_ERRORS; - else - fault_errors &= GEN8_DE_PIPE_IRQ_FAULT_ERRORS; - + fault_errors = iir & gen8_de_pipe_fault_mask(dev_priv); if (fault_errors) DRM_ERROR("Fault errors on pipe %c: 0x%08x\n", pipe_name(pipe), @@ -3002,7 +3023,7 @@ static inline void gen8_master_intr_enable(void __iomem * const regs) static irqreturn_t gen8_irq_handler(int irq, void *arg) { - struct drm_i915_private *dev_priv = to_i915(arg); + struct drm_i915_private *dev_priv = arg; void __iomem * const regs = dev_priv->uncore.regs; u32 master_ctl; u32 gt_iir[4]; @@ -3034,14 +3055,14 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg) } static u32 -gen11_gt_engine_identity(struct drm_i915_private * const i915, +gen11_gt_engine_identity(struct intel_gt *gt, const unsigned int bank, const unsigned int bit) { - void __iomem * const regs = i915->uncore.regs; + void __iomem * const regs = gt->uncore->regs; u32 timeout_ts; u32 ident; - lockdep_assert_held(&i915->irq_lock); + lockdep_assert_held(>->i915->irq_lock); raw_reg_write(regs, GEN11_IIR_REG_SELECTOR(bank), BIT(bit)); @@ -3068,27 +3089,27 @@ gen11_gt_engine_identity(struct drm_i915_private * const i915, } static void -gen11_other_irq_handler(struct drm_i915_private * const i915, - const u8 instance, const u16 iir) +gen11_other_irq_handler(struct intel_gt *gt, const u8 instance, + const u16 iir) { if (instance == OTHER_GUC_INSTANCE) - return gen11_guc_irq_handler(i915, iir); + return guc_irq_handler(>->uc.guc, iir); if (instance == OTHER_GTPM_INSTANCE) - return gen11_rps_irq_handler(i915, iir); + return gen11_rps_irq_handler(gt, iir); WARN_ONCE(1, "unhandled other interrupt instance=0x%x, iir=0x%x\n", instance, iir); } static void -gen11_engine_irq_handler(struct drm_i915_private * const i915, - const u8 class, const u8 instance, const u16 iir) +gen11_engine_irq_handler(struct intel_gt *gt, const u8 class, + const u8 instance, const u16 iir) { struct intel_engine_cs *engine; if (instance <= MAX_ENGINE_INSTANCE) - engine = i915->engine_class[class][instance]; + engine = gt->i915->engine_class[class][instance]; else engine = NULL; @@ -3100,8 +3121,7 @@ gen11_engine_irq_handler(struct drm_i915_private * const i915, } static void -gen11_gt_identity_handler(struct drm_i915_private * const i915, - const u32 identity) +gen11_gt_identity_handler(struct intel_gt *gt, const u32 identity) { const u8 class = GEN11_INTR_ENGINE_CLASS(identity); const u8 instance = GEN11_INTR_ENGINE_INSTANCE(identity); @@ -3111,31 +3131,30 @@ gen11_gt_identity_handler(struct drm_i915_private * const i915, return; if (class <= COPY_ENGINE_CLASS) - return gen11_engine_irq_handler(i915, class, instance, intr); + return gen11_engine_irq_handler(gt, class, instance, intr); if (class == OTHER_CLASS) - return gen11_other_irq_handler(i915, instance, intr); + return gen11_other_irq_handler(gt, instance, intr); WARN_ONCE(1, "unknown interrupt class=0x%x, instance=0x%x, intr=0x%x\n", class, instance, intr); } static void -gen11_gt_bank_handler(struct drm_i915_private * const i915, - const unsigned int bank) +gen11_gt_bank_handler(struct intel_gt *gt, const unsigned int bank) { - void __iomem * const regs = i915->uncore.regs; + void __iomem * const regs = gt->uncore->regs; unsigned long intr_dw; unsigned int bit; - lockdep_assert_held(&i915->irq_lock); + lockdep_assert_held(>->i915->irq_lock); intr_dw = raw_reg_read(regs, GEN11_GT_INTR_DW(bank)); for_each_set_bit(bit, &intr_dw, 32) { - const u32 ident = gen11_gt_engine_identity(i915, bank, bit); + const u32 ident = gen11_gt_engine_identity(gt, bank, bit); - gen11_gt_identity_handler(i915, ident); + gen11_gt_identity_handler(gt, ident); } /* Clear must be after shared has been served for engine */ @@ -3143,25 +3162,25 @@ gen11_gt_bank_handler(struct drm_i915_private * const i915, } static void -gen11_gt_irq_handler(struct drm_i915_private * const i915, - const u32 master_ctl) +gen11_gt_irq_handler(struct intel_gt *gt, const u32 master_ctl) { + struct drm_i915_private *i915 = gt->i915; unsigned int bank; spin_lock(&i915->irq_lock); for (bank = 0; bank < 2; bank++) { if (master_ctl & GEN11_GT_DW_IRQ(bank)) - gen11_gt_bank_handler(i915, bank); + gen11_gt_bank_handler(gt, bank); } spin_unlock(&i915->irq_lock); } static u32 -gen11_gu_misc_irq_ack(struct drm_i915_private *dev_priv, const u32 master_ctl) +gen11_gu_misc_irq_ack(struct intel_gt *gt, const u32 master_ctl) { - void __iomem * const regs = dev_priv->uncore.regs; + void __iomem * const regs = gt->uncore->regs; u32 iir; if (!(master_ctl & GEN11_GU_MISC_IRQ)) @@ -3175,10 +3194,10 @@ gen11_gu_misc_irq_ack(struct drm_i915_private *dev_priv, const u32 master_ctl) } static void -gen11_gu_misc_irq_handler(struct drm_i915_private *dev_priv, const u32 iir) +gen11_gu_misc_irq_handler(struct intel_gt *gt, const u32 iir) { if (iir & GEN11_GU_MISC_GSE) - intel_opregion_asle_intr(dev_priv); + intel_opregion_asle_intr(gt->i915); } static inline u32 gen11_master_intr_disable(void __iomem * const regs) @@ -3201,8 +3220,9 @@ static inline void gen11_master_intr_enable(void __iomem * const regs) static irqreturn_t gen11_irq_handler(int irq, void *arg) { - struct drm_i915_private * const i915 = to_i915(arg); + struct drm_i915_private * const i915 = arg; void __iomem * const regs = i915->uncore.regs; + struct intel_gt *gt = &i915->gt; u32 master_ctl; u32 gu_misc_iir; @@ -3216,7 +3236,7 @@ static irqreturn_t gen11_irq_handler(int irq, void *arg) } /* Find, clear, then process each source of interrupt. */ - gen11_gt_irq_handler(i915, master_ctl); + gen11_gt_irq_handler(gt, master_ctl); /* IRQs are synced during runtime_suspend, we don't require a wakeref */ if (master_ctl & GEN11_DISPLAY_IRQ) { @@ -3231,11 +3251,11 @@ static irqreturn_t gen11_irq_handler(int irq, void *arg) enable_rpm_wakeref_asserts(&i915->runtime_pm); } - gu_misc_iir = gen11_gu_misc_irq_ack(i915, master_ctl); + gu_misc_iir = gen11_gu_misc_irq_ack(gt, master_ctl); gen11_master_intr_enable(regs); - gen11_gu_misc_irq_handler(i915, gu_misc_iir); + gen11_gu_misc_irq_handler(gt, gu_misc_iir); return IRQ_HANDLED; } @@ -3243,9 +3263,10 @@ static irqreturn_t gen11_irq_handler(int irq, void *arg) /* Called from drm generic code, passed 'crtc' which * we use as a pipe index */ -static int i8xx_enable_vblank(struct drm_device *dev, unsigned int pipe) +int i8xx_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3255,19 +3276,20 @@ static int i8xx_enable_vblank(struct drm_device *dev, unsigned int pipe) return 0; } -static int i945gm_enable_vblank(struct drm_device *dev, unsigned int pipe) +int i945gm_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); if (dev_priv->i945gm_vblank.enabled++ == 0) schedule_work(&dev_priv->i945gm_vblank.work); - return i8xx_enable_vblank(dev, pipe); + return i8xx_enable_vblank(crtc); } -static int i965_enable_vblank(struct drm_device *dev, unsigned int pipe) +int i965_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3278,9 +3300,10 @@ static int i965_enable_vblank(struct drm_device *dev, unsigned int pipe) return 0; } -static int ironlake_enable_vblank(struct drm_device *dev, unsigned int pipe) +int ilk_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; u32 bit = INTEL_GEN(dev_priv) >= 7 ? DE_PIPE_VBLANK_IVB(pipe) : DE_PIPE_VBLANK(pipe); @@ -3293,14 +3316,15 @@ static int ironlake_enable_vblank(struct drm_device *dev, unsigned int pipe) * PSR is active as no frames are generated. */ if (HAS_PSR(dev_priv)) - drm_vblank_restore(dev, pipe); + drm_crtc_vblank_restore(crtc); return 0; } -static int gen8_enable_vblank(struct drm_device *dev, unsigned int pipe) +int bdw_enable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3311,7 +3335,7 @@ static int gen8_enable_vblank(struct drm_device *dev, unsigned int pipe) * PSR is active as no frames are generated, so check only for PSR. */ if (HAS_PSR(dev_priv)) - drm_vblank_restore(dev, pipe); + drm_crtc_vblank_restore(crtc); return 0; } @@ -3319,9 +3343,10 @@ static int gen8_enable_vblank(struct drm_device *dev, unsigned int pipe) /* Called from drm generic code, passed 'crtc' which * we use as a pipe index */ -static void i8xx_disable_vblank(struct drm_device *dev, unsigned int pipe) +void i8xx_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3329,19 +3354,20 @@ static void i8xx_disable_vblank(struct drm_device *dev, unsigned int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static void i945gm_disable_vblank(struct drm_device *dev, unsigned int pipe) +void i945gm_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); - i8xx_disable_vblank(dev, pipe); + i8xx_disable_vblank(crtc); if (--dev_priv->i945gm_vblank.enabled == 0) schedule_work(&dev_priv->i945gm_vblank.work); } -static void i965_disable_vblank(struct drm_device *dev, unsigned int pipe) +void i965_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3350,9 +3376,10 @@ static void i965_disable_vblank(struct drm_device *dev, unsigned int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static void ironlake_disable_vblank(struct drm_device *dev, unsigned int pipe) +void ilk_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; u32 bit = INTEL_GEN(dev_priv) >= 7 ? DE_PIPE_VBLANK_IVB(pipe) : DE_PIPE_VBLANK(pipe); @@ -3362,9 +3389,10 @@ static void ironlake_disable_vblank(struct drm_device *dev, unsigned int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static void gen8_disable_vblank(struct drm_device *dev, unsigned int pipe) +void bdw_disable_vblank(struct drm_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(crtc->dev); + enum pipe pipe = to_intel_crtc(crtc)->pipe; unsigned long irqflags; spin_lock_irqsave(&dev_priv->irq_lock, irqflags); @@ -3447,10 +3475,8 @@ static void ibx_irq_reset(struct drm_i915_private *dev_priv) * * This function needs to be called before interrupts are enabled. */ -static void ibx_irq_pre_postinstall(struct drm_device *dev) +static void ibx_irq_pre_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); - if (HAS_PCH_NOP(dev_priv)) return; @@ -3473,12 +3499,12 @@ static void vlv_display_irq_reset(struct drm_i915_private *dev_priv) struct intel_uncore *uncore = &dev_priv->uncore; if (IS_CHERRYVIEW(dev_priv)) - I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK_CHV); + intel_uncore_write(uncore, DPINVGTT, DPINVGTT_STATUS_MASK_CHV); else - I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK); + intel_uncore_write(uncore, DPINVGTT, DPINVGTT_STATUS_MASK); i915_hotplug_interrupt_update_locked(dev_priv, 0xffffffff, 0); - I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); + intel_uncore_write(uncore, PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); i9xx_pipestat_irq_reset(dev_priv); @@ -3519,18 +3545,17 @@ static void vlv_display_irq_postinstall(struct drm_i915_private *dev_priv) /* drm_dma.h hooks */ -static void ironlake_irq_reset(struct drm_device *dev) +static void ironlake_irq_reset(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; GEN3_IRQ_RESET(uncore, DE); if (IS_GEN(dev_priv, 7)) - I915_WRITE(GEN7_ERR_INT, 0xffffffff); + intel_uncore_write(uncore, GEN7_ERR_INT, 0xffffffff); if (IS_HASWELL(dev_priv)) { - I915_WRITE(EDP_PSR_IMR, 0xffffffff); - I915_WRITE(EDP_PSR_IIR, 0xffffffff); + intel_uncore_write(uncore, EDP_PSR_IMR, 0xffffffff); + intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff); } gen5_gt_irq_reset(dev_priv); @@ -3538,10 +3563,8 @@ static void ironlake_irq_reset(struct drm_device *dev) ibx_irq_reset(dev_priv); } -static void valleyview_irq_reset(struct drm_device *dev) +static void valleyview_irq_reset(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); - I915_WRITE(VLV_MASTER_IER, 0); POSTING_READ(VLV_MASTER_IER); @@ -3563,9 +3586,8 @@ static void gen8_gt_irq_reset(struct drm_i915_private *dev_priv) GEN8_IRQ_RESET_NDX(uncore, GT, 3); } -static void gen8_irq_reset(struct drm_device *dev) +static void gen8_irq_reset(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; int pipe; @@ -3573,8 +3595,8 @@ static void gen8_irq_reset(struct drm_device *dev) gen8_gt_irq_reset(dev_priv); - I915_WRITE(EDP_PSR_IMR, 0xffffffff); - I915_WRITE(EDP_PSR_IIR, 0xffffffff); + intel_uncore_write(uncore, EDP_PSR_IMR, 0xffffffff); + intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff); for_each_pipe(dev_priv, pipe) if (intel_display_power_is_enabled(dev_priv, @@ -3589,39 +3611,40 @@ static void gen8_irq_reset(struct drm_device *dev) ibx_irq_reset(dev_priv); } -static void gen11_gt_irq_reset(struct drm_i915_private *dev_priv) +static void gen11_gt_irq_reset(struct intel_gt *gt) { + struct intel_uncore *uncore = gt->uncore; + /* Disable RCS, BCS, VCS and VECS class engines. */ - I915_WRITE(GEN11_RENDER_COPY_INTR_ENABLE, 0); - I915_WRITE(GEN11_VCS_VECS_INTR_ENABLE, 0); + intel_uncore_write(uncore, GEN11_RENDER_COPY_INTR_ENABLE, 0); + intel_uncore_write(uncore, GEN11_VCS_VECS_INTR_ENABLE, 0); /* Restore masks irqs on RCS, BCS, VCS and VECS engines. */ - I915_WRITE(GEN11_RCS0_RSVD_INTR_MASK, ~0); - I915_WRITE(GEN11_BCS_RSVD_INTR_MASK, ~0); - I915_WRITE(GEN11_VCS0_VCS1_INTR_MASK, ~0); - I915_WRITE(GEN11_VCS2_VCS3_INTR_MASK, ~0); - I915_WRITE(GEN11_VECS0_VECS1_INTR_MASK, ~0); + intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK, ~0); + intel_uncore_write(uncore, GEN11_BCS_RSVD_INTR_MASK, ~0); + intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK, ~0); + intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK, ~0); + intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~0); - I915_WRITE(GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0); - I915_WRITE(GEN11_GPM_WGBOXPERF_INTR_MASK, ~0); - I915_WRITE(GEN11_GUC_SG_INTR_ENABLE, 0); - I915_WRITE(GEN11_GUC_SG_INTR_MASK, ~0); + intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0); + intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_MASK, ~0); + intel_uncore_write(uncore, GEN11_GUC_SG_INTR_ENABLE, 0); + intel_uncore_write(uncore, GEN11_GUC_SG_INTR_MASK, ~0); } -static void gen11_irq_reset(struct drm_device *dev) +static void gen11_irq_reset(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_uncore *uncore = &dev_priv->uncore; int pipe; gen11_master_intr_disable(dev_priv->uncore.regs); - gen11_gt_irq_reset(dev_priv); + gen11_gt_irq_reset(&dev_priv->gt); - I915_WRITE(GEN11_DISPLAY_INT_CTL, 0); + intel_uncore_write(uncore, GEN11_DISPLAY_INT_CTL, 0); - I915_WRITE(EDP_PSR_IMR, 0xffffffff); - I915_WRITE(EDP_PSR_IIR, 0xffffffff); + intel_uncore_write(uncore, EDP_PSR_IMR, 0xffffffff); + intel_uncore_write(uncore, EDP_PSR_IIR, 0xffffffff); for_each_pipe(dev_priv, pipe) if (intel_display_power_is_enabled(dev_priv, @@ -3680,12 +3703,11 @@ void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, spin_unlock_irq(&dev_priv->irq_lock); /* make sure we're done processing display irqs */ - synchronize_irq(dev_priv->drm.irq); + intel_synchronize_irq(dev_priv); } -static void cherryview_irq_reset(struct drm_device *dev) +static void cherryview_irq_reset(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; I915_WRITE(GEN8_MASTER_IRQ, 0); @@ -3950,9 +3972,8 @@ static void bxt_hpd_irq_setup(struct drm_i915_private *dev_priv) __bxt_hpd_detection_setup(dev_priv, enabled_irqs); } -static void ibx_irq_postinstall(struct drm_device *dev) +static void ibx_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); u32 mask; if (HAS_PCH_NOP(dev_priv)) @@ -3975,9 +3996,8 @@ static void ibx_irq_postinstall(struct drm_device *dev) spt_hpd_detection_setup(dev_priv); } -static void gen5_gt_irq_postinstall(struct drm_device *dev) +static void gen5_gt_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; u32 pm_irqs, gt_irqs; @@ -4006,17 +4026,16 @@ static void gen5_gt_irq_postinstall(struct drm_device *dev) */ if (HAS_ENGINE(dev_priv, VECS0)) { pm_irqs |= PM_VEBOX_USER_INTERRUPT; - dev_priv->pm_ier |= PM_VEBOX_USER_INTERRUPT; + dev_priv->gt.pm_ier |= PM_VEBOX_USER_INTERRUPT; } - dev_priv->pm_imr = 0xffffffff; - GEN3_IRQ_INIT(uncore, GEN6_PM, dev_priv->pm_imr, pm_irqs); + dev_priv->gt.pm_imr = 0xffffffff; + GEN3_IRQ_INIT(uncore, GEN6_PM, dev_priv->gt.pm_imr, pm_irqs); } } -static int ironlake_irq_postinstall(struct drm_device *dev) +static void ironlake_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; u32 display_mask, extra_mask; @@ -4043,16 +4062,16 @@ static int ironlake_irq_postinstall(struct drm_device *dev) dev_priv->irq_mask = ~display_mask; - ibx_irq_pre_postinstall(dev); + ibx_irq_pre_postinstall(dev_priv); GEN3_IRQ_INIT(uncore, DE, dev_priv->irq_mask, display_mask | extra_mask); - gen5_gt_irq_postinstall(dev); + gen5_gt_irq_postinstall(dev_priv); ilk_hpd_detection_setup(dev_priv); - ibx_irq_postinstall(dev); + ibx_irq_postinstall(dev_priv); if (IS_IRONLAKE_M(dev_priv)) { /* Enable PCU event interrupts @@ -4064,8 +4083,6 @@ static int ironlake_irq_postinstall(struct drm_device *dev) ilk_enable_display_irq(dev_priv, DE_PCU_EVENT); spin_unlock_irq(&dev_priv->irq_lock); } - - return 0; } void valleyview_enable_display_irqs(struct drm_i915_private *dev_priv) @@ -4097,11 +4114,9 @@ void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv) } -static int valleyview_irq_postinstall(struct drm_device *dev) +static void valleyview_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); - - gen5_gt_irq_postinstall(dev); + gen5_gt_irq_postinstall(dev_priv); spin_lock_irq(&dev_priv->irq_lock); if (dev_priv->display_irqs_enabled) @@ -4110,13 +4125,12 @@ static int valleyview_irq_postinstall(struct drm_device *dev) I915_WRITE(VLV_MASTER_IER, MASTER_INTERRUPT_ENABLE); POSTING_READ(VLV_MASTER_IER); - - return 0; } -static void gen8_gt_irq_postinstall(struct drm_i915_private *dev_priv) +static void gen8_gt_irq_postinstall(struct drm_i915_private *i915) { - struct intel_uncore *uncore = &dev_priv->uncore; + struct intel_gt *gt = &i915->gt; + struct intel_uncore *uncore = gt->uncore; /* These are interrupts we'll toggle with the ring mask register */ u32 gt_interrupts[] = { @@ -4136,15 +4150,15 @@ static void gen8_gt_irq_postinstall(struct drm_i915_private *dev_priv) GT_CONTEXT_SWITCH_INTERRUPT << GEN8_VECS_IRQ_SHIFT) }; - dev_priv->pm_ier = 0x0; - dev_priv->pm_imr = ~dev_priv->pm_ier; + gt->pm_ier = 0x0; + gt->pm_imr = ~gt->pm_ier; GEN8_IRQ_INIT_NDX(uncore, GT, 0, ~gt_interrupts[0], gt_interrupts[0]); GEN8_IRQ_INIT_NDX(uncore, GT, 1, ~gt_interrupts[1], gt_interrupts[1]); /* * RPS interrupts will get enabled/disabled on demand when RPS itself * is enabled/disabled. Same wil be the case for GuC interrupts. */ - GEN8_IRQ_INIT_NDX(uncore, GT, 2, dev_priv->pm_imr, dev_priv->pm_ier); + GEN8_IRQ_INIT_NDX(uncore, GT, 2, gt->pm_imr, gt->pm_ier); GEN8_IRQ_INIT_NDX(uncore, GT, 3, ~gt_interrupts[3], gt_interrupts[3]); } @@ -4218,58 +4232,56 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv) } } -static int gen8_irq_postinstall(struct drm_device *dev) +static void gen8_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); - if (HAS_PCH_SPLIT(dev_priv)) - ibx_irq_pre_postinstall(dev); + ibx_irq_pre_postinstall(dev_priv); gen8_gt_irq_postinstall(dev_priv); gen8_de_irq_postinstall(dev_priv); if (HAS_PCH_SPLIT(dev_priv)) - ibx_irq_postinstall(dev); + ibx_irq_postinstall(dev_priv); gen8_master_intr_enable(dev_priv->uncore.regs); - - return 0; } -static void gen11_gt_irq_postinstall(struct drm_i915_private *dev_priv) +static void gen11_gt_irq_postinstall(struct intel_gt *gt) { const u32 irqs = GT_RENDER_USER_INTERRUPT | GT_CONTEXT_SWITCH_INTERRUPT; + struct intel_uncore *uncore = gt->uncore; + const u32 dmask = irqs << 16 | irqs; + const u32 smask = irqs << 16; BUILD_BUG_ON(irqs & 0xffff0000); /* Enable RCS, BCS, VCS and VECS class interrupts. */ - I915_WRITE(GEN11_RENDER_COPY_INTR_ENABLE, irqs << 16 | irqs); - I915_WRITE(GEN11_VCS_VECS_INTR_ENABLE, irqs << 16 | irqs); + intel_uncore_write(uncore, GEN11_RENDER_COPY_INTR_ENABLE, dmask); + intel_uncore_write(uncore, GEN11_VCS_VECS_INTR_ENABLE, dmask); /* Unmask irqs on RCS, BCS, VCS and VECS engines. */ - I915_WRITE(GEN11_RCS0_RSVD_INTR_MASK, ~(irqs << 16)); - I915_WRITE(GEN11_BCS_RSVD_INTR_MASK, ~(irqs << 16)); - I915_WRITE(GEN11_VCS0_VCS1_INTR_MASK, ~(irqs | irqs << 16)); - I915_WRITE(GEN11_VCS2_VCS3_INTR_MASK, ~(irqs | irqs << 16)); - I915_WRITE(GEN11_VECS0_VECS1_INTR_MASK, ~(irqs | irqs << 16)); + intel_uncore_write(uncore, GEN11_RCS0_RSVD_INTR_MASK, ~smask); + intel_uncore_write(uncore, GEN11_BCS_RSVD_INTR_MASK, ~smask); + intel_uncore_write(uncore, GEN11_VCS0_VCS1_INTR_MASK, ~dmask); + intel_uncore_write(uncore, GEN11_VCS2_VCS3_INTR_MASK, ~dmask); + intel_uncore_write(uncore, GEN11_VECS0_VECS1_INTR_MASK, ~dmask); /* * RPS interrupts will get enabled/disabled on demand when RPS itself * is enabled/disabled. */ - dev_priv->pm_ier = 0x0; - dev_priv->pm_imr = ~dev_priv->pm_ier; - I915_WRITE(GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0); - I915_WRITE(GEN11_GPM_WGBOXPERF_INTR_MASK, ~0); + gt->pm_ier = 0x0; + gt->pm_imr = ~gt->pm_ier; + intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_ENABLE, 0); + intel_uncore_write(uncore, GEN11_GPM_WGBOXPERF_INTR_MASK, ~0); /* Same thing for GuC interrupts */ - I915_WRITE(GEN11_GUC_SG_INTR_ENABLE, 0); - I915_WRITE(GEN11_GUC_SG_INTR_MASK, ~0); + intel_uncore_write(uncore, GEN11_GUC_SG_INTR_ENABLE, 0); + intel_uncore_write(uncore, GEN11_GUC_SG_INTR_MASK, ~0); } -static void icp_irq_postinstall(struct drm_device *dev) +static void icp_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); u32 mask = SDE_GMBUS_ICP; WARN_ON(I915_READ(SDEIER) != 0); @@ -4282,32 +4294,27 @@ static void icp_irq_postinstall(struct drm_device *dev) icp_hpd_detection_setup(dev_priv); } -static int gen11_irq_postinstall(struct drm_device *dev) +static void gen11_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_uncore *uncore = &dev_priv->uncore; u32 gu_misc_masked = GEN11_GU_MISC_GSE; if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) - icp_irq_postinstall(dev); + icp_irq_postinstall(dev_priv); - gen11_gt_irq_postinstall(dev_priv); + gen11_gt_irq_postinstall(&dev_priv->gt); gen8_de_irq_postinstall(dev_priv); GEN3_IRQ_INIT(uncore, GEN11_GU_MISC_, ~gu_misc_masked, gu_misc_masked); I915_WRITE(GEN11_DISPLAY_INT_CTL, GEN11_DISPLAY_IRQ_ENABLE); - gen11_master_intr_enable(dev_priv->uncore.regs); + gen11_master_intr_enable(uncore->regs); POSTING_READ(GEN11_GFX_MSTR_IRQ); - - return 0; } -static int cherryview_irq_postinstall(struct drm_device *dev) +static void cherryview_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); - gen8_gt_irq_postinstall(dev_priv); spin_lock_irq(&dev_priv->irq_lock); @@ -4317,13 +4324,10 @@ static int cherryview_irq_postinstall(struct drm_device *dev) I915_WRITE(GEN8_MASTER_IRQ, GEN8_MASTER_IRQ_CONTROL); POSTING_READ(GEN8_MASTER_IRQ); - - return 0; } -static void i8xx_irq_reset(struct drm_device *dev) +static void i8xx_irq_reset(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; i9xx_pipestat_irq_reset(dev_priv); @@ -4331,9 +4335,8 @@ static void i8xx_irq_reset(struct drm_device *dev) GEN2_IRQ_RESET(uncore); } -static int i8xx_irq_postinstall(struct drm_device *dev) +static void i8xx_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; u16 enable_mask; @@ -4362,8 +4365,6 @@ static int i8xx_irq_postinstall(struct drm_device *dev) i915_enable_pipestat(dev_priv, PIPE_A, PIPE_CRC_DONE_INTERRUPT_STATUS); i915_enable_pipestat(dev_priv, PIPE_B, PIPE_CRC_DONE_INTERRUPT_STATUS); spin_unlock_irq(&dev_priv->irq_lock); - - return 0; } static void i8xx_error_irq_ack(struct drm_i915_private *i915, @@ -4444,8 +4445,7 @@ static void i9xx_error_irq_handler(struct drm_i915_private *dev_priv, static irqreturn_t i8xx_irq_handler(int irq, void *arg) { - struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = arg; irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -4488,9 +4488,8 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg) return ret; } -static void i915_irq_reset(struct drm_device *dev) +static void i915_irq_reset(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; if (I915_HAS_HOTPLUG(dev_priv)) { @@ -4503,9 +4502,8 @@ static void i915_irq_reset(struct drm_device *dev) GEN3_IRQ_RESET(uncore, GEN2_); } -static int i915_irq_postinstall(struct drm_device *dev) +static void i915_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; u32 enable_mask; @@ -4543,14 +4541,11 @@ static int i915_irq_postinstall(struct drm_device *dev) spin_unlock_irq(&dev_priv->irq_lock); i915_enable_asle_pipestat(dev_priv); - - return 0; } static irqreturn_t i915_irq_handler(int irq, void *arg) { - struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = arg; irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -4601,9 +4596,8 @@ static irqreturn_t i915_irq_handler(int irq, void *arg) return ret; } -static void i965_irq_reset(struct drm_device *dev) +static void i965_irq_reset(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0); @@ -4614,9 +4608,8 @@ static void i965_irq_reset(struct drm_device *dev) GEN3_IRQ_RESET(uncore, GEN2_); } -static int i965_irq_postinstall(struct drm_device *dev) +static void i965_irq_postinstall(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct intel_uncore *uncore = &dev_priv->uncore; u32 enable_mask; u32 error_mask; @@ -4666,8 +4659,6 @@ static int i965_irq_postinstall(struct drm_device *dev) spin_unlock_irq(&dev_priv->irq_lock); i915_enable_asle_pipestat(dev_priv); - - return 0; } static void i915_hpd_irq_setup(struct drm_i915_private *dev_priv) @@ -4697,8 +4688,7 @@ static void i915_hpd_irq_setup(struct drm_i915_private *dev_priv) static irqreturn_t i965_irq_handler(int irq, void *arg) { - struct drm_device *dev = arg; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = arg; irqreturn_t ret = IRQ_NONE; if (!intel_irqs_enabled(dev_priv)) @@ -4775,8 +4765,9 @@ void intel_irq_init(struct drm_i915_private *dev_priv) for (i = 0; i < MAX_L3_SLICES; ++i) dev_priv->l3_parity.remap_info[i] = NULL; - if (HAS_GUC_SCHED(dev_priv) && INTEL_GEN(dev_priv) < 11) - dev_priv->pm_guc_events = GEN9_GUC_TO_HOST_INT_EVENT; + /* pre-gen11 the guc irqs bits are in the upper 16 bits of the pm reg */ + if (HAS_GT_UC(dev_priv) && INTEL_GEN(dev_priv) < 11) + dev_priv->gt.pm_guc_events = GUC_INTR_GUC2HOST << 16; /* Let's track the enabled rps events */ if (IS_VALLEYVIEW(dev_priv)) @@ -4805,11 +4796,6 @@ void intel_irq_init(struct drm_i915_private *dev_priv) if (INTEL_GEN(dev_priv) >= 8) rps->pm_intrmsk_mbz |= GEN8_PMINTR_DISABLE_REDIRECT_TO_GUC; - if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) - dev->driver->get_vblank_counter = g4x_get_vblank_counter; - else if (INTEL_GEN(dev_priv) >= 3) - dev->driver->get_vblank_counter = i915_get_vblank_counter; - dev->vblank_disable_immediate = true; /* Most platforms treat the display irq block as an always-on @@ -4831,86 +4817,18 @@ void intel_irq_init(struct drm_i915_private *dev_priv) */ dev_priv->hotplug.hpd_short_storm_enabled = !HAS_DP_MST(dev_priv); - dev->driver->get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos; - dev->driver->get_scanout_position = i915_get_crtc_scanoutpos; - - if (IS_CHERRYVIEW(dev_priv)) { - dev->driver->irq_handler = cherryview_irq_handler; - dev->driver->irq_preinstall = cherryview_irq_reset; - dev->driver->irq_postinstall = cherryview_irq_postinstall; - dev->driver->irq_uninstall = cherryview_irq_reset; - dev->driver->enable_vblank = i965_enable_vblank; - dev->driver->disable_vblank = i965_disable_vblank; - dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; - } else if (IS_VALLEYVIEW(dev_priv)) { - dev->driver->irq_handler = valleyview_irq_handler; - dev->driver->irq_preinstall = valleyview_irq_reset; - dev->driver->irq_postinstall = valleyview_irq_postinstall; - dev->driver->irq_uninstall = valleyview_irq_reset; - dev->driver->enable_vblank = i965_enable_vblank; - dev->driver->disable_vblank = i965_disable_vblank; - dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; - } else if (INTEL_GEN(dev_priv) >= 11) { - dev->driver->irq_handler = gen11_irq_handler; - dev->driver->irq_preinstall = gen11_irq_reset; - dev->driver->irq_postinstall = gen11_irq_postinstall; - dev->driver->irq_uninstall = gen11_irq_reset; - dev->driver->enable_vblank = gen8_enable_vblank; - dev->driver->disable_vblank = gen8_disable_vblank; - dev_priv->display.hpd_irq_setup = gen11_hpd_irq_setup; - } else if (INTEL_GEN(dev_priv) >= 8) { - dev->driver->irq_handler = gen8_irq_handler; - dev->driver->irq_preinstall = gen8_irq_reset; - dev->driver->irq_postinstall = gen8_irq_postinstall; - dev->driver->irq_uninstall = gen8_irq_reset; - dev->driver->enable_vblank = gen8_enable_vblank; - dev->driver->disable_vblank = gen8_disable_vblank; - if (IS_GEN9_LP(dev_priv)) + if (HAS_GMCH(dev_priv)) { + if (I915_HAS_HOTPLUG(dev_priv)) + dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; + } else { + if (INTEL_GEN(dev_priv) >= 11) + dev_priv->display.hpd_irq_setup = gen11_hpd_irq_setup; + else if (IS_GEN9_LP(dev_priv)) dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup; else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT) dev_priv->display.hpd_irq_setup = spt_hpd_irq_setup; else dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup; - } else if (HAS_PCH_SPLIT(dev_priv)) { - dev->driver->irq_handler = ironlake_irq_handler; - dev->driver->irq_preinstall = ironlake_irq_reset; - dev->driver->irq_postinstall = ironlake_irq_postinstall; - dev->driver->irq_uninstall = ironlake_irq_reset; - dev->driver->enable_vblank = ironlake_enable_vblank; - dev->driver->disable_vblank = ironlake_disable_vblank; - dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup; - } else { - if (IS_GEN(dev_priv, 2)) { - dev->driver->irq_preinstall = i8xx_irq_reset; - dev->driver->irq_postinstall = i8xx_irq_postinstall; - dev->driver->irq_handler = i8xx_irq_handler; - dev->driver->irq_uninstall = i8xx_irq_reset; - dev->driver->enable_vblank = i8xx_enable_vblank; - dev->driver->disable_vblank = i8xx_disable_vblank; - } else if (IS_I945GM(dev_priv)) { - dev->driver->irq_preinstall = i915_irq_reset; - dev->driver->irq_postinstall = i915_irq_postinstall; - dev->driver->irq_uninstall = i915_irq_reset; - dev->driver->irq_handler = i915_irq_handler; - dev->driver->enable_vblank = i945gm_enable_vblank; - dev->driver->disable_vblank = i945gm_disable_vblank; - } else if (IS_GEN(dev_priv, 3)) { - dev->driver->irq_preinstall = i915_irq_reset; - dev->driver->irq_postinstall = i915_irq_postinstall; - dev->driver->irq_uninstall = i915_irq_reset; - dev->driver->irq_handler = i915_irq_handler; - dev->driver->enable_vblank = i8xx_enable_vblank; - dev->driver->disable_vblank = i8xx_disable_vblank; - } else { - dev->driver->irq_preinstall = i965_irq_reset; - dev->driver->irq_postinstall = i965_irq_postinstall; - dev->driver->irq_uninstall = i965_irq_reset; - dev->driver->irq_handler = i965_irq_handler; - dev->driver->enable_vblank = i965_enable_vblank; - dev->driver->disable_vblank = i965_disable_vblank; - } - if (I915_HAS_HOTPLUG(dev_priv)) - dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; } } @@ -4931,6 +4849,75 @@ void intel_irq_fini(struct drm_i915_private *i915) kfree(i915->l3_parity.remap_info[i]); } +static irq_handler_t intel_irq_handler(struct drm_i915_private *dev_priv) +{ + if (HAS_GMCH(dev_priv)) { + if (IS_CHERRYVIEW(dev_priv)) + return cherryview_irq_handler; + else if (IS_VALLEYVIEW(dev_priv)) + return valleyview_irq_handler; + else if (IS_GEN(dev_priv, 4)) + return i965_irq_handler; + else if (IS_GEN(dev_priv, 3)) + return i915_irq_handler; + else + return i8xx_irq_handler; + } else { + if (INTEL_GEN(dev_priv) >= 11) + return gen11_irq_handler; + else if (INTEL_GEN(dev_priv) >= 8) + return gen8_irq_handler; + else + return ironlake_irq_handler; + } +} + +static void intel_irq_reset(struct drm_i915_private *dev_priv) +{ + if (HAS_GMCH(dev_priv)) { + if (IS_CHERRYVIEW(dev_priv)) + cherryview_irq_reset(dev_priv); + else if (IS_VALLEYVIEW(dev_priv)) + valleyview_irq_reset(dev_priv); + else if (IS_GEN(dev_priv, 4)) + i965_irq_reset(dev_priv); + else if (IS_GEN(dev_priv, 3)) + i915_irq_reset(dev_priv); + else + i8xx_irq_reset(dev_priv); + } else { + if (INTEL_GEN(dev_priv) >= 11) + gen11_irq_reset(dev_priv); + else if (INTEL_GEN(dev_priv) >= 8) + gen8_irq_reset(dev_priv); + else + ironlake_irq_reset(dev_priv); + } +} + +static void intel_irq_postinstall(struct drm_i915_private *dev_priv) +{ + if (HAS_GMCH(dev_priv)) { + if (IS_CHERRYVIEW(dev_priv)) + cherryview_irq_postinstall(dev_priv); + else if (IS_VALLEYVIEW(dev_priv)) + valleyview_irq_postinstall(dev_priv); + else if (IS_GEN(dev_priv, 4)) + i965_irq_postinstall(dev_priv); + else if (IS_GEN(dev_priv, 3)) + i915_irq_postinstall(dev_priv); + else + i8xx_irq_postinstall(dev_priv); + } else { + if (INTEL_GEN(dev_priv) >= 11) + gen11_irq_postinstall(dev_priv); + else if (INTEL_GEN(dev_priv) >= 8) + gen8_irq_postinstall(dev_priv); + else + ironlake_irq_postinstall(dev_priv); + } +} + /** * intel_irq_install - enables the hardware interrupt * @dev_priv: i915 device instance @@ -4944,6 +4931,9 @@ void intel_irq_fini(struct drm_i915_private *i915) */ int intel_irq_install(struct drm_i915_private *dev_priv) { + int irq = dev_priv->drm.pdev->irq; + int ret; + /* * We enable some interrupt sources in our postinstall hooks, so mark * interrupts as enabled _before_ actually enabling them to avoid @@ -4951,7 +4941,20 @@ int intel_irq_install(struct drm_i915_private *dev_priv) */ dev_priv->runtime_pm.irqs_enabled = true; - return drm_irq_install(&dev_priv->drm, dev_priv->drm.pdev->irq); + dev_priv->drm.irq_enabled = true; + + intel_irq_reset(dev_priv); + + ret = request_irq(irq, intel_irq_handler(dev_priv), + IRQF_SHARED, DRIVER_NAME, dev_priv); + if (ret < 0) { + dev_priv->drm.irq_enabled = false; + return ret; + } + + intel_irq_postinstall(dev_priv); + + return