diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 621 |
1 files changed, 390 insertions, 231 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 85f3eb74d2b7..ae3dc5d1ff52 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -45,6 +45,11 @@ bool intel_pipe_has_type(struct drm_crtc *crtc, int type); static void intel_increase_pllclock(struct drm_crtc *crtc); static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); +static void i9xx_crtc_clock_get(struct intel_crtc *crtc, + struct intel_crtc_config *pipe_config); +static void ironlake_crtc_clock_get(struct intel_crtc *crtc, + struct intel_crtc_config *pipe_config); + typedef struct { int min, max; } intel_range_t; @@ -84,7 +89,7 @@ intel_fdi_link_freq(struct drm_device *dev) return 27; } -static const intel_limit_t intel_limits_i8xx_dvo = { +static const intel_limit_t intel_limits_i8xx_dac = { .dot = { .min = 25000, .max = 350000 }, .vco = { .min = 930000, .max = 1400000 }, .n = { .min = 3, .max = 16 }, @@ -97,6 +102,19 @@ static const intel_limit_t intel_limits_i8xx_dvo = { .p2_slow = 4, .p2_fast = 2 }, }; +static const intel_limit_t intel_limits_i8xx_dvo = { + .dot = { .min = 25000, .max = 350000 }, + .vco = { .min = 930000, .max = 1400000 }, + .n = { .min = 3, .max = 16 }, + .m = { .min = 96, .max = 140 }, + .m1 = { .min = 18, .max = 26 }, + .m2 = { .min = 6, .max = 16 }, + .p = { .min = 4, .max = 128 }, + .p1 = { .min = 2, .max = 33 }, + .p2 = { .dot_limit = 165000, + .p2_slow = 4, .p2_fast = 4 }, +}; + static const intel_limit_t intel_limits_i8xx_lvds = { .dot = { .min = 25000, .max = 350000 }, .vco = { .min = 930000, .max = 1400000 }, @@ -405,8 +423,10 @@ static const intel_limit_t *intel_limit(struct drm_crtc *crtc, int refclk) } else { if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) limit = &intel_limits_i8xx_lvds; - else + else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO)) limit = &intel_limits_i8xx_dvo; + else + limit = &intel_limits_i8xx_dac; } return limit; } @@ -892,8 +912,8 @@ static const char *state_string(bool enabled) } /* Only for pre-ILK configs */ -static void assert_pll(struct drm_i915_private *dev_priv, - enum pipe pipe, bool state) +void assert_pll(struct drm_i915_private *dev_priv, + enum pipe pipe, bool state) { int reg; u32 val; @@ -906,10 +926,8 @@ static void assert_pll(struct drm_i915_private *dev_priv, "PLL state assertion failure (expected %s, current %s)\n", state_string(state), state_string(cur_state)); } -#define assert_pll_enabled(d, p) assert_pll(d, p, true) -#define assert_pll_disabled(d, p) assert_pll(d, p, false) -static struct intel_shared_dpll * +struct intel_shared_dpll * intel_crtc_to_shared_dpll(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; @@ -921,9 +939,9 @@ intel_crtc_to_shared_dpll(struct intel_crtc *crtc) } /* For ILK+ */ -static void assert_shared_dpll(struct drm_i915_private *dev_priv, - struct intel_shared_dpll *pll, - bool state) +void assert_shared_dpll(struct drm_i915_private *dev_priv, + struct intel_shared_dpll *pll, + bool state) { bool cur_state; struct intel_dpll_hw_state hw_state; @@ -942,8 +960,6 @@ static void assert_shared_dpll(struct drm_i915_private *dev_priv, "%s assertion failure (expected %s, current %s)\n", pll->name, state_string(state), state_string(cur_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) static void assert_fdi_tx(struct drm_i915_private *dev_priv, enum pipe pipe, bool state) @@ -1007,15 +1023,19 @@ static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); } -static void assert_fdi_rx_pll_enabled(struct drm_i915_private *dev_priv, - enum pipe pipe) +void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, + enum pipe pipe, bool state) { int reg; u32 val; + bool cur_state; reg = FDI_RX_CTL(pipe); val = I915_READ(reg); - WARN(!