diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_pci.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_pci.c | 503 |
1 files changed, 503 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c new file mode 100644 index 000000000000..949c01686a66 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -0,0 +1,503 @@ +/* + * 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 <linux/console.h> +#include <linux/vgaarb.h> +#include <linux/vga_switcheroo.h> + +#include "i915_drv.h" + +#define GEN_DEFAULT_PIPEOFFSETS \ + .pipe_offsets = { PIPE_A_OFFSET, PIPE_B_OFFSET, \ + PIPE_C_OFFSET, PIPE_EDP_OFFSET }, \ + .trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \ + TRANSCODER_C_OFFSET, TRANSCODER_EDP_OFFSET }, \ + .palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET } + +#define GEN_CHV_PIPEOFFSETS \ + .pipe_offsets = { PIPE_A_OFFSET, PIPE_B_OFFSET, \ + CHV_PIPE_C_OFFSET }, \ + .trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \ + CHV_TRANSCODER_C_OFFSET, }, \ + .palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET, \ + CHV_PALETTE_C_OFFSET } + +#define CURSOR_OFFSETS \ + .cursor_offsets = { CURSOR_A_OFFSET, CURSOR_B_OFFSET, CHV_CURSOR_C_OFFSET } + +#define IVB_CURSOR_OFFSETS \ + .cursor_offsets = { CURSOR_A_OFFSET, IVB_CURSOR_B_OFFSET, IVB_CURSOR_C_OFFSET } + +#define BDW_COLORS \ + .color = { .degamma_lut_size = 512, .gamma_lut_size = 512 } +#define CHV_COLORS \ + .color = { .degamma_lut_size = 65, .gamma_lut_size = 257 } + +static const struct intel_device_info intel_i830_info = { + .gen = 2, .is_mobile = 1, .cursor_needs_physical = 1, .num_pipes = 2, + .has_overlay = 1, .overlay_needs_physical = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_845g_info = { + .gen = 2, .num_pipes = 1, + .has_overlay = 1, .overlay_needs_physical = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_i85x_info = { + .gen = 2, .is_i85x = 1, .is_mobile = 1, .num_pipes = 2, + .cursor_needs_physical = 1, + .has_overlay = 1, .overlay_needs_physical = 1, + .has_fbc = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_i865g_info = { + .gen = 2, .num_pipes = 1, + .has_overlay = 1, .overlay_needs_physical = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_i915g_info = { + .gen = 3, .is_i915g = 1, .cursor_needs_physical = 1, .num_pipes = 2, + .has_overlay = 1, .overlay_needs_physical = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; +static const struct intel_device_info intel_i915gm_info = { + .gen = 3, .is_mobile = 1, .num_pipes = 2, + .cursor_needs_physical = 1, + .has_overlay = 1, .overlay_needs_physical = 1, + .supports_tv = 1, + .has_fbc = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; +static const struct intel_device_info intel_i945g_info = { + .gen = 3, .has_hotplug = 1, .cursor_needs_physical = 1, .num_pipes = 2, + .has_overlay = 1, .overlay_needs_physical = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; +static const struct intel_device_info intel_i945gm_info = { + .gen = 3, .is_i945gm = 1, .is_mobile = 1, .num_pipes = 2, + .has_hotplug = 1, .cursor_needs_physical = 1, + .has_overlay = 1, .overlay_needs_physical = 1, + .supports_tv = 1, + .has_fbc = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_i965g_info = { + .gen = 4, .is_broadwater = 1, .num_pipes = 2, + .has_hotplug = 1, + .has_overlay = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_i965gm_info = { + .gen = 4, .is_crestline = 1, .num_pipes = 2, + .is_mobile = 1, .has_fbc = 1, .has_hotplug = 1, + .has_overlay = 1, + .supports_tv = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_g33_info = { + .gen = 3, .is_g33 = 1, .num_pipes = 2, + .need_gfx_hws = 1, .has_hotplug = 1, + .has_overlay = 1, + .ring_mask = RENDER_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_g45_info = { + .gen = 4, .is_g4x = 1, .need_gfx_hws = 1, .num_pipes = 2, + .has_pipe_cxsr = 1, .has_hotplug = 1, + .ring_mask = RENDER_RING | BSD_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_gm45_info = { + .gen = 4, .is_g4x = 1, .num_pipes = 2, + .is_mobile = 1, .need_gfx_hws = 1, .has_fbc = 1, + .has_pipe_cxsr = 1, .has_hotplug = 1, + .supports_tv = 1, + .ring_mask = RENDER_RING | BSD_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_pineview_info = { + .gen = 3, .is_g33 = 1, .is_pineview = 1, .is_mobile = 1, .num_pipes = 2, + .need_gfx_hws = 1, .has_hotplug = 1, + .has_overlay = 1, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_ironlake_d_info = { + .gen = 5, .num_pipes = 2, + .need_gfx_hws = 1, .has_hotplug = 1, + .ring_mask = RENDER_RING | BSD_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_ironlake_m_info = { + .gen = 5, .is_mobile = 1, .num_pipes = 2, + .need_gfx_hws = 1, .has_hotplug = 1, + .has_fbc = 1, + .ring_mask = RENDER_RING | BSD_RING, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_sandybridge_d_info = { + .gen = 6, .num_pipes = 2, + .need_gfx_hws = 1, .has_hotplug = 1, + .has_fbc = 1, + .ring_mask = RENDER_RING | BSD_RING | BLT_RING, + .has_llc = 1, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +static const struct intel_device_info intel_sandybridge_m_info = { + .gen = 6, .is_mobile = 1, .num_pipes = 2, + .need_gfx_hws = 1, .has_hotplug = 1, + .has_fbc = 1, + .ring_mask = RENDER_RING | BSD_RING | BLT_RING, + .has_llc = 1, + GEN_DEFAULT_PIPEOFFSETS, + CURSOR_OFFSETS, +}; + +#define GEN7_FEATURES \ + .gen = 7, .num_pipes = 3, \ + .need_gfx_hws = 1, .has_hotplug = 1, \ + .has_fbc = 1, \ + .ring_mask = RENDER_RING | BSD_RING | BLT_RING, \ + .has_llc = 1, \ + GEN_DEFAULT_PIPEOFFSETS, \ + IVB_CURSOR_OFFSETS + +static const struct intel_device_info intel_ivybridge_d_info = { + GEN7_FEATURES, + .is_ivybridge = 1, +}; + +static const struct intel_device_info intel_ivybridge_m_info = { + GEN7_FEATURES, + .is_ivybridge = 1, + .is_mobile = 1, +}; + +static const struct intel_device_info intel_ivybridge_q_info = { + GEN7_FEATURES, + .is_ivybridge = 1, + .num_pipes = 0, /* legal, last one wins */ +}; + +#define VLV_FEATURES \ + .gen = 7, .num_pipes = 2, \ + .need_gfx_hws = 1, .has_hotplug = 1, \ + .ring_mask = RENDER_RING | BSD_RING | BLT_RING, \ + .display_mmio_offset = VLV_DISPLAY_BASE, \ + GEN_DEFAULT_PIPEOFFSETS, \ + CURSOR_OFFSETS + +static const struct intel_device_info intel_valleyview_m_info = { + VLV_FEATURES, + .is_valleyview = 1, + .is_mobile = 1, +}; + +static const struct intel_device_info intel_valleyview_d_info = { + VLV_FEATURES, + .is_valleyview = 1, +}; + +#define HSW_FEATURES \ + GEN7_FEATURES, \ + .