ret; } /** @@ -4963,7 +4966,23 @@ int intel_irq_install(struct drm_i915_private *dev_priv) */ void intel_irq_uninstall(struct drm_i915_private *dev_priv) { - drm_irq_uninstall(&dev_priv->drm); + int irq = dev_priv->drm.pdev->irq; + + /* + * FIXME we can get called twice during driver load + * error handling due to intel_modeset_cleanup() + * calling us out of sequence. Would be nice if + * it didn't do that... + */ + if (!dev_priv->drm.irq_enabled) + return; + + dev_priv->drm.irq_enabled = false; + + intel_irq_reset(dev_priv); + + free_irq(irq, dev_priv); + intel_hpd_cancel_work(dev_priv); dev_priv->runtime_pm.irqs_enabled = false; } @@ -4977,9 +4996,9 @@ void intel_irq_uninstall(struct drm_i915_private *dev_priv) */ void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv) { - dev_priv->drm.driver->irq_uninstall(&dev_priv->drm); + intel_irq_reset(dev_priv); dev_priv->runtime_pm.irqs_enabled = false; - synchronize_irq(dev_priv->drm.irq); + intel_synchronize_irq(dev_priv); } /** @@ -4992,6 +5011,6 @@ void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv) void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv) { dev_priv->runtime_pm.irqs_enabled = true; - dev_priv->drm.driver->irq_preinstall(&dev_priv->drm); - dev_priv->drm.driver->irq_postinstall(&dev_priv->drm); + intel_irq_reset(dev_priv); + intel_irq_postinstall(dev_priv); } diff --git a/drivers/gpu/drm/i915/i915_irq.h b/drivers/gpu/drm/i915/i915_irq.h index cb25dd213308..8918809cd805 100644 --- a/drivers/gpu/drm/i915/i915_irq.h +++ b/drivers/gpu/drm/i915/i915_irq.h @@ -12,9 +12,10 @@ struct drm_i915_private; struct intel_crtc; +struct intel_guc; -extern void intel_irq_init(struct drm_i915_private *dev_priv); -extern void intel_irq_fini(struct drm_i915_private *dev_priv); +void intel_irq_init(struct drm_i915_private *dev_priv); +void intel_irq_fini(struct drm_i915_private *dev_priv); int intel_irq_install(struct drm_i915_private *dev_priv); void intel_irq_uninstall(struct drm_i915_private *dev_priv); @@ -77,8 +78,8 @@ ibx_disable_display_interrupt(struct drm_i915_private *dev_priv, u32 bits) void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen6_mask_pm_irq(struct drm_i915_private *dev_priv, u32 mask); -void gen6_unmask_pm_irq(struct drm_i915_private *dev_priv, u32 mask); +void gen6_mask_pm_irq(struct intel_gt *gt, u32 mask); +void gen6_unmask_pm_irq(struct intel_gt *gt, u32 mask); void gen11_reset_rps_interrupts(struct drm_i915_private *dev_priv); void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv); void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv); @@ -102,16 +103,40 @@ static inline bool intel_irqs_enabled(struct drm_i915_private *dev_priv) return dev_priv->runtime_pm.irqs_enabled; } +static inline void intel_synchronize_irq(struct drm_i915_private *i915) +{ + synchronize_irq(i915->drm.pdev->irq); +} + int intel_get_crtc_scanline(struct intel_crtc *crtc); void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv, u8 pipe_mask); void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, u8 pipe_mask); -void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv); -void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv); -void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv); -void gen11_reset_guc_interrupts(struct drm_i915_private *i915); -void gen11_enable_guc_interrupts(struct drm_i915_private *i915); -void gen11_disable_guc_interrupts(struct drm_i915_private *i915); +void gen9_reset_guc_interrupts(struct intel_guc *guc); +void gen9_enable_guc_interrupts(struct intel_guc *guc); +void gen9_disable_guc_interrupts(struct intel_guc *guc); +void gen11_reset_guc_interrupts(struct intel_guc *guc); +void gen11_enable_guc_interrupts(struct intel_guc *guc); +void gen11_disable_guc_interrupts(struct intel_guc *guc); + +bool i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, + bool in_vblank_irq, int *vpos, int *hpos, + ktime_t *stime, ktime_t *etime, + const struct drm_display_mode *mode); + +u32 i915_get_vblank_counter(struct drm_crtc *crtc); +u32 g4x_get_vblank_counter(struct drm_crtc *crtc); + +int i8xx_enable_vblank(struct drm_crtc *crtc); +int i945gm_enable_vblank(struct drm_crtc *crtc); +int i965_enable_vblank(struct drm_crtc *crtc); +int ilk_enable_vblank(struct drm_crtc *crtc); +int bdw_enable_vblank(struct drm_crtc *crtc); +void i8xx_disable_vblank(struct drm_crtc *crtc); +void i945gm_disable_vblank(struct drm_crtc *crtc); +void i965_disable_vblank(struct drm_crtc *crtc); +void ilk_disable_vblank(struct drm_crtc *crtc); +void bdw_disable_vblank(struct drm_crtc *crtc); #endif /* __I915_IRQ_H__ */ diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 5b07766a1c26..296452f9efe4 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -169,8 +169,9 @@ i915_param_named_unsafe(inject_load_failure, uint, 0400, "Force an error after a number of failure check points (0:disabled (default), N:force failure at the Nth failure check point)"); #endif -i915_param_named(enable_dpcd_backlight, bool, 0600, - "Enable support for DPCD backlight control (default:false)"); +i915_param_named(enable_dpcd_backlight, int, 0600, + "Enable support for DPCD backlight control" + "(-1=use per-VBT LFP backlight type setting, 0=disabled [default], 1=enabled)"); #if IS_ENABLED(CONFIG_DRM_I915_GVT) i915_param_named(enable_gvt, bool, 0400, diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h index a4770ce46bd2..d29ade3b7de6 100644 --- a/drivers/gpu/drm/i915/i915_params.h +++ b/drivers/gpu/drm/i915/i915_params.h @@ -64,6 +64,7 @@ struct drm_printer; param(int, reset, 2) \ param(unsigned int, inject_load_failure, 0) \ param(int, fastboot, -1) \ + param(int, enable_dpcd_backlight, 0) \ param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE) \ /* leave bools at the end to not create holes */ \ param(bool, alpha_support, IS_ENABLED(CONFIG_DRM_I915_ALPHA_SUPPORT)) \ @@ -76,7 +77,6 @@ struct drm_printer; param(bool, verbose_state_checks, true) \ param(bool, nuclear_pageflip, false) \ param(bool, enable_dp_mst, true) \ - param(bool, enable_dpcd_backlight, false) \ param(bool, enable_gvt, false) #define MEMBER(T, member, ...) T member; diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 6c9f46fc3e12..bd9211b3d76e 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -595,7 +595,7 @@ static const struct intel_device_info intel_cherryview_info = { GEN9_DEFAULT_PAGE_SIZES, \ .has_logical_ring_preemption = 1, \ .display.has_csr = 1, \ - .has_guc = 1, \ + .has_gt_uc = 1, \ .display.has_ipc = 1, \ .ddb_size = 896 @@ -647,7 +647,7 @@ static const struct intel_device_info intel_skylake_gt4_info = { .display.has_dp_mst = 1, \ .has_logical_ring_contexts = 1, \ .has_logical_ring_preemption = 1, \ - .has_guc = 1, \ + .has_gt_uc = 1, \ .ppgtt_type = INTEL_PPGTT_FULL, \ .ppgtt_size = 48, \ .has_reset_engine = 1, \ @@ -761,10 +761,40 @@ static const struct intel_device_info intel_elkhartlake_info = { GEN11_FEATURES, PLATFORM(INTEL_ELKHARTLAKE), .require_force_probe = 1, - .engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0), + .engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0), .ppgtt_size = 36, }; +#define GEN12_FEATURES \ + GEN11_FEATURES, \ + GEN(12), \ + .pipe_offsets = { \ + [TRANSCODER_A] = PIPE_A_OFFSET, \ + [TRANSCODER_B] = PIPE_B_OFFSET, \ + [TRANSCODER_C] = PIPE_C_OFFSET, \ + [TRANSCODER_D] = PIPE_D_OFFSET, \ + [TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \ + [TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \ + }, \ + .trans_offsets = { \ + [TRANSCODER_A] = TRANSCODER_A_OFFSET, \ + [TRANSCODER_B] = TRANSCODER_B_OFFSET, \ + [TRANSCODER_C] = TRANSCODER_C_OFFSET, \ + [TRANSCODER_D] = TRANSCODER_D_OFFSET, \ + [TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \ + [TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \ + } + +static const struct intel_device_info intel_tigerlake_12_info = { + GEN12_FEATURES, + PLATFORM(INTEL_TIGERLAKE), + .num_pipes = 4, + .require_force_probe = 1, + .display.has_modular_fia = 1, + .engine_mask = + BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2), +}; + #undef GEN #undef PLATFORM @@ -836,6 +866,7 @@ static const struct pci_device_id pciidlist[] = { INTEL_CNL_IDS(&intel_cannonlake_info), INTEL_ICL_11_IDS(&intel_icelake_11_info), INTEL_EHL_IDS(&intel_elkhartlake_info), + INTEL_TGL_12_IDS(&intel_tigerlake_12_info), {0, 0, 0} }; MODULE_DEVICE_TABLE(pci, pciidlist); @@ -848,7 +879,7 @@ static void i915_pci_remove(struct pci_dev *pdev) if (!dev) /* driver load aborted, nothing to cleanup */ return; - i915_driver_unload(dev); + i915_driver_remove(dev); drm_dev_put(dev); pci_set_drvdata(pdev, NULL); @@ -923,11 +954,11 @@ static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (vga_switcheroo_client_probe_defer(pdev)) return -EPROBE_DEFER; - err = i915_driver_load(pdev, ent); + err = i915_driver_probe(pdev, ent); if (err) return err; - if (i915_inject_load_failure()) { + if (i915_inject_probe_failure()) { i915_pci_remove(pdev); return -ENODEV; } diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 5140017f9a39..988a4092164e 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -200,20 +200,20 @@ #include "gt/intel_lrc_reg.h" #include "i915_drv.h" -#include "i915_oa_hsw.h" -#include "i915_oa_bdw.h" -#include "i915_oa_chv.h" -#include "i915_oa_sklgt2.h" -#include "i915_oa_sklgt3.h" -#include "i915_oa_sklgt4.h" -#include "i915_oa_bxt.h" -#include "i915_oa_kblgt2.h" -#include "i915_oa_kblgt3.h" -#include "i915_oa_glk.h" -#include "i915_oa_cflgt2.h" -#include "i915_oa_cflgt3.h" -#include "i915_oa_cnl.h" -#include "i915_oa_icl.h" +#include "oa/i915_oa_hsw.h" +#include "oa/i915_oa_bdw.h" +#include "oa/i915_oa_chv.h" +#include "oa/i915_oa_sklgt2.h" +#include "oa/i915_oa_sklgt3.h" +#include "oa/i915_oa_sklgt4.h" +#include "oa/i915_oa_bxt.h" +#include "oa/i915_oa_kblgt2.h" +#include "oa/i915_oa_kblgt3.h" +#include "oa/i915_oa_glk.h" +#include "oa/i915_oa_cflgt2.h" +#include "oa/i915_oa_cflgt3.h" +#include "oa/i915_oa_cnl.h" +#include "oa/i915_oa_icl.h" /* HW requires this to be a power of two, between 128k and 16M, though driver * is currently generally designed assuming the largest 16M size is used such @@ -1634,6 +1634,27 @@ static void hsw_disable_metric_set(struct drm_i915_private *dev_priv) ~GT_NOA_ENABLE)); } +static u32 oa_config_flex_reg(const struct i915_oa_config *oa_config, + i915_reg_t reg) +{ + u32 mmio = i915_mmio_reg_offset(reg); + int i; + + /* + * This arbitrary default will select the 'EU FPU0 Pipeline + * Active' event. In the future it's anticipated that there + * will be an explicit 'No Event' we can select, but not yet... + */ + if (!oa_config) + return 0; + + for (i = 0; i < oa_config->flex_regs_len; i++) { + if (i915_mmio_reg_offset(oa_config->flex_regs[i].addr) == mmio) + return oa_config->flex_regs[i].value; + } + + return 0; +} /* * NB: It must always remain pointer safe to run this even if the OA unit * has been disabled. @@ -1667,33 +1688,138 @@ gen8_update_reg_state_unlocked(struct intel_context *ce, GEN8_OA_COUNTER_RESUME); for (i = 0; i < ARRAY_SIZE(flex_regs); i++) { - u32 state_offset = ctx_flexeu0 + i * 2; - u32 mmio = i915_mmio_reg_offset(flex_regs[i]); + CTX_REG(reg_state, ctx_flexeu0 + i * 2, flex_regs[i], + oa_config_flex_reg(oa_config, flex_regs[i])); + } - /* - * This arbitrary default will select the 'EU FPU0 Pipeline - * Active' event. In the future it's anticipated that there - * will be an explicit 'No Event' we can select, but not yet... - */ - u32 value = 0; + CTX_REG(reg_state, + CTX_R_PWR_CLK_STATE, GEN8_R_PWR_CLK_STATE, + intel_sseu_make_rpcs(i915, &ce->sseu)); +} - if (oa_config) { - u32 j; +struct flex { + i915_reg_t reg; + u32 offset; + u32 value; +}; - for (j = 0; j < oa_config->flex_regs_len; j++) { - if (i915_mmio_reg_offset(oa_config->flex_regs[j].addr) == mmio) { - value = oa_config->flex_regs[j].value; - break; - } - } - } +static int +gen8_store_flex(struct i915_request *rq, + struct intel_context *ce, + const struct flex *flex, unsigned int count) +{ + u32 offset; + u32 *cs; + + cs = intel_ring_begin(rq, 4 * count); + if (IS_ERR(cs)) + return PTR_ERR(cs); + + offset = i915_ggtt_offset(ce->state) + LRC_STATE_PN * PAGE_SIZE; + do { + *cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT; + *cs++ = offset + (flex->offset + 1) * sizeof(u32); + *cs++ = 0; + *cs++ = flex->value; + } while (flex++, --count); + + intel_ring_advance(rq, cs); + + return 0; +} + +static int +gen8_load_flex(struct i915_request *rq, + struct intel_context *ce, + const struct flex *flex, unsigned int count) +{ + u32 *cs; + + GEM_BUG_ON(!count || count > 63); + + cs = intel_ring_begin(rq, 2 * count + 2); + if (IS_ERR(cs)) + return PTR_ERR(cs); + + *cs++ = MI_LOAD_REGISTER_IMM(count); + do { + *cs++ = i915_mmio_reg_offset(flex->reg); + *cs++ = flex->value; + } while (flex++, --count); + *cs++ = MI_NOOP; + + intel_ring_advance(rq, cs); + + return 0; +} + +static int gen8_modify_context(struct intel_context *ce, + const struct flex *flex, unsigned int count) +{ + struct i915_request *rq; + int err; + + lockdep_assert_held(&ce->pin_mutex); + + rq = i915_request_create(ce->engine->kernel_context); + if (IS_ERR(rq)) + return PTR_ERR(rq); + + /* Serialise with the remote context */ + err = intel_context_prepare_remote_request(ce, rq); + if (err == 0) + err = gen8_store_flex(rq, ce, flex, count); + + i915_request_add(rq); + return err; +} + +static int gen8_modify_self(struct intel_context *ce, + const struct flex *flex, unsigned int count) +{ + struct i915_request *rq; + int err; - CTX_REG(reg_state, state_offset, flex_regs[i], value); + rq = i915_request_create(ce); + if (IS_ERR(rq)) + return PTR_ERR(rq); + + err = gen8_load_flex(rq, ce, flex, count); + + i915_request_add(rq); + return err; +} + +static int gen8_configure_context(struct i915_gem_context *ctx, + struct flex *flex, unsigned int count) +{ + struct i915_gem_engines_iter it; + struct intel_context *ce; + int err = 0; + + for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) { + GEM_BUG_ON(ce == ce->engine->kernel_context); + + if (ce->engine->class != RENDER_CLASS) + continue; + + err = intel_context_lock_pinned(ce); + if (err) + break; + + flex->value = intel_sseu_make_rpcs(ctx->i915, &ce->sseu); + + /* Otherwise OA settings will be set upon first use */ + if (intel_context_is_pinned(ce)) + err = gen8_modify_context(ce, flex, count); + + intel_context_unlock_pinned(ce); + if (err) + break; } + i915_gem_context_unlock_engines(ctx); - CTX_REG(reg_state, - CTX_R_PWR_CLK_STATE, GEN8_R_PWR_CLK_STATE, - intel_sseu_make_rpcs(i915, &ce->sseu)); + return err; } /* @@ -1720,15 +1846,42 @@ gen8_update_reg_state_unlocked(struct intel_context *ce, * * Note: it's only the RCS/Render context that has any OA state. */ -static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv, +static int gen8_configure_all_contexts(struct drm_i915_private *i915, const struct i915_oa_config *oa_config) { - unsigned int map_type = i915_coherent_map_type(dev_priv); + /* The MMIO offsets for Flex EU registers aren't contiguous */ + const u32 ctx_flexeu0 = i915->perf.oa.ctx_flexeu0_offset; +#define ctx_flexeuN(N) (ctx_flexeu0 + 2 * (N)) + struct flex regs[] = { + { + GEN8_R_PWR_CLK_STATE, + CTX_R_PWR_CLK_STATE, + }, + { + GEN8_OACTXCONTROL, + i915->perf.oa.ctx_oactxctrl_offset, + ((i915->perf.oa.period_exponent << GEN8_OA_TIMER_PERIOD_SHIFT) | + (i915->perf.oa.periodic ? GEN8_OA_TIMER_ENABLE : 0) | + GEN8_OA_COUNTER_RESUME) + }, + { EU_PERF_CNTL0, ctx_flexeuN(0) }, + { EU_PERF_CNTL1, ctx_flexeuN(1) }, + { EU_PERF_CNTL2, ctx_flexeuN(2) }, + { EU_PERF_CNTL3, ctx_flexeuN(3) }, + { EU_PERF_CNTL4, ctx_flexeuN(4) }, + { EU_PERF_CNTL5, ctx_flexeuN(5) }, + { EU_PERF_CNTL6, ctx_flexeuN(6) }, + }; +#undef ctx_flexeuN + struct intel_engine_cs *engine; struct i915_gem_context *ctx; - struct i915_request *rq; - int ret; + enum intel_engine_id id; + int i; + + for (i = 2; i < ARRAY_SIZE(regs); i++) + regs[i].value = oa_config_flex_reg(oa_config, regs[i].reg); - lockdep_assert_held(&dev_priv->drm.struct_mutex); + lockdep_assert_held(&i915->drm.struct_mutex); /* * The OA register config is setup through the context image. This image @@ -1740,58 +1893,41 @@ static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv, * this might leave small interval of time where the OA unit is * configured at an invalid sampling period. * - * So far the best way to work around this issue seems to be draining - * the GPU from any submitted work. + * Note that since we emit all requests from a single ring, there + * is still an implicit global barrier here that may cause a high + * priority context to wait for an otherwise independent low priority + * context. Contexts idle at the time of reconfiguration are not + * trapped behind the barrier. */ - ret = i915_gem_wait_for_idle(dev_priv, - I915_WAIT_LOCKED, - MAX_SCHEDULE_TIMEOUT); - if (ret) - return ret; - - /* Update all contexts now that we've stalled the submission. */ - list_for_each_entry(ctx, &dev_priv->contexts.list, link) { - struct i915_gem_engines_iter it; - struct intel_context *ce; - - for_each_gem_engine(ce, - i915_gem_context_lock_engines(ctx), - it) { - u32 *regs; + list_for_each_entry(ctx, &i915->contexts.list, link) { + int err; - if (ce->engine->class != RENDER_CLASS) - continue; - - /* OA settings will be set upon first use */ - if (!ce->state) - continue; - - regs = i915_gem_object_pin_map(ce->state->obj, - map_type); - if (IS_ERR(regs)) { - i915_gem_context_unlock_engines(ctx); - return PTR_ERR(regs); - } - - ce->state->obj->mm.dirty = true; - regs += LRC_STATE_PN * PAGE_SIZE / sizeof(*regs); - - gen8_update_reg_state_unlocked(ce, regs, oa_config); + if (ctx == i915->kernel_context) + continue; - i915_gem_object_unpin_map(ce->state->obj); - } - i915_gem_context_unlock_engines(ctx); + err = gen8_configure_context(ctx, regs, ARRAY_SIZE(regs)); + if (err) + return err; } /* - * Apply the configuration by doing one context restore of the edited - * context image. + * After updating all other contexts, we need to modify ourselves. + * If we don't modify the kernel_context, we do not get events while + * idle. */ - rq = i915_request_create(dev_priv->engine[RCS0]->kernel_context); - if (IS_ERR(rq)) - return PTR_ERR(rq); + for_each_engine(engine, i915, id) { + struct intel_context *ce = engine->kernel_context; + int err; - i915_request_add(rq); + if (engine->class != RENDER_CLASS) + continue; + + regs[0].value = intel_sseu_make_rpcs(i915, &ce->sseu); + + err = gen8_modify_self(ce, regs, ARRAY_SIZE(regs)); + if (err) + return err; + } return 0; } diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index 8fe46ee920a0..eff86483bec0 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -102,10 +102,8 @@ static bool pmu_needs_timer(struct drm_i915_private *i915, bool gpu_active) /* * Also there is software busyness tracking available we do not * need the timer for I915_SAMPLE_BUSY counter. - * - * Use RCS as proxy for all engines. */ - else if (intel_engine_supports_stats(i915->engine[RCS0])) + else if (i915->caps.scheduler & I915_SCHEDULER_CAP_ENGINE_BUSY_STATS) enable &= ~BIT(I915_SAMPLE_BUSY); /* diff --git a/drivers/gpu/drm/i915/i915_priolist_types.h b/drivers/gpu/drm/i915/i915_priolist_types.h index 49709de69875..b02dea17dcab 100644 --- a/drivers/gpu/drm/i915/i915_priolist_types.h +++ b/drivers/gpu/drm/i915/i915_priolist_types.h @@ -17,6 +17,16 @@ enum { I915_PRIORITY_NORMAL = I915_CONTEXT_DEFAULT_PRIORITY, I915_PRIORITY_MAX = I915_CONTEXT_MAX_USER_PRIORITY + 1, + /* + * Requests containing performance queries must not be preempted by + * another context. They get scheduled with their default priority and + * once they reach the execlist ports we ensure that they stick on the + * HW until finished by pretending that they have maximum priority, + * i.e. nothing can have higher priority and force us to usurp the + * active request. + */ + I915_PRIORITY_UNPREEMPTABLE = INT_MAX, + I915_PRIORITY_INVALID = INT_MIN }; diff --git a/drivers/gpu/drm/i915/i915_pvinfo.h b/drivers/gpu/drm/i915/i915_pvinfo.h index 969e514916ab..683e97ac2430 100644 --- a/drivers/gpu/drm/i915/i915_pvinfo.h +++ b/drivers/gpu/drm/i915/i915_pvinfo.h @@ -24,6 +24,8 @@ #ifndef _I915_PVINFO_H_ #define _I915_PVINFO_H_ +#include <linux/types.h> + /* The MMIO offset of the shared info between guest and host emulator */ #define VGT_PVINFO_PAGE 0x78000 #define VGT_PVINFO_SIZE 0x1000 @@ -110,8 +112,9 @@ struct vgt_if { u32 rsv7[0x200 - 24]; /* pad to one page */ } __packed; -#define vgtif_reg(x) \ - _MMIO((VGT_PVINFO_PAGE + offsetof(struct vgt_if, x))) +#define vgtif_offset(x) (offsetof(struct vgt_if, x)) + +#define vgtif_reg(x) _MMIO(VGT_PVINFO_PAGE + vgtif_offset(x)) /* vGPU display status to be used by the host side */ #define VGT_DRV_DISPLAY_NOT_READY 0 diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index d6483b5dc8e5..d2b76121d863 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -242,6 +242,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define _MMIO_PIPE3(pipe, a, b, c) _MMIO(_PICK(pipe, a, b, c)) #define _MMIO_PORT3(pipe, a, b, c) _MMIO(_PICK(pipe, a, b, c)) #define _MMIO_PHY3(phy, a, b, c) _MMIO(_PHY3(phy, a, b, c)) +#define _MMIO_PLL3(pll, a, b, c) _MMIO(_PICK(pll, a, b, c)) /* * Device info offset array based helpers for groups of registers with unevenly @@ -1793,19 +1794,21 @@ enum i915_power_well_id { */ #define _ICL_COMBOPHY_A 0x162000 #define _ICL_COMBOPHY_B 0x6C000 -#define _ICL_COMBOPHY(port) _PICK(port, _ICL_COMBOPHY_A, \ - _ICL_COMBOPHY_B) +#define _EHL_COMBOPHY_C 0x160000 +#define _ICL_COMBOPHY(phy) _PICK(phy, _ICL_COMBOPHY_A, \ + _ICL_COMBOPHY_B, \ + _EHL_COMBOPHY_C) /* CNL/ICL Port CL_DW registers */ -#define _ICL_PORT_CL_DW(dw, port) (_ICL_COMBOPHY(port) + \ +#define _ICL_PORT_CL_DW(dw, phy) (_ICL_COMBOPHY(phy) + \ 4 * (dw)) #define CNL_PORT_CL1CM_DW5 _MMIO(0x162014) -#define ICL_PORT_CL_DW5(port) _MMIO(_ICL_PORT_CL_DW(5, port)) +#define ICL_PORT_CL_DW5(phy) _MMIO(_ICL_PORT_CL_DW(5, phy)) #define CL_POWER_DOWN_ENABLE (1 << 4) #define SUS_CLOCK_CONFIG (3 << 0) -#define ICL_PORT_CL_DW10(port) _MMIO(_ICL_PORT_CL_DW(10, port)) +#define ICL_PORT_CL_DW10(phy) _MMIO(_ICL_PORT_CL_DW(10, phy)) #define PG_SEQ_DELAY_OVERRIDE_MASK (3 << 25) #define PG_SEQ_DELAY_OVERRIDE_SHIFT 25 #define PG_SEQ_DELAY_OVERRIDE_ENABLE (1 << 24) @@ -1820,23 +1823,23 @@ enum i915_power_well_id { #define PWR_DOWN_LN_MASK (0xf << 4) #define PWR_DOWN_LN_SHIFT 4 -#define ICL_PORT_CL_DW12(port) _MMIO(_ICL_PORT_CL_DW(12, port)) +#define ICL_PORT_CL_DW12(phy) _MMIO(_ICL_PORT_CL_DW(12, phy)) #define ICL_LANE_ENABLE_AUX (1 << 0) /* CNL/ICL Port COMP_DW registers */ #define _ICL_PORT_COMP 0x100 -#define _ICL_PORT_COMP_DW(dw, port) (_ICL_COMBOPHY(port) + \ +#define _ICL_PORT_COMP_DW(dw, phy) (_ICL_COMBOPHY(phy) + \ _ICL_PORT_COMP + 4 * (dw)) #define CNL_PORT_COMP_DW0 _MMIO(0x162100) -#define ICL_PORT_COMP_DW0(port) _MMIO(_ICL_PORT_COMP_DW(0, port)) +#define ICL_PORT_COMP_DW0(phy) _MMIO(_ICL_PORT_COMP_DW(0, phy)) #define COMP_INIT (1 << 31) #define CNL_PORT_COMP_DW1 _MMIO(0x162104) -#define ICL_PORT_COMP_DW1(port) _MMIO(_ICL_PORT_COMP_DW(1, port)) +#define ICL_PORT_COMP_DW1(phy) _MMIO(_ICL_PORT_COMP_DW(1, phy)) #define CNL_PORT_COMP_DW3 _MMIO(0x16210c) -#define ICL_PORT_COMP_DW3(port) _MMIO(_ICL_PORT_COMP_DW(3, port)) +#define ICL_PORT_COMP_DW3(phy) _MMIO(_ICL_PORT_COMP_DW(3, phy)) #define PROCESS_INFO_DOT_0 (0 << 26) #define PROCESS_INFO_DOT_1 (1 << 26) #define PROCESS_INFO_DOT_4 (2 << 26) @@ -1848,14 +1851,14 @@ enum i915_power_well_id { #define VOLTAGE_INFO_MASK (3 << 24) #define VOLTAGE_INFO_SHIFT 24 -#define ICL_PORT_COMP_DW8(port) _MMIO(_ICL_PORT_COMP_DW(8, port)) +#define ICL_PORT_COMP_DW8(phy) _MMIO(_ICL_PORT_COMP_DW(8, phy)) #define IREFGEN (1 << 24) #define CNL_PORT_COMP_DW9 _MMIO(0x162124) -#define ICL_PORT_COMP_DW9(port) _MMIO(_ICL_PORT_COMP_DW(9, port)) +#define ICL_PORT_COMP_DW9(phy) _MMIO(_ICL_PORT_COMP_DW(9, phy)) #define CNL_PORT_COMP_DW10 _MMIO(0x162128) -#define ICL_PORT_COMP_DW10(port) _MMIO(_ICL_PORT_COMP_DW(10, port)) +#define ICL_PORT_COMP_DW10(phy) _MMIO(_ICL_PORT_COMP_DW(10, phy)) /* CNL/ICL Port PCS registers */ #define _CNL_PORT_PCS_DW1_GRP_AE 0x162304 @@ -1868,14 +1871,14 @@ enum i915_power_well_id { #define _CNL_PORT_PCS_DW1_LN0_C 0x162C04 #define _CNL_PORT_PCS_DW1_LN0_D 0x162E04 #define _CNL_PORT_PCS_DW1_LN0_F 0x162804 -#define CNL_PORT_PCS_DW1_GRP(port) _MMIO(_PICK(port, \ +#define CNL_PORT_PCS_DW1_GRP(phy) _MMIO(_PICK(phy, \ _CNL_PORT_PCS_DW1_GRP_AE, \ _CNL_PORT_PCS_DW1_GRP_B, \ _CNL_PORT_PCS_DW1_GRP_C, \ _CNL_PORT_PCS_DW1_GRP_D, \ _CNL_PORT_PCS_DW1_GRP_AE, \ _CNL_PORT_PCS_DW1_GRP_F)) -#define CNL_PORT_PCS_DW1_LN0(port) _MMIO(_PICK(port, \ +#define CNL_PORT_PCS_DW1_LN0(phy) _MMIO(_PICK(phy, \ _CNL_PORT_PCS_DW1_LN0_AE, \ _CNL_PORT_PCS_DW1_LN0_B, \ _CNL_PORT_PCS_DW1_LN0_C, \ @@ -1886,16 +1889,18 @@ enum i915_power_well_id { #define _ICL_PORT_PCS_AUX 0x300 #define _ICL_PORT_PCS_GRP 0x600 #define _ICL_PORT_PCS_LN(ln) (0x800 + (ln) * 0x100) -#define _ICL_PORT_PCS_DW_AUX(dw, port) (_ICL_COMBOPHY(port) + \ +#define _ICL_PORT_PCS_DW_AUX(dw, phy) (_ICL_COMBOPHY(phy) + \ _ICL_PORT_PCS_AUX + 4 * (dw)) -#define _ICL_PORT_PCS_DW_GRP(dw, port) (_ICL_COMBOPHY(port) + \ +#define _ICL_PORT_PCS_DW_GRP(dw, phy) (_ICL_COMBOPHY(phy) + \ _ICL_PORT_PCS_GRP + 4 * (dw)) -#define _ICL_PORT_PCS_DW_LN(dw, ln, port) (_ICL_COMBOPHY(port) + \ +#define _ICL_PORT_PCS_DW_LN(dw, ln, phy) (_ICL_COMBOPHY(phy) + \ _ICL_PORT_PCS_LN(ln) + 4 * (dw)) -#define ICL_PORT_PCS_DW1_AUX(port) _MMIO(_ICL_PORT_PCS_DW_AUX(1, port)) -#define ICL_PORT_PCS_DW1_GRP(port) _MMIO(_ICL_PORT_PCS_DW_GRP(1, port)) -#define ICL_PORT_PCS_DW1_LN0(port) _MMIO(_ICL_PORT_PCS_DW_LN(1, 0, port)) +#define ICL_PORT_PCS_DW1_AUX(phy) _MMIO(_ICL_PORT_PCS_DW_AUX(1, phy)) +#define ICL_PORT_PCS_DW1_GRP(phy) _MMIO(_ICL_PORT_PCS_DW_GRP(1, phy)) +#define ICL_PORT_PCS_DW1_LN0(phy) _MMIO(_ICL_PORT_PCS_DW_LN(1, 0, phy)) #define COMMON_KEEPER_EN (1 << 26) +#define LATENCY_OPTIM_MASK (0x3 << 2) +#define LATENCY_OPTIM_VAL(x) ((x) << 2) /* CNL/ICL Port TX registers */ #define _CNL_PORT_TX_AE_GRP_OFFSET 0x162340 @@ -1929,18 +1934,18 @@ enum i915_power_well_id { #define _ICL_PORT_TX_GRP 0x680 #define _ICL_PORT_TX_LN(ln) (0x880 + (ln) * 0x100) -#define _ICL_PORT_TX_DW_AUX(dw, port) (_ICL_COMBOPHY(port) + \ +#define _ICL_PORT_TX_DW_AUX(dw, phy) (_ICL_COMBOPHY(phy) + \ _ICL_PORT_TX_AUX + 4 * (dw)) -#define _ICL_PORT_TX_DW_GRP(dw, port) (_ICL_COMBOPHY(port) + \ +#define _ICL_PORT_TX_DW_GRP(dw, phy) (_ICL_COMBOPHY(phy) + \ _ICL_PORT_TX_GRP + 4 * (dw)) -#define _ICL_PORT_TX_DW_LN(dw, ln, port) (_ICL_COMBOPHY(port) + \ +#define _ICL_PORT_TX_DW_LN(dw, ln, phy) (_ICL_COMBOPHY(phy) + \ _ICL_PORT_TX_LN(ln) + 4 * (dw)) #define CNL_PORT_TX_DW2_GRP(port) _MMIO(_CNL_PORT_TX_DW_GRP(2, port)) #define CNL_PORT_TX_DW2_LN0(port) _MMIO(_CNL_PORT_TX_DW_LN0(2, port)) -#define ICL_PORT_TX_DW2_AUX(port) _MMIO(_ICL_PORT_TX_DW_AUX(2, port)) -#define ICL_PORT_TX_DW2_GRP(port) _MMIO(_ICL_PORT_TX_DW_GRP(2, port)) -#define ICL_PORT_TX_DW2_LN0(port) _MMIO(_ICL_PORT_TX_DW_LN(2, 0, port)) +#define ICL_PORT_TX_DW2_AUX(phy) _MMIO(_ICL_PORT_TX_DW_AUX(2, phy)) +#define ICL_PORT_TX_DW2_GRP(phy) _MMIO(_ICL_PORT_TX_DW_GRP(2, phy)) +#define ICL_PORT_TX_DW2_LN0(phy) _MMIO(_ICL_PORT_TX_DW_LN(2, 0, phy)) #define SWING_SEL_UPPER(x) (((x) >> 3) << 15) #define SWING_SEL_UPPER_MASK (1 << 15) #define SWING_SEL_LOWER(x) (((x) & 0x7) << 11) @@ -1957,10 +1962,10 @@ enum i915_power_well_id { #define CNL_PORT_TX_DW4_LN(ln, port) _MMIO(_CNL_PORT_TX_DW_LN0(4, (port)) + \ ((ln) * (_CNL_PORT_TX_DW4_LN1_AE - \ _CNL_PORT_TX_DW4_LN0_AE))) -#define ICL_PORT_TX_DW4_AUX(port) _MMIO(_ICL_PORT_TX_DW_AUX(4, port)) -#define ICL_PORT_TX_DW4_GRP(port) _MMIO(_ICL_PORT_TX_DW_GRP(4, port)) -#define ICL_PORT_TX_DW4_LN0(port) _MMIO(_ICL_PORT_TX_DW_LN(4, 0, port)) -#define ICL_PORT_TX_DW4_LN(ln, port) _MMIO(_ICL_PORT_TX_DW_LN(4, ln, port)) +#define ICL_PORT_TX_DW4_AUX(phy) _MMIO(_ICL_PORT_TX_DW_AUX(4, phy)) +#define ICL_PORT_TX_DW4_GRP(phy) _MMIO(_ICL_PORT_TX_DW_GRP(4, phy)) +#define ICL_PORT_TX_DW4_LN0(phy) _MMIO(_ICL_PORT_TX_DW_LN(4, 0, phy)) +#define ICL_PORT_TX_DW4_LN(ln, phy) _MMIO(_ICL_PORT_TX_DW_LN(4, ln, phy)) #define LOADGEN_SELECT (1 << 31) #define POST_CURSOR_1(x) ((x) << 12) #define POST_CURSOR_1_MASK (0x3F << 12) @@ -1971,9 +1976,9 @@ enum i915_power_well_id { #define CNL_PORT_TX_DW5_GRP(port) _MMIO(_CNL_PORT_TX_DW_GRP(5, port)) #define CNL_PORT_TX_DW5_LN0(port) _MMIO(_CNL_PORT_TX_DW_LN0(5, port)) -#define ICL_PORT_TX_DW5_AUX(port) _MMIO(_ICL_PORT_TX_DW_AUX(5, port)) -#define ICL_PORT_TX_DW5_GRP(port) _MMIO(_ICL_PORT_TX_DW_GRP(5, port)) -#define ICL_PORT_TX_DW5_LN0(port) _MMIO(_ICL_PORT_TX_DW_LN(5, 0, port)) +#define ICL_PORT_TX_DW5_AUX(phy) _MMIO(_ICL_PORT_TX_DW_AUX(5, phy)) +#define ICL_PORT_TX_DW5_GRP(phy) _MMIO(_ICL_PORT_TX_DW_GRP(5, phy)) +#define ICL_PORT_TX_DW5_LN0(phy) _MMIO(_ICL_PORT_TX_DW_LN(5, 0, phy)) #define TX_TRAINING_EN (1 << 31) #define TAP2_DISABLE (1 << 30) #define TAP3_DISABLE (1 << 29) @@ -1984,13 +1989,17 @@ enum i915_power_well_id { #define CNL_PORT_TX_DW7_GRP(port) _MMIO(_CNL_PORT_TX_DW_GRP(7, (port))) #define CNL_PORT_TX_DW7_LN0(port) _MMIO(_CNL_PORT_TX_DW_LN0(7, (port))) -#define ICL_PORT_TX_DW7_AUX(port) _MMIO(_ICL_PORT_TX_DW_AUX(7, port)) -#define ICL_PORT_TX_DW7_GRP(port) _MMIO(_ICL_PORT_TX_DW_GRP(7, port)) -#define ICL_PORT_TX_DW7_LN0(port) _MMIO(_ICL_PORT_TX_DW_LN(7, 0, port)) -#define ICL_PORT_TX_DW7_LN(ln, port) _MMIO(_ICL_PORT_TX_DW_LN(7, ln, port)) +#define ICL_PORT_TX_DW7_AUX(phy) _MMIO(_ICL_PORT_TX_DW_AUX(7, phy)) +#define ICL_PORT_TX_DW7_GRP(phy) _MMIO(_ICL_PORT_TX_DW_GRP(7, phy)) +#define ICL_PORT_TX_DW7_LN0(phy) _MMIO(_ICL_PORT_TX_DW_LN(7, 0, phy)) +#define ICL_PORT_TX_DW7_LN(ln, phy) _MMIO(_ICL_PORT_TX_DW_LN(7, ln, phy)) #define N_SCALAR(x) ((x) << 24) #define N_SCALAR_MASK (0x7F << 24) +#define _ICL_DPHY_CHKN_REG 0x194 +#define ICL_DPHY_CHKN(port) _MMIO(_ICL_COMBOPHY(port) + _ICL_DPHY_CHKN_REG) +#define ICL_DPHY_CHKN_AFE_OVER_PPI_STRAP REG_BIT(7) + #define MG_PHY_PORT_LN(ln, port, ln0p1, ln0p2, ln1p1) \ _MMIO(_PORT((port) - PORT_C, ln0p1, ln0p2) + (ln) * ((ln1p1) - (ln0p1))) @@ -2195,9 +2204,13 @@ enum i915_power_well_id { #define DW6_OLDO_DYN_PWR_DOWN_EN (1 << 28) #define FIA1_BASE 0x163000 +#define FIA2_BASE 0x16E000 +#define FIA3_BASE 0x16F000 +#define _FIA(fia) _PICK((fia), FIA1_BASE, FIA2_BASE, FIA3_BASE) +#define _MMIO_FIA(fia, off) _MMIO(_FIA(fia) + (off)) /* ICL PHY DFLEX registers */ -#define PORT_TX_DFLEXDPMLE1 _MMIO(FIA1_BASE + 0x008C0) +#define PORT_TX_DFLEXDPMLE1(fia) _MMIO_FIA((fia), 0x008C0) #define DFLEXDPMLE1_DPMLETC_MASK(tc_port) (0xf << (4 * (tc_port))) #define DFLEXDPMLE1_DPMLETC_ML0(tc_port) (1 << (4 * (tc_port))) #define DFLEXDPMLE1_DPMLETC_ML1_0(tc_port) (3 << (4 * (tc_port))) @@ -2513,13 +2526,19 @@ enum i915_power_well_id { #define RING_WAIT_SEMAPHORE (1 << 10) /* gen6+ */ #define RING_FORCE_TO_NONPRIV(base, i) _MMIO(((base) + 0x4D0) + (i) * 4) -#define RING_FORCE_TO_NONPRIV_RW (0 << 28) /* CFL+ & Gen11+ */ -#define RING_FORCE_TO_NONPRIV_RD (1 << 28) -#define RING_FORCE_TO_NONPRIV_WR (2 << 28) +#define RING_FORCE_TO_NONPRIV_ACCESS_RW (0 << 28) /* CFL+ & Gen11+ */ +#define RING_FORCE_TO_NONPRIV_ACCESS_RD (1 << 28) +#define RING_FORCE_TO_NONPRIV_ACCESS_WR (2 << 28) +#define RING_FORCE_TO_NONPRIV_ACCESS_INVALID (3 << 28) +#define RING_FORCE_TO_NONPRIV_ACCESS_MASK (3 << 28) #define RING_FORCE_TO_NONPRIV_RANGE_1 (0 << 0) /* CFL+ & Gen11+ */ #define RING_FORCE_TO_NONPRIV_RANGE_4 (1 << 0) #define RING_FORCE_TO_NONPRIV_RANGE_16 (2 << 0) #define RING_FORCE_TO_NONPRIV_RANGE_64 (3 << 0) +#define RING_FORCE_TO_NONPRIV_RANGE_MASK (3 << 0) +#define RING_FORCE_TO_NONPRIV_MASK_VALID \ + (RING_FORCE_TO_NONPRIV_RANGE_MASK \ + | RING_FORCE_TO_NONPRIV_ACCESS_MASK) #define RING_MAX_NONPRIV_SLOTS 12 #define GEN7_TLB_RD_ADDR _MMIO(0x4700) @@ -3246,8 +3265,10 @@ enum i915_power_well_id { #define GMBUS_PIN_10_TC2_ICP 10 #define GMBUS_PIN_11_TC3_ICP 11 #define GMBUS_PIN_12_TC4_ICP 12 +#define GMBUS_PIN_13_TC5_TGP 13 +#define GMBUS_PIN_14_TC6_TGP 14 -#define GMBUS_NUM_PINS 13 /* including 0 */ +#define GMBUS_NUM_PINS 15 /* including 0 */ #define GMBUS1 _MMIO(dev_priv->gpio_mmio_base + 0x5104) /* command/status */ #define GMBUS_SW_CLR_INT (1 << 31) #define GMBUS_SW_RDY (1 << 30) @@ -4209,6 +4230,7 @@ enum { #define TRANSCODER_B_OFFSET 0x61000 #define TRANSCODER_C_OFFSET 0x62000 #define CHV_TRANSCODER_C_OFFSET 0x63000 +#define TRANSCODER_D_OFFSET 0x63000 #define TRANSCODER_EDP_OFFSET 0x6f000 #define TRANSCODER_DSI0_OFFSET 0x6b000 #define TRANSCODER_DSI1_OFFSET 0x6b800 @@ -5755,6 +5777,7 @@ enum { #define PIPE_A_OFFSET 0x70000 #define PIPE_B_OFFSET 0x71000 #define PIPE_C_OFFSET 0x72000 +#define PIPE_D_OFFSET 0x73000 #define CHV_PIPE_C_OFFSET 0x74000 /* * There's actually no pipe EDP. Some pipe registers have @@ -6284,6 +6307,7 @@ enum { #define _DSPATILEOFF 0x701A4 /* 965+ only */ #define _DSPAOFFSET 0x701A4 /* HSW */ #define _DSPASURFLIVE 0x701AC +#define _DSPAGAMC 0x701E0 #define DSPCNTR(plane) _MMIO_PIPE2(plane, _DSPACNTR) #define DSPADDR(plane) _MMIO_PIPE2(plane, _DSPAADDR) @@ -6295,6 +6319,7 @@ enum { #define DSPLINOFF(plane) DSPADDR(plane) #define DSPOFFSET(plane) _MMIO_PIPE2(plane, _DSPAOFFSET) #define DSPSURFLIVE(plane) _MMIO_PIPE2(plane, _DSPASURFLIVE) +#define DSPGAMC(plane, i) _MMIO(_PIPE2(plane, _DSPAGAMC) + (5 - (i)) * 4) /* plane C only, 6 x u0.8 */ /* CHV pipe B blender and primary plane */ #define _CHV_BLEND_A 0x60a00 @@ -6397,6 +6422,7 @@ enum { #define _DVSAKEYMAXVAL 0x721a0 #define _DVSATILEOFF 0x721a4 #define _DVSASURFLIVE 0x721ac +#define _DVSAGAMC_G4X 