(val & FDI_RX_PLL_ENABLE), "FDI RX PLL assertion failure, should be active but is disabled\n"); + cur_state = !!(val & FDI_RX_PLL_ENABLE); + WARN(cur_state != state, + "FDI RX PLL assertion failure (expected %s, current %s)\n", + state_string(state), state_string(cur_state)); } static void assert_panel_unlocked(struct drm_i915_private *dev_priv, @@ -1111,7 +1131,7 @@ static void assert_planes_disabled(struct drm_i915_private *dev_priv, } /* Need to check both planes against the pipe */ - for (i = 0; i < INTEL_INFO(dev)->num_pipes; i++) { + for_each_pipe(i) { reg = DSPCNTR(i); val = I915_READ(reg); cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> @@ -1301,51 +1321,92 @@ static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); } -/** - * intel_enable_pll - enable a PLL - * @dev_priv: i915 private structure - * @pipe: pipe PLL to enable - * - * Enable @pipe's PLL so we can start pumping pixels from a plane. Check to - * make sure the PLL reg is writable first though, since the panel write - * protect mechanism may be enabled. - * - * Note! This is for pre-ILK only. - * - * Unfortunately needed by dvo_ns2501 since the dvo depends on it running. - */ -static void intel_enable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) +static void vlv_enable_pll(struct intel_crtc *crtc) { - int reg; - u32 val; + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + int reg = DPLL(crtc->pipe); + u32 dpll = crtc->config.dpll_hw_state.dpll; - assert_pipe_disabled(dev_priv, pipe); + assert_pipe_disabled(dev_priv, crtc->pipe); /* No really, not for ILK+ */ - BUG_ON(!IS_VALLEYVIEW(dev_priv->dev) && dev_priv->info->gen >= 5); + BUG_ON(!IS_VALLEYVIEW(dev_priv->dev)); /* PLL is protected by panel, make sure we can write it */ if (IS_MOBILE(dev_priv->dev) && !IS_I830(dev_priv->dev)) - assert_panel_unlocked(dev_priv, pipe); + assert_panel_unlocked(dev_priv, crtc->pipe); - reg = DPLL(pipe); - val = I915_READ(reg); - val |= DPLL_VCO_ENABLE; + I915_WRITE(reg, dpll); + POSTING_READ(reg); + udelay(150); + + if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) + DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe); + + I915_WRITE(DPLL_MD(crtc->pipe), crtc->config.dpll_hw_state.dpll_md); + POSTING_READ(DPLL_MD(crtc->pipe)); /* We do this three times for luck */ - I915_WRITE(reg, val); + I915_WRITE(reg, dpll); POSTING_READ(reg); udelay(150); /* wait for warmup */ - I915_WRITE(reg, val); + I915_WRITE(reg, dpll); POSTING_READ(reg); udelay(150); /* wait for warmup */ - I915_WRITE(reg, val); + I915_WRITE(reg, dpll); + POSTING_READ(reg); + udelay(150); /* wait for warmup */ +} + +static void i9xx_enable_pll(struct intel_crtc *crtc) +{ + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + int reg = DPLL(crtc->pipe); + u32 dpll = crtc->config.dpll_hw_state.dpll; + + assert_pipe_disabled(dev_priv, crtc->pipe); + + /* No really, not for ILK+ */ + BUG_ON(dev_priv->info->gen >= 5); + + /* PLL is protected by panel, make sure we can write it */ + if (IS_MOBILE(dev) && !IS_I830(dev)) + assert_panel_unlocked(dev_priv, crtc->pipe); + + I915_WRITE(reg, dpll); + + /* Wait for the clocks to stabilize. */ + POSTING_READ(reg); + udelay(150); + + if (INTEL_INFO(dev)->gen >= 4) { + I915_WRITE(DPLL_MD(crtc->pipe), + crtc->config.dpll_hw_state.dpll_md); + } else { + /* The pixel multiplier can only be updated once the + * DPLL is enabled and the clocks are stable. + * + * So write it again. + */ + I915_WRITE(reg, dpll); + } + + /* We do this three times for luck */ + I915_WRITE(reg, dpll); + POSTING_READ(reg); + udelay(150); /* wait