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, \ + .has_ddi = 1, \ + .has_fpga_dbg = 1 + +static const struct intel_device_info intel_haswell_d_info = { + HSW_FEATURES, + .is_haswell = 1, +}; + +static const struct intel_device_info intel_haswell_m_info = { + HSW_FEATURES, + .is_haswell = 1, + .is_mobile = 1, +}; + +#define BDW_FEATURES \ + HSW_FEATURES, \ + BDW_COLORS + +static const struct intel_device_info intel_broadwell_d_info = { + BDW_FEATURES, + .gen = 8, + .is_broadwell = 1, +}; + +static const struct intel_device_info intel_broadwell_m_info = { + BDW_FEATURES, + .gen = 8, .is_mobile = 1, + .is_broadwell = 1, +}; + +static const struct intel_device_info intel_broadwell_gt3d_info = { + BDW_FEATURES, + .gen = 8, + .is_broadwell = 1, + .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING, +}; + +static const struct intel_device_info intel_broadwell_gt3m_info = { + BDW_FEATURES, + .gen = 8, .is_mobile = 1, + .is_broadwell = 1, + .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING, +}; + +static const struct intel_device_info intel_cherryview_info = { + .gen = 8, .num_pipes = 3, + .need_gfx_hws = 1, .has_hotplug = 1, + .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, + .is_cherryview = 1, + .display_mmio_offset = VLV_DISPLAY_BASE, + GEN_CHV_PIPEOFFSETS, + CURSOR_OFFSETS, + CHV_COLORS, +}; + +static const struct intel_device_info intel_skylake_info = { + BDW_FEATURES, + .is_skylake = 1, + .gen = 9, +}; + +static const struct intel_device_info intel_skylake_gt3_info = { + BDW_FEATURES, + .is_skylake = 1, + .gen = 9, + .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING, +}; + +static const struct intel_device_info intel_broxton_info = { + .is_broxton = 1, + .gen = 9, + .need_gfx_hws = 1, .has_hotplug = 1, + .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, + .num_pipes = 3, + .has_ddi = 1, + .has_fpga_dbg = 1, + .has_fbc = 1, + .has_pooled_eu = 0, + GEN_DEFAULT_PIPEOFFSETS, + IVB_CURSOR_OFFSETS, + BDW_COLORS, +}; + +static const struct intel_device_info intel_kabylake_info = { + BDW_FEATURES, + .is_kabylake = 1, + .gen = 9, +}; + +static const struct intel_device_info intel_kabylake_gt3_info = { + BDW_FEATURES, + .is_kabylake = 1, + .gen = 9, + .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING, +}; + +/* + * Make sure any device matches here are from most specific to most + * general. For example, since the Quanta match is based on the subsystem + * and subvendor IDs, we need it to come before the more general IVB + * PCI ID matches, otherwise we'll use the wrong info struct above. + */ +static const struct pci_device_id pciidlist[] = { + INTEL_I830_IDS(&intel_i830_info), + INTEL_I845G_IDS(&intel_845g_info), + INTEL_I85X_IDS(&intel_i85x_info), + INTEL_I865G_IDS(&intel_i865g_info), + INTEL_I915G_IDS(&intel_i915g_info), + INTEL_I915GM_IDS(&intel_i915gm_info), + INTEL_I945G_IDS(&intel_i945g_info), + INTEL_I945GM_IDS(&intel_i945gm_info), + INTEL_I965G_IDS(&intel_i965g_info), + INTEL_G33_IDS(&intel_g33_info), + INTEL_I965GM_IDS(&intel_i965gm_info), + INTEL_GM45_IDS(&intel_gm45_info), + INTEL_G45_IDS(&intel_g45_info), + INTEL_PINEVIEW_IDS(&intel_pineview_info), + INTEL_IRONLAKE_D_IDS(&intel_ironlake_d_info), + INTEL_IRONLAKE_M_IDS(&intel_ironlake_m_info), + INTEL_SNB_D_IDS(&intel_sandybridge_d_info), + INTEL_SNB_M_IDS(&intel_sandybridge_m_info), + INTEL_IVB_Q_IDS(&intel_ivybridge_q_info), /* must