0x721e0 /* g4x */ #define _DVSASCALE 0x72204 #define DVS_SCALE_ENABLE (1 << 31) #define DVS_FILTER_MASK (3 << 29) @@ -6405,7 +6431,8 @@ enum { #define DVS_FILTER_SOFTENING (2 << 29) #define DVS_VERTICAL_OFFSET_HALF (1 << 28) /* must be enabled below */ #define DVS_VERTICAL_OFFSET_ENABLE (1 << 27) -#define _DVSAGAMC 0x72300 +#define _DVSAGAMC_ILK 0x72300 /* ilk/snb */ +#define _DVSAGAMCMAX_ILK 0x72340 /* ilk/snb */ #define _DVSBCNTR 0x73180 #define _DVSBLINOFF 0x73184 @@ -6418,8 +6445,10 @@ enum { #define _DVSBKEYMAXVAL 0x731a0 #define _DVSBTILEOFF 0x731a4 #define _DVSBSURFLIVE 0x731ac +#define _DVSBGAMC_G4X 0x731e0 /* g4x */ #define _DVSBSCALE 0x73204 -#define _DVSBGAMC 0x73300 +#define _DVSBGAMC_ILK 0x73300 /* ilk/snb */ +#define _DVSBGAMCMAX_ILK 0x73340 /* ilk/snb */ #define DVSCNTR(pipe) _MMIO_PIPE(pipe, _DVSACNTR, _DVSBCNTR) #define DVSLINOFF(pipe) _MMIO_PIPE(pipe, _DVSALINOFF, _DVSBLINOFF) @@ -6433,6 +6462,9 @@ enum { #define DVSKEYVAL(pipe) _MMIO_PIPE(pipe, _DVSAKEYVAL, _DVSBKEYVAL) #define DVSKEYMSK(pipe) _MMIO_PIPE(pipe, _DVSAKEYMSK, _DVSBKEYMSK) #define DVSSURFLIVE(pipe) _MMIO_PIPE(pipe, _DVSASURFLIVE, _DVSBSURFLIVE) +#define DVSGAMC_G4X(pipe, i) _MMIO(_PIPE(pipe, _DVSAGAMC_G4X, _DVSBGAMC_G4X) + (5 - (i)) * 4) /* 6 x u0.8 */ +#define DVSGAMC_ILK(pipe, i) _MMIO(_PIPE(pipe, _DVSAGAMC_ILK, _DVSBGAMC_ILK) + (i) * 4) /* 16 x u0.10 */ +#define DVSGAMCMAX_ILK(pipe, i) _MMIO(_PIPE(pipe, _DVSAGAMCMAX_ILK, _DVSBGAMCMAX_ILK) + (i) * 4) /* 3 x u1.10 */ #define _SPRA_CTL 0x70280 #define SPRITE_ENABLE (1 << 31) @@ -6457,7 +6489,7 @@ enum { #define SPRITE_YUV_ORDER_VYUY (3 << 16) #define SPRITE_ROTATE_180 (1 << 15) #define SPRITE_TRICKLE_FEED_DISABLE (1 << 14) -#define SPRITE_INT_GAMMA_ENABLE (1 << 13) +#define SPRITE_INT_GAMMA_DISABLE (1 << 13) #define SPRITE_TILED (1 << 10) #define SPRITE_DEST_KEY (1 << 2) #define _SPRA_LINOFF 0x70284 @@ -6480,6 +6512,8 @@ enum { #define SPRITE_VERTICAL_OFFSET_HALF (1 << 28) /* must be enabled below */ #define SPRITE_VERTICAL_OFFSET_ENABLE (1 << 27) #define _SPRA_GAMC 0x70400 +#define _SPRA_GAMC16 0x70440 +#define _SPRA_GAMC17 0x7044c #define _SPRB_CTL 0x71280 #define _SPRB_LINOFF 0x71284 @@ -6495,6 +6529,8 @@ enum { #define _SPRB_SURFLIVE 0x712ac #define _SPRB_SCALE 0x71304 #define _SPRB_GAMC 0x71400 +#define _SPRB_GAMC16 0x71440 +#define _SPRB_GAMC17 0x7144c #define SPRCTL(pipe) _MMIO_PIPE(pipe, _SPRA_CTL, _SPRB_CTL) #define SPRLINOFF(pipe) _MMIO_PIPE(pipe, _SPRA_LINOFF, _SPRB_LINOFF) @@ -6508,7 +6544,9 @@ enum { #define SPRTILEOFF(pipe) _MMIO_PIPE(pipe, _SPRA_TILEOFF, _SPRB_TILEOFF) #define SPROFFSET(pipe) _MMIO_PIPE(pipe, _SPRA_OFFSET, _SPRB_OFFSET) #define SPRSCALE(pipe) _MMIO_PIPE(pipe, _SPRA_SCALE, _SPRB_SCALE) -#define SPRGAMC(pipe) _MMIO_PIPE(pipe, _SPRA_GAMC, _SPRB_GAMC) +#define SPRGAMC(pipe, i) _MMIO(_PIPE(pipe, _SPRA_GAMC, _SPRB_GAMC) + (i) * 4) /* 16 x u0.10 */ +#define SPRGAMC16(pipe, i) _MMIO(_PIPE(pipe, _SPRA_GAMC16, _SPRB_GAMC16) + (i) * 4) /* 3 x u1.10 */ +#define SPRGAMC17(pipe, i) _MMIO(_PIPE(pipe, _SPRA_GAMC17, _SPRB_GAMC17) + (i) * 4) /* 3 x u2.10 */ #define SPRSURFLIVE(pipe) _MMIO_PIPE(pipe, _SPRA_SURFLIVE, _SPRB_SURFLIVE) #define _SPACNTR (VLV_DISPLAY_BASE + 0x72180) @@ -6551,7 +6589,7 @@ enum { #define _SPACLRC1 (VLV_DISPLAY_BASE + 0x721d4) #define SP_SH_SIN(x) (((x) & 0x7ff) << 16) /* s4.7 */ #define SP_SH_COS(x) (x) /* u3.7 */ -#define _SPAGAMC (VLV_DISPLAY_BASE + 0x721f4) +#define _SPAGAMC (VLV_DISPLAY_BASE + 0x721e0) #define _SPBCNTR (VLV_DISPLAY_BASE + 0x72280) #define _SPBLINOFF (VLV_DISPLAY_BASE + 0x72284) @@ -6566,10 +6604,12 @@ enum { #define _SPBCONSTALPHA (VLV_DISPLAY_BASE + 0x722a8) #define _SPBCLRC0 (VLV_DISPLAY_BASE + 0x722d0) #define _SPBCLRC1 (VLV_DISPLAY_BASE + 0x722d4) -#define _SPBGAMC (VLV_DISPLAY_BASE + 0x722f4) +#define _SPBGAMC (VLV_DISPLAY_BASE + 0x722e0) +#define _VLV_SPR(pipe, plane_id, reg_a, reg_b) \ + _PIPE((pipe) * 2 + (plane_id) - PLANE_SPRITE0, (reg_a), (reg_b)) #define _MMIO_VLV_SPR(pipe, plane_id, reg_a, reg_b) \ - _MMIO_PIPE((pipe) * 2 + (plane_id) - PLANE_SPRITE0, (reg_a), (reg_b)) + _MMIO(_VLV_SPR((pipe), (plane_id), (reg_a), (reg_b))) #define SPCNTR(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACNTR, _SPBCNTR) #define SPLINOFF(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPALINOFF, _SPBLINOFF) @@ -6584,7 +6624,7 @@ enum { #define SPCONSTALPHA(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACONSTALPHA, _SPBCONSTALPHA) #define SPCLRC0(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACLRC0, _SPBCLRC0) #define SPCLRC1(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACLRC1, _SPBCLRC1) -#define SPGAMC(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPAGAMC, _SPBGAMC) +#define SPGAMC(pipe, plane_id, i) _MMIO(_VLV_SPR((pipe), (plane_id), _SPAGAMC, _SPBGAMC) + (5 - (i)) * 4) /* 6 x u0.10 */ /* * CHV pipe B sprite CSC @@ -7317,16 +7357,6 @@ enum { #define GEN8_GT_IIR(which) _MMIO(0x44308 + (0x10 * (which))) #define GEN8_GT_IER(which) _MMIO(0x4430c + (0x10 * (which))) -#define GEN9_GUC_TO_HOST_INT_EVENT (1 << 31) -#define GEN9_GUC_EXEC_ERROR_EVENT (1 << 30) -#define GEN9_GUC_DISPLAY_EVENT (1 << 29) -#define GEN9_GUC_SEMA_SIGNAL_EVENT (1 << 28) -#define GEN9_GUC_IOMMU_MSG_EVENT (1 << 27) -#define GEN9_GUC_DB_RING_EVENT (1 << 26) -#define GEN9_GUC_DMA_DONE_EVENT (1 << 25) -#define GEN9_GUC_FATAL_ERROR_EVENT (1 << 24) -#define GEN9_GUC_NOTIFICATION_EVENT (1 << 23) - #define GEN8_RCS_IRQ_SHIFT 0 #define GEN8_BCS_IRQ_SHIFT 16 #define GEN8_VCS0_IRQ_SHIFT 0 /* NB: VCS1 in bspec! */ @@ -7606,6 +7636,7 @@ enum { #define SKL_DFSM_PIPE_A_DISABLE (1 << 30) #define SKL_DFSM_PIPE_B_DISABLE (1 << 21) #define SKL_DFSM_PIPE_C_DISABLE (1 << 28) +#define TGL_DFSM_PIPE_D_DISABLE (1 << 22) #define SKL_DSSM _MMIO(0x51004) #define CNL_DSSM_CDCLK_PLL_REFCLK_24MHz (1 << 31) @@ -7690,6 +7721,9 @@ enum { #define GEN7_L3SQCREG4 _MMIO(0xb034) #define L3SQ_URB_READ_CAM_MATCH_DISABLE (1 << 27) +#define GEN11_SCRATCH2 _MMIO(0xb140) +#define GEN11_COHERENT_PARTIAL_WRITE_MERGE_ENABLE (1 << 19) + #define GEN8_L3SQCREG4 _MMIO(0xb118) #define GEN11_LQSC_CLEAN_EVICT_DISABLE (1 << 6) #define GEN8_LQSC_RO_PERF_DIS (1 << 27) @@ -9119,7 +9153,8 @@ enum { #define GLK_PW_CTL_IDX_DDI_A 1 #define SKL_PW_CTL_IDX_MISC_IO 0 -/* ICL - power wells */ +/* ICL/TGL - power wells */ +#define TGL_PW_CTL_IDX_PW_5 4 #define ICL_PW_CTL_IDX_PW_4 3 #define ICL_PW_CTL_IDX_PW_3 2 #define ICL_PW_CTL_IDX_PW_2 1 @@ -9128,13 +9163,25 @@ enum { #define ICL_PWR_WELL_CTL_AUX1 _MMIO(0x45440) #define ICL_PWR_WELL_CTL_AUX2 _MMIO(0x45444) #define ICL_PWR_WELL_CTL_AUX4 _MMIO(0x4544C) +#define TGL_PW_CTL_IDX_AUX_TBT6 14 +#define TGL_PW_CTL_IDX_AUX_TBT5 13 +#define TGL_PW_CTL_IDX_AUX_TBT4 12 #define ICL_PW_CTL_IDX_AUX_TBT4 11 +#define TGL_PW_CTL_IDX_AUX_TBT3 11 #define ICL_PW_CTL_IDX_AUX_TBT3 10 +#define TGL_PW_CTL_IDX_AUX_TBT2 10 #define ICL_PW_CTL_IDX_AUX_TBT2 9 +#define TGL_PW_CTL_IDX_AUX_TBT1 9 #define ICL_PW_CTL_IDX_AUX_TBT1 8 +#define TGL_PW_CTL_IDX_AUX_TC6 8 +#define TGL_PW_CTL_IDX_AUX_TC5 7 +#define TGL_PW_CTL_IDX_AUX_TC4 6 #define ICL_PW_CTL_IDX_AUX_F 5 +#define TGL_PW_CTL_IDX_AUX_TC3 5 #define ICL_PW_CTL_IDX_AUX_E 4 +#define TGL_PW_CTL_IDX_AUX_TC2 4 #define ICL_PW_CTL_IDX_AUX_D 3 +#define TGL_PW_CTL_IDX_AUX_TC1 3 #define ICL_PW_CTL_IDX_AUX_C 2 #define ICL_PW_CTL_IDX_AUX_B 1 #define ICL_PW_CTL_IDX_AUX_A 0 @@ -9142,9 +9189,15 @@ enum { #define ICL_PWR_WELL_CTL_DDI1 _MMIO(0x45450) #define ICL_PWR_WELL_CTL_DDI2 _MMIO(0x45454) #define ICL_PWR_WELL_CTL_DDI4 _MMIO(0x4545C) +#define TGL_PW_CTL_IDX_DDI_TC6 8 +#define TGL_PW_CTL_IDX_DDI_TC5 7 +#define TGL_PW_CTL_IDX_DDI_TC4 6 #define ICL_PW_CTL_IDX_DDI_F 5 +#define TGL_PW_CTL_IDX_DDI_TC3 5 #define ICL_PW_CTL_IDX_DDI_E 4 +#define TGL_PW_CTL_IDX_DDI_TC2 4 #define ICL_PW_CTL_IDX_DDI_D 3 +#define TGL_PW_CTL_IDX_DDI_TC1 3 #define ICL_PW_CTL_IDX_DDI_C 2 #define ICL_PW_CTL_IDX_DDI_B 1 #define ICL_PW_CTL_IDX_DDI_A 0 @@ -9197,9 +9250,11 @@ enum skl_power_gate { #define _ICL_AUX_REG_IDX(pw_idx) ((pw_idx) - ICL_PW_CTL_IDX_AUX_A) #define _ICL_AUX_ANAOVRD1_A 0x162398 #define _ICL_AUX_ANAOVRD1_B 0x6C398 +#define _TGL_AUX_ANAOVRD1_C 0x160398 #define ICL_AUX_ANAOVRD1(pw_idx) _MMIO(_PICK(_ICL_AUX_REG_IDX(pw_idx), \ _ICL_AUX_ANAOVRD1_A, \ - _ICL_AUX_ANAOVRD1_B)) + _ICL_AUX_ANAOVRD1_B, \ + _TGL_AUX_ANAOVRD1_C)) #define ICL_AUX_ANAOVRD1_LDO_BYPASS (1 << 7) #define ICL_AUX_ANAOVRD1_ENABLE (1 << 0) @@ -9321,6 +9376,7 @@ enum skl_power_gate { #define _TRANS_DDI_FUNC_CTL_A 0x60400 #define _TRANS_DDI_FUNC_CTL_B 0x61400 #define _TRANS_DDI_FUNC_CTL_C 0x62400 +#define _TRANS_DDI_FUNC_CTL_D 0x63400 #define _TRANS_DDI_FUNC_CTL_EDP 0x6F400 #define _TRANS_DDI_FUNC_CTL_DSI0 0x6b400 #define _TRANS_DDI_FUNC_CTL_DSI1 0x6bc00 @@ -9328,10 +9384,12 @@ enum skl_power_gate { #define TRANS_DDI_FUNC_ENABLE (1 << 31) /* Those bits are ignored by pipe EDP since it can only connect to DDI A */ -#define TRANS_DDI_PORT_MASK (7 << 28) #define TRANS_DDI_PORT_SHIFT 28 -#define TRANS_DDI_SELECT_PORT(x) ((x) << 28) -#define TRANS_DDI_PORT_NONE (0 << 28) +#define TGL_TRANS_DDI_PORT_SHIFT 27 +#define TRANS_DDI_PORT_MASK (7 << TRANS_DDI_PORT_SHIFT) +#define TGL_TRANS_DDI_PORT_MASK (0xf << TGL_TRANS_DDI_PORT_SHIFT) +#define TRANS_DDI_SELECT_PORT(x) ((x) << TRANS_DDI_PORT_SHIFT) +#define TGL_TRANS_DDI_SELECT_PORT(x) (((x) + 1) << TGL_TRANS_DDI_PORT_SHIFT) #define TRANS_DDI_MODE_SELECT_MASK (7 << 24) #define TRANS_DDI_MODE_SELECT_HDMI (0 << 24) #define TRANS_DDI_MODE_SELECT_DVI (1 << 24) @@ -9541,6 +9599,9 @@ enum skl_power_gate { /* For each transcoder, we need to select the corresponding port clock */ #define TRANS_CLK_SEL_DISABLED (0x0 << 29) #define TRANS_CLK_SEL_PORT(x) (((x) + 1) << 29) +#define TGL_TRANS_CLK_SEL_DISABLED (0x0 << 28) +#define TGL_TRANS_CLK_SEL_PORT(x) (((x) + 1) << 28) + #define CDCLK_FREQ _MMIO(0x46200) @@ -9672,17 +9733,22 @@ enum skl_power_gate { * CNL Clocks */ #define DPCLKA_CFGCR0 _MMIO(0x6C200) -#define DPCLKA_CFGCR0_ICL _MMIO(0x164280) #define DPCLKA_CFGCR0_DDI_CLK_OFF(port) (1 << ((port) == PORT_F ? 23 : \ (port) + 10)) -#define ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(port) (1 << ((port) + 10)) -#define ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port) (1 << ((tc_port) == PORT_TC4 ? \ - 21 : (tc_port) + 12)) #define DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(port) ((port) == PORT_F ? 21 : \ (port) * 2) #define DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port) (3 << DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(port)) #define DPCLKA_CFGCR0_DDI_CLK_SEL(pll, port) ((pll) << DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(port)) +#define ICL_DPCLKA_CFGCR0 _MMIO(0x164280) +#define ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy) (1 << _PICK(phy, 10, 11, 24)) +#define ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port) (1 << ((tc_port) < PORT_TC4 ? \ + (tc_port) + 12 : \ + (tc_port) - PORT_TC4 + 21)) +#define ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy) ((phy) * 2) +#define ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy) (3 << ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy)) +#define ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll, phy) ((pll) << ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy)) + /* CNL PLL */ #define DPLL0_ENABLE 0x46010 #define DPLL1_ENABLE 0x46014 @@ -9887,6 +9953,7 @@ enum skl_power_gate { #define DPLL_CFGCR1_PDIV_7 (8 << 2) #define DPLL_CFGCR1_CENTRAL_FREQ (3 << 0) #define DPLL_CFGCR1_CENTRAL_FREQ_8400 (3 << 0) +#define TGL_DPLL_CFGCR1_CFSELOVRD_NORMAL_XTAL (0 << 0) #define CNL_DPLL_CFGCR1(pll) _MMIO_PLL(pll, _CNL_DPLL0_CFGCR1, _CNL_DPLL1_CFGCR1) #define _ICL_DPLL0_CFGCR0 0x164000 @@ -9899,6 +9966,22 @@ enum skl_power_gate { #define ICL_DPLL_CFGCR1(pll) _MMIO_PLL(pll, _ICL_DPLL0_CFGCR1, \ _ICL_DPLL1_CFGCR1) +#define _TGL_DPLL0_CFGCR0 0x164284 +#define _TGL_DPLL1_CFGCR0 0x16428C +/* TODO: add DPLL4 */ +#define _TGL_TBTPLL_CFGCR0 0x16429C +#define TGL_DPLL_CFGCR0(pll) _MMIO_PLL3(pll, _TGL_DPLL0_CFGCR0, \ + _TGL_DPLL1_CFGCR0, \ + _TGL_TBTPLL_CFGCR0) + +#define _TGL_DPLL0_CFGCR1 0x164288 +#define _TGL_DPLL1_CFGCR1 0x164290 +/* TODO: add DPLL4 */ +#define _TGL_TBTPLL_CFGCR1 0x1642A0 +#define TGL_DPLL_CFGCR1(pll) _MMIO_PLL3(pll, _TGL_DPLL0_CFGCR1, \ + _TGL_DPLL1_CFGCR1, \ + _TGL_TBTPLL_CFGCR1) + /* BXT display engine PLL */ #define BXT_DE_PLL_CTL _MMIO(0x6d000) #define BXT_DE_PLL_RATIO(x) (x) /* {60,65,100} * 19.2MHz */ @@ -11145,6 +11228,7 @@ enum skl_power_gate { #define _ICL_PHY_MISC_B 0x64C04 #define ICL_PHY_MISC(port) _MMIO_PORT(port, _ICL_PHY_MISC_A, \ _ICL_PHY_MISC_B) +#define ICL_PHY_MISC_MUX_DDID (1 << 28) #define ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN (1 << 23) /* Icelake Display Stream Compression Registers */ @@ -11454,17 +11538,18 @@ enum skl_power_gate { _ICL_DSC1_RC_BUF_THRESH_1_UDW_PB, \ _ICL_DSC1_RC_BUF_THRESH_1_UDW_PC) -#define PORT_TX_DFLEXDPSP _MMIO(FIA1_BASE + 0x008A0) +#define PORT_TX_DFLEXDPSP(fia) _MMIO_FIA((fia), 0x008A0) +#define MODULAR_FIA_MASK (1 << 4) #define TC_LIVE_STATE_TBT(tc_port) (1 << ((tc_port) * 8 + 6)) #define TC_LIVE_STATE_TC(tc_port) (1 << ((tc_port) * 8 + 5)) #define DP_LANE_ASSIGNMENT_SHIFT(tc_port) ((tc_port) * 8) #define DP_LANE_ASSIGNMENT_MASK(tc_port) (0xf << ((tc_port) * 8)) #define DP_LANE_ASSIGNMENT(tc_port, x) ((x) << ((tc_port) * 8)) -#define PORT_TX_DFLEXDPPMS _MMIO(FIA1_BASE + 0x00890) +#define PORT_TX_DFLEXDPPMS(fia) _MMIO_FIA((fia), 0x00890) #define DP_PHY_MODE_STATUS_COMPLETED(tc_port) (1 << (tc_port)) -#define PORT_TX_DFLEXDPCSSS _MMIO(FIA1_BASE + 0x00894) +#define PORT_TX_DFLEXDPCSSS(fia) _MMIO_FIA((fia), 0x00894) #define DP_PHY_MODE_STATUS_NOT_SAFE(tc_port) (1 << (tc_port)) #endif /* _I915_REG_H_ */ diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index a195a92d0105..8ac7d14ec8c9 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -119,6 +119,50 @@ const struct dma_fence_ops i915_fence_ops = { .release = i915_fence_release, }; +static void irq_execute_cb(struct irq_work *wrk) +{ + struct execute_cb *cb = container_of(wrk, typeof(*cb), work); + + i915_sw_fence_complete(cb->fence); + kmem_cache_free(global.slab_execute_cbs, cb); +} + +static void irq_execute_cb_hook(struct irq_work *wrk) +{ + struct execute_cb *cb = container_of(wrk, typeof(*cb), work); + + cb->hook(container_of(cb->fence, struct i915_request, submit), + &cb->signal->fence); + i915_request_put(cb->signal); + + irq_execute_cb(wrk); +} + +static void __notify_execute_cb(struct i915_request *rq) +{ + struct execute_cb *cb; + + lockdep_assert_held(&rq->lock); + + if (list_empty(&rq->execute_cb)) + return; + + list_for_each_entry(cb, &rq->execute_cb, link) + irq_work_queue(&cb->work); + + /* + * XXX Rollback on __i915_request_unsubmit() + * + * In the future, perhaps when we have an active time-slicing scheduler, + * it will be interesting to unsubmit parallel execution and remove + * busywaits from the GPU until their master is restarted. This is + * quite hairy, we have to carefully rollback the fence and do a + * preempt-to-idle cycle on the target engine, all the while the + * master execute_cb may refire. + */ + INIT_LIST_HEAD(&rq->execute_cb); +} + static inline void i915_request_remove_from_client(struct i915_request *request) { @@ -232,6 +276,12 @@ static bool i915_request_retire(struct i915_request *rq) local_irq_disable(); + /* + * We only loosely track inflight requests across preemption, + * and so we may find ourselves attempting to retire a _completed_ + * request that we have removed from the HW and put back on a run + * queue. + */ spin_lock(&rq->engine->active.lock); list_del(&rq->sched.link); spin_unlock(&rq->engine->active.lock); @@ -242,10 +292,15 @@ static bool i915_request_retire(struct i915_request *rq) dma_fence_signal_locked(&rq->fence); if (test_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, &rq->fence.flags)) i915_request_cancel_breadcrumb(rq); - if (rq->waitboost) { + if (i915_request_has_waitboost(rq)) { GEM_BUG_ON(!atomic_read(&rq->i915->gt_pm.rps.num_waiters)); atomic_dec(&rq->i915->gt_pm.rps.num_waiters); } + if (!test_bit(I915_FENCE_FLAG_ACTIVE, &rq->fence.flags)) { + set_bit(I915_FENCE_FLAG_ACTIVE, &rq->fence.flags); + __notify_execute_cb(rq); + } + GEM_BUG_ON(!list_empty(&rq->execute_cb)); spin_unlock(&rq->lock); local_irq_enable(); @@ -285,50 +340,6 @@ void i915_request_retire_upto(struct i915_request *rq) } while (i915_request_retire(tmp) && tmp != rq); } -static void irq_execute_cb(struct irq_work *wrk) -{ - struct execute_cb *cb = container_of(wrk, typeof(*cb), work); - - i915_sw_fence_complete(cb->fence); - kmem_cache_free(global.slab_execute_cbs, cb); -} - -static void irq_execute_cb_hook(struct irq_work *wrk) -{ - struct execute_cb *cb = container_of(wrk, typeof(*cb), work); - - cb->hook(container_of(cb->fence, struct i915_request, submit), - &cb->signal->fence); - i915_request_put(cb->signal); - - irq_execute_cb(wrk); -} - -static void __notify_execute_cb(struct i915_request *rq) -{ - struct execute_cb *cb; - - lockdep_assert_held(&rq->lock); - - if (list_empty(&rq->execute_cb)) - return; - - list_for_each_entry(cb, &rq->execute_cb, link) - irq_work_queue(&cb->work); - - /* - * XXX Rollback on __i915_request_unsubmit() - * - * In the future, perhaps when we have an active time-slicing scheduler, - * it will be interesting to unsubmit parallel execution and remove - * busywaits from the GPU until their master is restarted. This is - * quite hairy, we have to carefully rollback the fence and do a - * preempt-to-idle cycle on the target engine, all the while the - * master execute_cb may refire. - */ - INIT_LIST_HEAD(&rq->execute_cb); -} - static int __i915_request_await_execution(struct i915_request *rq, struct i915_request *signal, @@ -596,7 +607,7 @@ out: struct i915_request * __i915_request_create(struct intel_context *ce, gfp_t gfp) { - struct i915_timeline *tl = ce->ring->timeline; + struct intel_timeline *tl = ce->ring->timeline; struct i915_request *rq; u32 seqno; int ret; @@ -645,7 +656,7 @@ __i915_request_create(struct intel_context *ce, gfp_t gfp) } } - ret = i915_timeline_get_seqno(tl, rq, &seqno); + ret = intel_timeline_get_seqno(tl, rq, &seqno); if (ret) goto err_free; @@ -673,7 +684,7 @@ __i915_request_create(struct intel_context *ce, gfp_t gfp) rq->file_priv = NULL; rq->batch = NULL; rq->capture_list = NULL; - rq->waitboost = false; + rq->flags = 0; rq->execution_mask = ALL_ENGINES; INIT_LIST_HEAD(&rq->active_list); @@ -764,7 +775,7 @@ i915_request_await_start(struct i915_request *rq, struct i915_request *signal) return 0; signal = list_prev_entry(signal, ring_link); - if (i915_timeline_sync_is_later(rq->timeline, &signal->fence)) + if (intel_timeline_sync_is_later(rq->timeline, &signal->fence)) return 0; return i915_sw_fence_await_dma_fence(&rq->submit, @@ -818,7 +829,7 @@ emit_semaphore_wait(struct i915_request *to, return err; /* We need to pin the signaler's HWSP until we are finished reading. */ - err = i915_timeline_read_hwsp(from, to, &hwsp_offset); + err = intel_timeline_read_hwsp(from, to, &hwsp_offset); if (err) return err; @@ -929,7 +940,7 @@ i915_request_await_dma_fence(struct i915_request *rq, struct dma_fence *fence) /* Squash repeated waits to the same timelines */ if (fence->context != rq->i915->mm.unordered_timeline && - i915_timeline_sync_is_later(rq->timeline, fence)) + intel_timeline_sync_is_later(rq->timeline, fence)) continue; if (dma_fence_is_i915(fence)) @@ -943,7 +954,7 @@ i915_request_await_dma_fence(struct i915_request *rq, struct dma_fence *fence) /* Record the latest fence used against each timeline */ if (fence->context != rq->i915->mm.unordered_timeline) - i915_timeline_sync_set(rq->timeline, fence); + intel_timeline_sync_set(rq->timeline, fence); } while (--nchild); return 0; @@ -1081,7 +1092,7 @@ void i915_request_skip(struct i915_request *rq, int error) static struct i915_request * __i915_request_add_to_timeline(struct i915_request *rq) { - struct i915_timeline *timeline = rq->timeline; + struct intel_timeline *timeline = rq->timeline; struct i915_request *prev; /* @@ -1390,8 +1401,7 @@ long i915_request_wait(struct i915_request *rq, * serialise wait/reset with an explicit lock, we do want * lockdep to detect potential dependency cycles. */ - mutex_acquire(&rq->i915->gpu_error.wedge_mutex.dep_map, - 0, 0, _THIS_IP_); + mutex_acquire(&rq->engine->gt->reset.mutex.dep_map, 0, 0, _THIS_IP_); /* * Optimistic spin before touching IRQs. @@ -1447,8 +1457,10 @@ long i915_request_wait(struct i915_request *rq, for (;;) { set_current_state(state); - if (i915_request_completed(rq)) + if (i915_request_completed(rq)) { + dma_fence_signal(&rq->fence); break; + } if (signal_pending_state(state, current)) { timeout = -ERESTARTSYS; @@ -1467,7 +1479,7 @@ long i915_request_wait(struct i915_request *rq, dma_fence_remove_callback(&rq->fence, &wait.cb); out: - mutex_release(&rq->i915->gpu_error.wedge_mutex.dep_map, 0, _THIS_IP_); + mutex_release(&rq->engine->gt->reset.mutex.dep_map, 0, _THIS_IP_); trace_i915_request_wait_end(rq); return timeout; } diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h index edbbdfec24ab..313df3c37158 100644 --- a/drivers/gpu/drm/i915/i915_request.h +++ b/drivers/gpu/drm/i915/i915_request.h @@ -28,6 +28,7 @@ #include <linux/dma-fence.h> #include <linux/lockdep.h> +#include "gt/intel_context_types.h" #include "gt/intel_engine_types.h" #include "i915_gem.h" @@ -40,8 +41,8 @@ struct drm_file; struct drm_i915_gem_object; struct i915_request; -struct i915_timeline; -struct i915_timeline_cacheline; +struct intel_timeline; +struct intel_timeline_cacheline; struct i915_capture_list { struct i915_capture_list *next; @@ -112,7 +113,7 @@ struct i915_request { struct intel_engine_cs *engine; struct intel_context *hw_context; struct intel_ring *ring; - struct i915_timeline *timeline; + struct intel_timeline *timeline; struct list_head signal_link; /* @@ -175,7 +176,7 @@ struct i915_request { * inside the timeline's HWSP vma, but it is only valid while this * request has not completed and guarded by the timeline mutex. */ - struct i915_timeline_cacheline *hwsp_cacheline; + struct intel_timeline_cacheline *hwsp_cacheline; /** Position in the ring of the start of the request */ u32 head; @@ -215,7 +216,9 @@ struct i915_request { /** Time at which this request was emitted, in jiffies. */ unsigned long emitted_jiffies; - bool waitboost; + unsigned long flags; +#define I915_REQUEST_WAITBOOST BIT(0) +#define I915_REQUEST_NOPREEMPT BIT(1) /** timeline->request entry for this request */ struct list_head link; @@ -429,6 +432,17 @@ static inline void i915_request_mark_complete(struct i915_request *rq) rq->hwsp_seqno = (u32 *)&rq->fence.seqno; /* decouple from HWSP */ } +static inline bool i915_request_has_waitboost(const struct i915_request *rq) +{ + return rq->flags & I915_REQUEST_WAITBOOST; +} + +static inline bool i915_request_has_nopreempt(const struct i915_request *rq) +{ + /* Preemption should only be disabled very rarely */ + return unlikely(rq->flags & I915_REQUEST_NOPREEMPT); +} + bool i915_retire_requests(struct drm_i915_private *i915); #endif /* I915_REQUEST_H */ diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c index 2e9b38bdc33c..0bd452e851d8 100644 --- a/drivers/gpu/drm/i915/i915_scheduler.c +++ b/drivers/gpu/drm/i915/i915_scheduler.c @@ -179,8 +179,7 @@ static inline int rq_prio(const struct i915_request *rq) static void kick_submission(struct intel_engine_cs *engine, int prio) { - const struct i915_request *inflight = - port_request(engine->execlists.port); + const struct i915_request *inflight = *engine->execlists.active; /* * If we are already the currently executing context, don't @@ -395,6 +394,7 @@ bool __i915_sched_node_add_dependency(struct i915_sched_node *node, list_add(&dep->wait_link, &signal->waiters_list); list_add(&dep->signal_link, &node->signalers_list); dep->signaler = signal; + dep->waiter = node; dep->flags = flags; /* Keep track of whether anyone on this chain has a semaphore */ diff --git a/drivers/gpu/drm/i915/i915_scheduler_types.h b/drivers/gpu/drm/i915/i915_scheduler_types.h index 3e309631bd0b..aad81acba9dc 100644 --- a/drivers/gpu/drm/i915/i915_scheduler_types.h +++ b/drivers/gpu/drm/i915/i915_scheduler_types.h @@ -62,6 +62,7 @@ struct i915_sched_node { struct i915_dependency { struct i915_sched_node *signaler; + struct i915_sched_node *waiter; struct list_head signal_link; struct list_head wait_link; struct list_head dfs_link; diff --git a/drivers/gpu/drm/i915/i915_selftest.h b/drivers/gpu/drm/i915/i915_selftest.h index 207e21b478f2..acdf6eb9e262 100644 --- a/drivers/gpu/drm/i915/i915_selftest.h +++ b/drivers/gpu/drm/i915/i915_selftest.h @@ -66,12 +66,37 @@ struct i915_subtest { const char *name; }; +int __i915_nop_setup(void *data); +int __i915_nop_teardown(int err, void *data); + +int __i915_live_setup(void *data); +int __i915_live_teardown(int err, void *data); + +int __intel_gt_live_setup(void *data); +int __intel_gt_live_teardown(int err, void *data); + int __i915_subtests(const char *caller, + int (*setup)(void *data), + int (*teardown)(int err, void *data), const struct i915_subtest *st, unsigned int count, void *data); #define i915_subtests(T, data) \ - __i915_subtests(__func__, T, ARRAY_SIZE(T), data) + __i915_subtests(__func__, \ + __i915_nop_setup, __i915_nop_teardown, \ + T, ARRAY_SIZE(T), data) +#define i915_live_subtests(T, data) ({ \ + typecheck(struct drm_i915_private *, data); \ + __i915_subtests(__func__, \ + __i915_live_setup, __i915_live_teardown, \ + T, ARRAY_SIZE(T), data); \ +}) +#define intel_gt_live_subtests(T, data) ({ \ + typecheck(struct intel_gt *, data); \ + __i915_subtests(__func__, \ + __intel_gt_live_setup, __intel_gt_live_teardown, \ + T, ARRAY_SIZE(T), data); \ +}) #define SUBTEST(x) { x, #x } diff --git a/drivers/gpu/drm/i915/i915_timeline.h b/drivers/gpu/drm/i915/i915_timeline.h deleted file mode 100644 index 36e5e5a65155..000000000000 --- a/drivers/gpu/drm/i915/i915_timeline.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Copyright © 2016 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - */ - -#ifndef I915_TIMELINE_H -#define I915_TIMELINE_H - -#include <linux/lockdep.h> - -#include "i915_active.h" -#include "i915_syncmap.h" -#include "i915_timeline_types.h" - -int i915_timeline_init(struct drm_i915_private *i915, - struct i915_timeline *tl, - struct i915_vma *hwsp); -void i915_timeline_fini(struct i915_timeline *tl); - -struct i915_timeline * -i915_timeline_create(struct drm_i915_private *i915, - struct i915_vma *global_hwsp); - -static inline struct i915_timeline * -i915_timeline_get(struct i915_timeline *timeline) -{ - kref_get(&timeline->kref); - return timeline; -} - -void __i915_timeline_free(struct kref *kref); -static inline void i915_timeline_put(struct i915_timeline *timeline) -{ - kref_put(&timeline->kref, __i915_timeline_free); -} - -static inline int __i915_timeline_sync_set(struct i915_timeline *tl, - u64 context, u32 seqno) -{ - return i915_syncmap_set(&tl->sync, context, seqno); -} - -static inline int i915_timeline_sync_set(struct i915_timeline *tl, - const struct dma_fence *fence) -{ - return __i915_timeline_sync_set(tl, fence->context, fence->seqno); -} - -static inline bool __i915_timeline_sync_is_later(struct i915_timeline *tl, - u64 context, u32 seqno) -{ - return i915_syncmap_is_later(&tl->sync, context, seqno); -} - -static inline bool i915_timeline_sync_is_later(struct i915_timeline *tl, - const struct dma_fence *fence) -{ - return __i915_timeline_sync_is_later(tl, fence->context, fence->seqno); -} - -int i915_timeline_pin(struct i915_timeline *tl); -int i915_timeline_get_seqno(struct i915_timeline *tl, - struct i915_request *rq, - u32 *seqno); -void i915_timeline_unpin(struct i915_timeline *tl); - -int i915_timeline_read_hwsp(struct i915_request *from, - struct i915_request *until, - u32 *hwsp_offset); - -void i915_timelines_init(struct drm_i915_private *i915); -void i915_timelines_park(struct drm_i915_private *i915); -void i915_timelines_fini(struct drm_i915_private *i915); - -#endif diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h index cce426b23a24..da18b8d6b80c 100644 --- a/drivers/gpu/drm/i915/i915_trace.h +++ b/drivers/gpu/drm/i915/i915_trace.h @@ -293,16 +293,16 @@ TRACE_EVENT(intel_update_plane, TP_STRUCT__entry( __field(enum pipe, pipe) - __field(const char *, name) __field(u32, frame) __field(u32, scanline) __array(int, src, 4) __array(int, dst, 4) + __string(name, plane->name) ), TP_fast_assign( + __assign_str(name, plane->name); __entry->pipe = crtc->pipe; - __entry->name = plane->name; __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); memcpy(__entry->src, &plane->state->src, sizeof(__entry->src)); @@ -310,7 +310,7 @@ TRACE_EVENT(intel_update_plane, ), TP_printk("pipe %c, plane %s, frame=%u, scanline=%u, " DRM_RECT_FP_FMT " -> " DRM_RECT_FMT, - pipe_name(__entry->pipe), __entry->name, + pipe_name(__entry->pipe), __get_str(name), __entry->frame, __entry->scanline, DRM_RECT_FP_ARG((const struct drm_rect *)__entry->src), DRM_RECT_ARG((const struct drm_rect *)__entry->dst)) @@ -322,20 +322,20 @@ TRACE_EVENT(intel_disable_plane, TP_STRUCT__entry( __field(enum pipe, pipe) - __field(const char *, name) __field(u32, frame) __field(u32, scanline) + __string(name, plane->name) ), TP_fast_assign( + __assign_str(name, plane->name); __entry->pipe = crtc->pipe; - __entry->name = plane->name; __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); ), TP_printk("pipe %c, plane %s, frame=%u, scanline=%u", - pipe_name(__entry->pipe), __entry->name, + pipe_name(__entry->pipe), __get_str(name), __entry->frame, __entry->scanline) ); diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h index 2987219a6300..4920ff9aba62 100644 --- a/drivers/gpu/drm/i915/i915_utils.h +++ b/drivers/gpu/drm/i915/i915_utils.h @@ -131,6 +131,18 @@ __check_struct_size(size_t base, size_t arr, size_t count, size_t *size) ((typeof(ptr))((unsigned long)(ptr) | __bits)); \ }) +#define ptr_count_dec(p_ptr) do { \ + typeof(p_ptr) __p = (p_ptr); \ + unsigned long __v = (unsigned long)(*__p); \ + *__p = (typeof(*p_ptr))(--__v); \ +} while (0) + +#define ptr_count_inc(p_ptr) do { \ + typeof(p_ptr) __p = (p_ptr); \ + unsigned long __v = (unsigned long)(*__p); \ + *__p = (typeof(*p_ptr))(++__v); \ +} while (0) + #define page_mask_bits(ptr) ptr_mask_bits(ptr, PAGE_SHIFT) #define page_unmask_bits(ptr) ptr_unmask_bits(ptr, PAGE_SHIFT) #define page_pack_bits(ptr, bits) ptr_pack_bits(ptr, bits, PAGE_SHIFT) diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c index 94d3992b599d..dbd1fa3c7d90 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.c +++ b/drivers/gpu/drm/i915/i915_vgpu.c @@ -52,34 +52,53 @@ */ /** - * i915_check_vgpu - detect virtual GPU + * i915_detect_vgpu - detect virtual GPU * @dev_priv: i915 device private * * This function is called at the initialization stage, to detect whether * running on a vGPU. */ -void i915_check_vgpu(struct drm_i915_private *dev_priv) +void i915_detect_vgpu(struct drm_i915_private *dev_priv) { - struct intel_uncore *uncore = &dev_priv->uncore; + struct pci_dev *pdev = dev_priv->drm.pdev; u64 magic; u16 version_major; + void __iomem *shared_area; BUILD_BUG_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE); - magic = __raw_uncore_read64(uncore, vgtif_reg(magic)); - if (magic != VGT_MAGIC) + /* + * This is called before we setup the main MMIO BAR mappings used via + * the uncore structure, so we need to access the BAR directly. Since + * we do not support VGT on older gens, return early so we don't have + * to consider differently numbered or sized MMIO bars + */ + if (INTEL_GEN(dev_priv) < 6) + return; + + shared_area = pci_iomap_range(pdev, 0, VGT_PVINFO_PAGE, VGT_PVINFO_SIZE); + if (!shared_area) { + DRM_ERROR("failed to map MMIO bar to check for VGT\n"); return; + } + + magic = readq(shared_area + vgtif_offset(magic)); + if (magic != VGT_MAGIC) + goto out; - version_major = __raw_uncore_read16(uncore, vgtif_reg(version_major)); + version_major = readw(shared_area + vgtif_offset(version_major)); if (version_major < VGT_VERSION_MAJOR) { DRM_INFO("VGT interface version mismatch!\n"); - return; + goto out; } - dev_priv->vgpu.caps = __raw_uncore_read32(uncore, vgtif_reg(vgt_caps)); + dev_priv->vgpu.caps = readl(shared_area + vgtif_offset(vgt_caps)); dev_priv->vgpu.active = true; DRM_INFO("Virtual GPU for Intel GVT-g detected.\n"); + +out: + pci_iounmap(pdev, shared_area); } bool intel_vgpu_has_full_ppgtt(struct drm_i915_private *dev_priv) @@ -112,22 +131,22 @@ static void vgt_deballoon_space(struct i915_ggtt *ggtt, /** * intel_vgt_deballoon - deballoon reserved graphics address trunks - * @dev_priv: i915 device private data + * @ggtt: the global GGTT from which we reserved earlier * * This function is called to deallocate the ballooned-out graphic memory, when * driver is unloaded or when ballooning fails. */ -void intel_vgt_deballoon(struct drm_i915_private *dev_priv) +void intel_vgt_deballoon(struct i915_ggtt *ggtt) { int i; - if (!intel_vgpu_active(dev_priv)) + if (!intel_vgpu_active(ggtt->vm.i915)) return; DRM_DEBUG("VGT deballoon.