for warmup */ + I915_WRITE(reg, dpll); + POSTING_READ(reg); + udelay(150); /* wait for warmup */ + I915_WRITE(reg, dpll); POSTING_READ(reg); udelay(150); /* wait for warmup */ } /** - * intel_disable_pll - disable a PLL + * i9xx_disable_pll - disable a PLL * @dev_priv: i915 private structure * @pipe: pipe PLL to disable * @@ -1353,11 +1414,8 @@ static void intel_enable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) * * Note! This is for pre-ILK only. */ -static void intel_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) +static void i9xx_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) { - int reg; - u32 val; - /* Don't disable pipe A or pipe A PLLs if needed */ if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) return; @@ -1365,11 +1423,8 @@ static void intel_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) /* Make sure the pipe isn't still relying on us */ assert_pipe_disabled(dev_priv, pipe); - reg = DPLL(pipe); - val = I915_READ(reg); - val &= ~DPLL_VCO_ENABLE; - I915_WRITE(reg, val); - POSTING_READ(reg); + I915_WRITE(DPLL(pipe), 0); + POSTING_READ(DPLL(pipe)); } void vlv_wait_port_ready(struct drm_i915_private *dev_priv, int port) @@ -1942,16 +1997,17 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb, intel_crtc->dspaddr_offset = linear_offset; } - DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n", - obj->gtt_offset, linear_offset, x, y, fb->pitches[0]); + DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n", + i915_gem_obj_ggtt_offset(obj), linear_offset, x, y, + fb->pitches[0]); I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); if (INTEL_INFO(dev)->gen >= 4) { I915_MODIFY_DISPBASE(DSPSURF(plane), - obj->gtt_offset + intel_crtc->dspaddr_offset); + i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); I915_WRITE(DSPLINOFF(plane), linear_offset); } else - I915_WRITE(DSPADDR(plane), obj->gtt_offset + linear_offset); + I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset); POSTING_READ(reg); return 0; @@ -2031,11 +2087,12 @@ static int ironlake_update_plane(struct drm_crtc *crtc, fb->pitches[0]); linear_offset -= intel_crtc->dspaddr_offset; - DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n", - obj->gtt_offset, linear_offset, x, y, fb->pitches[0]); + DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n", + i915_gem_obj_ggtt_offset(obj), linear_offset, x, y, + fb->pitches[0]); I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); I915_MODIFY_DISPBASE(DSPSURF(plane), - obj->gtt_offset + intel_crtc->dspaddr_offset); + i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); if (IS_HASWELL(dev)) { I915_WRITE(DSPOFFSET(plane), (y << 16) | x); } else { @@ -2183,6 +2240,20 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, return ret; } + /* Update pipe size and adjust fitter if needed */ + if (i915_fastboot) { + I915_WRITE(PIPESRC(intel_crtc->pipe), + ((crtc->mode.hdisplay - 1) << 16) | + (crtc->mode.vdisplay - 1)); + if (!intel_crtc->config.pch_pfit.size && + (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || + intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { + I915_WRITE(PF_CTL(intel_crtc->pipe), 0); + I915_WRITE(PF_WIN_POS(intel_crtc->pipe), 0); + I915_WRITE(PF_WIN_SZ(intel_crtc->pipe), 0); + } + } + ret = dev_priv->display.update_plane(crtc, fb, x, y); if (ret) { intel_unpin_fb_obj(to_intel_framebuffer(fb)->obj); @@ -2927,15 +2998,8 @@ static void ironlake_pch_enable(struct drm_crtc *crtc) /* For PCH output, training FDI link */ dev_priv->display.fdi_link_train(crtc); - /* XXX: pch pll's can be enabled any time before we enable the PCH - * transcoder, and we actually should do this