be first IVB */ + INTEL_IVB_M_IDS(&intel_ivybridge_m_info), + INTEL_IVB_D_IDS(&intel_ivybridge_d_info), + INTEL_HSW_D_IDS(&intel_haswell_d_info), + INTEL_HSW_M_IDS(&intel_haswell_m_info), + INTEL_VLV_M_IDS(&intel_valleyview_m_info), + INTEL_VLV_D_IDS(&intel_valleyview_d_info), + INTEL_BDW_GT12M_IDS(&intel_broadwell_m_info), + INTEL_BDW_GT12D_IDS(&intel_broadwell_d_info), + INTEL_BDW_GT3M_IDS(&intel_broadwell_gt3m_info), + INTEL_BDW_GT3D_IDS(&intel_broadwell_gt3d_info), + INTEL_CHV_IDS(&intel_cherryview_info), + INTEL_SKL_GT1_IDS(&intel_skylake_info), + INTEL_SKL_GT2_IDS(&intel_skylake_info), + INTEL_SKL_GT3_IDS(&intel_skylake_gt3_info), + INTEL_SKL_GT4_IDS(&intel_skylake_gt3_info), + INTEL_BXT_IDS(&intel_broxton_info), + INTEL_KBL_GT1_IDS(&intel_kabylake_info), + INTEL_KBL_GT2_IDS(&intel_kabylake_info), + INTEL_KBL_GT3_IDS(&intel_kabylake_gt3_info), + INTEL_KBL_GT4_IDS(&intel_kabylake_gt3_info), + {0, 0, 0} +}; +MODULE_DEVICE_TABLE(pci, pciidlist); + +extern int i915_driver_load(struct pci_dev *pdev, + const struct pci_device_id *ent); + +static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct intel_device_info *intel_info = + (struct intel_device_info *) ent->driver_data; + + if (IS_PRELIMINARY_HW(intel_info) && !i915.preliminary_hw_support) { + DRM_INFO("This hardware requires preliminary hardware support.\n" + "See CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT, and/or modparam preliminary_hw_support\n"); + return -ENODEV; + } + + /* Only bind to function 0 of the device. Early generations + * used function 1 as a placeholder for multi-head. This causes + * us confusion instead, especially on the systems where both + * functions have the same PCI-ID! + */ + if (PCI_FUNC(pdev->devfn)) + return -ENODEV; + + /* + * apple-gmux is needed on dual GPU MacBook Pro + * to probe the panel if we're the inactive GPU. + */ + if (vga_switcheroo_client_probe_defer(pdev)) + return -EPROBE_DEFER; + + return i915_driver_load(pdev, ent); +} + +extern void i915_driver_unload(struct drm_device *dev); + +static void i915_pci_remove(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + + i915_driver_unload(dev); + drm_dev_unref(dev); +} + +extern const struct dev_pm_ops i915_pm_ops; + +static struct pci_driver i915_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = i915_pci_probe, + .remove = i915_pci_remove, + .driver.pm = &i915_pm_ops, +}; + +static int __init i915_init(void) +{ + bool use_kms = true; + + /* + * Enable KMS by default, unless explicitly overriden by + * either the i915.modeset prarameter or by the + * vga_text_mode_force boot option. + */ + + if (i915.modeset == 0) + use_kms = false; + + if (vgacon_text_force() && i915.modeset == -1) + use_kms = false; + + if (!use_kms) { + /* Silently fail loading to not upset userspace. */ + DRM_DEBUG_DRIVER("KMS disabled.\n"); + return 0; + } + + return pci_register_driver(&i915_pci_driver); +} + +static void __exit i915_exit(void) +{ + if (!i915_pci_driver.driver.owner) + return; + + pci_unregister_driver(&i915_pci_driver); +} + +module_init(i915_init); +module_exit(i915_exit); + +MODULE_AUTHOR("Tungsten Graphics, Inc."); +MODULE_AUTHOR("Intel Corporation"); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL and additional rights"); |