\n"); for (i = 0; i < 4; i++) - vgt_deballoon_space(&dev_priv->ggtt, &bl_info.space[i]); + vgt_deballoon_space(ggtt, &bl_info.space[i]); } static int vgt_balloon_space(struct i915_ggtt *ggtt, @@ -153,7 +172,7 @@ static int vgt_balloon_space(struct i915_ggtt *ggtt, /** * intel_vgt_balloon - balloon out reserved graphics address trunks - * @dev_priv: i915 device private data + * @ggtt: the global GGTT from which to reserve * * This function is called at the initialization stage, to balloon out the * graphic address space allocated to other vGPUs, by marking these spaces as @@ -195,22 +214,26 @@ static int vgt_balloon_space(struct i915_ggtt *ggtt, * Returns: * zero on success, non-zero if configuration invalid or ballooning failed */ -int intel_vgt_balloon(struct drm_i915_private *dev_priv) +int intel_vgt_balloon(struct i915_ggtt *ggtt) { - struct i915_ggtt *ggtt = &dev_priv->ggtt; + struct intel_uncore *uncore = &ggtt->vm.i915->uncore; unsigned long ggtt_end = ggtt->vm.total; unsigned long mappable_base, mappable_size, mappable_end; unsigned long unmappable_base, unmappable_size, unmappable_end; int ret; - if (!intel_vgpu_active(dev_priv)) + if (!intel_vgpu_active(ggtt->vm.i915)) return 0; - mappable_base = I915_READ(vgtif_reg(avail_rs.mappable_gmadr.base)); - mappable_size = I915_READ(vgtif_reg(avail_rs.mappable_gmadr.size)); - unmappable_base = I915_READ(vgtif_reg(avail_rs.nonmappable_gmadr.base)); - unmappable_size = I915_READ(vgtif_reg(avail_rs.nonmappable_gmadr.size)); + mappable_base = + intel_uncore_read(uncore, vgtif_reg(avail_rs.mappable_gmadr.base)); + mappable_size = + intel_uncore_read(uncore, vgtif_reg(avail_rs.mappable_gmadr.size)); + unmappable_base = + intel_uncore_read(uncore, vgtif_reg(avail_rs.nonmappable_gmadr.base)); + unmappable_size = + intel_uncore_read(uncore, vgtif_reg(avail_rs.nonmappable_gmadr.size)); mappable_end = mappable_base + mappable_size; unmappable_end = unmappable_base + unmappable_size; diff --git a/drivers/gpu/drm/i915/i915_vgpu.h b/drivers/gpu/drm/i915/i915_vgpu.h index ebe1b7bced98..8b3663dad193 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.h +++ b/drivers/gpu/drm/i915/i915_vgpu.h @@ -24,9 +24,10 @@ #ifndef _I915_VGPU_H_ #define _I915_VGPU_H_ +#include "i915_drv.h" #include "i915_pvinfo.h" -void i915_check_vgpu(struct drm_i915_private *dev_priv); +void i915_detect_vgpu(struct drm_i915_private *dev_priv); bool intel_vgpu_has_full_ppgtt(struct drm_i915_private *dev_priv); @@ -42,7 +43,7 @@ intel_vgpu_has_huge_gtt(struct drm_i915_private *dev_priv) return dev_priv->vgpu.caps & VGT_CAPS_HUGE_GTT; } -int intel_vgt_balloon(struct drm_i915_private *dev_priv); -void intel_vgt_deballoon(struct drm_i915_private *dev_priv); +int intel_vgt_balloon(struct i915_ggtt *ggtt); +void intel_vgt_deballoon(struct i915_ggtt *ggtt); #endif /* _I915_VGPU_H_ */ diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index a57729be8312..eb16a1a93bbc 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -22,11 +22,13 @@ * */ +#include <linux/sched/mm.h> #include <drm/drm_gem.h> #include "display/intel_frontbuffer.h" #include "gt/intel_engine.h" +#include "gt/intel_gt.h" #include "i915_drv.h" #include "i915_globals.h" @@ -77,43 +79,20 @@ static void vma_print_allocator(struct i915_vma *vma, const char *reason) #endif -static void obj_bump_mru(struct drm_i915_gem_object *obj) +static inline struct i915_vma *active_to_vma(struct i915_active *ref) { - struct drm_i915_private *i915 = to_i915(obj->base.dev); - unsigned long flags; - - spin_lock_irqsave(&i915->mm.obj_lock, flags); - list_move_tail(&obj->mm.link, &i915->mm.shrink_list); - spin_unlock_irqrestore(&i915->mm.obj_lock, flags); + return container_of(ref, typeof(struct i915_vma), active); +} - obj->mm.dirty = true; /* be paranoid */ +static int __i915_vma_active(struct i915_active *ref) +{ + i915_vma_get(active_to_vma(ref)); + return 0; } static void __i915_vma_retire(struct i915_active *ref) { - struct i915_vma *vma = container_of(ref, typeof(*vma), active); - struct drm_i915_gem_object *obj = vma->obj; - - GEM_BUG_ON(!i915_gem_object_is_active(obj)); - if (--obj->active_count) - return; - - /* Prune the shared fence arrays iff completely idle (inc. external) */ - if (reservation_object_trylock(obj->base.resv)) { - if (reservation_object_test_signaled_rcu(obj->base.resv, true)) - reservation_object_add_excl_fence(obj->base.resv, NULL); - reservation_object_unlock(obj->base.resv); - } - - /* - * Bump our place on the bound list to keep it roughly in LRU order - * so that we don't steal from recently used but inactive objects - * (unless we are forced to ofc!) - */ - if (i915_gem_object_is_shrinkable(obj)) - obj_bump_mru(obj); - - i915_gem_object_put(obj); /* and drop the active reference */ + i915_vma_put(active_to_vma(ref)); } static struct i915_vma * @@ -125,7 +104,7 @@ vma_create(struct drm_i915_gem_object *obj, struct rb_node *rb, **p; /* The aliasing_ppgtt should never be used directly! */ - GEM_BUG_ON(vm == &vm->i915->mm.aliasing_ppgtt->vm); + GEM_BUG_ON(vm == &vm->i915->ggtt.alias->vm); vma = i915_vma_alloc(); if (vma == NULL) @@ -138,9 +117,17 @@ vma_create(struct drm_i915_gem_object *obj, vma->size = obj->base.size; vma->display_alignment = I915_GTT_MIN_ALIGNMENT; - i915_active_init(vm->i915, &vma->active, __i915_vma_retire); + i915_active_init(vm->i915, &vma->active, + __i915_vma_active, __i915_vma_retire); INIT_ACTIVE_REQUEST(&vma->last_fence); + /* Declare ourselves safe for use inside shrinkers */ + if (IS_ENABLED(CONFIG_LOCKDEP)) { + fs_reclaim_acquire(GFP_KERNEL); + might_lock(&vma->active.mutex); + fs_reclaim_release(GFP_KERNEL); + } + INIT_LIST_HEAD(&vma->closed_link); if (view && view->type != I915_GGTT_VIEW_NORMAL) { @@ -408,7 +395,7 @@ void i915_vma_flush_writes(struct i915_vma *vma) if (!i915_vma_has_ggtt_write(vma)) return; - i915_gem_flush_ggtt_writes(vma->vm->i915); + intel_gt_flush_ggtt_writes(vma->vm->gt); i915_vma_unset_ggtt_write(vma); } @@ -921,6 +908,7 @@ int i915_vma_move_to_active(struct i915_vma *vma, unsigned int flags) { struct drm_i915_gem_object *obj = vma->obj; + int err; assert_vma_held(vma); assert_object_held(obj); @@ -934,17 +922,9 @@ int i915_vma_move_to_active(struct i915_vma *vma, * add the active reference first and queue for it to be dropped * *last*. */ - if (!vma->active.count && !obj->active_count++) - i915_gem_object_get(obj); /* once more for the active ref */ - - if (unlikely(i915_active_ref(&vma->active, rq->fence.context, rq))) { - if (!vma->active.count && !--obj->active_count) - i915_gem_object_put(obj); - return -ENOMEM; - } - - GEM_BUG_ON(!i915_vma_is_active(vma)); - GEM_BUG_ON(!obj->active_count); + err = i915_active_ref(&vma->active, rq->fence.context, rq); + if (unlikely(err)) + return err; obj->write_domain = 0; if (flags & EXEC_OBJECT_WRITE) { @@ -956,11 +936,14 @@ int i915_vma_move_to_active(struct i915_vma *vma, obj->read_domains = 0; } obj->read_domains |= I915_GEM_GPU_DOMAINS; + obj->mm.dirty = true; if (flags & EXEC_OBJECT_NEEDS_FENCE) __i915_active_request_set(&vma->last_fence, rq); export_fence(vma, rq, flags); + + GEM_BUG_ON(!i915_vma_is_active(vma)); return 0; } diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index 7135d8dc32a7..f99c9fd497b2 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -58,6 +58,7 @@ static const char * const platform_names[] = { PLATFORM_NAME(CANNONLAKE), PLATFORM_NAME(ICELAKE), PLATFORM_NAME(ELKHARTLAKE), + PLATFORM_NAME(TIGERLAKE), }; #undef PLATFORM_NAME @@ -929,35 +930,28 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) } } else if (HAS_DISPLAY(dev_priv) && INTEL_GEN(dev_priv) >= 9) { u32 dfsm = I915_READ(SKL_DFSM); - u8 disabled_mask = 0; - bool invalid; - int num_bits; + u8 enabled_mask = BIT(info->num_pipes) - 1; if (dfsm & SKL_DFSM_PIPE_A_DISABLE) - disabled_mask |= BIT(PIPE_A); + enabled_mask &= ~BIT(PIPE_A); if (dfsm & SKL_DFSM_PIPE_B_DISABLE) - disabled_mask |= BIT(PIPE_B); + enabled_mask &= ~BIT(PIPE_B); if (dfsm & SKL_DFSM_PIPE_C_DISABLE) - disabled_mask |= BIT(PIPE_C); - - num_bits = hweight8(disabled_mask); - - switch (disabled_mask) { - case BIT(PIPE_A): - case BIT(PIPE_B): - case BIT(PIPE_A) | BIT(PIPE_B): - case BIT(PIPE_A) | BIT(PIPE_C): - invalid = true; - break; - default: - invalid = false; - } + enabled_mask &= ~BIT(PIPE_C); + if (INTEL_GEN(dev_priv) >= 12 && + (dfsm & TGL_DFSM_PIPE_D_DISABLE)) + enabled_mask &= ~BIT(PIPE_D); - if (num_bits > info->num_pipes || invalid) - DRM_ERROR("invalid pipe fuse configuration: 0x%x\n", - disabled_mask); + /* + * At least one pipe should be enabled and if there are + * disabled pipes, they should be the last ones, with no holes + * in the mask. + */ + if (enabled_mask == 0 || !is_power_of_2(enabled_mask + 1)) + DRM_ERROR("invalid pipe fuse configuration: enabled_mask=0x%x\n", + enabled_mask); else - info->num_pipes -= num_bits; + info->num_pipes = hweight8(enabled_mask); } /* Initialize slice/subslice/EU info */ diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h index ddafc819bf30..4f58e8d71b67 100644 --- a/drivers/gpu/drm/i915/intel_device_info.h +++ b/drivers/gpu/drm/i915/intel_device_info.h @@ -78,6 +78,8 @@ enum intel_platform { /* gen11 */ INTEL_ICELAKE, INTEL_ELKHARTLAKE, + /* gen12 */ + INTEL_TIGERLAKE, INTEL_MAX_PLATFORMS }; @@ -110,7 +112,7 @@ enum intel_ppgtt_type { func(gpu_reset_clobbers_display); \ func(has_reset_engine); \ func(has_fpga_dbg); \ - func(has_guc); \ + func(has_gt_uc); \ func(has_l3_dpf); \ func(has_llc); \ func(has_logical_ring_contexts); \ @@ -136,6 +138,7 @@ enum intel_ppgtt_type { func(has_gmch); \ func(has_hotplug); \ func(has_ipc); \ + func(has_modular_fia); \ func(has_overlay); \ func(has_psr); \ func(overlay_needs_physical); \ diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 1d58f7ec5d84..c4016164c34e 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -101,20 +101,30 @@ struct intel_fbdev { struct mutex hpd_lock; }; +enum intel_hotplug_state { + INTEL_HOTPLUG_UNCHANGED, + INTEL_HOTPLUG_CHANGED, + INTEL_HOTPLUG_RETRY, +}; + struct intel_encoder { struct drm_encoder base; enum intel_output_type type; enum port port; unsigned int cloneable; - bool (*hotplug)(struct intel_encoder *encoder, - struct intel_connector *connector); + enum intel_hotplug_state (*hotplug)(struct intel_encoder *encoder, + struct intel_connector *connector, + bool irq_received); enum intel_output_type (*compute_output_type)(struct intel_encoder *, struct intel_crtc_state *, struct drm_connector_state *); int (*compute_config)(struct intel_encoder *, struct intel_crtc_state *, struct drm_connector_state *); + void (*update_prepare)(struct intel_atomic_state *, + struct intel_encoder *, + struct intel_crtc *); void (*pre_pll_enable)(struct intel_encoder *, const struct intel_crtc_state *, const struct drm_connector_state *); @@ -124,6 +134,9 @@ struct intel_encoder { void (*enable)(struct intel_encoder *, const struct intel_crtc_state *, const struct drm_connector_state *); + void (*update_complete)(struct intel_atomic_state *, + struct intel_encoder *, + struct intel_crtc *); void (*disable)(struct intel_encoder *, const struct intel_crtc_state *, const struct drm_connector_state *); @@ -812,6 +825,15 @@ struct intel_crtc_state { /* Actual register state of the dpll, for shared dpll cross-checking. */ struct intel_dpll_hw_state dpll_hw_state; + /* + * ICL reserved DPLLs for the CRTC/port. The active PLL is selected by + * setting shared_dpll and dpll_hw_state to one of these reserved ones. + */ + struct icl_port_dpll { + struct intel_shared_dpll *pll; + struct intel_dpll_hw_state hw_state; + } icl_port_dplls[ICL_PORT_DPLL_COUNT]; + /* DSI PLL registers */ struct { u32 ctrl, div; @@ -1224,8 +1246,13 @@ struct intel_digital_port { /* Used for DP and ICL+ TypeC/DP and TypeC/HDMI ports. */ enum aux_ch aux_ch; enum intel_display_power_domain ddi_io_power_domain; + struct mutex tc_lock; /* protects the TypeC port mode */ + intel_wakeref_t tc_lock_wakeref; + int tc_link_refcount; bool tc_legacy_port:1; - enum tc_port_type tc_type; + char tc_port_name[8]; + enum tc_port_mode tc_mode; + enum phy_fia tc_phy_fia; void (*write_infoframe)(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, @@ -1473,8 +1500,8 @@ void intel_pps_unlock_regs_wa(struct drm_i915_private *dev_priv); void intel_encoder_destroy(struct drm_encoder *encoder); struct drm_display_mode * intel_encoder_current_mode(struct intel_encoder *encoder); -bool intel_port_is_combophy(struct drm_i915_private *dev_priv, enum port port); -bool intel_port_is_tc(struct drm_i915_private *dev_priv, enum port port); +bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy); +bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy); enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, enum port port); int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/i915/intel_guc_fw.c b/drivers/gpu/drm/i915/intel_guc_fw.c deleted file mode 100644 index 72cdafd9636a..000000000000 --- a/drivers/gpu/drm/i915/intel_guc_fw.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * Copyright © 2014 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - * Authors: - * Vinit Azad <vinit.azad@intel.com> - * Ben Widawsky <ben@bwidawsk.net> - * Dave Gordon <david.s.gordon@intel.com> - * Alex Dai <yu.dai@intel.com> - */ - -#include "intel_guc_fw.h" -#include "i915_drv.h" - -#define __MAKE_GUC_FW_PATH(KEY) \ - "i915/" \ - __stringify(KEY##_GUC_FW_PREFIX) "_guc_" \ - __stringify(KEY##_GUC_FW_MAJOR) "." \ - __stringify(KEY##_GUC_FW_MINOR) "." \ - __stringify(KEY##_GUC_FW_PATCH) ".bin" - -#define SKL_GUC_FW_PREFIX skl -#define SKL_GUC_FW_MAJOR 32 -#define SKL_GUC_FW_MINOR 0 -#define SKL_GUC_FW_PATCH 3 -#define SKL_GUC_FIRMWARE_PATH __MAKE_GUC_FW_PATH(SKL) -MODULE_FIRMWARE(SKL_GUC_FIRMWARE_PATH); - -#define BXT_GUC_FW_PREFIX bxt -#define BXT_GUC_FW_MAJOR 32 -#define BXT_GUC_FW_MINOR 0 -#define BXT_GUC_FW_PATCH 3 -#define BXT_GUC_FIRMWARE_PATH __MAKE_GUC_FW_PATH(BXT) -MODULE_FIRMWARE(BXT_GUC_FIRMWARE_PATH); - -#define KBL_GUC_FW_PREFIX kbl -#define KBL_GUC_FW_MAJOR 32 -#define KBL_GUC_FW_MINOR 0 -#define KBL_GUC_FW_PATCH 3 -#define KBL_GUC_FIRMWARE_PATH __MAKE_GUC_FW_PATH(KBL) -MODULE_FIRMWARE(KBL_GUC_FIRMWARE_PATH); - -#define GLK_GUC_FW_PREFIX glk -#define GLK_GUC_FW_MAJOR 32 -#define GLK_GUC_FW_MINOR 0 -#define GLK_GUC_FW_PATCH 3 -#define GLK_GUC_FIRMWARE_PATH __MAKE_GUC_FW_PATH(GLK) -MODULE_FIRMWARE(GLK_GUC_FIRMWARE_PATH); - -#define ICL_GUC_FW_PREFIX icl -#define ICL_GUC_FW_MAJOR 32 -#define ICL_GUC_FW_MINOR 0 -#define ICL_GUC_FW_PATCH 3 -#define ICL_GUC_FIRMWARE_PATH __MAKE_GUC_FW_PATH(ICL) -MODULE_FIRMWARE(ICL_GUC_FIRMWARE_PATH); - -static void guc_fw_select(struct intel_uc_fw *guc_fw) -{ - struct intel_guc *guc = container_of(guc_fw, struct intel_guc, fw); - struct drm_i915_private *i915 = guc_to_i915(guc); - - GEM_BUG_ON(guc_fw->type != INTEL_UC_FW_TYPE_GUC); - - if (!HAS_GUC(i915)) - return; - - if (i915_modparams.guc_firmware_path) { - guc_fw->path = i915_modparams.guc_firmware_path; - guc_fw->major_ver_wanted = 0; - guc_fw->minor_ver_wanted = 0; - } else if (IS_ICELAKE(i915)) { - guc_fw->path = ICL_GUC_FIRMWARE_PATH; - guc_fw->major_ver_wanted = ICL_GUC_FW_MAJOR; - guc_fw->minor_ver_wanted = ICL_GUC_FW_MINOR; - } else if (IS_GEMINILAKE(i915)) { - guc_fw->path = GLK_GUC_FIRMWARE_PATH; - guc_fw->major_ver_wanted = GLK_GUC_FW_MAJOR; - guc_fw->minor_ver_wanted = GLK_GUC_FW_MINOR; - } else if (IS_KABYLAKE(i915) || IS_COFFEELAKE(i915)) { - guc_fw->path = KBL_GUC_FIRMWARE_PATH; - guc_fw->major_ver_wanted = KBL_GUC_FW_MAJOR; - guc_fw->minor_ver_wanted = KBL_GUC_FW_MINOR; - } else if (IS_BROXTON(i915)) { - guc_fw->path = BXT_GUC_FIRMWARE_PATH; - guc_fw->major_ver_wanted = BXT_GUC_FW_MAJOR; - guc_fw->minor_ver_wanted = BXT_GUC_FW_MINOR; - } else if (IS_SKYLAKE(i915)) { - guc_fw->path = SKL_GUC_FIRMWARE_PATH; - guc_fw->major_ver_wanted = SKL_GUC_FW_MAJOR; - guc_fw->minor_ver_wanted = SKL_GUC_FW_MINOR; - } -} - -/** - * intel_guc_fw_init_early() - initializes GuC firmware struct - * @guc: intel_guc struct - * - * On platforms with GuC selects firmware for uploading - */ -void intel_guc_fw_init_early(struct intel_guc *guc) -{ - struct intel_uc_fw *guc_fw = &guc->fw; - - intel_uc_fw_init_early(guc_fw, INTEL_UC_FW_TYPE_GUC); - guc_fw_select(guc_fw); -} - -static void guc_prepare_xfer(struct intel_guc *guc) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - - /* Must program this register before loading the ucode with DMA */ - I915_WRITE(GUC_SHIM_CONTROL, GUC_DISABLE_SRAM_INIT_TO_ZEROES | - GUC_ENABLE_READ_CACHE_LOGIC | - GUC_ENABLE_MIA_CACHING | - GUC_ENABLE_READ_CACHE_FOR_SRAM_DATA | - GUC_ENABLE_READ_CACHE_FOR_WOPCM_DATA | - GUC_ENABLE_MIA_CLOCK_GATING); - - if (IS_GEN9_LP(dev_priv)) - I915_WRITE(GEN9LP_GT_PM_CONFIG, GT_DOORBELL_ENABLE); - else - I915_WRITE(GEN9_GT_PM_CONFIG, GT_DOORBELL_ENABLE); - - if (IS_GEN(dev_priv, 9)) { - /* DOP Clock Gating Enable for GuC clocks */ - I915_WRITE(GEN7_MISCCPCTL, (GEN8_DOP_CLOCK_GATE_GUC_ENABLE | - I915_READ(GEN7_MISCCPCTL))); - - /* allows for 5us (in 10ns units) before GT can go to RC6 */ - I915_WRITE(GUC_ARAT_C6DIS, 0x1FF); - } -} - -/* Copy RSA signature from the fw image to HW for verification */ -static void guc_xfer_rsa(struct intel_guc *guc) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - struct intel_uc_fw *fw = &guc->fw; - struct sg_table *pages = fw->obj->mm.pages; - u32 rsa[UOS_RSA_SCRATCH_COUNT]; - int i; - - sg_pcopy_to_buffer(pages->sgl, pages->nents, - rsa, sizeof(rsa), fw->rsa_offset); - - for (i = 0; i < UOS_RSA_SCRATCH_COUNT; i++) - I915_WRITE(UOS_RSA_SCRATCH(i), rsa[i]); -} - -static bool guc_xfer_completed(struct intel_guc *guc, u32 *status) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - - /* Did we complete the xfer? */ - *status = I915_READ(DMA_CTRL); - return !(*status & START_DMA); -} - -/* - * Read the GuC status register (GUC_STATUS) and store it in the - * specified location; then return a boolean indicating whether - * the value matches either of two values representing completion - * of the GuC boot process. - * - * This is used for polling the GuC status in a wait_for() - * loop below. - */ -static inline bool guc_ready(struct intel_guc *guc, u32 *status) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - u32 val = I915_READ(GUC_STATUS); - u32 uk_val = val & GS_UKERNEL_MASK; - - *status = val; - return (uk_val == GS_UKERNEL_READY) || - ((val & GS_MIA_CORE_STATE) && (uk_val == GS_UKERNEL_LAPIC_DONE)); -} - -static int guc_wait_ucode(struct intel_guc *guc) -{ - u32 status; - int ret; - - /* - * Wait for the GuC to start up. - * NB: Docs recommend not using the interrupt for completion. - * Measurements indicate this should take no more than 20ms, so a - * timeout here indicates that the GuC has failed and is unusable. - * (Higher levels of the driver may decide to reset the GuC and - * attempt the ucode load again if this happens.) - */ - ret = wait_for(guc_ready(guc, &status), 100); - DRM_DEBUG_DRIVER("GuC status %#x\n", status); - - if ((status & GS_BOOTROM_MASK) == GS_BOOTROM_RSA_FAILED) { - DRM_ERROR("GuC firmware signature verification failed\n"); - ret = -ENOEXEC; - } - - if (ret == 0 && !guc_xfer_completed(guc, &status)) { - DRM_ERROR("GuC is ready, but the xfer %08x is incomplete\n", - status); - ret = -ENXIO; - } - - return ret; -} - -/* - * Transfer the firmware image to RAM for execution by the microcontroller. - * - * Architecturally, the DMA engine is bidirectional, and can potentially even - * transfer between GTT locations. This functionality is left out of the API - * for now as there is no need for it. - */ -static int guc_xfer_ucode(struct intel_guc *guc) -{ - struct drm_i915_private *dev_priv = guc_to_i915(guc); - struct intel_uc_fw *guc_fw = &guc->fw; - unsigned long offset; - - /* - * The header plus uCode will be copied to WOPCM via DMA, excluding any - * other components - */ - I915_WRITE(DMA_COPY_SIZE, guc_fw->header_size + guc_fw->ucode_size); - - /* Set the source address for the new blob */ - offset = intel_uc_fw_ggtt_offset(guc_fw) + guc_fw->header_offset; - I915_WRITE(DMA_ADDR_0_LOW, lower_32_bits(offset)); - I915_WRITE(DMA_ADDR_0_HIGH, upper_32_bits(offset) & 0xFFFF); - - /* - * Set the DMA destination. Current uCode expects the code to be - * loaded at 8k; locations below this are used for the stack. - */ - I915_WRITE(DMA_ADDR_1_LOW, 0x2000); - I915_WRITE(DMA_ADDR_1_HIGH, DMA_ADDRESS_SPACE_WOPCM); - - /* Finally start the DMA */ - I915_WRITE(DMA_CTRL, _MASKED_BIT_ENABLE(UOS_MOVE | START_DMA)); - - return guc_wait_ucode(guc); -} -/* - * Load the GuC firmware blob into the MinuteIA. - */ -static int guc_fw_xfer(struct intel_uc_fw *guc_fw) -{ - struct intel_guc *guc = container_of(guc_fw, struct intel_guc, fw); - struct drm_i915_private *dev_priv = guc_to_i915(guc); - int ret; - - GEM_BUG_ON(guc_fw->type != INTEL_UC_FW_TYPE_GUC); - - intel_uncore_forcewake_get(&dev_priv->uncore, FORCEWAKE_ALL); - - guc_prepare_xfer(guc); - - /* - * Note that GuC needs the CSS header plus uKernel code to be copied - * by the DMA engine in one operation, whereas the RSA signature is - * loaded via MMIO. - */ - guc_xfer_rsa(guc); - - ret = guc_xfer_ucode(guc); - - intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); - - return ret; -} - -/** - * intel_guc_fw_upload() - load GuC uCode to device - * @guc: intel_guc structure - * - * Called from intel_uc_init_hw() during driver load, resume from sleep and - * after a GPU reset. - * - * The firmware image should have already been fetched into memory, so only - * check that fetch succeeded, and then transfer the image to the h/w. - * - * Return: non-zero code on error - */ -int intel_guc_fw_upload(struct intel_guc *guc) -{ - return intel_uc_fw_upload(&guc->fw, guc_fw_xfer); -} diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c index 1d7d26e4cf14..c66b2d8a6219 100644 --- a/drivers/gpu/drm/i915/intel_gvt.c +++ b/drivers/gpu/drm/i915/intel_gvt.c @@ -95,7 +95,7 @@ int intel_gvt_init(struct drm_i915_private *dev_priv) { int ret; - if (i915_inject_load_failure()) + if (i915_inject_probe_failure()) return -ENODEV; if (!i915_modparams.enable_gvt) { @@ -122,13 +122,14 @@ bail: } /** - * intel_gvt_cleanup - cleanup GVT components when i915 driver is unloading + * intel_gvt_driver_remove - cleanup GVT components when i915 driver is + * unbinding * @dev_priv: drm i915 private * * * This function is called at the i915 driver unloading stage, to shutdown * GVT components and release the related resources. */ -void intel_gvt_cleanup(struct drm_i915_private *dev_priv) +void intel_gvt_driver_remove(struct drm_i915_private *dev_priv) { if (!intel_gvt_active(dev_priv)) return; diff --git a/drivers/gpu/drm/i915/intel_gvt.h b/drivers/gpu/drm/i915/intel_gvt.h index 61b246470282..502fad8a8652 100644 --- a/drivers/gpu/drm/i915/intel_gvt.h +++ b/drivers/gpu/drm/i915/intel_gvt.h @@ -24,11 +24,11 @@ #ifndef _INTEL_GVT_H_ #define _INTEL_GVT_H_ -struct intel_gvt; +struct drm_i915_private; #ifdef CONFIG_DRM_I915_GVT int intel_gvt_init(struct drm_i915_private *dev_priv); -void intel_gvt_cleanup(struct drm_i915_private *dev_priv); +void intel_gvt_driver_remove(struct drm_i915_private *dev_priv); int intel_gvt_init_device(struct drm_i915_private *dev_priv); void intel_gvt_clean_device(struct drm_i915_private *dev_priv); int intel_gvt_init_host(void); @@ -38,7 +38,8 @@ static inline int intel_gvt_init(struct drm_i915_private *dev_priv) { return 0; } -static inline void intel_gvt_cleanup(struct drm_i915_private *dev_priv) + +static inline void intel_gvt_driver_remove(struct drm_i915_private *dev_priv) { } diff --git a/drivers/gpu/drm/i915/intel_huc_fw.c b/drivers/gpu/drm/i915/intel_huc_fw.c deleted file mode 100644 index 05cbf8338f53..000000000000 --- a/drivers/gpu/drm/i915/intel_huc_fw.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - * SPDX-License-Identifier: MIT - * - * Copyright © 2014-2018 Intel Corporation - */ - -#include "intel_huc_fw.h" -#include "i915_drv.h" - -/** - * DOC: HuC Firmware - * - * Motivation: - * GEN9 introduces a new dedicated firmware for usage in media HEVC (High - * Efficiency Video Coding) operations. Userspace can use the firmware - * capabilities by adding HuC specific commands to batch buffers. - * - * Implementation: - * The same firmware loader is used as the GuC. However, the actual - * loading to HW is deferred until GEM initialization is done. - * - * Note that HuC firmware loading must be done before GuC loading. - */ - -#define BXT_HUC_FW_MAJOR 01 -#define BXT_HUC_FW_MINOR 8 -#define BXT_BLD_NUM 2893 - -#define SKL_HUC_FW_MAJOR 01 -#define SKL_HUC_FW_MINOR 07 -#define SKL_BLD_NUM 1398 - -#define KBL_HUC_FW_MAJOR 02 -#define KBL_HUC_FW_MINOR 00 -#define KBL_BLD_NUM 1810 - -#define GLK_HUC_FW_MAJOR 03 -#define GLK_HUC_FW_MINOR 01 -#define GLK_BLD_NUM 2893 - -#define ICL_HUC_FW_MAJOR 8 -#define ICL_HUC_FW_MINOR 4 -#define ICL_BLD_NUM 3238 - -#define HUC_FW_PATH(platform, major, minor, bld_num) \ - "i915/" __stringify(platform) "_huc_ver" __stringify(major) "_" \ - __stringify(minor) "_" __stringify(bld_num) ".bin" - -#define I915_SKL_HUC_UCODE HUC_FW_PATH(skl, SKL_HUC_FW_MAJOR, \ - SKL_HUC_FW_MINOR, SKL_BLD_NUM) -MODULE_FIRMWARE(I915_SKL_HUC_UCODE); - -#define I915_BXT_HUC_UCODE HUC_FW_PATH(bxt, BXT_HUC_FW_MAJOR, \ - BXT_HUC_FW_MINOR, BXT_BLD_NUM) -MODULE_FIRMWARE(I915_BXT_HUC_UCODE); - -#define I915_KBL_HUC_UCODE HUC_FW_PATH(kbl, KBL_HUC_FW_MAJOR, \ - KBL_HUC_FW_MINOR, KBL_BLD_NUM) -MODULE_FIRMWARE(I915_KBL_HUC_UCODE); - -#define I915_GLK_HUC_UCODE HUC_FW_PATH(glk, GLK_HUC_FW_MAJOR, \ - GLK_HUC_FW_MINOR, GLK_BLD_NUM) -MODULE_FIRMWARE(I915_GLK_HUC_UCODE); - -#define I915_ICL_HUC_UCODE HUC_FW_PATH(icl, ICL_HUC_FW_MAJOR, \ - ICL_HUC_FW_MINOR, ICL_BLD_NUM) -MODULE_FIRMWARE(I915_ICL_HUC_UCODE); - -static void huc_fw_select(struct intel_uc_fw *huc_fw) -{ - struct intel_huc *huc = container_of(huc_fw, struct intel_huc, fw); - struct drm_i915_private *dev_priv = huc_to_i915(huc); - - GEM_BUG_ON(huc_fw->type != INTEL_UC_FW_TYPE_HUC); - - if (!HAS_HUC(dev_priv)) - return; - - if (i915_modparams.huc_firmware_path) { - huc_fw->path = i915_modparams.huc_firmware_path; - huc_fw->major_ver_wanted = 0; - huc_fw->minor_ver_wanted = 0; - } else if (IS_SKYLAKE(dev_priv)) { - huc_fw->path = I915_SKL_HUC_UCODE; - huc_fw->major_ver_wanted = SKL_HUC_FW_MAJOR; - huc_fw->minor_ver_wanted = SKL_HUC_FW_MINOR; - } else if (IS_BROXTON(dev_priv)) { - huc_fw->path = I915_BXT_HUC_UCODE; - huc_fw->major_ver_wanted = BXT_HUC_FW_MAJOR; - huc_fw->minor_ver_wanted = BXT_HUC_FW_MINOR; - } else if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { - huc_fw->path = I915_KBL_HUC_UCODE; - huc_fw->major_ver_wanted = KBL_HUC_FW_MAJOR; - huc_fw->minor_ver_wanted = KBL_HUC_FW_MINOR; - } else if (IS_GEMINILAKE(dev_priv)) { - huc_fw->path = I915_GLK_HUC_UCODE; - huc_fw->major_ver_wanted = GLK_HUC_FW_MAJOR; - huc_fw->minor_ver_wanted = GLK_HUC_FW_MINOR; - } else if (IS_ICELAKE(dev_priv)) { - huc_fw->path = I915_ICL_HUC_UCODE; - huc_fw->major_ver_wanted = ICL_HUC_FW_MAJOR; - huc_fw->minor_ver_wanted = ICL_HUC_FW_MINOR; - } -} - -/** - * intel_huc_fw_init_early() - initializes HuC firmware struct - * @huc: intel_huc struct - * - * On platforms with HuC selects firmware for uploading - */ -void intel_huc_fw_init_early(struct intel_huc *huc) -{ - struct intel_uc_fw *huc_fw = &huc->fw; - - intel_uc_fw_init_early(huc_fw, INTEL_UC_FW_TYPE_HUC); - huc_fw_select(huc_fw); -} - -static void huc_xfer_rsa(struct intel_huc *huc) -{ - struct intel_uc_fw *fw = &huc->fw; - struct sg_table *pages = fw->obj->mm.pages; - - /* - * HuC firmware image is outside GuC accessible range. - * Copy the RSA signature out of the image into - * the perma-pinned region set aside for it - */ - sg_pcopy_to_buffer(pages->sgl, pages->nents, - huc->rsa_data_vaddr, fw->rsa_size, - fw->rsa_offset); -} - -static int huc_xfer_ucode(struct intel_huc *huc) -{ - struct intel_uc_fw *huc_fw = &huc->fw; - struct drm_i915_private *dev_priv = huc_to_i915(huc); - struct intel_uncore *uncore = &dev_priv->uncore; - unsigned long offset = 0; - u32 size; - int ret; - - GEM_BUG_ON(huc_fw->type != INTEL_UC_FW_TYPE_HUC); - - intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL); - - /* Set the source address for the uCode */ - offset = intel_uc_fw_ggtt_offset(huc_fw) + - huc_fw->header_offset; - intel_uncore_write(uncore, DMA_ADDR_0_LOW, - lower_32_bits(offset)); - intel_uncore_write(uncore, DMA_ADDR_0_HIGH, - upper_32_bits(offset) & 0xFFFF); - - /* - * Hardware doesn't look at destination address for HuC. Set it to 0, - * but still program the correct address space. - */ - intel_uncore_write(uncore, DMA_ADDR_1_LOW, 0); - intel_uncore_write(uncore, DMA_ADDR_1_HIGH, DMA_ADDRESS_SPACE_WOPCM); - - size = huc_fw->header_size + huc_fw->ucode_size; - intel_uncore_write(uncore, DMA_COPY_SIZE, size); - - /* Start the DMA */ - intel_uncore_write(uncore, DMA_CTRL, - _MASKED_BIT_ENABLE(HUC_UKERNEL | START_DMA)); - - /* Wait for DMA to finish */ - ret = intel_wait_for_register_fw(uncore, DMA_CTRL, START_DMA, 0, 100); - - DRM_DEBUG_DRIVER("HuC DMA transfer wait over with ret %d\n", ret); - - /* Disable the bits once DMA is over */ - intel_uncore_write(uncore, DMA_CTRL, _MASKED_BIT_DISABLE(HUC_UKERNEL)); - - intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL); - - return ret; -} - -/** - * huc_fw_xfer() - DMA's the firmware - * @huc_fw: the firmware descriptor - * - * Transfer the firmware image to RAM for execution by the microcontroller. - * - * Return: 0 on success, non-zero on failure - */ -static int huc_fw_xfer(struct intel_uc_fw *huc_fw) -{ - struct intel_huc *huc = container_of(huc_fw, struct intel_huc, fw); - - huc_xfer_rsa(huc); - - return huc_xfer_ucode(huc); -} - -/** - * intel_huc_fw_upload() - load HuC uCode to device - * @huc: intel_huc structure - * - * Called from intel_uc_init_hw() during driver load, resume from sleep and - * after a GPU reset. Note that HuC must be loaded before GuC. - * - * The firmware image should have already been fetched into memory, so only - * check that fetch succeeded, and then transfer the image to the h/w. - * - * Return: non-zero code on error - */ -int intel_huc_fw_upload(struct intel_huc *huc) -{ - return intel_uc_fw_upload(&huc->fw, huc_fw_xfer); -} diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index d9a7a13ce32a..30399b245f07 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -1116,6 +1116,8 @@ static u16 g4x_compute_wm(const struct intel_crtc_state *crtc_state, if (!intel_wm_plane_visible(crtc_state, plane_state)) return 0; + cpp = plane_state->base.fb->format->cpp[0]; + /* * Not 100% sure which way ELK should go here as the * spec only says CL/CTG should assume 32bpp and BW @@ -1129,9 +1131,7 @@ static u16 g4x_compute_wm(const struct intel_crtc_state *crtc_state, */ if (IS_GM45(dev_priv) && plane->id == PLANE_PRIMARY && level != G4X_WM_LEVEL_NORMAL) - cpp = 4; - else - cpp = plane_state->base.fb->format->cpp[0]; + cpp = max(cpp, 4u); clock = adjusted_mode->crtc_clock; htotal = adjusted_mode->crtc_htotal; @@ -1198,8 +1198,8 @@ static bool g4x_raw_fbc_wm_set(struct intel_crtc_state *crtc_state, return dirty; } -static u32 ilk_compute_fbc_wm(const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate, +static u32 ilk_compute_fbc_wm(const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state, u32 pri_val); static bool g4x_raw_plane_wm_compute(struct intel_crtc_state *crtc_state, @@ -1566,13 +1566,13 @@ static void g4x_optimize_watermarks(struct intel_atomic_state *state, struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); - struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); if (!crtc_state->wm.need_postvbl_update) return; mutex_lock(&dev_priv->wm.wm_mutex); - intel_crtc->wm.active.g4x = crtc_state->wm.g4x.optimal; + crtc->wm.active.g4x = crtc_state->wm.g4x.optimal; g4x_program_watermarks(dev_priv); mutex_unlock(&dev_priv->wm.wm_mutex); } @@ -2185,13 +2185,13 @@ static void vlv_optimize_watermarks(struct intel_atomic_state *state, struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); - struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); if (!crtc_state->wm.need_postvbl_update) return; mutex_lock(&dev_priv->wm.wm_mutex); - intel_crtc->wm.active.vlv = crtc_state->wm.vlv.optimal; + crtc->wm.active.vlv = crtc_state->wm.vlv.optimal; vlv_program_watermarks(dev_priv); mutex_unlock(&dev_priv->wm.wm_mutex); } @@ -2493,8 +2493,8 @@ struct ilk_wm_maximums { * For both WM_PIPE and WM_LP. * mem_value must be in 0.1us units. */ -static u32 ilk_compute_pri_wm(const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate, +static u32 ilk_compute_pri_wm(const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state, u32 mem_value, bool is_lp) { u32 method1, method2; @@ -2503,19 +2503,19 @@ static u32 ilk_compute_pri_wm(const struct intel_crtc_state *cstate, if (mem_value == 0) return U32_MAX; - if (!intel_wm_plane_visible(cstate, pstate)) + if (!intel_wm_plane_visible(crtc_state, plane_state)) return 0; - cpp = pstate->base.fb->format->cpp[0]; + cpp = plane_state->base.fb->format->cpp[0]; - method1 = ilk_wm_method1(cstate->pixel_rate, cpp, mem_value); + method1 = ilk_wm_method1(crtc_state->pixel_rate, cpp, mem_value); if (!is_lp) return method1; - method2 = ilk_wm_method2(cstate->pixel_rate, - cstate->base.adjusted_mode.crtc_htotal, - drm_rect_width(&pstate->base.dst), + method2 = ilk_wm_method2(crtc_state->pixel_rate, + crtc_state->base.adjusted_mode.crtc_htotal, + drm_rect_width(&plane_state->base.dst), cpp, mem_value); return min(method1, method2); @@ -2525,8 +2525,8 @@ static u32 ilk_compute_pri_wm(const struct intel_crtc_state *cstate, * For both WM_PIPE and WM_LP. * mem_value must be in 0.1us units. */ -static u32 ilk_compute_spr_wm(const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate, +static u32 ilk_compute_spr_wm(const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state, u32 mem_value) { u32 method1, method2; @@ -2535,15 +2535,15 @@ static u32 ilk_compute_spr_wm(const struct intel_crtc_state *cstate, if (mem_value == 0) return