to not upset any PCH - * transcoder that already use the clock when we share it. - * - * Note that enable_shared_dpll tries to do the right thing, but - * get_shared_dpll unconditionally resets the pll - we need that to have - * the right LVDS enable sequence. */ - ironlake_enable_shared_dpll(intel_crtc); - + /* We need to program the right clock selection before writing the pixel + * mutliplier into the DPLL. */ if (HAS_PCH_CPT(dev)) { u32 sel; @@ -2949,6 +3013,15 @@ static void ironlake_pch_enable(struct drm_crtc *crtc) I915_WRITE(PCH_DPLL_SEL, temp); } + /* XXX: pch pll's can be enabled any time before we enable the PCH + * transcoder, and we actually should do this to not upset any PCH + * transcoder that already use the clock when we share it. + * + * Note that enable_shared_dpll tries to do the right thing, but + * get_shared_dpll unconditionally resets the pll - we need that to have + * the right LVDS enable sequence. */ + ironlake_enable_shared_dpll(intel_crtc); + /* set transcoder timing, panel must allow it */ assert_panel_unlocked(dev_priv, pipe); ironlake_pch_transcoder_set_timings(intel_crtc, pipe); @@ -3031,7 +3104,7 @@ static void intel_put_shared_dpll(struct intel_crtc *crtc) crtc->config.shared_dpll = DPLL_ID_PRIVATE; } -static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, u32 dpll, u32 fp) +static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); @@ -3045,7 +3118,7 @@ static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, if (HAS_PCH_IBX(dev_priv->dev)) { /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ - i = crtc->pipe; + i = (enum intel_dpll_id) crtc->pipe; pll = &dev_priv->shared_dplls[i]; DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", @@ -3061,8 +3134,8 @@ static struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, if (pll->refcount == 0) continue; - if (dpll == (I915_READ(PCH_DPLL(pll->id)) & 0x7fffffff) && - fp == I915_READ(PCH_FP0(pll->id))) { + if (memcmp(&crtc->config.dpll_hw_state, &pll->hw_state, + sizeof(pll->hw_state)) == 0) { DRM_DEBUG_KMS("CRTC:%d sharing existing %s (refcount %d, ative %d)\n", crtc->base.base.id, pll->name, pll->refcount, pll->active); @@ -3096,13 +3169,7 @@ found: WARN_ON(pll->on); assert_shared_dpll_disabled(dev_priv, pll); - /* Wait for the clocks to stabilize before rewriting the regs */ - I915_WRITE(PCH_DPLL(pll->id), dpll & ~DPLL_VCO_ENABLE); - POSTING_READ(PCH_DPLL(pll->id)); - udelay(150); - - I915_WRITE(PCH_FP0(pll->id), fp); - I915_WRITE(PCH_DPLL(pll->id), dpll & ~DPLL_VCO_ENABLE); + pll->mode_set(dev_priv, pll); } pll->refcount++; @@ -3174,7 +3241,6 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) struct intel_encoder *encoder; int pipe = intel_crtc->pipe; int plane = intel_crtc->plane; - u32 temp; WARN_ON(!crtc->enabled); @@ -3188,12 +3254,9 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) intel_update_watermarks(dev); - if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { - temp = I915_READ(PCH_LVDS); - if ((temp & LVDS_PORT_EN) == 0) - I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN); - } - + for_each_encoder_on_crtc(dev, crtc, encoder) + if (encoder->pre_enable) + encoder->pre_enable(encoder); if (intel_crtc->config.has_pch_encoder) { /* Note: FDI PLL enabling _must_ be done before we enable the @@ -3205,10 +3268,6 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) assert_fdi_rx_disabled(dev_priv, pipe); } - for_each_encoder_on_crtc(dev, crtc, encoder) - if (encoder->pre_enable) - encoder->pre_enable(encoder); - ironlake_pfit_enable(intel_crtc); /* @@ -3389,7 +3448,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) intel_crtc_wait_for_pending_flips(crtc); drm_vblank_off(dev, pipe); - if (dev_priv->cfb_plane == plane) + if (dev_priv->fbc.plane == plane) intel_disable_fbc(dev); intel_crtc_update_cursor(crtc, false); @@ -3462,7 +3521,7 @@ static void haswell_crtc_disable(struct drm_crtc *crtc) drm_vblank_off(dev, pipe); /* FBC must be disabled before disabling the plane on HSW. */ - if (dev_priv->cfb_plane == plane) + if (dev_priv->fbc.plane == plane) intel_disable_fbc(dev); hsw_disable_ips(intel_crtc); @@ -3599,7 +3658,7 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc) if (encoder->pre_pll_enable) encoder->pre_pll_enable(encoder); - intel_enable_pll(dev_priv, pipe); + vlv_enable_pll(intel_crtc); for_each_encoder_on_crtc(dev, crtc, encoder) if (encoder->pre_enable) @@ -3640,12 +3699,12 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc) intel_crtc->active = true; intel_update_watermarks(dev); - intel_enable_pll(dev_priv, pipe); - for_each_encoder_on_crtc(dev, crtc, encoder) if (encoder->pre_enable) encoder->pre_enable(encoder); + i9xx_enable_pll(intel_crtc); + i9xx_pfit_enable(intel_crtc); intel_crtc_load_lut(crtc); @@ -3701,7 +3760,7 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc) intel_crtc_wait_for_pending_flips(crtc); drm_vblank_off(dev, pipe); - if (dev_priv->cfb_plane == plane) + if (dev_priv->fbc.plane == plane) intel_disable_fbc(dev); intel_crtc_dpms_overlay(intel_crtc, false); @@ -3717,7 +3776,7 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc) if (encoder->post_disable) encoder->post_disable(encoder); - intel_disable_pll(dev_priv, pipe); + i9xx_disable_pll(dev_priv, pipe); intel_crtc->active = false; intel_update_fbc(dev); @@ -4266,14 +4325,17 @@ static void i9xx_update_pll_dividers(struct intel_crtc *crtc, } I915_WRITE(FP0(pipe), fp); + crtc->config.dpll_hw_state.fp0 = fp; crtc->lowfreq_avail = false; if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && reduced_clock && i915_powersave) { I915_WRITE(FP1(pipe), fp2); + crtc->config.dpll_hw_state.fp1 = fp2; crtc->lowfreq_avail = true; } else { I915_WRITE(FP1(pipe), fp); + crtc->config.dpll_hw_state.fp1 = fp; } } @@ -4351,7 +4413,6 @@ static void vlv_update_pll(struct intel_crtc *crtc) { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_encoder *encoder; int pipe = crtc->pipe; u32 dpll, mdiv; u32 bestn, bestm1, bestm2, bestp1, bestp2; @@ -4407,7 +4468,7 @@ static void vlv_update_pll(struct intel_crtc *crtc) intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_ANALOG) || intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_HDMI)) vlv_dpio_write(dev_priv, DPIO_LPF_COEFF(pipe), - 0x005f0021); + 0x009f0003); else vlv_dpio_write(dev_priv, DPIO_LPF_COEFF(pipe), 0x00d0000f); @@ -4440,10 +4501,6 @@ static void vlv_update_pll(struct intel_crtc *crtc) vlv_dpio_write(dev_priv, DPIO_PLL_CML(pipe), 0x87871000); - for_each_encoder_on_crtc(dev, &crtc->base, encoder) - if (encoder->pre_pll_enable) - encoder->pre_pll_enable(encoder); - /* Enable DPIO clock input */ dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_CLOCK_VLV; @@ -4451,17 +4508,11 @@ static void vlv_update_pll(struct intel_crtc *crtc) dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; dpll |= DPLL_VCO_ENABLE; - I915_WRITE(DPLL(pipe), dpll); - POSTING_READ(DPLL(pipe)); - udelay(150); - - if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) - DRM_ERROR("DPLL %d failed to lock\n", pipe); + crtc->config.dpll_hw_state.dpll = dpll; dpll_md = (crtc->config.pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; - I915_WRITE(DPLL_MD(pipe), dpll_md); - POSTING_READ(DPLL_MD(pipe)); + crtc->config.dpll_hw_state.dpll_md = dpll_md; if (crtc->config.has_dp_encoder) intel_dp_set_m_n(crtc); @@ -4475,8 +4526,6 @@ static void i9xx_update_pll(struct intel_crtc *crtc, { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_encoder *encoder; - int pipe = crtc->pipe; u32 dpll; bool is_sdvo; struct dpll *clock = &crtc->config.dpll; @@ -4499,10 +4548,10 @@ static void i9xx_update_pll(struct intel_crtc *crtc, } if (is_sdvo) - dpll |= DPLL_DVO_HIGH_SPEED; + dpll |= DPLL_SDVO_HIGH_SPEED; if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DISPLAYPORT)) - dpll |= DPLL_DVO_HIGH_SPEED; + dpll |= DPLL_SDVO_HIGH_SPEED; /* compute bitmask from p1 value */ if (IS_PINEVIEW(dev)) @@ -4538,35 +4587,16 @@ static void i9xx_update_pll(struct intel_crtc *crtc, dpll |= PLL_REF_INPUT_DREFCLK; dpll |= DPLL_VCO_ENABLE; - I915_WRITE(DPLL(pipe), dpll & ~DPLL_VCO_ENABLE); - POSTING_READ(DPLL(pipe)); - udelay(150); - - for_each_encoder_on_crtc(dev, &crtc->base, encoder) - if (encoder->pre_pll_enable) - encoder->pre_pll_enable(encoder); - - if (crtc->config.has_dp_encoder) - intel_dp_set_m_n(crtc); - - I915_WRITE(DPLL(pipe), dpll); - - /* Wait for the clocks to stabilize. */ - POSTING_READ(DPLL(pipe)); - udelay(150); + crtc->config.dpll_hw_state.dpll = dpll; if (INTEL_INFO(dev)->gen >= 4) { u32 dpll_md = (crtc->config.pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; - I915_WRITE(DPLL_MD(pipe), dpll_md); - } else { - /* The pixel multiplier can only be updated once the - * DPLL is enabled and the clocks are stable. - * - * So write it again. - */ - I915_WRITE(DPLL(pipe), dpll); + crtc->config.dpll_hw_state.dpll_md = dpll_md; } + + if (crtc->config.has_dp_encoder) + intel_dp_set_m_n(crtc); } static void i8xx_update_pll(struct intel_crtc *crtc, @@ -4575,8 +4605,6 @@ static void i8xx_update_pll(struct intel_crtc *crtc, { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_encoder *encoder; - int pipe = crtc->pipe; u32 dpll; struct dpll *clock = &crtc->config.dpll; @@ -4595,6 +4623,9 @@ static void i8xx_update_pll(struct intel_crtc *crtc, dpll |= PLL_P2_DIVIDE_BY_4; } + if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_DVO)) + dpll |= DPLL_DVO_2X_MODE; + if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) && intel_panel_use_ssc(dev_priv) && num_connectors < 2) dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; @@ -4602,26 +4633,7 @@ static void i8xx_update_pll(struct intel_crtc *crtc, dpll |= PLL_REF_INPUT_DREFCLK; dpll |= DPLL_VCO_ENABLE; - I915_WRITE(DPLL(pipe), dpll & ~DPLL_VCO_ENABLE); - POSTING_READ(DPLL(pipe)); - udelay(150); - - for_each_encoder_on_crtc(dev, &crtc->base, encoder) - if (encoder->pre_pll_enable) - encoder->pre_pll_enable(encoder); - - I915_WRITE(DPLL(pipe), dpll); - - /* Wait for the clocks to stabilize. */ - POSTING_READ(DPLL(pipe)); - udelay(150); - - /* The pixel multiplier can only be updated once the - * DPLL is enabled and the clocks are stable. - * - * So write it again. - */ - I915_WRITE(DPLL(pipe), dpll); + crtc->config.dpll_hw_state.dpll = dpll; } static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) @@ -4727,6 +4739,27 @@ static void intel_get_pipe_timings(struct intel_crtc *crtc, pipe_config->requested_mode.hdisplay = ((tmp >> 16) & 0xffff) + 1; } +static void intel_crtc_mode_from_pipe_config(struct intel_crtc *intel_crtc, + struct intel_crtc_config *pipe_config) +{ + struct drm_crtc *crtc = &intel_crtc->base; + + crtc->mode.hdisplay = pipe_config->adjusted_mode.crtc_hdisplay; + crtc->mode.htotal = pipe_config->adjusted_mode.crtc_htotal; + crtc->mode.hsync_start = pipe_config->adjusted_mode.crtc_hsync_start; + crtc->mode.hsync_end = pipe_config->adjusted_mode.crtc_hsync_end; + + crtc->mode.vdisplay = pipe_config->adjusted_mode.crtc_vdisplay; + crtc->mode.vtotal = pipe_config->adjusted_mode.crtc_vtotal; + crtc->mode.vsync_start = pipe_config->adjusted_mode.crtc_vsync_start; + crtc->mode.vsync_end = pipe_config->adjusted_mode.crtc_vsync_end; + + crtc->mode.flags = pipe_config->adjusted_mode.flags; + + crtc->mode.clock = pipe_config->adjusted_mode.clock; + crtc->mode.flags |= pipe_config->adjusted_mode.flags; +} + static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) { struct drm_device *dev = intel_crtc->base.dev; @@ -4942,7 +4975,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc, struct drm_i915_private *dev_priv = dev->dev_private; uint32_t tmp; - pipe_config->cpu_transcoder = crtc->pipe; + pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; pipe_config->shared_dpll = DPLL_ID_PRIVATE; tmp = I915_READ(PIPECONF(crtc->pipe)); @@ -4958,6 +4991,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc, pipe_config->pixel_multiplier = ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; + pipe_config->dpll_hw_state.dpll_md = tmp; } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { tmp = I915_READ(DPLL(crtc->pipe)); pipe_config->pixel_multiplier = @@ -4969,6 +5003,16 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc, * function. */ pipe_config->pixel_multiplier = 1; } + pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); + if (!IS_VALLEYVIEW(dev)) { + pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); + pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); + } else { + /* Mask out read-only status bits. */ + pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | + DPLL_PORTC_READY_MASK | + DPLL_PORTB_READY_MASK); + } return true; } @@ -5613,9 +5657,9 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; if (is_sdvo) - dpll |= DPLL_DVO_HIGH_SPEED; + dpll |= DPLL_SDVO_HIGH_SPEED; if (intel_crtc->config.has_dp_encoder) - dpll |= DPLL_DVO_HIGH_SPEED; + dpll |= DPLL_SDVO_HIGH_SPEED; /* compute bitmask from p1 value */ dpll |= (1 << (intel_crtc->config.dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; @@ -5711,7 +5755,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, else intel_crtc->config.dpll_hw_state.fp1 = fp; - pll = intel_get_shared_dpll(intel_crtc, dpll, fp); + pll = intel_get_shared_dpll(intel_crtc); if (pll == NULL) { DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", pipe_name(pipe)); @@ -5723,10 +5767,6 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, if (intel_crtc->config.has_dp_encoder) intel_dp_set_m_n(intel_crtc); - for_each_encoder_on_crtc(dev, crtc, encoder) - if (encoder->pre_pll_enable) - encoder->pre_pll_enable(encoder); - if (is_lvds && has_reduced_clock && i915_powersave) intel_crtc->lowfreq_avail = true; else @@ -5735,23 +5775,6 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, if (intel_crtc->config.has_pch_encoder) { pll = intel_crtc_to_shared_dpll(intel_crtc); - I915_WRITE(PCH_DPLL(pll->id), dpll); - - /* Wait for the clocks to stabilize. */ - POSTING_READ(PCH_DPLL(pll->id)); - udelay(150); - - /* The pixel multiplier can only be updated once the - * DPLL is enabled and the clocks are stable. - * - * So write it again. - */ - I915_WRITE(PCH_DPLL(pll->id), dpll); - - if (has_reduced_clock) - I915_WRITE(PCH_FP1(pll->id), fp2); - else - I915_WRITE(PCH_FP1(pll->id), fp); } intel_set_pipe_timings(intel_crtc); @@ -5823,7 +5846,7 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc, struct drm_i915_private *dev_priv = dev->dev_private; uint32_t tmp; - pipe_config->cpu_transcoder = crtc->pipe; + pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; pipe_config->shared_dpll = DPLL_ID_PRIVATE; tmp = I915_READ(PIPECONF(crtc->pipe)); @@ -5841,12 +5864,9 