U32_MAX; - if (!intel_wm_plane_visible(cstate, pstate)) + if (!intel_wm_plane_visible(crtc_state, plane_state)) return 0; - cpp = pstate->base.fb->format->cpp[0]; + cpp = plane_state->base.fb->format->cpp[0]; - method1 = ilk_wm_method1(cstate->pixel_rate, cpp, mem_value); - method2 = ilk_wm_method2(cstate->pixel_rate, - cstate->base.adjusted_mode.crtc_htotal, - drm_rect_width(&pstate->base.dst), + method1 = ilk_wm_method1(crtc_state->pixel_rate, cpp, mem_value); + method2 = ilk_wm_method2(crtc_state->pixel_rate, + crtc_state->base.adjusted_mode.crtc_htotal, + drm_rect_width(&plane_state->base.dst), cpp, mem_value); return min(method1, method2); } @@ -2552,8 +2552,8 @@ static u32 ilk_compute_spr_wm(const struct intel_crtc_state *cstate, * For both WM_PIPE and WM_LP. * mem_value must be in 0.1us units. */ -static u32 ilk_compute_cur_wm(const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate, +static u32 ilk_compute_cur_wm(const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state, u32 mem_value) { int cpp; @@ -2561,29 +2561,29 @@ static u32 ilk_compute_cur_wm(const struct intel_crtc_state *cstate, if (mem_value == 0) return U32_MAX; - if (!intel_wm_plane_visible(cstate, pstate)) + if (!intel_wm_plane_visible(crtc_state, plane_state)) return 0; - cpp = pstate->base.fb->format->cpp[0]; + cpp = plane_state->base.fb->format->cpp[0]; - return ilk_wm_method2(cstate->pixel_rate, - cstate->base.adjusted_mode.crtc_htotal, - pstate->base.crtc_w, cpp, mem_value); + return ilk_wm_method2(crtc_state->pixel_rate, + crtc_state->base.adjusted_mode.crtc_htotal, + plane_state->base.crtc_w, cpp, mem_value); } /* Only for WM_LP. */ -static u32 ilk_compute_fbc_wm(const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate, +static u32 ilk_compute_fbc_wm(const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state, u32 pri_val) { int cpp; - if (!intel_wm_plane_visible(cstate, pstate)) + if (!intel_wm_plane_visible(crtc_state, plane_state)) return 0; - cpp = pstate->base.fb->format->cpp[0]; + cpp = plane_state->base.fb->format->cpp[0]; - return ilk_wm_fbc(pri_val, drm_rect_width(&pstate->base.dst), cpp); + return ilk_wm_fbc(pri_val, drm_rect_width(&plane_state->base.dst), cpp); } static unsigned int @@ -2752,7 +2752,7 @@ static bool ilk_validate_wm_level(int level, static void ilk_compute_wm_level(const struct drm_i915_private *dev_priv, const struct intel_crtc *intel_crtc, int level, - struct intel_crtc_state *cstate, + struct intel_crtc_state *crtc_state, const struct intel_plane_state *pristate, const struct intel_plane_state *sprstate, const struct intel_plane_state *curstate, @@ -2770,30 +2770,30 @@ static void ilk_compute_wm_level(const struct drm_i915_private *dev_priv, } if (pristate) { - result->pri_val = ilk_compute_pri_wm(cstate, pristate, + result->pri_val = ilk_compute_pri_wm(crtc_state, pristate, pri_latency, level); - result->fbc_val = ilk_compute_fbc_wm(cstate, pristate, result->pri_val); + result->fbc_val = ilk_compute_fbc_wm(crtc_state, pristate, result->pri_val); } if (sprstate) - result->spr_val = ilk_compute_spr_wm(cstate, sprstate, spr_latency); + result->spr_val = ilk_compute_spr_wm(crtc_state, sprstate, spr_latency); if (curstate) - result->cur_val = ilk_compute_cur_wm(cstate, curstate, cur_latency); + result->cur_val = ilk_compute_cur_wm(crtc_state, curstate, cur_latency); result->enable = true; } static u32 -hsw_compute_linetime_wm(const struct intel_crtc_state *cstate) +hsw_compute_linetime_wm(const struct intel_crtc_state *crtc_state) { const struct intel_atomic_state *intel_state = - to_intel_atomic_state(cstate->base.state); + to_intel_atomic_state(crtc_state->base.state); const struct drm_display_mode *adjusted_mode = - &cstate->base.adjusted_mode; + &crtc_state->base.adjusted_mode; u32 linetime, ips_linetime; - if (!cstate->base.active) + if (!crtc_state->base.active) return 0; if (WARN_ON(adjusted_mode->crtc_clock == 0)) return 0; @@ -3101,10 +3101,10 @@ static bool ilk_validate_pipe_wm(const struct drm_i915_private *dev_priv, } /* Compute new watermarks for the pipe */ -static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) +static int ilk_compute_pipe_wm(struct intel_crtc_state *crtc_state) { - struct drm_atomic_state *state = cstate->base.state; - struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc); + struct drm_atomic_state *state = crtc_state->base.state; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); struct intel_pipe_wm *pipe_wm; struct drm_device *dev = state->dev; const struct drm_i915_private *dev_priv = to_i915(dev); @@ -3116,9 +3116,9 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) int level, max_level = ilk_wm_max_level(dev_priv), usable_level; struct ilk_wm_maximums max; - pipe_wm = &cstate->wm.ilk.optimal; + pipe_wm = &crtc_state->wm.ilk.optimal; - drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, &cstate->base) { + drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, &crtc_state->base) { const struct intel_plane_state *ps = to_intel_plane_state(plane_state); if (plane->type == DRM_PLANE_TYPE_PRIMARY) @@ -3129,7 +3129,7 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) curstate = ps; } - pipe_wm->pipe_enabled = cstate->base.active; + pipe_wm->pipe_enabled = crtc_state->base.active; if (sprstate) { pipe_wm->sprites_enabled = sprstate->base.visible; pipe_wm->sprites_scaled = sprstate->base.visible && @@ -3148,11 +3148,11 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) usable_level = 0; memset(&pipe_wm->wm, 0, sizeof(pipe_wm->wm)); - ilk_compute_wm_level(dev_priv, intel_crtc, 0, cstate, + ilk_compute_wm_level(dev_priv, intel_crtc, 0, crtc_state, pristate, sprstate, curstate, &pipe_wm->wm[0]); if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) - pipe_wm->linetime = hsw_compute_linetime_wm(cstate); + pipe_wm->linetime = hsw_compute_linetime_wm(crtc_state); if (!ilk_validate_pipe_wm(dev_priv, pipe_wm)) return -EINVAL; @@ -3162,7 +3162,7 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) for (level = 1; level <= usable_level; level++) { struct intel_wm_level *wm = &pipe_wm->wm[level]; - ilk_compute_wm_level(dev_priv, intel_crtc, level, cstate, + ilk_compute_wm_level(dev_priv, intel_crtc, level, crtc_state, pristate, sprstate, curstate, wm); /* @@ -3736,14 +3736,13 @@ intel_disable_sagv(struct drm_i915_private *dev_priv) return 0; } -bool intel_can_enable_sagv(struct drm_atomic_state *state) +bool intel_can_enable_sagv(struct intel_atomic_state *state) { - struct drm_device *dev = state->dev; + struct drm_device *dev = state->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_atomic_state *intel_state = to_intel_atomic_state(state); struct intel_crtc *crtc; struct intel_plane *plane; - struct intel_crtc_state *cstate; + struct intel_crtc_state *crtc_state; enum pipe pipe; int level, latency; int sagv_block_time_us; @@ -3761,27 +3760,27 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state) /* * If there are no active CRTCs, no additional checks need be performed */ - if (hweight32(intel_state->active_crtcs) == 0) + if (hweight32(state->active_crtcs) == 0) return true; /* * SKL+ workaround: bspec recommends we disable SAGV when we have * more then one pipe enabled */ - if (hweight32(intel_state->active_crtcs) > 1) + if (hweight32(state->active_crtcs) > 1) return false; /* Since we're now guaranteed to only have one active CRTC... */ - pipe = ffs(intel_state->active_crtcs) - 1; + pipe = ffs(state->active_crtcs) - 1; crtc = intel_get_crtc_for_pipe(dev_priv, pipe); - cstate = to_intel_crtc_state(crtc->base.state); + crtc_state = to_intel_crtc_state(crtc->base.state); if (crtc->base.state->adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) return false; for_each_intel_plane_on_crtc(dev, crtc, plane) { struct skl_plane_wm *wm = - &cstate->wm.skl.optimal.planes[plane->id]; + &crtc_state->wm.skl.optimal.planes[plane->id]; /* Skip this plane if it's not enabled */ if (!wm->wm[0].plane_en) @@ -3812,7 +3811,7 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state) } static u16 intel_get_ddb_size(struct drm_i915_private *dev_priv, - const struct intel_crtc_state *cstate, + const struct intel_crtc_state *crtc_state, const u64 total_data_rate, const int num_active, struct skl_ddb_allocation *ddb) @@ -3826,7 +3825,7 @@ static u16 intel_get_ddb_size(struct drm_i915_private *dev_priv, if (INTEL_GEN(dev_priv) < 11) return ddb_size - 4; /* 4 blocks for bypass path allocation */ - adjusted_mode = &cstate->base.adjusted_mode; + adjusted_mode = &crtc_state->base.adjusted_mode; total_data_bw = total_data_rate * drm_mode_vrefresh(adjusted_mode); /* @@ -3849,23 +3848,22 @@ static u16 intel_get_ddb_size(struct drm_i915_private *dev_priv, static void skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv, - const struct intel_crtc_state *cstate, + const struct intel_crtc_state *crtc_state, const u64 total_data_rate, struct skl_ddb_allocation *ddb, struct skl_ddb_entry *alloc, /* out */ int *num_active /* out */) { - struct drm_atomic_state *state = cstate->base.state; + struct drm_atomic_state *state = crtc_state->base.state; struct intel_atomic_state *intel_state = to_intel_atomic_state(state); - struct drm_crtc *for_crtc = cstate->base.crtc; - const struct drm_crtc_state *crtc_state; - const struct drm_crtc *crtc; + struct drm_crtc *for_crtc = crtc_state->base.crtc; + const struct intel_crtc *crtc; u32 pipe_width = 0, total_width = 0, width_before_pipe = 0; enum pipe for_pipe = to_intel_crtc(for_crtc)->pipe; u16 ddb_size; u32 i; - if (WARN_ON(!state) || !cstate->base.active) { + if (WARN_ON(!state) || !crtc_state->base.active) { alloc->start = 0; alloc->end = 0; *num_active = hweight32(dev_priv->active_crtcs); @@ -3877,7 +3875,7 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv, else *num_active = hweight32(dev_priv->active_crtcs); - ddb_size = intel_get_ddb_size(dev_priv, cstate, total_data_rate, + ddb_size = intel_get_ddb_size(dev_priv, crtc_state, total_data_rate, *num_active, ddb); /* @@ -3902,16 +3900,15 @@ skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv, * framebuffer, So instead of allocating DDB equally among pipes * distribute DDB based on resolution/width of the display. */ - for_each_new_crtc_in_state(state, crtc, crtc_state, i) { - const struct drm_display_mode *adjusted_mode; + for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) { + const struct drm_display_mode *adjusted_mode = + &crtc_state->base.adjusted_mode; + enum pipe pipe = crtc->pipe; int hdisplay, vdisplay; - enum pipe pipe; - if (!crtc_state->enable) + if (!crtc_state->base.enable) continue; - pipe = to_intel_crtc(crtc)->pipe; - adjusted_mode = &crtc_state->adjusted_mode; drm_mode_get_hv_timing(adjusted_mode, &hdisplay, &vdisplay); total_width += hdisplay; @@ -3930,7 +3927,7 @@ static int skl_compute_wm_params(const struct intel_crtc_state *crtc_state, u64 modifier, unsigned int rotation, u32 plane_pixel_rate, struct skl_wm_params *wp, int color_plane); -static void skl_compute_plane_wm(const struct intel_crtc_state *cstate, +static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state, int level, const struct skl_wm_params *wp, const struct skl_wm_level *result_prev, @@ -4062,15 +4059,15 @@ void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, * Caller should take care of dividing & rounding off the value. */ static uint_fixed_16_16_t -skl_plane_downscale_amount(const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate) +skl_plane_downscale_amount(const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state) { - struct intel_plane *plane = to_intel_plane(pstate->base.plane); + struct intel_plane *plane = to_intel_plane(plane_state->base.plane); u32 src_w, src_h, dst_w, dst_h; uint_fixed_16_16_t fp_w_ratio, fp_h_ratio; uint_fixed_16_16_t downscale_h, downscale_w; - if (WARN_ON(!intel_wm_plane_visible(cstate, pstate))) + if (WARN_ON(!intel_wm_plane_visible(crtc_state, plane_state))) return u32_to_fixed16(0); /* n.b., src is 16.16 fixed point, dst is whole integer */ @@ -4079,20 +4076,20 @@ skl_plane_downscale_amount(const struct intel_crtc_state *cstate, * Cursors only support 0/180 degree rotation, * hence no need to account for rotation here. */ - src_w = pstate->base.src_w >> 16; - src_h = pstate->base.src_h >> 16; - dst_w = pstate->base.crtc_w; - dst_h = pstate->base.crtc_h; + src_w = plane_state->base.src_w >> 16; + src_h = plane_state->base.src_h >> 16; + dst_w = plane_state->base.crtc_w; + dst_h = plane_state->base.crtc_h; } else { /* * Src coordinates are already rotated by 270 degrees for * the 90/270 degree plane rotation cases (to match the * GTT mapping), hence no need to account for rotation here. */ - src_w = drm_rect_width(&pstate->base.src) >> 16; - src_h = drm_rect_height(&pstate->base.src) >> 16; - dst_w = drm_rect_width(&pstate->base.dst); - dst_h = drm_rect_height(&pstate->base.dst); + src_w = drm_rect_width(&plane_state->base.src) >> 16; + src_h = drm_rect_height(&plane_state->base.src) >> 16; + dst_w = drm_rect_width(&plane_state->base.dst); + dst_h = drm_rect_height(&plane_state->base.dst); } fp_w_ratio = div_fixed16(src_w, dst_w); @@ -4137,49 +4134,46 @@ skl_pipe_downscale_amount(const struct intel_crtc_state *crtc_state) } int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc, - struct intel_crtc_state *cstate) + struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); - struct drm_crtc_state *crtc_state = &cstate->base; - struct drm_atomic_state *state = crtc_state->state; + struct drm_atomic_state *state = crtc_state->base.state; struct drm_plane *plane; - const struct drm_plane_state *pstate; - struct intel_plane_state *intel_pstate; + const struct drm_plane_state *drm_plane_state; int crtc_clock, dotclk; u32 pipe_max_pixel_rate; uint_fixed_16_16_t pipe_downscale; uint_fixed_16_16_t max_downscale = u32_to_fixed16(1); - if (!cstate->base.enable) + if (!crtc_state->base.enable) return 0; - drm_atomic_crtc_state_for_each_plane_state(plane, pstate, crtc_state) { + drm_atomic_crtc_state_for_each_plane_state(plane, drm_plane_state, &crtc_state->base) { uint_fixed_16_16_t plane_downscale; uint_fixed_16_16_t fp_9_div_8 = div_fixed16(9, 8); int bpp; + const struct intel_plane_state *plane_state = + to_intel_plane_state(drm_plane_state); - if (!intel_wm_plane_visible(cstate, - to_intel_plane_state(pstate))) + if (!intel_wm_plane_visible(crtc_state, plane_state)) continue; - if (WARN_ON(!pstate->fb)) + if (WARN_ON(!plane_state->base.fb)) return -EINVAL; - intel_pstate = to_intel_plane_state(pstate); - plane_downscale = skl_plane_downscale_amount(cstate, - intel_pstate); - bpp = pstate->fb->format->cpp[0] * 8; + plane_downscale = skl_plane_downscale_amount(crtc_state, plane_state); + bpp = plane_state->base.fb->format->cpp[0] * 8; if (bpp == 64) plane_downscale = mul_fixed16(plane_downscale, fp_9_div_8); max_downscale = max_fixed16(plane_downscale, max_downscale); } - pipe_downscale = skl_pipe_downscale_amount(cstate); + pipe_downscale = skl_pipe_downscale_amount(crtc_state); pipe_downscale = mul_fixed16(pipe_downscale, max_downscale); - crtc_clock = crtc_state->adjusted_mode.crtc_clock; + crtc_clock = crtc_state->base.adjusted_mode.crtc_clock; dotclk = to_intel_atomic_state(state)->cdclk.logical.cdclk; if (IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) >= 10) @@ -4196,12 +4190,11 @@ int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc, } static u64 -skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, - const struct intel_plane_state *intel_pstate, +skl_plane_relative_data_rate(const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state, const int plane) { - struct intel_plane *intel_plane = - to_intel_plane(intel_pstate->base.plane); + struct intel_plane *intel_plane = to_intel_plane(plane_state->base.plane); u32 data_rate; u32 width = 0, height = 0; struct drm_framebuffer *fb; @@ -4209,10 +4202,10 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, uint_fixed_16_16_t down_scale_amount; u64 rate; - if (!intel_pstate->base.visible) + if (!plane_state->base.visible) return 0; - fb = intel_pstate->base.fb; + fb = plane_state->base.fb; format = fb->format->format; if (intel_plane->id == PLANE_CURSOR) @@ -4225,8 +4218,8 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, * the 90/270 degree plane rotation cases (to match the * GTT mapping), hence no need to account for rotation here. */ - width = drm_rect_width(&intel_pstate->base.src) >> 16; - height = drm_rect_height(&intel_pstate->base.src) >> 16; + width = drm_rect_width(&plane_state->base.src) >> 16; + height = drm_rect_height(&plane_state->base.src) >> 16; /* UV plane does 1/2 pixel sub-sampling */ if (plane == 1 && is_planar_yuv_format(format)) { @@ -4236,7 +4229,7 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, data_rate = width * height; - down_scale_amount = skl_plane_downscale_amount(cstate, intel_pstate); + down_scale_amount = skl_plane_downscale_amount(crtc_state, plane_state); rate = mul_round_up_u32_fixed16(data_rate, down_scale_amount); @@ -4245,35 +4238,32 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, } static u64 -skl_get_total_relative_data_rate(struct intel_crtc_state *intel_cstate, +skl_get_total_relative_data_rate(struct intel_crtc_state *crtc_state, u64 *plane_data_rate, u64 *uv_plane_data_rate) { - struct drm_crtc_state *cstate = &intel_cstate->base; - struct drm_atomic_state *state = cstate->state; + struct drm_atomic_state *state = crtc_state->base.state; struct drm_plane *plane; - const struct drm_plane_state *pstate; + const struct drm_plane_state *drm_plane_state; u64 total_data_rate = 0; if (WARN_ON(!state)) return 0; /* Calculate and cache data rate for each plane */ - drm_atomic_crtc_state_for_each_plane_state(plane, pstate, cstate) { + drm_atomic_crtc_state_for_each_plane_state(plane, drm_plane_state, &crtc_state->base) { enum plane_id plane_id = to_intel_plane(plane)->id; + const struct intel_plane_state *plane_state = + to_intel_plane_state(drm_plane_state); u64 rate; - const struct intel_plane_state *intel_pstate = - to_intel_plane_state(pstate); /* packed/y */ - rate = skl_plane_relative_data_rate(intel_cstate, - intel_pstate, 0); + rate = skl_plane_relative_data_rate(crtc_state, plane_state, 0); plane_data_rate[plane_id] = rate; total_data_rate += rate; /* uv-plane */ - rate = skl_plane_relative_data_rate(intel_cstate, - intel_pstate, 1); + rate = skl_plane_relative_data_rate(crtc_state, plane_state, 1); uv_plane_data_rate[plane_id] = rate; total_data_rate += rate; } @@ -4282,28 +4272,25 @@ skl_get_total_relative_data_rate(struct intel_crtc_state *intel_cstate, } static u64 -icl_get_total_relative_data_rate(struct intel_crtc_state *intel_cstate, +icl_get_total_relative_data_rate(struct intel_crtc_state *crtc_state, u64 *plane_data_rate) { - struct drm_crtc_state *cstate = &intel_cstate->base; - struct drm_atomic_state *state = cstate->state; struct drm_plane *plane; - const struct drm_plane_state *pstate; + const struct drm_plane_state *drm_plane_state; u64 total_data_rate = 0; - if (WARN_ON(!state)) + if (WARN_ON(!crtc_state->base.state)) return 0; /* Calculate and cache data rate for each plane */ - drm_atomic_crtc_state_for_each_plane_state(plane, pstate, cstate) { - const struct intel_plane_state *intel_pstate = - to_intel_plane_state(pstate); + drm_atomic_crtc_state_for_each_plane_state(plane, drm_plane_state, &crtc_state->base) { + const struct intel_plane_state *plane_state = + to_intel_plane_state(drm_plane_state); enum plane_id plane_id = to_intel_plane(plane)->id; u64 rate; - if (!intel_pstate->linked_plane) { - rate = skl_plane_relative_data_rate(intel_cstate, - intel_pstate, 0); + if (!plane_state->linked_plane) { + rate = skl_plane_relative_data_rate(crtc_state, plane_state, 0); plane_data_rate[plane_id] = rate; total_data_rate += rate; } else { @@ -4316,18 +4303,16 @@ icl_get_total_relative_data_rate(struct intel_crtc_state *intel_cstate, * NULL if we try get_new_plane_state(), so we * always calculate from the master. */ - if (intel_pstate->slave) + if (plane_state->slave) continue; /* Y plane rate is calculated on the slave */ - rate = skl_plane_relative_data_rate(intel_cstate, - intel_pstate, 0); - y_plane_id = intel_pstate->linked_plane->id; + rate = skl_plane_relative_data_rate(crtc_state, plane_state, 0); + y_plane_id = plane_state->linked_plane->id; plane_data_rate[y_plane_id] = rate; total_data_rate += rate; - rate = skl_plane_relative_data_rate(intel_cstate, - intel_pstate, 1); + rate = skl_plane_relative_data_rate(crtc_state, plane_state, 1); plane_data_rate[plane_id] = rate; total_data_rate += rate; } @@ -4337,14 +4322,14 @@ icl_get_total_relative_data_rate(struct intel_crtc_state *intel_cstate, } static int -skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, +skl_allocate_pipe_ddb(struct intel_crtc_state *crtc_state, struct skl_ddb_allocation *ddb /* out */) { - struct drm_atomic_state *state = cstate->base.state; - struct drm_crtc *crtc = cstate->base.crtc; + struct drm_atomic_state *state = crtc_state->base.state; + struct drm_crtc *crtc = crtc_state->base.crtc; struct drm_i915_private *dev_priv = to_i915(crtc->dev); struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct skl_ddb_entry *alloc = &cstate->wm.skl.ddb; + struct skl_ddb_entry *alloc = &crtc_state->wm.skl.ddb; u16 alloc_size, start = 0; u16 total[I915_MAX_PLANES] = {}; u16 uv_total[I915_MAX_PLANES] = {}; @@ -4357,40 +4342,40 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, int level; /* Clear the partitioning for disabled planes. */ - memset(cstate->wm.skl.plane_ddb_y, 0, sizeof(cstate->wm.skl.plane_ddb_y)); - memset(cstate->wm.skl.plane_ddb_uv, 0, sizeof(cstate->wm.skl.plane_ddb_uv)); + memset(crtc_state->wm.skl.plane_ddb_y, 0, sizeof(crtc_state->wm.skl.plane_ddb_y)); + memset(crtc_state->wm.skl.plane_ddb_uv, 0, sizeof(crtc_state->wm.skl.plane_ddb_uv)); if (WARN_ON(!state)) return 0; - if (!cstate->base.active) { + if (!crtc_state->base.active) { alloc->start = alloc->end = 0; return 0; } if (INTEL_GEN(dev_priv) >= 11) total_data_rate = - icl_get_total_relative_data_rate(cstate, + icl_get_total_relative_data_rate(crtc_state, plane_data_rate); else total_data_rate = - skl_get_total_relative_data_rate(cstate, + skl_get_total_relative_data_rate(crtc_state, plane_data_rate, uv_plane_data_rate); - skl_ddb_get_pipe_allocation_limits(dev_priv, cstate, total_data_rate, + skl_ddb_get_pipe_allocation_limits(dev_priv, crtc_state, total_data_rate, ddb, alloc, &num_active); alloc_size = skl_ddb_entry_size(alloc); if (alloc_size == 0) return 0; /* Allocate fixed number of blocks for cursor. */ - total[PLANE_CURSOR] = skl_cursor_allocation(cstate, num_active); + total[PLANE_CURSOR] = skl_cursor_allocation(crtc_state, num_active); alloc_size -= total[PLANE_CURSOR]; - cstate->wm.skl.plane_ddb_y[PLANE_CURSOR].start = + crtc_state->wm.skl.plane_ddb_y[PLANE_CURSOR].start = alloc->end - total[PLANE_CURSOR]; - cstate->wm.skl.plane_ddb_y[PLANE_CURSOR].end = alloc->end; + crtc_state->wm.skl.plane_ddb_y[PLANE_CURSOR].end = alloc->end; if (total_data_rate == 0) return 0; @@ -4403,7 +4388,7 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, blocks = 0; for_each_plane_id_on_crtc(intel_crtc, plane_id) { const struct skl_plane_wm *wm = - &cstate->wm.skl.optimal.planes[plane_id]; + &crtc_state->wm.skl.optimal.planes[plane_id]; if (plane_id == PLANE_CURSOR) { if (WARN_ON(wm->wm[level].min_ddb_alloc > @@ -4438,7 +4423,7 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, */ for_each_plane_id_on_crtc(intel_crtc, plane_id) { const struct skl_plane_wm *wm = - &cstate->wm.skl.optimal.planes[plane_id]; + &crtc_state->wm.skl.optimal.planes[plane_id]; u64 rate; u16 extra; @@ -4477,9 +4462,9 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, start = alloc->start; for_each_plane_id_on_crtc(intel_crtc, plane_id) { struct skl_ddb_entry *plane_alloc = - &cstate->wm.skl.plane_ddb_y[plane_id]; + &crtc_state->wm.skl.plane_ddb_y[plane_id]; struct skl_ddb_entry *uv_plane_alloc = - &cstate->wm.skl.plane_ddb_uv[plane_id]; + &crtc_state->wm.skl.plane_ddb_uv[plane_id]; if (plane_id == PLANE_CURSOR) continue; @@ -4510,7 +4495,7 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, for (level++; level <= ilk_wm_max_level(dev_priv); level++) { for_each_plane_id_on_crtc(intel_crtc, plane_id) { struct skl_plane_wm *wm = - &cstate->wm.skl.optimal.planes[plane_id]; + &crtc_state->wm.skl.optimal.planes[plane_id]; /* * We only disable the watermarks for each plane if @@ -4547,7 +4532,7 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, */ for_each_plane_id_on_crtc(intel_crtc, plane_id) { struct skl_plane_wm *wm = - &cstate->wm.skl.optimal.planes[plane_id]; + &crtc_state->wm.skl.optimal.planes[plane_id]; if (wm->trans_wm.plane_res_b >= total[plane_id]) memset(&wm->trans_wm, 0, sizeof(wm->trans_wm)); @@ -4599,43 +4584,43 @@ skl_wm_method2(u32 pixel_rate, u32 pipe_htotal, u32 latency, } static uint_fixed_16_16_t -intel_get_linetime_us(const struct intel_crtc_state *cstate) +intel_get_linetime_us(const struct intel_crtc_state *crtc_state) { u32 pixel_rate; u32 crtc_htotal; uint_fixed_16_16_t linetime_us; - if (!cstate->base.active) + if (!crtc_state->base.active) return u32_to_fixed16(0); - pixel_rate = cstate->pixel_rate; + pixel_rate = crtc_state->pixel_rate; if (WARN_ON(pixel_rate == 0)) return u32_to_fixed16(0); - crtc_htotal = cstate->base.adjusted_mode.crtc_htotal; + crtc_htotal = crtc_state->base.adjusted_mode.crtc_htotal; linetime_us = div_fixed16(crtc_htotal * 1000, pixel_rate); return linetime_us; } static u32 -skl_adjusted_plane_pixel_rate(const struct intel_crtc_state *cstate, - const struct intel_plane_state *pstate) +skl_adjusted_plane_pixel_rate(const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state) { u64 adjusted_pixel_rate; uint_fixed_16_16_t downscale_amount; /* Shouldn't reach here on disabled planes... */ - if (WARN_ON(!intel_wm_plane_visible(cstate, pstate))) + if (WARN_ON(!intel_wm_plane_visible(crtc_state, plane_state))) return 0; /* * Adjusted plane pixel rate is just the pipe's adjusted pixel rate * with additional adjustments for plane-specific scaling. */ - adjusted_pixel_rate = cstate->pixel_rate; - downscale_amount = skl_plane_downscale_amount(cstate, pstate); + adjusted_pixel_rate = crtc_state->pixel_rate; + downscale_amount = skl_plane_downscale_amount(crtc_state, plane_state); return mul_round_up_u32_fixed16(adjusted_pixel_rate, downscale_amount); @@ -4768,13 +4753,13 @@ static bool skl_wm_has_lines(struct drm_i915_private *dev_priv, int level) return level > 0; } -static void skl_compute_plane_wm(const struct intel_crtc_state *cstate, +static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state, int level, const struct skl_wm_params *wp, const struct skl_wm_level *result_prev, struct skl_wm_level *result /* out */) { - struct drm_i915_private *dev_priv = to_i915(cstate->base.crtc->dev); + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); u32 latency = dev_priv->wm.skl_latency[level]; uint_fixed_16_16_t method1, method2; uint_fixed_16_16_t selected_result; @@ -4800,14 +4785,14 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *cstate, method1 = skl_wm_method1(dev_priv, wp->plane_pixel_rate, wp->cpp, latency, wp->dbuf_block_size); method2 = skl_wm_method2(wp->plane_pixel_rate, - cstate->base.adjusted_mode.crtc_htotal, + crtc_state->base.adjusted_mode.crtc_htotal, latency, wp->plane_blocks_per_line); if (wp->y_tiled) { selected_result = max_fixed16(method2, wp->y_tile_minimum); } else { - if ((wp->cpp * cstate->base.adjusted_mode.crtc_htotal / + if ((wp->cpp * crtc_state->base.adjusted_mode.crtc_htotal / wp->dbuf_block_size < 1) && (wp->plane_bytes_per_line / wp->dbuf_block_size < 1)) { selected_result = method2; @@ -4894,18 +4879,18 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *cstate, } static void -skl_compute_wm_levels(const struct intel_crtc_state *cstate, +skl_compute_wm_levels(const struct intel_crtc_state *crtc_state, const struct skl_wm_params *wm_params, struct skl_wm_level *levels) { - struct drm_i915_private *dev_priv = to_i915(cstate->base.crtc->dev); + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); int level, max_level = ilk_wm_max_level(dev_priv); struct skl_wm_level *result_prev = &levels[0]; for (level = 0; level <= max_level; level++) { struct skl_wm_level *result = &levels[level]; - skl_compute_plane_wm(cstate, level, wm_params, + skl_compute_plane_wm(crtc_state, level, wm_params, result_prev, result); result_prev = result; @@ -4913,14 +4898,14 @@ skl_compute_wm_levels(const struct intel_crtc_state *cstate, } static u32 -skl_compute_linetime_wm(const struct intel_crtc_state *cstate) +skl_compute_linetime_wm(const struct intel_crtc_state *crtc_state) { - struct drm_atomic_state *state = cstate->base.state; + struct drm_atomic_state *state = crtc_state->base.state; struct drm_i915_private *dev_priv = to_i915(state->dev); uint_fixed_16_16_t linetime_us; u32 linetime_wm; - linetime_us = intel_get_linetime_us(cstate); + linetime_us = intel_get_linetime_us(crtc_state); linetime_wm = fixed16_to_u32_round_up(mul_u32_fixed16(8, linetime_us)); /* Display WA #1135: BXT:ALL GLK:ALL */ @@ -4930,11 +4915,11 @@ skl_compute_linetime_wm(const struct intel_crtc_state *cstate) return linetime_wm; } -static void skl_compute_transition_wm(const struct intel_crtc_state *cstate, +static void skl_compute_transition_wm(const struct intel_crtc_state *crtc_state, const struct skl_wm_params *wp, struct skl_plane_wm *wm) { - struct drm_device *dev = cstate->base.crtc->dev; + struct drm_device *dev = crtc_state->base.crtc->dev; const struct drm_i915_private *dev_priv = to_i915(dev); u16 trans_min, trans_y_tile_min; const u16 trans_amount = 10; /* This is configurable amount */ @@ -5092,13 +5077,12 @@ static int icl_build_plane_wm(struct intel_crtc_state *crtc_state, return 0; } -static int skl_build_pipe_wm(struct intel_crtc_state *cstate) +static int skl_build_pipe_wm(struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(cstate->base.crtc->dev); - struct skl_pipe_wm *pipe_wm = &cstate->wm.skl.optimal; - struct drm_crtc_state *crtc_state = &cstate->base; + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + struct skl_pipe_wm *pipe_wm = &crtc_state->wm.skl.optimal; struct drm_plane *plane; - const struct drm_plane_state *pstate; + const struct drm_plane_state *drm_plane_state; int ret; /* @@ -5107,19 +5091,20 @@ static int skl_build_pipe_wm(struct intel_crtc_state *cstate) */ memset(pipe_wm->planes, 0, sizeof(pipe_wm->planes)); - drm_atomic_crtc_state_for_each_plane_state(plane, pstate, crtc_state) { - const struct intel_plane_state *intel_pstate = - to_intel_plane_state(pstate); + drm_atomic_crtc_state_for_each_plane_state(plane, drm_plane_state, + &crtc_state->base) { + const struct intel_plane_state *plane_state = + to_intel_plane_state(drm_plane_state); if (INTEL_GEN(dev_priv) >= 11) - ret = icl_build_plane_wm(cstate, intel_pstate); + ret = icl_build_plane_wm(crtc_state, plane_state); else - ret = skl_build_plane_wm(cstate, intel_pstate); + ret = skl_build_plane_wm(crtc_state, plane_state); if (ret) return ret; } - pipe_wm->linetime = skl_compute_linetime_wm(cstate); + pipe_wm->linetime = skl_compute_linetime_wm(crtc_state); return 0; } @@ -5273,10 +5258,10 @@ static u32 pipes_modified(struct intel_atomic_state *state) { struct intel_crtc *crtc; - struct intel_crtc_state *cstate; + struct intel_crtc_state *crtc_state; u32 i, ret = 0; - for_each_new_intel_crtc_in_state(state, crtc, cstate, i) + for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) ret |= drm_crtc_mask(&crtc->base); return ret; @@ -5652,11 +5637,11 @@ skl_compute_wm(struct intel_atomic_state *state) } static void skl_atomic_update_crtc_wm(struct intel_atomic_state *state, - struct intel_crtc_state *cstate) + struct intel_crtc_state *crtc_state) { - struct intel_crtc *crtc = to_intel_crtc(cstate->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); struct drm_i915_private *dev_priv = to_i915(state->base.dev); - struct skl_pipe_wm *pipe_wm = &cstate->wm.skl.optimal; + struct skl_pipe_wm *pipe_wm = &crtc_state->wm.skl.optimal; enum pipe pipe = crtc->pipe; if (!(state->wm_results.dirty_pipes & drm_crtc_mask(&crtc->base))) @@ -5666,9 +5651,9 @@ static void skl_atomic_update_crtc_wm(struct intel_atomic_state *state, } static void skl_initial_wm(struct intel_atomic_state *state, - struct intel_crtc_state *cstate) + struct intel_crtc_state *crtc_state) { - struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc); + struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); struct drm_device *dev = intel_crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); struct skl_ddb_values *results = &state->wm_results; @@ -5678,8 +5663,8 @@ static void skl_initial_wm(struct intel_atomic_state *state, mutex_lock(&dev_priv->wm.wm_mutex); - if (cstate->base.active_changed) - skl_atomic_update_crtc_wm(state, cstate); + if (crtc_state->base.active_changed) + skl_atomic_update_crtc_wm(state, crtc_state); mutex_unlock(&dev_priv->wm.wm_mutex); } @@ -5735,28 +5720,29 @@ static void ilk_program_watermarks(struct drm_i915_private *dev_priv) } static void ilk_initial_watermarks(struct intel_atomic_state *state, - struct intel_crtc_state *cstate) + struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(cstate->base.crtc->dev); - struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); mutex_lock(&dev_priv->wm.wm_mutex); - intel_crtc->wm.active.ilk = cstate->wm.ilk.intermediate; + crtc->wm.active.ilk = crtc_state->wm.ilk.intermediate; ilk_program_watermarks(dev_priv); mutex_unlock(&dev_priv->wm.wm_mutex); } static void ilk_optimize_watermarks(struct intel_atomic_state *state, - struct intel_crtc_state *cstate) + struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(cstate->base.crtc->dev); - struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + + if (!crtc_state->wm.need_postvbl_update) + return; mutex_lock(&dev_priv->wm.wm_mutex); - if (cstate->wm.need_postvbl_update) { - intel_crtc->wm.active.ilk = cstate->wm.ilk.optimal; - ilk_program_watermarks(dev_priv); - } + crtc->wm.active.ilk = crtc_state->wm.ilk.optimal; + ilk_program_watermarks(dev_priv); mutex_unlock(&dev_priv->wm.wm_mutex); } @@ -5812,13 +5798,13 @@ void skl_wm_get_hw_state(struct drm_i915_private *dev_priv) struct skl_ddb_values *hw = &dev_priv->wm.skl_hw; struct skl_ddb_allocation *ddb = &dev_priv->wm.skl_hw.ddb; struct intel_crtc *crtc; - struct intel_crtc_state *cstate; + struct intel_crtc_state *crtc_state; skl_ddb_get_hw_state(dev_priv, ddb); for_each_intel_crtc(&dev_priv->drm, crtc) { - cstate = to_intel_crtc_state(crtc->base.state); + crtc_state = to_intel_crtc_state(crtc->base.state); - skl_pipe_wm_get_hw_state(crtc, &cstate->wm.skl.optimal); + skl_pipe_wm_get_hw_state(crtc, &crtc_state->wm.skl.optimal); if (crtc->active) hw->dirty_pipes |= drm_crtc_mask(&crtc->base); @@ -5835,8 +5821,8 @@ static void ilk_pipe_wm_get_hw_state(struct intel_crtc *crtc) struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); struct ilk_wm_values *hw = &dev_priv->wm.hw; - struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->base.state); - struct intel_pipe_wm *active = &cstate->wm.ilk.optimal; + struct intel_crtc_state *crtc_state = to_intel_crtc_state(crtc->base.state); + struct intel_pipe_wm *active = &crtc_state->wm.ilk.optimal; enum pipe pipe = crtc->pipe; static const i915_reg_t wm0_pipe_reg[] = { [PIPE_A] = WM0_PIPEA_ILK, @@ -6891,9 +6877,10 @@ void gen6_rps_boost(struct i915_request *rq) /* Serializes with i915_request_retire() */ boost = false; spin_lock_irqsave(&rq->lock, flags); - if (!rq->waitboost && !dma_fence_is_signaled_locked(&rq->fence)) { + if (!i915_request_has_waitboost(rq) && + !dma_fence_is_signaled_locked(&rq->fence)) { boost = !atomic_fetch_inc(&rps->num_waiters); - rq->waitboost = true; + rq->flags |= I915_REQUEST_WAITBOOST; } spin_unlock_irqrestore(&rq->lock, flags); if (!boost) @@ -7175,7 +7162,7 @@ static void gen11_enable_rc6(struct drm_i915_private *dev_priv) for_each_engine(engine, dev_priv, id) I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10); - if (HAS_GUC(dev_priv)) + if (HAS_GT_UC(dev_priv)) I915_WRITE(GUC_MAX_IDLE_COUNT, 0xA); I915_WRITE(GEN6_RC_SLEEP, 0); @@ -7192,7 +7179,7 @@ static void gen11_enable_rc6(struct drm_i915_private *dev_priv) * next request to execute. If the idle hysteresis is less than that * interrupt service latency, the hardware will automatically gate * the power well and we will then incur the wake up cost on top of - * the service latency. A similar guide from intel_pstate is that we + * the service latency. A similar guide from plane_state is that we * do not want the enable hysteresis to less than the wakeup latency. * * igt/gem_exec_nop/sequential provides a rough estimate for the @@ -7256,7 +7243,7 @@ static void gen9_enable_rc6(struct drm_i915_private *dev_priv) for_each_engine(engine, dev_priv, id) I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10); - if (HAS_GUC(dev_priv)) + if (HAS_GT_UC(dev_priv)) I915_WRITE(GUC_MAX_IDLE_COUNT, 0xA); I915_WRITE(GEN6_RC_SLEEP, 0); @@ -7271,7 +7258,7 @@ static void gen9_enable_rc6(struct drm_i915_private *dev_priv) * next request to execute. If the idle hysteresis is less than that * interrupt service latency, the hardware will automatically gate * the power well and we will then incur the wake up cost on top of - * the service latency. A similar guide from intel_pstate is that we + * the service latency. A similar guide from plane_state is that we * do not want the enable hysteresis to less than the wakeup latency. * * igt/gem_exec_nop/sequential provides a rough estimate for the diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h index 1b489fa399e1..e3573e1e16e3 100644 --- a/drivers/gpu/drm/i915/intel_pm.h +++ b/drivers/gpu/drm/i915/intel_pm.h @@ -10,10 +10,10 @@ #include "i915_reg.h" -struct drm_atomic_state; struct drm_device; struct drm_i915_private; struct i915_request; +struct intel_atomic_state; struct intel_crtc; struct intel_crtc_state; struct intel_plane; @@ -52,7 +52,7 @@ void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc, struct skl_pipe_wm *out); void g4x_wm_sanitize(struct drm_i915_private *dev_priv); void vlv_wm_sanitize(struct drm_i915_private *dev_priv); -bool intel_can_enable_sagv(struct drm_atomic_state *state); +bool intel_can_enable_sagv(struct intel_atomic_state *state); int intel_enable_sagv(struct drm_i915_private *dev_priv); int intel_disable_sagv(struct drm_i915_private *dev_priv); bool skl_wm_level_equals(const struct skl_wm_level *l1, diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 8d1aebc3e857..b2a05850ea42 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -592,7 +592,7 @@ void intel_runtime_pm_disable(struct intel_runtime_pm *rpm) pm_runtime_put(kdev); } -void intel_runtime_pm_cleanup(struct intel_runtime_pm *rpm) +void intel_runtime_pm_driver_release(struct intel_runtime_pm *rpm) { int count = atomic_read(&rpm->wakeref_count); diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.h b/drivers/gpu/drm/i915/intel_runtime_pm.h index 2ee8f9522e05..ae64ff14c642 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.h +++ b/drivers/gpu/drm/i915/intel_runtime_pm.h @@ -173,7 +173,7 @@ enable_rpm_wakeref_asserts(struct intel_runtime_pm *rpm) void intel_runtime_pm_init_early(struct intel_runtime_pm *rpm); void intel_runtime_pm_enable(struct intel_runtime_pm *rpm); void intel_runtime_pm_disable(struct intel_runtime_pm *rpm); -void intel_runtime_pm_cleanup(struct intel_runtime_pm *rpm); +void intel_runtime_pm_driver_release(struct intel_runtime_pm *rpm); intel_wakeref_t intel_runtime_pm_get(struct intel_runtime_pm *rpm); intel_wakeref_t intel_runtime_pm_get_if_in_use(struct intel_runtime_pm *rpm); diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c deleted file mode 100644 index ae45651ac73c..000000000000 --- a/drivers/gpu/drm/i915/intel_uc.c +++ /dev/null @@ -1,561 +0,0 @@ -/* - * Copyright © 2016 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - */ - -#include "gt/intel_reset.h" -#include "intel_uc.h" -#include "intel_guc.h" -#include "intel_guc_ads.h" -#include "intel_guc_submission.h" -#include "i915_drv.h" - -static void guc_free_load_err_log(struct intel_guc *guc); - -/* Reset GuC providing us with fresh state for both GuC and HuC. - */ -static int __intel_uc_reset_hw(struct drm_i915_private *dev_priv) -{ - int ret; - u32 guc_status; - - ret = intel_reset_guc(dev_priv); - if (ret) { - DRM_ERROR("Failed to reset GuC, ret = %d\n", ret); - return ret; - } - - guc_status = I915_READ(GUC_STATUS); - WARN(!(guc_status & GS_MIA_IN_RESET), - "GuC status: 0x%x, MIA core expected to be in reset\n", - guc_status); - - return ret; -} - -static int __get_platform_enable_guc(struct drm_i915_private *i915) -{ - struct intel_uc_fw *guc_fw = &i915->guc.fw; - struct intel_uc_fw *huc_fw = &i915->huc.fw; - int enable_guc = 0; - - /* Default is to use HuC if we know GuC and HuC firmwares */ - if (intel_uc_fw_is_selected(guc_fw) && intel_uc_fw_is_selected(huc_fw)) - enable_guc |= ENABLE_GUC_LOAD_HUC; - - /* Any platform specific fine-tuning can be done here */ - - return enable_guc; -} - -static int __get_default_guc_log_level(struct drm_i915_private *i915) -{ - int guc_log_level; - - if (!HAS_GUC(i915) || !intel_uc_is_using_guc(i915)) - guc_log_level = GUC_LOG_LEVEL_DISABLED; - else if (IS_ENABLED(CONFIG_DRM_I915_DEBUG) || - IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)) - guc_log_level = GUC_LOG_LEVEL_MAX; - else - guc_log_level = GUC_LOG_LEVEL_NON_VERBOSE; - - /* Any platform specific fine-tuning can be done here */ - - return guc_log_level; -} - -/** - * sanitize_options_early - sanitize uC related modparam options - * @i915: device private - * - * In case of "enable_guc" option this function will attempt to modify - * it only if it was initially set to "auto(-1)". Default value for this - * modparam varies between platforms and it is hardcoded in driver code. - * Any other modparam value is only monitored against availability of the - * related hardware or firmware definitions. - * - * In case of "guc_log_level" option this function will attempt to modify - * it only if it was initially set to "auto(-1)" or if initial value was - * "enable(1..4)" on platforms without the GuC. Default value for this - * modparam varies between platforms and is usually set to "disable(0)" - * unless GuC is enabled on given platform and the driver is compiled with - * debug config when this modparam will default to "enable(1..4)". - */ -static void sanitize_options_early(struct drm_i915_private *i915) -{ - struct intel_uc_fw *guc_fw = &i915->guc.fw; - struct intel_uc_fw *huc_fw = &i915->huc.fw; - - /* A negative value means "use platform default" */ - if (i915_modparams.enable_guc < 0) - i915_modparams.enable_guc = __get_platform_enable_guc(i915); - - DRM_DEBUG_DRIVER("enable_guc=%d (submission:%s huc:%s)\n", - i915_modparams.enable_guc, - yesno(intel_uc_is_using_guc_submission(i915)), - yesno(intel_uc_is_using_huc(i915))); - - /* Verify GuC firmware availability */ - if (intel_uc_is_using_guc(i915) && !intel_uc_fw_is_selected(guc_fw)) { - DRM_WARN("Incompatible option detected: %s=%d, %s!\n", - "enable_guc", i915_modparams.enable_guc, - !HAS_GUC(i915) ? "no GuC hardware" : - "no GuC firmware"); - } - - /* Verify HuC firmware availability */ - if (intel_uc_is_using_huc(i915) && !intel_uc_fw_is_selected(huc_fw)) { - DRM_WARN("Incompatible option detected: %s=%d, %s!\n", - "enable_guc", i915_modparams.enable_guc, - !HAS_HUC(i915) ? "no HuC hardware" : - "no HuC firmware"); - } - - /* XXX: GuC submission is unavailable for now */ - if (intel_uc_is_using_guc_submission(i915)) { - DRM_INFO("Incompatible option detected: %s=%d, %s!\n", - "enable_guc", i915_modparams.enable_guc, - "GuC submission not supported"); - DRM_INFO("Switching to non-GuC submission mode!\n"); - i915_modparams.enable_guc &= ~ENABLE_GUC_SUBMISSION; - } - - /* A negative value means "use platform/config default" */ - if (i915_modparams.guc_log_level < 0) - i915_modparams.guc_log_level = - __get_default_guc_log_level(i915); - - if (i915_modparams.guc_log_level > 0 && !intel_uc_is_using_guc(i915)) { - DRM_WARN("Incompatible option detected: %s=%d, %s!\n", - "guc_log_level", i915_modparams.guc_log_level, - !HAS_GUC(i915) ? "no GuC hardware" : - "GuC not enabled"); - i915_modparams.guc_log_level = 0; - } - - if (i915_modparams.guc_log_level > GUC_LOG_LEVEL_MAX) { - DRM_WARN("Incompatible option detected: %s=%d, %s!\n", - "guc_log_level", i915_modparams.guc_log_level, - "verbosity too high"); - i915_modparams.guc_log_level = GUC_LOG_LEVEL_MAX; - } - - DRM_DEBUG_DRIVER("guc_log_level=%d (enabled:%s, verbose:%s, verbosity:%d)\n", - i915_modparams.guc_log_level, - yesno(i915_modparams.guc_log_level), - yesno(GUC_LOG_LEVEL_IS_VERBOSE(i915_modparams.guc_log_level)), - GUC_LOG_LEVEL_TO_VERBOSITY(i915_modparams.guc_log_level)); - - /* Make sure that sanitization was done */ - GEM_BUG_ON(i915_modparams.enable_guc < 0); - GEM_BUG_ON(i915_modparams.guc_log_level < 0); -} - -void intel_uc_init_early(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - struct intel_huc *huc = &i915->huc; - - intel_guc_init_early(guc); - intel_huc_init_early(huc); - - sanitize_options_early(i915); -} - -void intel_uc_cleanup_early(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - - guc_free_load_err_log(guc); -} - -/** - * intel_uc_init_mmio - setup uC MMIO access - * @i915: device private - * - * Setup minimal state necessary for MMIO accesses later in the - * initialization sequence. - */ -void intel_uc_init_mmio(struct drm_i915_private *i915) -{ - intel_guc_init_send_regs(&i915->guc); -} - -static void guc_capture_load_err_log(struct intel_guc *guc) -{ - if (!guc->log.vma || !intel_guc_log_get_level(&guc->log)) - return; - - if (!guc->load_err_log) - guc->load_err_log = i915_gem_object_get(guc->log.vma->obj); - - return; -} - -static void guc_free_load_err_log(struct intel_guc *guc) -{ - if (guc->load_err_log) - i915_gem_object_put(guc->load_err_log); -} - -static void guc_reset_interrupts(struct intel_guc *guc) -{ - guc->interrupts.reset(guc_to_i915(guc)); -} - -static void guc_enable_interrupts(struct intel_guc *guc) -{ - guc->interrupts.enable(guc_to_i915(guc)); -} - -static void guc_disable_interrupts(struct intel_guc *guc) -{ - guc->interrupts.disable(guc_to_i915(guc)); -} - -static int guc_enable_communication(struct intel_guc *guc) -{ - guc_enable_interrupts(guc); - - return intel_guc_ct_enable(&guc->ct); -} - -static void guc_stop_communication(struct intel_guc *guc) -{ - intel_guc_ct_stop(&guc->ct); - - guc->send = intel_guc_send_nop; - guc->handler = intel_guc_to_host_event_handler_nop; -} - -static void guc_disable_communication(struct intel_guc *guc) -{ - intel_guc_ct_disable(&guc->ct); - - guc_disable_interrupts(guc); - - guc->send = intel_guc_send_nop; - guc->handler = intel_guc_to_host_event_handler_nop; -} - -int intel_uc_init_misc(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - struct intel_huc *huc = &i915->huc; - int ret; - - if (!USES_GUC(i915)) - return 0; - - ret = intel_guc_init_misc(guc); - if (ret) - return ret; - - if (USES_HUC(i915)) { - ret = intel_huc_init_misc(huc); - if (ret) - goto err_guc; - } - - return 0; - -err_guc: - intel_guc_fini_misc(guc); - return ret; -} - -void intel_uc_fini_misc(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - struct intel_huc *huc = &i915->huc; - - if (!USES_GUC(i915)) - return; - - if (USES_HUC(i915)) - intel_huc_fini_misc(huc); - - intel_guc_fini_misc(guc); -} - -int intel_uc_init(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - struct intel_huc *huc = &i915->huc; - int ret; - - if (!USES_GUC(i915)) - return 0; - - if (!HAS_GUC(i915)) - return -ENODEV; - - /* XXX: GuC submission is unavailable for now */ - GEM_BUG_ON(USES_GUC_SUBMISSION(i915)); - - ret = intel_guc_init(guc); - if (ret) - return ret; - - if (USES_HUC(i915)) { - ret = intel_huc_init(huc); - if (ret) - goto err_guc; - } - - if (USES_GUC_SUBMISSION(i915)) { - /* - * This is stuff we need to have available at fw load time - * if we are planning to enable submission later - */ - ret = intel_guc_submission_init(guc); - if (ret) - goto err_huc; - } - - return 0; - -err_huc: - if (USES_HUC(i915)) - intel_huc_fini(huc); -err_guc: - intel_guc_fini(guc); - return ret; -} - -void intel_uc_fini(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - - if (!USES_GUC(i915)) - return; - - GEM_BUG_ON(!HAS_GUC(i915)); - - if (USES_GUC_SUBMISSION(i915)) - intel_guc_submission_fini(guc); - - if (USES_HUC(i915)) - intel_huc_fini(&i915->huc); - - intel_guc_fini(guc); -} - -static void __uc_sanitize(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - struct intel_huc *huc = &i915->huc; - - GEM_BUG_ON(!HAS_GUC(i915)); - - intel_huc_sanitize(huc); - intel_guc_sanitize(guc); - - __intel_uc_reset_hw(i915); -} - -void intel_uc_sanitize(struct drm_i915_private *i915) -{ - if (!USES_GUC(i915)) - return; - - __uc_sanitize(i915); -} - -int intel_uc_init_hw(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - struct intel_huc *huc = &i915->huc; - int ret, attempts; - - if (!USES_GUC(i915)) - return 0; - - GEM_BUG_ON(!HAS_GUC(i915)); - - guc_reset_interrupts(guc); - - /* WaEnableuKernelHeaderValidFix:skl */ - /* WaEnableGuCBootHashCheckNotSet:skl,bxt,kbl */ - if (IS_GEN(i915, 9)) - attempts = 3; - else - attempts = 1; - - while (attempts--) { - /* - * Always reset the GuC just before (re)loading, so - * that the state and timing are fairly predictable - */ - ret = __intel_uc_reset_hw(i915); - if (ret) - goto err_out; - - if (USES_HUC(i915)) { - ret = intel_huc_fw_upload(huc); - if (ret) - goto err_out; - } - - intel_guc_ads_reset(guc); - intel_guc_init_params(guc); - ret = intel_guc_fw_upload(guc); - if (ret == 0) - break; - - DRM_DEBUG_DRIVER("GuC fw load failed: %d; will reset and " - "retry %d more time(s)\n", ret, attempts); - } - - /* Did we succeded or run out of retries? */ - if (ret) - goto err_log_capture; - - ret = guc_enable_communication(guc); - if (ret) - goto err_log_capture; - - if (USES_HUC(i915)) { - ret = intel_huc_auth(huc); - if (ret) - goto err_communication; - } - - ret = intel_guc_sample_forcewake(guc); - if (ret) - goto err_communication; - - if (USES_GUC_SUBMISSION(i915)) { - ret = intel_guc_submission_enable(guc); - if (ret) - goto err_communication; - } - - dev_info(i915->drm.dev, "GuC firmware version %u.%u\n", - guc->fw.major_ver_found, guc->fw.minor_ver_found); - dev_info(i915->drm.dev, "GuC submission %s\n", - enableddisabled(USES_GUC_SUBMISSION(i915))); - dev_info(i915->drm.dev, "HuC %s\n", - enableddisabled(USES_HUC(i915))); - - return 0; - - /* - * We've failed to load the firmware :( - */ -err_communication: - guc_disable_communication(guc); -err_log_capture: - guc_capture_load_err_log(guc); -err_out: - __uc_sanitize(i915); - - /* - * Note that there is no fallback as either user explicitly asked for - * the GuC or driver default option was to run with the GuC enabled. - */ - if (GEM_WARN_ON(ret == -EIO)) - ret = -EINVAL; - - dev_err(i915->drm.dev, "GuC initialization failed %d\n", ret); - return ret; -} - -void intel_uc_fini_hw(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - - if (!intel_guc_is_loaded(guc)) - return; - - GEM_BUG_ON(!HAS_GUC(i915)); - - if (USES_GUC_SUBMISSION(i915)) - intel_guc_submission_disable(guc); - - guc_disable_communication(guc); - __uc_sanitize(i915); -} - -/** - * intel_uc_reset_prepare - Prepare for reset - * @i915: device private - * - * Preparing for full gpu reset. - */ -void intel_uc_reset_prepare(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - - if (!intel_guc_is_loaded(guc)) - return; - - guc_stop_communication(guc); - __uc_sanitize(i915); -} - -void intel_uc_runtime_suspend(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - int err; - - if (!intel_guc_is_loaded(guc)) - return; - - err = intel_guc_suspend(guc); - if (err) - DRM_DEBUG_DRIVER("Failed to suspend GuC, err=%d", err); - - guc_disable_communication(guc); -} - -void intel_uc_suspend(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - intel_wakeref_t wakeref; - - if (!intel_guc_is_loaded(guc)) - return; - - with_intel_runtime_pm(&i915->runtime_pm, wakeref) - intel_uc_runtime_suspend(i915); -} - -int intel_uc_resume(struct drm_i915_private *i915) -{ - struct intel_guc *guc = &i915->guc; - int err; - - if (!intel_guc_is_loaded(guc)) - return 0; - - guc_enable_communication(guc); - - err = intel_guc_resume(guc); - if (err) { - DRM_DEBUG_DRIVER("Failed to resume GuC, err=%d", err); - return err; - } - - return 0; -} diff --git a/drivers/gpu/drm/i915/intel_uc_fw.c b/drivers/gpu/drm/i915/intel_uc_fw.c deleted file mode 100644 index f342ddd47df8..000000000000 --- a/drivers/gpu/drm/i915/intel_uc_fw.c +++ /dev/null @@ -1,357 +0,0 @@ -/* - * Copyright © 2016-2017 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - */ - -#include <linux/bitfield.h> -#include <linux/firmware.h> -#include <drm/drm_print.h> - -#include "intel_uc_fw.h" -#include "i915_drv.h" - -/** - * intel_uc_fw_fetch - fetch uC firmware - * - * @dev_priv: device private - * @uc_fw: uC firmware - * - * Fetch uC firmware into GEM obj. - */ -void intel_uc_fw_fetch(struct drm_i915_private *dev_priv, - struct intel_uc_fw *uc_fw) -{ - struct pci_dev *pdev = dev_priv->drm.pdev; - struct drm_i915_gem_object *obj; - const struct firmware *fw = NULL; - struct uc_css_header *css; - size_t size; - int err; - - if (!uc_fw->path) { - dev_info(dev_priv->drm.dev, - "%s: No firmware was defined for %s!\n", - intel_uc_fw_type_repr(uc_fw->type), - intel_platform_name(INTEL_INFO(dev_priv)->platform)); - return; - } - - DRM_DEBUG_DRIVER("%s fw fetch %s\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path); - - uc_fw->fetch_status = INTEL_UC_FIRMWARE_PENDING; - DRM_DEBUG_DRIVER("%s fw fetch %s\n", - intel_uc_fw_type_repr(uc_fw->type), - intel_uc_fw_status_repr(uc_fw->fetch_status)); - - err = request_firmware(&fw, uc_fw->path, &pdev->dev); - if (err) { - DRM_DEBUG_DRIVER("%s fw request_firmware err=%d\n", - intel_uc_fw_type_repr(uc_fw->type), err); - goto fail; - } - - DRM_DEBUG_DRIVER("%s fw size %zu ptr %p\n", - intel_uc_fw_type_repr(uc_fw->type), fw->size, fw); - - /* Check the size of the blob before examining buffer contents */ - if (fw->size < sizeof(struct uc_css_header)) { - DRM_WARN("%s: Unexpected firmware size (%zu, min %zu)\n", - intel_uc_fw_type_repr(uc_fw->type), - fw->size, sizeof(struct uc_css_header)); - err = -ENODATA; - goto fail; - } - - css = (struct uc_css_header *)fw->data; - - /* Firmware bits always start from header */ - uc_fw->header_offset = 0; - uc_fw->header_size = (css->header_size_dw - css->modulus_size_dw - - css->key_size_dw - css->exponent_size_dw) * - sizeof(u32); - - if (uc_fw->header_size != sizeof(struct uc_css_header)) { - DRM_WARN("%s: Mismatched firmware header definition\n", - intel_uc_fw_type_repr(uc_fw->type)); - err = -ENOEXEC; - goto fail; - } - - /* then, uCode */ - uc_fw->ucode_offset = uc_fw->header_offset + uc_fw->header_size; - uc_fw->ucode_size = (css->size_dw - css->header_size_dw) * sizeof(u32); - - /* now RSA */ - if (css->key_size_dw != UOS_RSA_SCRATCH_COUNT) { - DRM_WARN("%s: Mismatched firmware RSA key size (%u)\n", - intel_uc_fw_type_repr(uc_fw->type), css->key_size_dw); - err = -ENOEXEC; - goto fail; - } - uc_fw->rsa_offset = uc_fw->ucode_offset + uc_fw->ucode_size; - uc_fw->rsa_size = css->key_size_dw * sizeof(u32); - - /* At least, it should have header, uCode and RSA. Size of all three. */ - size = uc_fw->header_size + uc_fw->ucode_size + uc_fw->rsa_size; - if (fw->size < size) { - DRM_WARN("%s: Truncated firmware (%zu, expected %zu)\n", - intel_uc_fw_type_repr(uc_fw->type), fw->size, size); - err = -ENOEXEC; - goto fail; - } - - /* Get version numbers from the CSS header */ - switch (uc_fw->type) { - case INTEL_UC_FW_TYPE_GUC: - uc_fw->major_ver_found = FIELD_GET(CSS_SW_VERSION_GUC_MAJOR, - css->sw_version); - uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_GUC_MINOR, - css->sw_version); - break; - - case INTEL_UC_FW_TYPE_HUC: - uc_fw->major_ver_found = FIELD_GET(CSS_SW_VERSION_HUC_MAJOR, - css->sw_version); - uc_fw->minor_ver_found = FIELD_GET(CSS_SW_VERSION_HUC_MINOR, - css->sw_version); - break; - - default: - MISSING_CASE(uc_fw->type); - break; - } - - DRM_DEBUG_DRIVER("%s fw version %u.%u (wanted %u.%u)\n", - intel_uc_fw_type_repr(uc_fw->type), - uc_fw->major_ver_found, uc_fw->minor_ver_found, - uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); - - if (uc_fw->major_ver_wanted == 0 && uc_fw->minor_ver_wanted == 0) { - DRM_NOTE("%s: Skipping firmware version check\n", - intel_uc_fw_type_repr(uc_fw->type)); - } else if (uc_fw->major_ver_found != uc_fw->major_ver_wanted || - uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) { - DRM_NOTE("%s: Wrong firmware version (%u.%u, required %u.%u)\n", - intel_uc_fw_type_repr(uc_fw->type), - uc_fw->major_ver_found, uc_fw->minor_ver_found, - uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted); - err = -ENOEXEC; - goto fail; - } - - obj = i915_gem_object_create_shmem_from_data(dev_priv, - fw->data, fw->size); - if (IS_ERR(obj)) { - err = PTR_ERR(obj); - DRM_DEBUG_DRIVER("%s fw object_create err=%d\n", - intel_uc_fw_type_repr(uc_fw->type), err); - goto fail; - } - - uc_fw->obj = obj; - uc_fw->size = fw->size; - uc_fw->fetch_status = INTEL_UC_FIRMWARE_SUCCESS; - DRM_DEBUG_DRIVER("%s fw fetch %s\n", - intel_uc_fw_type_repr(uc_fw->type), - intel_uc_fw_status_repr(uc_fw->fetch_status)); - - release_firmware(fw); - return; - -fail: - uc_fw->fetch_status = INTEL_UC_FIRMWARE_FAIL; - DRM_DEBUG_DRIVER("%s fw fetch %s\n", - intel_uc_fw_type_repr(uc_fw->type), - intel_uc_fw_status_repr(uc_fw->fetch_status)); - - DRM_WARN("%s: Failed to fetch firmware %s (error %d)\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err); - DRM_INFO("%s: Firmware can be downloaded from %s\n", - intel_uc_fw_type_repr(uc_fw->type), INTEL_UC_FIRMWARE_URL); - - release_firmware(fw); /* OK even if fw is NULL */ -} - -static void intel_uc_fw_ggtt_bind(struct intel_uc_fw *uc_fw) -{ - struct drm_i915_gem_object *obj = uc_fw->obj; - struct i915_ggtt *ggtt = &to_i915(obj->base.dev)->ggtt; - struct i915_vma dummy = { - .node.start = intel_uc_fw_ggtt_offset(uc_fw), - .node.size = obj->base.size, - .pages = obj->mm.pages, - .vm = &ggtt->vm, - }; - - GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj)); - GEM_BUG_ON(dummy.node.size > ggtt->uc_fw.size); - - /* uc_fw->obj cache domains were not controlled across suspend */ - drm_clflush_sg(dummy.pages); - - ggtt->vm.insert_entries(&ggtt->vm, &dummy, I915_CACHE_NONE, 0); -} - -static void intel_uc_fw_ggtt_unbind(struct intel_uc_fw *uc_fw) -{ - struct drm_i915_gem_object *obj = uc_fw->obj; - struct i915_ggtt *ggtt = &to_i915(obj->base.dev)->ggtt; - u64 start = intel_uc_fw_ggtt_offset(uc_fw); - - ggtt->vm.clear_range(&ggtt->vm, start, obj->base.size); -} - -/** - * intel_uc_fw_upload - load uC firmware using custom loader - * @uc_fw: uC firmware - * @xfer: custom uC firmware loader function - * - * Loads uC firmware using custom loader and updates internal flags. - * - * Return: 0 on success, non-zero on failure. - */ -int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, - int (*xfer)(struct intel_uc_fw *uc_fw)) -{ - int err; - - DRM_DEBUG_DRIVER("%s fw load %s\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path); - - if (uc_fw->fetch_status != INTEL_UC_FIRMWARE_SUCCESS) - return -ENOEXEC; - - uc_fw->load_status = INTEL_UC_FIRMWARE_PENDING; - DRM_DEBUG_DRIVER("%s fw load %s\n", - intel_uc_fw_type_repr(uc_fw->type), - intel_uc_fw_status_repr(uc_fw->load_status)); - - /* Call custom loader */ - intel_uc_fw_ggtt_bind(uc_fw); - err = xfer(uc_fw); - intel_uc_fw_ggtt_unbind(uc_fw); - if (err) - goto fail; - - uc_fw->load_status = INTEL_UC_FIRMWARE_SUCCESS; - DRM_DEBUG_DRIVER("%s fw load %s\n", - intel_uc_fw_type_repr(uc_fw->type), - intel_uc_fw_status_repr(uc_fw->load_status)); - - DRM_INFO("%s: Loaded firmware %s (version %u.%u)\n", - intel_uc_fw_type_repr(uc_fw->type), - uc_fw->path, - uc_fw->major_ver_found, uc_fw->minor_ver_found); - - return 0; - -fail: - uc_fw->load_status = INTEL_UC_FIRMWARE_FAIL; - DRM_DEBUG_DRIVER("%s fw load %s\n", - intel_uc_fw_type_repr(uc_fw->type), - intel_uc_fw_status_repr(uc_fw->load_status)); - - DRM_WARN("%s: Failed to load firmware %s (error %d)\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err); - - return err; -} - -int intel_uc_fw_init(struct intel_uc_fw *uc_fw) -{ - int err; - - if (uc_fw->fetch_status != INTEL_UC_FIRMWARE_SUCCESS) - return -ENOEXEC; - - err = i915_gem_object_pin_pages(uc_fw->obj); - if (err) - DRM_DEBUG_DRIVER("%s fw pin-pages err=%d\n", - intel_uc_fw_type_repr(uc_fw->type), err); - - return err; -} - -void intel_uc_fw_fini(struct intel_uc_fw *uc_fw) -{ - if (uc_fw->fetch_status != INTEL_UC_FIRMWARE_SUCCESS) - return; - - i915_gem_object_unpin_pages(uc_fw->obj); -} - -u32 intel_uc_fw_ggtt_offset(struct intel_uc_fw *uc_fw) -{ - struct drm_i915_private *i915 = to_i915(uc_fw->obj->base.dev); - struct i915_ggtt *ggtt = &i915->ggtt; - struct drm_mm_node *node = &ggtt->uc_fw; - - GEM_BUG_ON(!node->allocated); - GEM_BUG_ON(upper_32_bits(node->start)); - GEM_BUG_ON(upper_32_bits(node->start + node->size - 1)); - - return lower_32_bits(node->start); -} - -/** - * intel_uc_fw_cleanup_fetch - cleanup uC firmware - * - * @uc_fw: uC firmware - * - * Cleans up uC firmware by releasing the firmware GEM obj. - */ -void intel_uc_fw_cleanup_fetch(struct intel_uc_fw *uc_fw) -{ - struct drm_i915_gem_object *obj; - - obj = fetch_and_zero(&uc_fw->obj); - if (obj) - i915_gem_object_put(obj); - - uc_fw->fetch_status = INTEL_UC_FIRMWARE_NONE; -} - -/** - * intel_uc_fw_dump - dump information about uC firmware - * @uc_fw: uC firmware - * @p: the &drm_printer - * - * Pretty printer for uC firmware. - */ -void intel_uc_fw_dump(const struct intel_uc_fw *uc_fw, struct drm_printer *p) -{ - drm_printf(p, "%s firmware: %s\n", - intel_uc_fw_type_repr(uc_fw->type), uc_fw->path); - drm_printf(p, "\tstatus: fetch %s, load %s\n", - intel_uc_fw_status_repr(uc_fw->fetch_status), - intel_uc_fw_status_repr(uc_fw->load_status)); - drm_printf(p, "\tversion: wanted %u.%u, found %u.%u\n", - uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted, - uc_fw->major_ver_found, uc_fw->minor_ver_found); - drm_printf(p, "\theader: offset %u, size %u\n", - uc_fw->header_offset, uc_fw->header_size); - drm_printf(p, "\tuCode: offset %u, size %u\n", - uc_fw->ucode_offset, uc_fw->ucode_size); - drm_printf(p, "\tRSA: offset %u, size %u\n", - uc_fw->rsa_offset, uc_fw->rsa_size); -} diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index da33aa672c3d..475ab3d4d91d 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -78,6 +78,8 @@ fw_domain_reset(const struct intel_uncore_forcewake_domain *d) static inline void fw_domain_arm_timer(struct intel_uncore_forcewake_domain *d) { + GEM_BUG_ON(d->uncore->fw_domains_timer & d->mask); + d->uncore->fw_domains_timer |= d->mask; d->wake_count++; hrtimer_start_range_ns(&d->timer, NSEC_PER_MSEC, @@ -322,7 +324,7 @@ static void __gen6_gt_wait_for_fifo(struct intel_uncore *uncore) /* On VLV, FIFO will be shared by both SW and HW. * So, we need to read the FREE_ENTRIES everytime */ - if (IS_VALLEYVIEW(uncore_to_i915(uncore))) + if (IS_VALLEYVIEW(uncore->i915)) n = fifo_free_entries(uncore); else n = uncore->fifo_count; @@ -344,7 +346,7 @@ intel_uncore_fw_release_timer(struct hrtimer *timer) { struct intel_uncore_forcewake_domain *domain = container_of(timer, struct intel_uncore_forcewake_domain, timer); - struct intel_uncore *uncore = forcewake_domain_to_uncore(domain); + struct intel_uncore *uncore = domain->uncore; unsigned long irqflags; assert_rpm_device_not_suspended(uncore->rpm); @@ -353,9 +355,10 @@ intel_uncore_fw_release_timer(struct hrtimer *timer) return HRTIMER_RESTART; spin_lock_irqsave(&uncore->lock, irqflags); - if (WARN_ON(domain->wake_count == 0)) - domain->wake_count++; + uncore->fw_domains_timer &= ~domain->mask; + + GEM_BUG_ON(!domain->wake_count); if (--domain->wake_count == 0) uncore->funcs.force_wake_put(uncore, domain->mask); @@ -485,15 +488,13 @@ check_for_unclaimed_mmio(struct intel_uncore *uncore) return ret; } -static void __intel_uncore_early_sanitize(struct intel_uncore *uncore, - unsigned int restore_forcewake) +static void forcewake_early_sanitize(struct intel_uncore *uncore, + unsigned int restore_forcewake) { - /* clear out unclaimed reg detection bit */ - if (check_for_unclaimed_mmio(uncore)) - DRM_DEBUG("unclaimed mmio detected on uncore init, clearing\n"); + GEM_BUG_ON(!intel_uncore_has_forcewake(uncore)); /* WaDisableShadowRegForCpd:chv */ - if (IS_CHERRYVIEW(uncore_to_i915(uncore))) { + if (IS_CHERRYVIEW(uncore->i915)) { __raw_uncore_write32(uncore, GTFIFOCTL, __raw_uncore_read32(uncore, GTFIFOCTL) | GT_FIFO_CTL_BLOCK_ALL_POLICY_STALL | @@ -515,6 +516,9 @@ static void __intel_uncore_early_sanitize(struct intel_uncore *uncore, void intel_uncore_suspend(struct intel_uncore *uncore) { + if (!intel_uncore_has_forcewake(uncore)) + return; + iosf_mbi_punit_acquire(); iosf_mbi_unregister_pmic_bus_access_notifier_unlocked( &uncore->pmic_bus_access_nb); @@ -526,21 +530,24 @@ void intel_uncore_resume_early(struct intel_uncore *uncore) { unsigned int restore_forcewake; + if (intel_uncore_unclaimed_mmio(uncore)) + DRM_DEBUG("unclaimed mmio detected on resume, clearing\n"); + + if (!intel_uncore_has_forcewake(uncore)) + return; + restore_forcewake = fetch_and_zero(&uncore->fw_domains_saved); - __intel_uncore_early_sanitize(uncore, restore_forcewake); + forcewake_early_sanitize(uncore, restore_forcewake); iosf_mbi_register_pmic_bus_access_notifier(&uncore->pmic_bus_access_nb); } void intel_uncore_runtime_resume(struct intel_uncore *uncore) { - iosf_mbi_register_pmic_bus_access_notifier(&uncore->pmic_bus_access_nb); -} + if (!intel_uncore_has_forcewake(uncore)) + return; -void intel_uncore_sanitize(struct drm_i915_private *dev_priv) -{ - /* BIOS often leaves RC6 enabled, but disable it for hw init */ - intel_sanitize_gt_powersave(dev_priv); + iosf_mbi_register_pmic_bus_access_notifier(&uncore->pmic_bus_access_nb); } static void __intel_uncore_forcewake_get(struct intel_uncore *uncore, @@ -628,7 +635,7 @@ void intel_uncore_forcewake_user_put(struct intel_uncore *uncore) spin_lock_irq(&uncore->lock); if (!--uncore->user_forcewake.count) { if (intel_uncore_unclaimed_mmio(uncore)) - dev_info(uncore_to_i915(uncore)->drm.dev, + dev_info(uncore->i915->drm.dev, "Invalid mmio detected during user access\n"); uncore->unclaimed_mmio_check = @@ -669,8 +676,7 @@ static void __intel_uncore_forcewake_put(struct intel_uncore *uncore, fw_domains &= uncore->fw_domains; for_each_fw_domain_masked(domain, fw_domains, uncore, tmp) { - if (WARN_ON(domain->wake_count == 0)) - continue; + GEM_BUG_ON(!domain->wake_count); if (--domain->wake_count) { domain->active = true; @@ -734,15 +740,42 @@ void assert_forcewakes_inactive(struct intel_uncore *uncore) void assert_forcewakes_active(struct intel_uncore *uncore, enum forcewake_domains fw_domains) { + struct intel_uncore_forcewake_domain *domain; + unsigned int tmp; + + if (!IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)) + return; + if (!uncore->funcs.force_wake_get) return; + spin_lock_irq(&uncore->lock); + assert_rpm_wakelock_held(uncore->rpm); fw_domains &= uncore->fw_domains; WARN(fw_domains & ~uncore->fw_domains_active, "Expected %08x fw_domains to be active, but %08x are off\n", fw_domains, fw_domains & ~uncore->fw_domains_active); + + /* + * Check that the caller has an explicit wakeref and we don't mistake + * it for the auto wakeref. + */ + for_each_fw_domain_masked(domain, fw_domains, uncore, tmp) { + unsigned int actual = READ_ONCE(domain->wake_count); + unsigned int expect = 1; + + if (uncore->fw_domains_timer & domain->mask) + expect++; /* pending automatic release */ + + if (WARN(actual < expect, + "Expected domain %d to be held awake by caller, count=%d\n", + domain->id, actual)) + break; + } + + spin_unlock_irq(&uncore->lock); } /* We give fast paths for the really cool registers */ @@ -901,6 +934,12 @@ static bool is_gen##x##_shadowed(u32 offset) \ __is_genX_shadowed(8) __is_genX_shadowed(11) +static enum forcewake_domains +gen6_reg_write_fw_domains(struct intel_uncore *uncore, i915_reg_t reg) +{ + return FORCEWAKE_RENDER; +} + #define __gen8_reg_write_fw_domains(uncore, offset) \ ({ \ enum forcewake_domains __fwd; \ @@ -1123,8 +1162,7 @@ static noinline void ___force_wake_auto(struct intel_uncore *uncore, static inline void __force_wake_auto(struct intel_uncore *uncore, enum forcewake_domains fw_domains) { - if (WARN_ON(!fw_domains)) - return; + GEM_BUG_ON(!fw_domains); /* Turn on all requested but inactive supported forcewake domains. */ fw_domains &= uncore->fw_domains; @@ -1145,26 +1183,23 @@ func##_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { \ val = __raw_uncore_read##x(uncore, reg); \ GEN6_READ_FOOTER; \ } -#define __gen6_read(x) __gen_read(gen6, x) -#define __fwtable_read(x) __gen_read(fwtable, x) -#define __gen11_fwtable_read(x) __gen_read(gen11_fwtable, x) - -__gen11_fwtable_read(8) -__gen11_fwtable_read(16) -__gen11_fwtable_read(32) -__gen11_fwtable_read(64) -__fwtable_read(8) -__fwtable_read(16) -__fwtable_read(32) -__fwtable_read(64) -__gen6_read(8) -__gen6_read(16) -__gen6_read(32) -__gen6_read(64) - -#undef __gen11_fwtable_read -#undef __fwtable_read -#undef __gen6_read + +#define __gen_reg_read_funcs(func) \ +static enum forcewake_domains \ +func##_reg_read_fw_domains(struct intel_uncore *uncore, i915_reg_t reg) { \ + return __##func##_reg_read_fw_domains(uncore, i915_mmio_reg_offset(reg)); \ +} \ +\ +__gen_read(func, 8) \ +__gen_read(func, 16) \ +__gen_read(func, 32) \ +__gen_read(func, 64) + +__gen_reg_read_funcs(gen11_fwtable); +__gen_reg_read_funcs(fwtable); +__gen_reg_read_funcs(gen6); + +#undef __gen_reg_read_funcs #undef GEN6_READ_FOOTER #undef GEN6_READ_HEADER @@ -1225,6 +1260,9 @@ gen6_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) __raw_uncore_write##x(uncore, reg, val); \ GEN6_WRITE_FOOTER; \ } +__gen6_write(8) +__gen6_write(16) +__gen6_write(32) #define __gen_write(func, x) \ static void \ @@ -1237,38 +1275,33 @@ func##_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trac __raw_uncore_write##x(uncore, reg, val); \ GEN6_WRITE_FOOTER; \ } -#define __gen8_write(x) __gen_write(gen8, x) -#define __fwtable_write(x) __gen_write(fwtable, x) -#define __gen11_fwtable_write(x) __gen_write(gen11_fwtable, x) - -__gen11_fwtable_write(8) -__gen11_fwtable_write(16) -__gen11_fwtable_write(32) -__fwtable_write(8) -__fwtable_write(16) -__fwtable_write(32) -__gen8_write(8) -__gen8_write(16) -__gen8_write(32) -__gen6_write(8) -__gen6_write(16) -__gen6_write(32) -#undef __gen11_fwtable_write -#undef __fwtable_write -#undef __gen8_write -#undef __gen6_write +#define __gen_reg_write_funcs(func) \ +static enum forcewake_domains \ +func##_reg_write_fw_domains(struct intel_uncore *uncore, i915_reg_t reg) { \ + return __##func##_reg_write_fw_domains(uncore, i915_mmio_reg_offset(reg)); \ +} \ +\ +__gen_write(func, 8) \ +__gen_write(func, 16) \ +__gen_write(func, 32) + +__gen_reg_write_funcs(gen11_fwtable); +__gen_reg_write_funcs(fwtable); +__gen_reg_write_funcs(gen8); + +#undef __gen_reg_write_funcs #undef GEN6_WRITE_FOOTER #undef GEN6_WRITE_HEADER -#define ASSIGN_WRITE_MMIO_VFUNCS(uncore, x) \ +#define ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, x) \ do { \ (uncore)->funcs.mmio_writeb = x##_write8; \ (uncore)->funcs.mmio_writew = x##_write16; \ (uncore)->funcs.mmio_writel = x##_write32; \ } while (0) -#define ASSIGN_READ_MMIO_VFUNCS(uncore, x) \ +#define ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, x) \ do { \ (uncore)->funcs.mmio_readb = x##_read8; \ (uncore)->funcs.mmio_readw = x##_read16; \ @@ -1276,24 +1309,39 @@ do { \ (uncore)->funcs.mmio_readq = x##_read64; \ } while (0) +#define ASSIGN_WRITE_MMIO_VFUNCS(uncore, x) \ +do { \ + ASSIGN_RAW_WRITE_MMIO_VFUNCS((uncore), x); \ + (uncore)->funcs.write_fw_domains = x##_reg_write_fw_domains; \ +} while (0) + +#define ASSIGN_READ_MMIO_VFUNCS(uncore, x) \ +do { \ + ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, x); \ + (uncore)->funcs.read_fw_domains = x##_reg_read_fw_domains; \ +} while (0) -static void fw_domain_init(struct intel_uncore *uncore, - enum forcewake_domain_id domain_id, - i915_reg_t reg_set, - i915_reg_t reg_ack) +static int __fw_domain_init(struct intel_uncore *uncore, + enum forcewake_domain_id domain_id, + i915_reg_t reg_set, + i915_reg_t reg_ack) { struct intel_uncore_forcewake_domain *d; - if (WARN_ON(domain_id >= FW_DOMAIN_ID_COUNT)) - return; + GEM_BUG_ON(domain_id >= FW_DOMAIN_ID_COUNT); + GEM_BUG_ON(uncore->fw_domain[domain_id]); - d = &uncore->fw_domain[domain_id]; + if (i915_inject_probe_failure()) + return -ENOMEM; - WARN_ON(d->wake_count); + d = kzalloc(sizeof(*d), GFP_KERNEL); + if (!d) + return -ENOMEM; WARN_ON(!i915_mmio_reg_valid(reg_set)); WARN_ON(!i915_mmio_reg_valid(reg_ack)); + d->uncore = uncore; d->wake_count = 0; d->reg_set = uncore->regs + i915_mmio_reg_offset(reg_set); d->reg_ack = uncore->regs + i915_mmio_reg_offset(reg_ack); @@ -1310,7 +1358,6 @@ static void fw_domain_init(struct intel_uncore *uncore, BUILD_BUG_ON(FORCEWAKE_MEDIA_VEBOX0 != (1 << FW_DOMAIN_ID_MEDIA_VEBOX0)); BUILD_BUG_ON(FORCEWAKE_MEDIA_VEBOX1 != (1 << FW_DOMAIN_ID_MEDIA_VEBOX1)); - d->mask = BIT(domain_id); hrtimer_init(&d->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); @@ -1319,6 +1366,10 @@ static void fw_domain_init(struct intel_uncore *uncore, uncore->fw_domains |= BIT(domain_id); fw_domain_reset(d); + + uncore->fw_domain[domain_id] = d; + + return 0; } static void fw_domain_fini(struct intel_uncore *uncore, @@ -1326,30 +1377,41 @@ static void fw_domain_fini(struct intel_uncore *uncore, { struct intel_uncore_forcewake_domain *d; - if (WARN_ON(domain_id >= FW_DOMAIN_ID_COUNT)) - return; + GEM_BUG_ON(domain_id >= FW_DOMAIN_ID_COUNT); - d = &uncore->fw_domain[domain_id]; + d = fetch_and_zero(&uncore->fw_domain[domain_id]); + if (!d) + return; + uncore->fw_domains &= ~BIT(domain_id); WARN_ON(d->wake_count); WARN_ON(hrtimer_cancel(&d->timer)); - memset(d, 0, sizeof(*d)); + kfree(d); +} - uncore->fw_domains &= ~BIT(domain_id); +static void intel_uncore_fw_domains_fini(struct intel_uncore *uncore) +{ + struct intel_uncore_forcewake_domain *d; + int tmp; + + for_each_fw_domain(d, uncore, tmp) + fw_domain_fini(uncore, d->id); } -static void intel_uncore_fw_domains_init(struct intel_uncore *uncore) +static int intel_uncore_fw_domains_init(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); + struct drm_i915_private *i915 = uncore->i915; + int ret = 0; - if (!intel_uncore_has_forcewake(uncore)) - return; + GEM_BUG_ON(!intel_uncore_has_forcewake(uncore)); + +#define fw_domain_init(uncore__, id__, set__, ack__) \ + (ret ?: (ret = __fw_domain_init((uncore__), (id__), (set__), (ack__)))) if (INTEL_GEN(i915) >= 11) { int i; - uncore->funcs.force_wake_get = - fw_domains_get_with_fallback; + uncore->funcs.force_wake_get = fw_domains_get_with_fallback; uncore->funcs.force_wake_put = fw_domains_put; fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, FORCEWAKE_RENDER_GEN9, @@ -1357,6 +1419,7 @@ static void intel_uncore_fw_domains_init(struct intel_uncore *uncore) fw_domain_init(uncore, FW_DOMAIN_ID_BLITTER, FORCEWAKE_BLITTER_GEN9, FORCEWAKE_ACK_BLITTER_GEN9); + for (i = 0; i < I915_MAX_VCS; i++) { if (!HAS_ENGINE(i915, _VCS(i))) continue; @@ -1374,8 +1437,7 @@ static void intel_uncore_fw_domains_init(struct intel_uncore *uncore) FORCEWAKE_ACK_MEDIA_VEBOX_GEN11(i)); } } else if (IS_GEN_RANGE(i915, 9, 10)) { - uncore->funcs.force_wake_get = - fw_domains_get_with_fallback; + uncore->funcs.force_wake_get = fw_domains_get_with_fallback; uncore->funcs.force_wake_put = fw_domains_put; fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, FORCEWAKE_RENDER_GEN9, @@ -1424,8 +1486,10 @@ static void intel_uncore_fw_domains_init(struct intel_uncore *uncore) __raw_uncore_write32(uncore, FORCEWAKE, 0); __raw_posting_read(uncore, ECOBUS); - fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, - FORCEWAKE_MT, FORCEWAKE_MT_ACK); + ret = __fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, + FORCEWAKE_MT, FORCEWAKE_MT_ACK); + if (ret) + goto out; spin_lock_irq(&uncore->lock); fw_domains_get_with_thread_status(uncore, FORCEWAKE_RENDER); @@ -1436,6 +1500,7 @@ static void intel_uncore_fw_domains_init(struct intel_uncore *uncore) if (!(ecobus & FORCEWAKE_MT_ENABLE)) { DRM_INFO("No MT forcewake available on Ivybridge, this can result in issues\n"); DRM_INFO("when using vblank-synced partial screen updates.\n"); + fw_domain_fini(uncore, FW_DOMAIN_ID_RENDER); fw_domain_init(uncore, FW_DOMAIN_ID_RENDER, FORCEWAKE, FORCEWAKE_ACK); } @@ -1447,8 +1512,16 @@ static void intel_uncore_fw_domains_init(struct intel_uncore *uncore) FORCEWAKE, FORCEWAKE_ACK); } +#undef fw_domain_init + /* All future platforms are expected to require complex power gating */ - WARN_ON(uncore->fw_domains == 0); + WARN_ON(!ret && uncore->fw_domains == 0); + +out: + if (ret) + intel_uncore_fw_domains_fini(uncore); + + return ret; } #define ASSIGN_FW_DOMAINS_TABLE(uncore, d) \ @@ -1493,7 +1566,7 @@ static int i915_pmic_bus_access_notifier(struct notifier_block *nb, static int uncore_mmio_setup(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); + struct drm_i915_private *i915 = uncore->i915; struct pci_dev *pdev = i915->drm.pdev; int mmio_bar; int mmio_size; @@ -1523,49 +1596,46 @@ static int uncore_mmio_setup(struct intel_uncore *uncore) static void uncore_mmio_cleanup(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); - struct pci_dev *pdev = i915->drm.pdev; + struct pci_dev *pdev = uncore->i915->drm.pdev; pci_iounmap(pdev, uncore->regs); } -void intel_uncore_init_early(struct intel_uncore *uncore) +void intel_uncore_init_early(struct intel_uncore *uncore, + struct drm_i915_private *i915) { spin_lock_init(&uncore->lock); + uncore->i915 = i915; + uncore->rpm = &i915->runtime_pm; } -int intel_uncore_init_mmio(struct intel_uncore *uncore) +static void uncore_raw_init(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); - int ret; + GEM_BUG_ON(intel_uncore_has_forcewake(uncore)); - ret = uncore_mmio_setup(uncore); - if (ret) - return ret; - - i915_check_vgpu(i915); + if (IS_GEN(uncore->i915, 5)) { + ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, gen5); + ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, gen5); + } else { + ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, gen2); + ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, gen2); + } +} - if (INTEL_GEN(i915) > 5 && !intel_vgpu_active(i915)) - uncore->flags |= UNCORE_HAS_FORCEWAKE; +static int uncore_forcewake_init(struct intel_uncore *uncore) +{ + struct drm_i915_private *i915 = uncore->i915; + int ret; - intel_uncore_fw_domains_init(uncore); - __intel_uncore_early_sanitize(uncore, 0); + GEM_BUG_ON(!intel_uncore_has_forcewake(uncore)); - uncore->unclaimed_mmio_check = 1; - uncore->pmic_bus_access_nb.notifier_call = - i915_pmic_bus_access_notifier; + ret = intel_uncore_fw_domains_init(uncore); + if (ret) + return ret; - uncore->rpm = &i915->runtime_pm; + forcewake_early_sanitize(uncore, 0); - if (!intel_uncore_has_forcewake(uncore)) { - if (IS_GEN(i915, 5)) { - ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen5); - ASSIGN_READ_MMIO_VFUNCS(uncore, gen5); - } else { - ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen2); - ASSIGN_READ_MMIO_VFUNCS(uncore, gen2); - } - } else if (IS_GEN_RANGE(i915, 6, 7)) { + if (IS_GEN_RANGE(i915, 6, 7)) { ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen6); if (IS_VALLEYVIEW(i915)) { @@ -1579,7 +1649,6 @@ int intel_uncore_init_mmio(struct intel_uncore *uncore) ASSIGN_FW_DOMAINS_TABLE(uncore, __chv_fw_ranges); ASSIGN_WRITE_MMIO_VFUNCS(uncore, fwtable); ASSIGN_READ_MMIO_VFUNCS(uncore, fwtable); - } else { ASSIGN_WRITE_MMIO_VFUNCS(uncore, gen8); ASSIGN_READ_MMIO_VFUNCS(uncore, gen6); @@ -1594,6 +1663,40 @@ int intel_uncore_init_mmio(struct intel_uncore *uncore) ASSIGN_READ_MMIO_VFUNCS(uncore, gen11_fwtable); } + uncore->pmic_bus_access_nb.notifier_call = i915_pmic_bus_access_notifier; + iosf_mbi_register_pmic_bus_access_notifier(&uncore->pmic_bus_access_nb); + + return 0; +} + +int intel_uncore_init_mmio(struct intel_uncore *uncore) +{ + struct drm_i915_private *i915 = uncore->i915; + int ret; + + ret = uncore_mmio_setup(uncore); + if (ret) + return ret; + + if (INTEL_GEN(i915) > 5 && !intel_vgpu_active(i915)) + uncore->flags |= UNCORE_HAS_FORCEWAKE; + + uncore->unclaimed_mmio_check = 1; + + if (!intel_uncore_has_forcewake(uncore)) { + uncore_raw_init(uncore); + } else { + ret = uncore_forcewake_init(uncore); + if (ret) + goto out_mmio_cleanup; + } + + /* make sure fw funcs are set if and only if we have fw*/ + GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.force_wake_get); + GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.force_wake_put); + GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.read_fw_domains); + GEM_BUG_ON(intel_uncore_has_forcewake(uncore) != !!uncore->funcs.write_fw_domains); + if (HAS_FPGA_DBG_UNCLAIMED(i915)) uncore->flags |= UNCORE_HAS_FPGA_DBG_UNCLAIMED; @@ -1603,9 +1706,16 @@ int intel_uncore_init_mmio(struct intel_uncore *uncore) if (IS_GEN_RANGE(i915, 6, 7)) uncore->flags |= UNCORE_HAS_FIFO; - iosf_mbi_register_pmic_bus_access_notifier(&uncore->pmic_bus_access_nb); + /* clear out unclaimed reg detection bit */ + if (check_for_unclaimed_mmio(uncore)) + DRM_DEBUG("unclaimed mmio detected on uncore init, clearing\n"); return 0; + +out_mmio_cleanup: + uncore_mmio_cleanup(uncore); + + return ret; } /* @@ -1615,45 +1725,46 @@ int intel_uncore_init_mmio(struct intel_uncore *uncore) */ void intel_uncore_prune_mmio_domains(struct intel_uncore *uncore) { - struct drm_i915_private *i915 = uncore_to_i915(uncore); + struct drm_i915_private *i915 = uncore->i915; + enum forcewake_domains fw_domains = uncore->fw_domains; + enum forcewake_domain_id domain_id; + int i; - if (INTEL_GEN(i915) >= 11) { - enum forcewake_domains fw_domains = uncore->fw_domains; - enum forcewake_domain_id domain_id; - int i; + if (!intel_uncore_has_forcewake(uncore) || INTEL_GEN(i915) < 11) + return; - for (i = 0; i < I915_MAX_VCS; i++) { - domain_id = FW_DOMAIN_ID_MEDIA_VDBOX0 + i; + for (i = 0; i < I915_MAX_VCS; i++) { + domain_id = FW_DOMAIN_ID_MEDIA_VDBOX0 + i; - if (HAS_ENGINE(i915, _VCS(i))) - continue; + if (HAS_ENGINE(i915, _VCS(i))) + continue; - if (fw_domains & BIT(domain_id)) - fw_domain_fini(uncore, domain_id); - } + if (fw_domains & BIT(domain_id)) + fw_domain_fini(uncore, domain_id); + } - for (i = 0; i < I915_MAX_VECS; i++) { - domain_id = FW_DOMAIN_ID_MEDIA_VEBOX0 + i; + for (i = 0; i < I915_MAX_VECS; i++) { + domain_id = FW_DOMAIN_ID_MEDIA_VEBOX0 + i; - if (HAS_ENGINE(i915, _VECS(i))) - continue; + if (HAS_ENGINE(i915, _VECS(i))) + continue; - if (fw_domains & BIT(domain_id)) - fw_domain_fini(uncore, domain_id); - } + if (fw_domains & BIT(domain_id)) + fw_domain_fini(uncore, domain_id); } } void intel_uncore_fini_mmio(struct intel_uncore *uncore) { - /* Paranoia: make sure we have disabled everything before we exit. */ - intel_uncore_sanitize(uncore_to_i915(uncore)); + if (intel_uncore_has_forcewake(uncore)) { + iosf_mbi_punit_acquire(); + iosf_mbi_unregister_pmic_bus_access_notifier_unlocked( + &uncore->pmic_bus_access_nb); + intel_uncore_forcewake_reset(uncore); + intel_uncore_fw_domains_fini(uncore); + iosf_mbi_punit_release(); + } - iosf_mbi_punit_acquire(); - iosf_mbi_unregister_pmic_bus_access_notifier_unlocked( - &uncore->pmic_bus_access_nb); - intel_uncore_forcewake_reset(uncore); - iosf_mbi_punit_release(); uncore_mmio_cleanup(uncore); } @@ -1871,62 +1982,6 @@ out: return ret; } -static enum forcewake_domains -intel_uncore_forcewake_for_read(struct intel_uncore *uncore, - i915_reg_t reg) -{ - struct drm_i915_private *i915 = uncore_to_i915(uncore); - u32 offset = i915_mmio_reg_offset(reg); - enum forcewake_domains fw_domains; - - if (INTEL_GEN(i915) >= 11) { - fw_domains = __gen11_fwtable_reg_read_fw_domains(uncore, offset); - } else if (HAS_FWTABLE(i915)) { - fw_domains = __fwtable_reg_read_fw_domains(uncore, offset); - } else if (INTEL_GEN(i915) >= 6) { - fw_domains = __gen6_reg_read_fw_domains(uncore, offset); - } else { - /* on devices with FW we expect to hit one of the above cases */ - if (intel_uncore_has_forcewake(uncore)) - MISSING_CASE(INTEL_GEN(i915)); - - fw_domains = 0; - } - - WARN_ON(fw_domains & ~uncore->fw_domains); - - return fw_domains; -} - -static enum forcewake_domains -intel_uncore_forcewake_for_write(struct intel_uncore *uncore, - i915_reg_t reg) -{ - struct drm_i915_private *i915 = uncore_to_i915(uncore); - u32 offset = i915_mmio_reg_offset(reg); - enum forcewake_domains fw_domains; - - if (INTEL_GEN(i915) >= 11) { - fw_domains = __gen11_fwtable_reg_write_fw_domains(uncore, offset); - } else if (HAS_FWTABLE(i915) && !IS_VALLEYVIEW(i915)) { - fw_domains = __fwtable_reg_write_fw_domains(uncore, offset); - } else if (IS_GEN(i915, 8)) { - fw_domains = __gen8_reg_write_fw_domains(uncore, offset); - } else if (IS_GEN_RANGE(i915, 6, 7)) { - fw_domains = FORCEWAKE_RENDER; - } else { - /* on devices with FW we expect to hit one of the above cases */ - if (intel_uncore_has_forcewake(uncore)) - MISSING_CASE(INTEL_GEN(i915)); - - fw_domains = 0; - } - - WARN_ON(fw_domains & ~uncore->fw_domains); - - return fw_domains; -} - /** * intel_uncore_forcewake_for_reg - which forcewake domains are needed to access * a register @@ -1953,10 +2008,12 @@ intel_uncore_forcewake_for_reg(struct intel_uncore *uncore, return 0; if (op & FW_REG_READ) - fw_domains = intel_uncore_forcewake_for_read(uncore, reg); + fw_domains = uncore->funcs.read_fw_domains(uncore, reg); if (op & FW_REG_WRITE) - fw_domains |= intel_uncore_forcewake_for_write(uncore, reg); + fw_domains |= uncore->funcs.write_fw_domains(uncore, reg); + + WARN_ON(fw_domains & ~uncore->fw_domains); return fw_domains; } diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h index 804a0faacc91..2f6ffa309669 100644 --- a/drivers/gpu/drm/i915/intel_uncore.h +++ b/drivers/gpu/drm/i915/intel_uncore.h @@ -70,6 +70,11 @@ struct intel_uncore_funcs { void (*force_wake_put)(struct intel_uncore *uncore, enum forcewake_domains domains); + enum forcewake_domains (*read_fw_domains)(struct intel_uncore *uncore, + i915_reg_t r); + enum forcewake_domains (*write_fw_domains)(struct intel_uncore *uncore, + i915_reg_t r); + u8 (*mmio_readb)(struct intel_uncore *uncore, i915_reg_t r, bool trace); u16 (*mmio_readw)(struct intel_uncore *uncore, @@ -97,6 +102,7 @@ struct intel_forcewake_range { struct intel_uncore { void __iomem *regs; + struct drm_i915_private *i915; struct intel_runtime_pm *rpm; spinlock_t lock; /** lock is also taken in irq contexts. */ @@ -117,9 +123,11 @@ struct intel_uncore { enum forcewake_domains fw_domains; enum forcewake_domains fw_domains_active; + enum forcewake_domains fw_domains_timer; enum forcewake_domains fw_domains_saved; /* user domains saved for S3 */ struct intel_uncore_forcewake_domain { + struct intel_uncore *uncore; enum forcewake_domain_id id; enum forcewake_domains mask; unsigned int wake_count; @@ -127,7 +135,7 @@ struct intel_uncore { struct hrtimer timer; u32 __iomem *reg_set; u32 __iomem *reg_ack; - } fw_domain[FW_DOMAIN_ID_COUNT]; + } *fw_domain[FW_DOMAIN_ID_COUNT]; struct { unsigned int count; @@ -141,18 +149,12 @@ struct intel_uncore { /* Iterate over initialised fw domains */ #define for_each_fw_domain_masked(domain__, mask__, uncore__, tmp__) \ - for (tmp__ = (mask__); \ - tmp__ ? (domain__ = &(uncore__)->fw_domain[__mask_next_bit(tmp__)]), 1 : 0;) + for (tmp__ = (mask__); tmp__ ;) \ + for_each_if(domain__ = (uncore__)->fw_domain[__mask_next_bit(tmp__)]) #define for_each_fw_domain(domain__, uncore__, tmp__) \ for_each_fw_domain_masked(domain__, (uncore__)->fw_domains, uncore__, tmp__) -static inline struct intel_uncore * -forcewake_domain_to_uncore(const struct intel_uncore_forcewake_domain *d) -{ - return container_of(d, struct intel_uncore, fw_domain[d->id]); -} - static inline bool intel_uncore_has_forcewake(const struct intel_uncore *uncore) { @@ -177,8 +179,8 @@ intel_uncore_has_fifo(const struct intel_uncore *uncore) return uncore->flags & UNCORE_HAS_FIFO; } -void intel_uncore_sanitize(struct drm_i915_private *dev_priv); -void intel_uncore_init_early(struct intel_uncore *uncore); +void intel_uncore_init_early(struct intel_uncore *uncore, + struct drm_i915_private *i915); int intel_uncore_init_mmio(struct intel_uncore *uncore); void intel_uncore_prune_mmio_domains(struct intel_uncore *uncore); bool intel_uncore_unclaimed_mmio(struct intel_uncore *uncore); diff --git a/drivers/gpu/drm/i915/intel_wakeref.c b/drivers/gpu/drm/i915/intel_wakeref.c index 3db6fa682823..06bd8b215cc2 100644 --- a/drivers/gpu/drm/i915/intel_wakeref.c +++ b/drivers/gpu/drm/i915/intel_wakeref.c @@ -5,7 +5,7 @@ */ #include "intel_runtime_pm.h" -#include "i915_gem.h" +#include "intel_wakeref.h" static void rpm_get(struct intel_runtime_pm *rpm, struct intel_wakeref *wf) { @@ -17,7 +17,7 @@ static void rpm_put(struct intel_runtime_pm *rpm, struct intel_wakeref *wf) intel_wakeref_t wakeref = fetch_and_zero(&wf->wakeref); intel_runtime_pm_put(rpm, wakeref); - GEM_BUG_ON(!wakeref); + INTEL_WAKEREF_BUG_ON(!wakeref); } int __intel_wakeref_get_first(struct intel_runtime_pm *rpm, @@ -48,6 +48,7 @@ int __intel_wakeref_get_first(struct intel_runtime_pm *rpm, atomic_inc(&wf->count); mutex_unlock(&wf->mutex); + INTEL_WAKEREF_BUG_ON(atomic_read(&wf->count) <= 0); return 0; } @@ -115,7 +116,7 @@ void intel_wakeref_auto(struct intel_wakeref_auto *wf, unsigned long timeout) if (!refcount_inc_not_zero(&wf->count)) { spin_lock_irqsave(&wf->lock, flags); if (!refcount_inc_not_zero(&wf->count)) { - GEM_BUG_ON(wf->wakeref); + INTEL_WAKEREF_BUG_ON(wf->wakeref); wf->wakeref = intel_runtime_pm_get_if_in_use(wf->rpm); refcount_set(&wf->count, 1); } @@ -134,5 +135,5 @@ void intel_wakeref_auto(struct intel_wakeref_auto *wf, unsigned long timeout) void intel_wakeref_auto_fini(struct intel_wakeref_auto *wf) { intel_wakeref_auto(wf, 0); - GEM_BUG_ON(wf->wakeref); + INTEL_WAKEREF_BUG_ON(wf->wakeref); } diff --git a/drivers/gpu/drm/i915/intel_wakeref.h b/drivers/gpu/drm/i915/intel_wakeref.h index 38275310b196..1d6f5986e4e5 100644 --- a/drivers/gpu/drm/i915/intel_wakeref.h +++ b/drivers/gpu/drm/i915/intel_wakeref.h @@ -13,6 +13,12 @@ #include <linux/stackdepot.h> #include <linux/timer.h> +#if IS_ENABLED(CONFIG_DRM_I915_DEBUG) +#define INTEL_WAKEREF_BUG_ON(expr) BUG_ON(expr) +#else +#define INTEL_WAKEREF_BUG_ON(expr) BUILD_BUG_ON_INVALID(expr) +#endif + struct intel_runtime_pm; typedef depot_stack_handle_t intel_wakeref_t; @@ -101,6 +107,7 @@ intel_wakeref_put(struct intel_runtime_pm *rpm, struct intel_wakeref *wf, int (*fn)(struct intel_wakeref *wf)) { + INTEL_WAKEREF_BUG_ON(atomic_read(&wf->count) <= 0); if (atomic_dec_and_mutex_lock(&wf->count, &wf->mutex)) return __intel_wakeref_put_last(rpm, wf, fn); @@ -136,13 +143,13 @@ intel_wakeref_unlock(struct intel_wakeref *wf) } /** - * intel_wakeref_active: Query whether the wakeref is currently held + * intel_wakeref_is_active: Query whether the wakeref is currently held * @wf: the wakeref * * Returns: true if the wakeref is currently held. */ static inline bool -intel_wakeref_active(struct intel_wakeref *wf) +intel_wakeref_is_active(const struct intel_wakeref *wf) { return READ_ONCE(wf->wakeref); } diff --git a/drivers/gpu/drm/i915/intel_wopcm.c b/drivers/gpu/drm/i915/intel_wopcm.c index 7b4ba84b9fb8..0e86a9e85b49 100644 --- a/drivers/gpu/drm/i915/intel_wopcm.c +++ b/drivers/gpu/drm/i915/intel_wopcm.c @@ -74,7 +74,7 @@ void intel_wopcm_init_early(struct intel_wopcm *wopcm) { struct drm_i915_private *i915 = wopcm_to_i915(wopcm); - if (!HAS_GUC(i915)) + if (!HAS_GT_UC(i915)) return; if (INTEL_GEN(i915) >= 11) @@ -164,8 +164,8 @@ static inline int check_hw_restriction(struct drm_i915_private *i915, int intel_wopcm_init(struct intel_wopcm *wopcm) { struct drm_i915_private *i915 = wopcm_to_i915(wopcm); - u32 guc_fw_size = intel_uc_fw_get_upload_size(&i915->guc.fw); - u32 huc_fw_size = intel_uc_fw_get_upload_size(&i915->huc.fw); + u32 guc_fw_size = intel_uc_fw_get_upload_size(&i915->gt.uc.guc.fw); + u32 huc_fw_size = intel_uc_fw_get_upload_size(&i915->gt.uc.huc.fw); u32 ctx_rsvd = context_reserved_size(i915); u32 guc_wopcm_base; u32 guc_wopcm_size; @@ -177,7 +177,7 @@ int intel_wopcm_init(struct intel_wopcm *wopcm) GEM_BUG_ON(!wopcm->size); - if (i915_inject_load_failure()) + if (i915_inject_probe_failure()) return -E2BIG; if (guc_fw_size >= wopcm->size) { @@ -225,17 +225,18 @@ int intel_wopcm_init(struct intel_wopcm *wopcm) return 0; } -static inline int write_and_verify(struct drm_i915_private *dev_priv, - i915_reg_t reg, u32 val, u32 mask, - u32 locked_bit) +static int +write_and_verify(struct intel_gt *gt, + i915_reg_t reg, u32 val, u32 mask, u32 locked_bit) { + struct intel_uncore *uncore = gt->uncore; u32 reg_val; GEM_BUG_ON(val & ~mask); - I915_WRITE(reg, val); + intel_uncore_write(uncore, reg, val); - reg_val = I915_READ(reg); + reg_val = intel_uncore_read(uncore, reg); return (reg_val & mask) != (val | locked_bit) ? -EIO : 0; } @@ -243,6 +244,7 @@ static inline int write_and_verify(struct drm_i915_private *dev_priv, /** * intel_wopcm_init_hw() - Setup GuC WOPCM registers. * @wopcm: pointer to intel_wopcm. + * @gt: pointer to the containing GT * * Setup the GuC WOPCM size and offset registers with the calculated values. It * will verify the register values to make sure the registers are locked with @@ -250,29 +252,30 @@ static inline int write_and_verify(struct drm_i915_private *dev_priv, * * Return: 0 on success. -EIO if registers were locked with incorrect values. */ -int intel_wopcm_init_hw(struct intel_wopcm *wopcm) +int intel_wopcm_init_hw(struct intel_wopcm *wopcm, struct intel_gt *gt) { - struct drm_i915_private *dev_priv = wopcm_to_i915(wopcm); + struct drm_i915_private *i915 = wopcm_to_i915(wopcm); + struct intel_uncore *uncore = gt->uncore; u32 huc_agent; u32 mask; int err; - if (!USES_GUC(dev_priv)) + if (!USES_GUC(i915)) return 0; - GEM_BUG_ON(!HAS_GUC(dev_priv)); + GEM_BUG_ON(!HAS_GT_UC(i915)); GEM_BUG_ON(!wopcm->guc.size); GEM_BUG_ON(!wopcm->guc.base); - err = write_and_verify(dev_priv, GUC_WOPCM_SIZE, wopcm->guc.size, + err = write_and_verify(gt, GUC_WOPCM_SIZE, wopcm->guc.size, GUC_WOPCM_SIZE_MASK | GUC_WOPCM_SIZE_LOCKED, GUC_WOPCM_SIZE_LOCKED); if (err) goto err_out; - huc_agent = USES_HUC(dev_priv) ? HUC_LOADING_AGENT_GUC : 0; + huc_agent = USES_HUC(i915) ? HUC_LOADING_AGENT_GUC : 0; mask = GUC_WOPCM_OFFSET_MASK | GUC_WOPCM_OFFSET_VALID | huc_agent; - err = write_and_verify(dev_priv, DMA_GUC_WOPCM_OFFSET, + err = write_and_verify(gt, DMA_GUC_WOPCM_OFFSET, wopcm->guc.base | huc_agent, mask, GUC_WOPCM_OFFSET_VALID); if (err) @@ -283,8 +286,9 @@ int intel_wopcm_init_hw(struct intel_wopcm *wopcm) err_out: DRM_ERROR("Failed to init WOPCM registers:\n"); DRM_ERROR("DMA_GUC_WOPCM_OFFSET=%#x\n", - I915_READ(DMA_GUC_WOPCM_OFFSET)); - DRM_ERROR("GUC_WOPCM_SIZE=%#x\n", I915_READ(GUC_WOPCM_SIZE)); + intel_uncore_read(uncore, DMA_GUC_WOPCM_OFFSET)); + DRM_ERROR("GUC_WOPCM_SIZE=%#x\n", + intel_uncore_read(uncore, GUC_WOPCM_SIZE)); return err; } diff --git a/drivers/gpu/drm/i915/intel_wopcm.h b/drivers/gpu/drm/i915/intel_wopcm.h index 114401971520..56aaed4d64ff 100644 --- a/drivers/gpu/drm/i915/intel_wopcm.h +++ b/drivers/gpu/drm/i915/intel_wopcm.h @@ -9,6 +9,8 @@ #include <linux/types.h> +struct intel_gt; + /** * struct intel_wopcm - Overall WOPCM info and WOPCM regions. * @size: Size of overall WOPCM. @@ -41,6 +43,6 @@ static inline u32 intel_wopcm_guc_size(struct intel_wopcm *wopcm) void intel_wopcm_init_early(struct intel_wopcm *wopcm); int intel_wopcm_init(struct intel_wopcm *wopcm); -int intel_wopcm_init_hw(struct intel_wopcm *wopcm); +int intel_wopcm_init_hw(struct intel_wopcm *wopcm, struct intel_gt *gt); #endif diff --git a/drivers/gpu/drm/i915/oa/Makefile b/drivers/gpu/drm/i915/oa/Makefile new file mode 100644 index 000000000000..e69de29bb2d1 --- /dev/null +++ b/drivers/gpu/drm/i915/oa/Makefile diff --git a/drivers/gpu/drm/i915/i915_oa_bdw.c b/drivers/gpu/drm/i915/oa/i915_oa_bdw.c index 4acdb94555b7..4acdb94555b7 100644 --- a/drivers/gpu/drm/i915/i915_oa_bdw.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_bdw.c diff --git a/drivers/gpu/drm/i915/i915_oa_bdw.h b/drivers/gpu/drm/i915/oa/i915_oa_bdw.h index 0e667f1a8aa1..b5ed68882588 100644 --- a/drivers/gpu/drm/i915/i915_oa_bdw.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_bdw.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_BDW_H__ #define __I915_OA_BDW_H__ -extern void i915_perf_load_test_config_bdw(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_bdw(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_bxt.c b/drivers/gpu/drm/i915/oa/i915_oa_bxt.c index a44195c39923..a44195c39923 100644 --- a/drivers/gpu/drm/i915/i915_oa_bxt.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_bxt.c diff --git a/drivers/gpu/drm/i915/i915_oa_bxt.h b/drivers/gpu/drm/i915/oa/i915_oa_bxt.h index 679e92cf4f1d..43c3e4ab030a 100644 --- a/drivers/gpu/drm/i915/i915_oa_bxt.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_bxt.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_BXT_H__ #define __I915_OA_BXT_H__ -extern void i915_perf_load_test_config_bxt(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_bxt(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_cflgt2.c b/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.c index 7f60d51b8761..7f60d51b8761 100644 --- a/drivers/gpu/drm/i915/i915_oa_cflgt2.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.c diff --git a/drivers/gpu/drm/i915/i915_oa_cflgt2.h b/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.h index 4d6025559bbe..1b4b563bc585 100644 --- a/drivers/gpu/drm/i915/i915_oa_cflgt2.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_CFLGT2_H__ #define __I915_OA_CFLGT2_H__ -extern void i915_perf_load_test_config_cflgt2(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_cflgt2(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_cflgt3.c b/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.c index a92c38e3a0ce..a92c38e3a0ce 100644 --- a/drivers/gpu/drm/i915/i915_oa_cflgt3.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.c diff --git a/drivers/gpu/drm/i915/i915_oa_cflgt3.h b/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.h index 0697f4077402..500565e055cd 100644 --- a/drivers/gpu/drm/i915/i915_oa_cflgt3.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_CFLGT3_H__ #define __I915_OA_CFLGT3_H__ -extern void i915_perf_load_test_config_cflgt3(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_cflgt3(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_chv.c b/drivers/gpu/drm/i915/oa/i915_oa_chv.c index 71ec889a0114..71ec889a0114 100644 --- a/drivers/gpu/drm/i915/i915_oa_chv.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_chv.c diff --git a/drivers/gpu/drm/i915/i915_oa_chv.h b/drivers/gpu/drm/i915/oa/i915_oa_chv.h index 0986eae3135f..ad85d6a6a573 100644 --- a/drivers/gpu/drm/i915/i915_oa_chv.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_chv.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_CHV_H__ #define __I915_OA_CHV_H__ -extern void i915_perf_load_test_config_chv(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_chv(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_cnl.c b/drivers/gpu/drm/i915/oa/i915_oa_cnl.c index 5c23d883d6c9..5c23d883d6c9 100644 --- a/drivers/gpu/drm/i915/i915_oa_cnl.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_cnl.c diff --git a/drivers/gpu/drm/i915/i915_oa_cnl.h b/drivers/gpu/drm/i915/oa/i915_oa_cnl.h index e830a406aff2..9faaca38b587 100644 --- a/drivers/gpu/drm/i915/i915_oa_cnl.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_cnl.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_CNL_H__ #define __I915_OA_CNL_H__ -extern void i915_perf_load_test_config_cnl(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_cnl(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_glk.c b/drivers/gpu/drm/i915/oa/i915_oa_glk.c index 4bdda66df7d2..4bdda66df7d2 100644 --- a/drivers/gpu/drm/i915/i915_oa_glk.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_glk.c diff --git a/drivers/gpu/drm/i915/i915_oa_glk.h b/drivers/gpu/drm/i915/oa/i915_oa_glk.h index 06dedf991edb..cc13a1e9fd3e 100644 --- a/drivers/gpu/drm/i915/i915_oa_glk.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_glk.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_GLK_H__ #define __I915_OA_GLK_H__ -extern void i915_perf_load_test_config_glk(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_glk(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_hsw.c b/drivers/gpu/drm/i915/oa/i915_oa_hsw.c index cc6526fdd2bd..cc6526fdd2bd 100644 --- a/drivers/gpu/drm/i915/i915_oa_hsw.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_hsw.c diff --git a/drivers/gpu/drm/i915/i915_oa_hsw.h b/drivers/gpu/drm/i915/oa/i915_oa_hsw.h index 3d0c870cd0bd..f0ddcc79c761 100644 --- a/drivers/gpu/drm/i915/i915_oa_hsw.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_hsw.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_HSW_H__ #define __I915_OA_HSW_H__ -extern void i915_perf_load_test_config_hsw(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_hsw(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_icl.c b/drivers/gpu/drm/i915/oa/i915_oa_icl.c index baa51427a543..baa51427a543 100644 --- a/drivers/gpu/drm/i915/i915_oa_icl.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_icl.c diff --git a/drivers/gpu/drm/i915/i915_oa_icl.h b/drivers/gpu/drm/i915/oa/i915_oa_icl.h index 24eaa97d61ba..e501651d385b 100644 --- a/drivers/gpu/drm/i915/i915_oa_icl.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_icl.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_ICL_H__ #define __I915_OA_ICL_H__ -extern void i915_perf_load_test_config_icl(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_icl(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_kblgt2.c b/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.c index 168e49ab0d4d..168e49ab0d4d 100644 --- a/drivers/gpu/drm/i915/i915_oa_kblgt2.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.c diff --git a/drivers/gpu/drm/i915/i915_oa_kblgt2.h b/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.h index a55398a904de..dc460e6e0fae 100644 --- a/drivers/gpu/drm/i915/i915_oa_kblgt2.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_KBLGT2_H__ #define __I915_OA_KBLGT2_H__ -extern void i915_perf_load_test_config_kblgt2(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_kblgt2(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_kblgt3.c b/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.c index 6ffa553c388e..6ffa553c388e 100644 --- a/drivers/gpu/drm/i915/i915_oa_kblgt3.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.c diff --git a/drivers/gpu/drm/i915/i915_oa_kblgt3.h b/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.h index 3ddd3483b7cc..5926992b735a 100644 --- a/drivers/gpu/drm/i915/i915_oa_kblgt3.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_KBLGT3_H__ #define __I915_OA_KBLGT3_H__ -extern void i915_perf_load_test_config_kblgt3(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_kblgt3(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_sklgt2.c b/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.c index 7ce6ee851d43..7ce6ee851d43 100644 --- a/drivers/gpu/drm/i915/i915_oa_sklgt2.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.c diff --git a/drivers/gpu/drm/i915/i915_oa_sklgt2.h b/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.h index be6256037239..353db35b36c1 100644 --- a/drivers/gpu/drm/i915/i915_oa_sklgt2.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_SKLGT2_H__ #define __I915_OA_SKLGT2_H__ -extern void i915_perf_load_test_config_sklgt2(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_sklgt2(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_sklgt3.c b/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.c index 086ca2631e1c..086ca2631e1c 100644 --- a/drivers/gpu/drm/i915/i915_oa_sklgt3.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.c diff --git a/drivers/gpu/drm/i915/i915_oa_sklgt3.h b/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.h index 650beb068e56..52f94c674b62 100644 --- a/drivers/gpu/drm/i915/i915_oa_sklgt3.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_SKLGT3_H__ #define __I915_OA_SKLGT3_H__ -extern void i915_perf_load_test_config_sklgt3(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_sklgt3(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/i915_oa_sklgt4.c b/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.c index b291a6eb8a87..b291a6eb8a87 100644 --- a/drivers/gpu/drm/i915/i915_oa_sklgt4.c +++ b/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.c diff --git a/drivers/gpu/drm/i915/i915_oa_sklgt4.h b/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.h index 8dcf849d131e..8e364820cc63 100644 --- a/drivers/gpu/drm/i915/i915_oa_sklgt4.h +++ b/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.h @@ -10,6 +10,6 @@ #ifndef __I915_OA_SKLGT4_H__ #define __I915_OA_SKLGT4_H__ -extern void i915_perf_load_test_config_sklgt4(struct drm_i915_private *dev_priv); +void i915_perf_load_test_config_sklgt4(struct drm_i915_private *dev_priv); #endif diff --git a/drivers/gpu/drm/i915/selftests/i915_active.c b/drivers/gpu/drm/i915/selftests/i915_active.c index c0b3537a5fa6..e5cd5d47e380 100644 --- a/drivers/gpu/drm/i915/selftests/i915_active.c +++ b/drivers/gpu/drm/i915/selftests/i915_active.c @@ -4,7 +4,10 @@ * Copyright © 2018 Intel Corporation */ +#include <linux/kref.h> + #include "gem/i915_gem_pm.h" +#include "gt/intel_gt.h" #include "i915_selftest.h" @@ -13,37 +16,86 @@ struct live_active { struct i915_active base; + struct kref ref; bool retired; }; -static void __live_active_retire(struct i915_active *base) +static void __live_get(struct live_active *active) +{ + kref_get(&active->ref); +} + +static void __live_free(struct live_active *active) +{ + i915_active_fini(&active->base); + kfree(active); +} + +static void __live_release(struct kref *ref) +{ + struct live_active *active = container_of(ref, typeof(*active), ref); + + __live_free(active); +} + +static void __live_put(struct live_active *active) +{ + kref_put(&active->ref, __live_release); +} + +static int __live_active(struct i915_active *base) +{ + struct live_active *active = container_of(base, typeof(*active), base); + + __live_get(active); + return 0; +} + +static void __live_retire(struct i915_active *base) { struct live_active *active = container_of(base, typeof(*active), base); active->retired = true; + __live_put(active); +} + +static struct live_active *__live_alloc(struct drm_i915_private *i915) +{ + struct live_active *active; + + active = kzalloc(sizeof(*active), GFP_KERNEL); + if (!active) + return NULL; + + kref_init(&active->ref); + i915_active_init(i915, &active->base, __live_active, __live_retire); + + return active; } -static int __live_active_setup(struct drm_i915_private *i915, - struct live_active *active) +static struct live_active * +__live_active_setup(struct drm_i915_private *i915) { struct intel_engine_cs *engine; struct i915_sw_fence *submit; + struct live_active *active; enum intel_engine_id id; unsigned int count = 0; int err = 0; - submit = heap_fence_create(GFP_KERNEL); - if (!submit) - return -ENOMEM; + active = __live_alloc(i915); + if (!active) + return ERR_PTR(-ENOMEM); - i915_active_init(i915, &active->base, __live_active_retire); - active->retired = false; + submit = heap_fence_create(GFP_KERNEL); + if (!submit) { + kfree(active); + return ERR_PTR(-ENOMEM); + } - if (!i915_active_acquire(&active->base)) { - pr_err("First i915_active_acquire should report being idle\n"); - err = -EINVAL; + err = i915_active_acquire(&active->base); + if (err) goto out; - } for_each_engine(engine, i915, id) { struct i915_request *rq; @@ -74,74 +126,92 @@ static int __live_active_setup(struct drm_i915_private *i915, pr_err("i915_active retired before submission!\n"); err = -EINVAL; } - if (active->base.count != count) { + if (atomic_read(&active->base.count) != count) { pr_err("i915_active not tracking all requests, found %d, expected %d\n", - active->base.count, count); + atomic_read(&active->base.count), count); err = -EINVAL; } out: i915_sw_fence_commit(submit); heap_fence_put(submit); + if (err) { + __live_put(active); + active = ERR_PTR(err); + } - return err; + return active; } static int live_active_wait(void *arg) { struct drm_i915_private *i915 = arg; - struct live_active active; + struct live_active *active; intel_wakeref_t wakeref; - int err; + int err = 0; /* Check that we get a callback when requests retire upon waiting */ mutex_lock(&i915->drm.struct_mutex); wakeref = intel_runtime_pm_get(&i915->runtime_pm); - err = __live_active_setup(i915, &active); + active = __live_active_setup(i915); + if (IS_ERR(active)) { + err = PTR_ERR(active); + goto err; + } - i915_active_wait(&active.base); - if (!active.retired) { + i915_active_wait(&active->base); + if (!active->retired) { pr_err("i915_active not retired after waiting!\n"); err = -EINVAL; } - i915_active_fini(&active.base); + __live_put(active); + if (igt_flush_test(i915, I915_WAIT_LOCKED)) err = -EIO; +err: intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); + return err; } static int live_active_retire(void *arg) { struct drm_i915_private *i915 = arg; - struct live_active active; + struct live_active *active; intel_wakeref_t wakeref; - int err; + int err = 0; /* Check that we get a callback when requests are indirectly retired */ mutex_lock(&i915->drm.struct_mutex); wakeref = intel_runtime_pm_get(&i915->runtime_pm); - err = __live_active_setup(i915, &active); + active = __live_active_setup(i915); + if (IS_ERR(active)) { + err = PTR_ERR(active); + goto err; + } /* waits for & retires all requests */ if (igt_flush_test(i915, I915_WAIT_LOCKED)) err = -EIO; - if (!active.retired) { + if (!active->retired) { pr_err("i915_active not retired after flushing!\n"); err = -EINVAL; } - i915_active_fini(&active.base); + __live_put(active); + +err: intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&i915->drm.struct_mutex); + return err; } @@ -152,7 +222,7 @@ int i915_active_live_selftests(struct drm_i915_private *i915) SUBTEST(live_active_retire), }; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) return 0; return i915_subtests(tests, i915); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem.c b/drivers/gpu/drm/i915/selftests/i915_gem.c index c6a01a6e87f1..bb6dd54a6ff3 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem.c @@ -8,6 +8,7 @@ #include "gem/selftests/igt_gem_utils.h" #include "gem/selftests/mock_context.h" +#include "gt/intel_gt.h" #include "i915_selftest.h" @@ -115,7 +116,7 @@ static void pm_resume(struct drm_i915_private *i915) * that runtime-pm just works. */ with_intel_runtime_pm(&i915->runtime_pm, wakeref) { - intel_gt_sanitize(i915, false); + intel_gt_sanitize(&i915->gt, false); i915_gem_sanitize(i915); i915_gem_resume(i915); } @@ -154,8 +155,6 @@ static int igt_gem_suspend(void *arg) mutex_lock(&i915->drm.struct_mutex); err = switch_to_context(i915, ctx); - if (igt_flush_test(i915, I915_WAIT_LOCKED)) - err = -EIO; mutex_unlock(&i915->drm.struct_mutex); out: mock_file_free(i915, file); @@ -195,8 +194,6 @@ static int igt_gem_hibernate(void *arg) mutex_lock(&i915->drm.struct_mutex); err = switch_to_context(i915, ctx); - if (igt_flush_test(i915, I915_WAIT_LOCKED)) - err = -EIO; mutex_unlock(&i915->drm.struct_mutex); out: mock_file_free(i915, file); @@ -210,8 +207,8 @@ int i915_gem_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_gem_hibernate), }; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) return 0; - return i915_subtests(tests, i915); + return i915_live_subtests(tests, i915); } diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c index a3cb0aade6f1..b6449d0a8c17 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c @@ -25,6 +25,7 @@ #include "gem/i915_gem_pm.h" #include "gem/selftests/igt_gem_utils.h" #include "gem/selftests/mock_context.h" +#include "gt/intel_gt.h" #include "i915_selftest.h" @@ -557,7 +558,7 @@ int i915_gem_evict_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_evict_contexts), }; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) return 0; return i915_subtests(tests, i915); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index 1a60b9fe8221..31a51ca1ddcb 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -208,9 +208,7 @@ static int igt_ppgtt_alloc(void *arg) } err_ppgtt_cleanup: - mutex_lock(&dev_priv->drm.struct_mutex); i915_vm_put(&ppgtt->vm); - mutex_unlock(&dev_priv->drm.struct_mutex); return err; } @@ -1195,7 +1193,7 @@ static int igt_ggtt_page(void *arg) iowrite32(n, vaddr + n); io_mapping_unmap_atomic(vaddr); } - i915_gem_flush_ggtt_writes(i915); + intel_gt_flush_ggtt_writes(ggtt->vm.gt); i915_random_reorder(order, count, &prng); for (n = 0; n < count; n++) { diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h index d5dc4427d664..2b31a4ee0b4c 100644 --- a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h +++ b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h @@ -12,7 +12,7 @@ selftest(sanitycheck, i915_live_sanitycheck) /* keep first (igt selfcheck) */ selftest(uncore, intel_uncore_live_selftests) selftest(workarounds, intel_workarounds_live_selftests) -selftest(timelines, i915_timeline_live_selftests) +selftest(timelines, intel_timeline_live_selftests) selftest(requests, i915_request_live_selftests) selftest(active, i915_active_live_selftests) selftest(objects, i915_gem_object_live_selftests) diff --git a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h index 510eb176bb2c..b55da4d9ccba 100644 --- a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h +++ b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h @@ -15,7 +15,7 @@ selftest(scatterlist, scatterlist_mock_selftests) selftest(syncmap, i915_syncmap_mock_selftests) selftest(uncore, intel_uncore_mock_selftests) selftest(engine, intel_engine_cs_mock_selftests) -selftest(timelines, i915_timeline_mock_selftests) +selftest(timelines, intel_timeline_mock_selftests) selftest(requests, i915_request_mock_selftests) selftest(objects, i915_gem_object_mock_selftests) selftest(phys, i915_gem_phys_mock_selftests) diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c index 298bb7116c51..86c299663934 100644 --- a/drivers/gpu/drm/i915/selftests/i915_request.c +++ b/drivers/gpu/drm/i915/selftests/i915_request.c @@ -27,6 +27,8 @@ #include "gem/i915_gem_pm.h" #include "gem/selftests/mock_context.h" +#include "gt/intel_gt.h" + #include "i915_random.h" #include "i915_selftest.h" #include "igt_live_test.h" @@ -73,55 +75,58 @@ static int igt_wait_request(void *arg) err = -ENOMEM; goto out_unlock; } + i915_request_get(request); if (i915_request_wait(request, 0, 0) != -ETIME) { pr_err("request wait (busy query) succeeded (expected timeout before submit!)\n"); - goto out_unlock; + goto out_request; } if (i915_request_wait(request, 0, T) != -ETIME) { pr_err("request wait succeeded (expected timeout before submit!)\n"); - goto out_unlock; + goto out_request; } if (i915_request_completed(request)) { pr_err("request completed before submit!!\n"); - goto out_unlock; + goto out_request; } i915_request_add(request); if (i915_request_wait(request, 0, 0) != -ETIME) { pr_err("request wait (busy query) succeeded (expected timeout after submit!)\n"); - goto out_unlock; + goto out_request; } if (i915_request_completed(request)) { pr_err("request completed immediately!\n"); - goto out_unlock; + goto out_request; } if (i915_request_wait(request, 0, T / 2) != -ETIME) { pr_err("request wait succeeded (expected timeout!)\n"); - goto out_unlock; + goto out_request; } if (i915_request_wait(request, 0, T) == -ETIME) { pr_err("request wait timed out!\n"); - goto out_unlock; + goto out_request; } if (!i915_request_completed(request)) { pr_err("request not complete after waiting!\n"); - goto out_unlock; + goto out_request; } if (i915_request_wait(request, 0, T) == -ETIME) { pr_err("request wait timed out when already complete!\n"); - goto out_unlock; + goto out_request; } err = 0; +out_request: + i915_request_put(request); out_unlock: mock_device_flush(i915); mutex_unlock(&i915->drm.struct_mutex); @@ -366,14 +371,16 @@ static int __igt_breadcrumbs_smoketest(void *arg) if (!wait_event_timeout(wait->wait, i915_sw_fence_done(wait), - HZ / 2)) { + 5 * HZ)) { struct i915_request *rq = requests[count - 1]; - pr_err("waiting for %d fences (last %llx:%lld) on %s timed out!\n", - count, + pr_err("waiting for %d/%d fences (last %llx:%lld) on %s timed out!\n", + atomic_read(&wait->pending), count, rq->fence.context, rq->fence.seqno, t->engine->name); - i915_gem_set_wedged(t->engine->i915); + GEM_TRACE_DUMP(); + + intel_gt_set_wedged(t->engine->gt); GEM_BUG_ON(!i915_request_completed(rq)); i915_sw_fence_wait(wait); err = -EIO; @@ -622,7 +629,7 @@ static struct i915_vma *empty_batch(struct drm_i915_private *i915) __i915_gem_object_flush_map(obj, 0, 64); i915_gem_object_unpin_map(obj); - i915_gem_chipset_flush(i915); + intel_gt_chipset_flush(&i915->gt); vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL); if (IS_ERR(vma)) { @@ -791,7 +798,7 @@ static struct i915_vma *recursive_batch(struct drm_i915_private *i915) __i915_gem_object_flush_map(obj, 0, 64); i915_gem_object_unpin_map(obj); - i915_gem_chipset_flush(i915); + intel_gt_chipset_flush(&i915->gt); return vma; @@ -809,7 +816,7 @@ static int recursive_batch_resolve(struct i915_vma *batch) return PTR_ERR(cmd); *cmd = MI_BATCH_BUFFER_END; - i915_gem_chipset_flush(batch->vm->i915); + intel_gt_chipset_flush(batch->vm->gt); i915_gem_object_unpin_map(batch->obj); @@ -1031,7 +1038,7 @@ out_request: I915_MAP_WC); if (!IS_ERR(cmd)) { *cmd = MI_BATCH_BUFFER_END; - i915_gem_chipset_flush(i915); + intel_gt_chipset_flush(engine->gt); i915_gem_object_unpin_map(request[id]->batch->obj); } @@ -1227,7 +1234,7 @@ int i915_request_live_selftests(struct drm_i915_private *i915) SUBTEST(live_breadcrumbs_smoketest), }; - if (i915_terminally_wedged(i915)) + if (intel_gt_is_wedged(&i915->gt)) return 0; return i915_subtests(tests, i915); diff --git a/drivers/gpu/drm/i915/selftests/i915_selftest.c b/drivers/gpu/drm/i915/selftests/i915_selftest.c index b18eaefef798..db9c645bbdfe 100644 --- a/drivers/gpu/drm/i915/selftests/i915_selftest.c +++ b/drivers/gpu/drm/i915/selftests/i915_selftest.c @@ -26,6 +26,8 @@ #include "../i915_drv.h" #include "../i915_selftest.h" +#include "igt_flush_test.h" + struct i915_selftest i915_selftest __read_mostly = { .timeout_ms = 1000, }; @@ -240,7 +242,61 @@ static bool apply_subtest_filter(const char *caller, const char *name) return result; } +int __i915_nop_setup(void *data) +{ + return 0; +} + +int __i915_nop_teardown(int err, void *data) +{ + return err; +} + +int __i915_live_setup(void *data) +{ + struct drm_i915_private *i915 = data; + + return intel_gt_terminally_wedged(&i915->gt); +} + +int __i915_live_teardown(int err, void *data) +{ + struct drm_i915_private *i915 = data; + + mutex_lock(&i915->drm.struct_mutex); + if (igt_flush_test(i915, I915_WAIT_LOCKED)) + err = -EIO; + mutex_unlock(&i915->drm.struct_mutex); + + i915_gem_drain_freed_objects(i915); + + return err; +} + +int __intel_gt_live_setup(void *data) +{ + struct intel_gt *gt = data; + + return intel_gt_terminally_wedged(gt); +} + +int __intel_gt_live_teardown(int err, void *data) +{ + struct intel_gt *gt = data; + + mutex_lock(>->i915->drm.struct_mutex); + if (igt_flush_test(gt->i915, I915_WAIT_LOCKED)) + err = -EIO; + mutex_unlock(>->i915->drm.struct_mutex); + + i915_gem_drain_freed_objects(gt->i915); + + return err; +} + int __i915_subtests(const char *caller, + int (*setup)(void *data), + int (*teardown)(int err, void *data), const struct i915_subtest *st, unsigned int count, void *data) @@ -255,10 +311,17 @@ int __i915_subtests(const char *caller, if (!apply_subtest_filter(caller, st->name)) continue; + err = setup(data); + if (err) { + pr_err(DRIVER_NAME "/%s: setup failed for %s\n", + caller, st->name); + return err; + } + pr_info(DRIVER_NAME ": Running %s/%s\n", caller, st->name); GEM_TRACE("Running %s/%s\n", caller, st->name); - err = st->func(data); + err = teardown(st->func(data), data); if (err && err != -EINTR) { pr_err(DRIVER_NAME "/%s: %s failed with error %d\n", caller, st->name, err); diff --git a/drivers/gpu/drm/i915/selftests/i915_vma.c b/drivers/gpu/drm/i915/selftests/i915_vma.c index fbc79b14823a..a5bec0a4cdcc 100644 --- a/drivers/gpu/drm/i915/selftests/i915_vma.c +++ b/drivers/gpu/drm/i915/selftests/i915_vma.c @@ -193,6 +193,8 @@ static int igt_vma_create(void *arg) list_del_init(&ctx->link); mock_context_close(ctx); } + + cond_resched(); } end: @@ -341,6 +343,8 @@ static int igt_vma_pin1(void *arg) goto out; } } + + cond_resched(); } err = 0; @@ -597,6 +601,8 @@ static int igt_vma_rotate_remap(void *arg) } i915_vma_unpin(vma); + + cond_resched(); } } } @@ -752,6 +758,8 @@ static int igt_vma_partial(void *arg) i915_vma_unpin(vma); nvma++; + + cond_resched(); } } @@ -961,6 +969,8 @@ static int igt_vma_remapped_gtt(void *arg) } } i915_vma_unpin_iomap(vma); + + cond_resched(); } } diff --git a/drivers/gpu/drm/i915/selftests/igt_flush_test.c b/drivers/gpu/drm/i915/selftests/igt_flush_test.c index 5bfd1b2626a2..d3b5eb402d33 100644 --- a/drivers/gpu/drm/i915/selftests/igt_flush_test.c +++ b/drivers/gpu/drm/i915/selftests/igt_flush_test.c @@ -5,6 +5,7 @@ */ #include "gem/i915_gem_context.h" +#include "gt/intel_gt.h" #include "i915_drv.h" #include "i915_selftest.h" @@ -13,7 +14,7 @@ int igt_flush_test(struct drm_i915_private *i915, unsigned int flags) { - int ret = i915_terminally_wedged(i915) ? -EIO : 0; + int ret = intel_gt_is_wedged(&i915->gt) ? -EIO : 0; int repeat = !!(flags & I915_WAIT_LOCKED); cond_resched(); @@ -27,7 +28,7 @@ int igt_flush_test(struct drm_i915_private *i915, unsigned int flags) __builtin_return_address(0)); GEM_TRACE_DUMP(); - i915_gem_set_wedged(i915); + intel_gt_set_wedged(&i915->gt); repeat = 0; ret = -EIO; } diff --git a/drivers/gpu/drm/i915/selftests/igt_reset.c b/drivers/gpu/drm/i915/selftests/igt_reset.c index 587df6fd4ffe..7ec8f8b049c6 100644 --- a/drivers/gpu/drm/i915/selftests/igt_reset.c +++ b/drivers/gpu/drm/i915/selftests/igt_reset.c @@ -7,47 +7,45 @@ #include "igt_reset.h" #include "gt/intel_engine.h" +#include "gt/intel_gt.h" #include "../i915_drv.h" -void igt_global_reset_lock(struct drm_i915_private *i915) +void igt_global_reset_lock(struct intel_gt *gt) { struct intel_engine_cs *engine; enum intel_engine_id id; - pr_debug("%s: current gpu_error=%08lx\n", - __func__, i915->gpu_error.flags); + pr_debug("%s: current gpu_error=%08lx\n", __func__, gt->reset.flags); - while (test_and_set_bit(I915_RESET_BACKOFF, &i915->gpu_error.flags)) - wait_event(i915->gpu_error.reset_queue, - !test_bit(I915_RESET_BACKOFF, - &i915->gpu_error.flags)); + while (test_and_set_bit(I915_RESET_BACKOFF, >->reset.flags)) + wait_event(gt->reset.queue, + !test_bit(I915_RESET_BACKOFF, >->reset.flags)); - for_each_engine(engine, i915, id) { + for_each_engine(engine, gt->i915, id) { while (test_and_set_bit(I915_RESET_ENGINE + id, - &i915->gpu_error.flags)) - wait_on_bit(&i915->gpu_error.flags, - I915_RESET_ENGINE + id, + >->reset.flags)) + wait_on_bit(>->reset.flags, I915_RESET_ENGINE + id, TASK_UNINTERRUPTIBLE); } } -void igt_global_reset_unlock(struct drm_i915_private *i915) +void igt_global_reset_unlock(struct intel_gt *gt) { struct intel_engine_cs *engine; enum intel_engine_id id; - for_each_engine(engine, i915, id) - clear_bit(I915_RESET_ENGINE + id, &i915->gpu_error.flags); + for_each_engine(engine, gt->i915, id) + clear_bit(I915_RESET_ENGINE + id, >->reset.flags); - clear_bit(I915_RESET_BACKOFF, &i915->gpu_error.flags); - wake_up_all(&i915->gpu_error.reset_queue); + clear_bit(I915_RESET_BACKOFF, >->reset.flags); + wake_up_all(>->reset.queue); } -bool igt_force_reset(struct drm_i915_private *i915) +bool igt_force_reset(struct intel_gt *gt) { - i915_gem_set_wedged(i915); - i915_reset(i915, 0, NULL); + intel_gt_set_wedged(gt); + intel_gt_reset(gt, 0, NULL); - return !i915_reset_failed(i915); + return !intel_gt_is_wedged(gt); } diff --git a/drivers/gpu/drm/i915/selftests/igt_reset.h b/drivers/gpu/drm/i915/selftests/igt_reset.h index 363bd853e50f..851873b67ab3 100644 --- a/drivers/gpu/drm/i915/selftests/igt_reset.h +++ b/drivers/gpu/drm/i915/selftests/igt_reset.h @@ -7,10 +7,12 @@ #ifndef __I915_SELFTESTS_IGT_RESET_H__ #define __I915_SELFTESTS_IGT_RESET_H__ -#include "../i915_drv.h" +#include <linux/types.h> -void igt_global_reset_lock(struct drm_i915_private *i915); -void igt_global_reset_unlock(struct drm_i915_private *i915); -bool igt_force_reset(struct drm_i915_private *i915); +struct intel_gt; + +void igt_global_reset_lock(struct intel_gt *gt); +void igt_global_reset_unlock(struct intel_gt *gt); +bool igt_force_reset(struct intel_gt *gt); #endif diff --git a/drivers/gpu/drm/i915/selftests/igt_spinner.c b/drivers/gpu/drm/i915/selftests/igt_spinner.c index 1e59b543cf27..89b6552a6497 100644 --- a/drivers/gpu/drm/i915/selftests/igt_spinner.c +++ b/drivers/gpu/drm/i915/selftests/igt_spinner.c @@ -3,6 +3,7 @@ * * Copyright © 2018 Intel Corporation */ +#include "gt/intel_gt.h" #include "gem/selftests/igt_gem_utils.h" @@ -18,6 +19,7 @@ int igt_spinner_init(struct igt_spinner *spin, struct drm_i915_private *i915) memset(spin, 0, sizeof(*spin)); spin->i915 = i915; + spin->gt = &i915->gt; spin->hws = i915_gem_object_create_internal(i915, PAGE_SIZE); if (IS_ERR(spin->hws)) { @@ -94,6 +96,8 @@ igt_spinner_create_request(struct igt_spinner *spin, u32 *batch; int err; + spin->gt = engine->gt; + vma = i915_vma_instance(spin->obj, ctx->vm, NULL); if (IS_ERR(vma)) return ERR_CAST(vma); @@ -138,7 +142,7 @@ igt_spinner_create_request(struct igt_spinner *spin, *batch++ = upper_32_bits(vma->node.start); *batch++ = MI_BATCH_BUFFER_END; /* not reached */ - i915_gem_chipset_flush(spin->i915); + intel_gt_chipset_flush(engine->gt); if (engine->emit_init_breadcrumb && rq->timeline->has_initial_breadcrumb) { @@ -172,7 +176,7 @@ hws_seqno(const struct igt_spinner *spin, const struct i915_request *rq) void igt_spinner_end(struct igt_spinner *spin) { *spin->batch = MI_BATCH_BUFFER_END; - i915_gem_chipset_flush(spin->i915); + intel_gt_chipset_flush(spin->gt); } void igt_spinner_fini(struct igt_spinner *spin) diff --git a/drivers/gpu/drm/i915/selftests/igt_spinner.h b/drivers/gpu/drm/i915/selftests/igt_spinner.h index 34a88ac9b47a..1bfc39efa773 100644 --- a/drivers/gpu/drm/i915/selftests/igt_spinner.h +++ b/drivers/gpu/drm/i915/selftests/igt_spinner.h @@ -14,8 +14,11 @@ #include "i915_request.h" #include "i915_selftest.h" +struct intel_gt; + struct igt_spinner { struct drm_i915_private *i915; + struct intel_gt *gt; struct drm_i915_gem_object *hws; struct drm_i915_gem_object *obj; u32 *batch; diff --git a/drivers/gpu/drm/i915/selftests/igt_wedge_me.h b/drivers/gpu/drm/i915/selftests/igt_wedge_me.h deleted file mode 100644 index 08e5ff11bbd9..000000000000 --- a/drivers/gpu/drm/i915/selftests/igt_wedge_me.h +++ /dev/null @@ -1,58 +0,0 @@ -/* - * SPDX-License-Identifier: MIT - * - * Copyright © 2018 Intel Corporation - */ - -#ifndef IGT_WEDGE_ME_H -#define IGT_WEDGE_ME_H - -#include <linux/workqueue.h> - -#include "../i915_gem.h" - -struct drm_i915_private; - -struct igt_wedge_me { - struct delayed_work work; - struct drm_i915_private *i915; - const char *name; -}; - -static void __igt_wedge_me(struct work_struct *work) -{ - struct igt_wedge_me *w = container_of(work, typeof(*w), work.work); - - pr_err("%s timed out, cancelling test.\n", w->name); - - GEM_TRACE("%s timed out.\n", w->name); - GEM_TRACE_DUMP(); - - i915_gem_set_wedged(w->i915); -} - -static void __igt_init_wedge(struct igt_wedge_me *w, - struct drm_i915_private *i915, - long timeout, - const char *name) -{ - w->i915 = i915; - w->name = name; - - INIT_DELAYED_WORK_ONSTACK(&w->work, __igt_wedge_me); - schedule_delayed_work(&w->work, timeout); -} - -static void __igt_fini_wedge(struct igt_wedge_me *w) -{ - cancel_delayed_work_sync(&w->work); - destroy_delayed_work_on_stack(&w->work); - w->i915 = NULL; -} - -#define igt_wedge_on_timeout(W, DEV, TIMEOUT) \ - for (__igt_init_wedge((W), (DEV), (TIMEOUT), __func__); \ - (W)->i915; \ - __igt_fini_wedge((W))) - -#endif /* IGT_WEDGE_ME_H */ diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index 64bc51400ae7..fd4cc4809eb8 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -25,6 +25,7 @@ #include <linux/pm_domain.h> #include <linux/pm_runtime.h> +#include "gt/intel_gt.h" #include "gt/mock_engine.h" #include "mock_request.h" @@ -67,7 +68,7 @@ static void mock_device_release(struct drm_device *dev) i915_gem_contexts_fini(i915); mutex_unlock(&i915->drm.struct_mutex); - i915_timelines_fini(i915); + intel_timelines_fini(i915); drain_workqueue(i915->wq); i915_gem_drain_freed_objects(i915); @@ -179,14 +180,9 @@ struct drm_i915_private *mock_gem_device(void) mock_uncore_init(&i915->uncore); i915_gem_init__mm(i915); - intel_gt_pm_init(i915); + intel_gt_init_early(&i915->gt, i915); atomic_inc(&i915->gt.wakeref.count); /* disable; no hw support */ - init_waitqueue_head(&i915->gpu_error.wait_queue); - init_waitqueue_head(&i915->gpu_error.reset_queue); - init_srcu_struct(&i915->gpu_error.reset_backoff_srcu); - mutex_init(&i915->gpu_error.wedge_mutex); - i915->wq = alloc_ordered_workqueue("mock", 0); if (!i915->wq) goto err_drv; @@ -198,11 +194,7 @@ struct drm_i915_private *mock_gem_device(void) i915->gt.awake = true; - i915_timelines_init(i915); - - INIT_LIST_HEAD(&i915->gt.active_rings); - INIT_LIST_HEAD(&i915->gt.closed_vma); - spin_lock_init(&i915->gt.closed_lock); + intel_timelines_init(i915); mutex_lock(&i915->drm.struct_mutex); @@ -233,7 +225,7 @@ err_engine: mock_engine_free(i915->engine[RCS0]); err_unlock: mutex_unlock(&i915->drm.struct_mutex); - i915_timelines_fini(i915); + intel_timelines_fini(i915); destroy_workqueue(i915->wq); err_drv: drm_mode_config_cleanup(&i915->drm); diff --git a/drivers/gpu/drm/i915/selftests/mock_gtt.c b/drivers/gpu/drm/i915/selftests/mock_gtt.c index f625c307a406..e62a67e0f79c 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gtt.c +++ b/drivers/gpu/drm/i915/selftests/mock_gtt.c @@ -98,6 +98,7 @@ void mock_init_ggtt(struct drm_i915_private *i915, struct i915_ggtt *ggtt) { memset(ggtt, 0, sizeof(*ggtt)); + ggtt->vm.gt = &i915->gt; ggtt->vm.i915 = i915; ggtt->vm.is_ggtt = true; @@ -116,6 +117,8 @@ void mock_init_ggtt(struct drm_i915_private *i915, struct i915_ggtt *ggtt) ggtt->vm.vma_ops.clear_pages = clear_pages; i915_address_space_init(&ggtt->vm, VM_CLASS_GGTT); + + intel_gt_init_hw(i915); } void mock_fini_ggtt(struct i915_ggtt *ggtt) diff --git a/drivers/gpu/drm/i915/selftests/mock_uncore.c b/drivers/gpu/drm/i915/selftests/mock_uncore.c index ff8999c63a12..49585f16d4a2 100644 --- a/drivers/gpu/drm/i915/selftests/mock_uncore.c +++ b/drivers/gpu/drm/i915/selftests/mock_uncore.c @@ -41,6 +41,6 @@ __nop_read(64) void mock_uncore_init(struct intel_uncore *uncore) { - ASSIGN_WRITE_MMIO_VFUNCS(uncore, nop); - ASSIGN_READ_MMIO_VFUNCS(uncore, nop); + ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, nop); + ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, nop); } diff --git a/include/drm/i915_component.h b/include/drm/i915_component.h index dcb95bd9dee6..55c3b123581b 100644 --- a/include/drm/i915_component.h +++ b/include/drm/i915_component.h @@ -34,7 +34,7 @@ enum i915_component_type { /* MAX_PORT is the number of port * It must be sync with I915_MAX_PORTS defined i915_drv.h */ -#define MAX_PORTS 6 +#define MAX_PORTS 9 /** * struct i915_audio_component - Used for direct communication between i915 and hda drivers diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h index 7523e9a7b6e2..23274cf92712 100644 --- a/include/drm/i915_drm.h +++ b/include/drm/i915_drm.h @@ -30,11 +30,11 @@ #include <uapi/drm/i915_drm.h> /* For use by IPS driver */ -extern unsigned long i915_read_mch_val(void); -extern bool i915_gpu_raise(void); -extern bool i915_gpu_lower(void); -extern bool i915_gpu_busy(void); -extern bool i915_gpu_turbo_disable(void); +unsigned long i915_read_mch_val(void); +bool i915_gpu_raise(void); +bool i915_gpu_lower(void); +bool i915_gpu_busy(void); +bool i915_gpu_turbo_disable(void); /* Exported from arch/x86/kernel/early-quirks.c */ extern struct resource intel_graphics_stolen_res; @@ -109,6 +109,9 @@ enum port { PORT_D, PORT_E, PORT_F, + PORT_G, + PORT_H, + PORT_I, I915_MAX_PORTS }; diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h index 6d60ea68c171..a70c982ddff9 100644 --- a/include/drm/i915_pciids.h +++ b/include/drm/i915_pciids.h @@ -568,7 +568,8 @@ INTEL_VGA_DEVICE(0x8A56, info), \ INTEL_VGA_DEVICE(0x8A71, info), \ INTEL_VGA_DEVICE(0x8A70, info), \ - INTEL_VGA_DEVICE(0x8A53, info) + INTEL_VGA_DEVICE(0x8A53, info), \ + INTEL_VGA_DEVICE(0x8A54, info) #define INTEL_ICL_11_IDS(info) \ INTEL_ICL_PORT_F_IDS(info), \ @@ -582,4 +583,14 @@ INTEL_VGA_DEVICE(0x4551, info), \ INTEL_VGA_DEVICE(0x4541, info) +/* TGL */ +#define INTEL_TGL_12_IDS(info) \ + INTEL_VGA_DEVICE(0x9A49, info), \ + INTEL_VGA_DEVICE(0x9A40, info), \ + INTEL_VGA_DEVICE(0x9A59, info), \ + INTEL_VGA_DEVICE(0x9A60, info), \ + INTEL_VGA_DEVICE(0x9A68, info), \ + INTEL_VGA_DEVICE(0x9A70, info), \ + INTEL_VGA_DEVICE(0x9A78, info) + #endif /* _I915_PCIIDS_H */ diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 328d05e77d9f..469dc512cca3 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -521,6 +521,7 @@ typedef struct drm_i915_irq_wait { #define I915_SCHEDULER_CAP_PRIORITY (1ul << 1) #define I915_SCHEDULER_CAP_PREEMPTION (1ul << 2) #define I915_SCHEDULER_CAP_SEMAPHORES (1ul << 3) +#define I915_SCHEDULER_CAP_ENGINE_BUSY_STATS (1ul << 4) #define I915_PARAM_HUC_STATUS 42 |