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc, ironlake_get_fdi_m_n_config(crtc, pipe_config); - /* XXX: Can't properly read out the pch dpll pixel multiplier - * since we don't have state tracking for pch clocks yet. */ - pipe_config->pixel_multiplier = 1; - if (HAS_PCH_IBX(dev_priv->dev)) { - pipe_config->shared_dpll = crtc->pipe; + pipe_config->shared_dpll = + (enum intel_dpll_id) crtc->pipe; } else { tmp = I915_READ(PCH_DPLL_SEL); if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) @@ -5859,6 +5879,11 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc, WARN_ON(!pll->get_hw_state(dev_priv, pll, &pipe_config->dpll_hw_state)); + + tmp = pipe_config->dpll_hw_state.dpll; + pipe_config->pixel_multiplier = + ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) + >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; } else { pipe_config->pixel_multiplier = 1; } @@ -5938,7 +5963,7 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, enum intel_display_power_domain pfit_domain; uint32_t tmp; - pipe_config->cpu_transcoder = crtc->pipe; + pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; pipe_config->shared_dpll = DPLL_ID_PRIVATE; tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); @@ -6551,7 +6576,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, goto fail_unpin; } - addr = obj->gtt_offset; + addr = i915_gem_obj_ggtt_offset(obj); } else { int align = IS_I830(dev) ? 16 * 1024 : 256; ret = i915_gem_attach_phys_object(dev, obj, @@ -6878,11 +6903,12 @@ void intel_release_load_detect_pipe(struct drm_connector *connector, } /* Returns the clock of the currently programmed mode of the given pipe. */ -static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc) +static void i9xx_crtc_clock_get(struct intel_crtc *crtc, + struct intel_crtc_config *pipe_config) { + struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int pipe = intel_crtc->pipe; + int pipe = pipe_config->cpu_transcoder; u32 dpll = I915_READ(DPLL(pipe)); u32 fp; intel_clock_t clock; @@ -6921,7 +6947,8 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc) default: DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " "mode\n", (int)(dpll & DPLL_MODE_MASK)); - return 0; + pipe_config->adjusted_mode.clock = 0; + return; } if (IS_PINEVIEW(dev)) @@ -6958,12 +6985,55 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc) } } - /* XXX: It would be nice to validate the clocks, but we can't reuse - * i830PllIsValid() because it relies on the xf86_config connector - * configuration being accurate, which it isn't necessarily. + pipe_config->adjusted_mode.clock = clock.dot * + pipe_config->pixel_multiplier; +} + +static void ironlake_crtc_clock_get(struct intel_crtc *crtc, + struct intel_crtc_config *pipe_config) +{ + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; + int link_freq, repeat; + u64 clock; + u32 link_m, link_n; + + repeat = pipe_config->pixel_multiplier; + + /* + * The calculation for the data clock is: + * pixel_clock = ((m/n)*(link_clock * nr_lanes * repeat))/bpp + * But we want to avoid losing precison if possible, so: + * pixel_clock = ((m * link_clock * nr_lanes * repeat)/(n*bpp)) + * + * and the link clock is simpler: + * link_clock = (m * link_clock * repeat) / n */ - return clock.dot; + /* + * We need to get the FDI or DP link clock here to derive + * the M/N dividers. + * + * For FDI, we read it from the BIOS or use a fixed 2.7GHz. + * For DP, it's either 1.62GHz or 2.7GHz. + * We do our calculations in 10*MHz since we don't need much precison. + */ + if (pipe_config->has_pch_encoder) + link_freq = intel_fdi_link_freq(dev) * 10000; + else + link_freq = pipe_config->port_clock; + + link_m = I915_READ(PIPE_LINK_M1(cpu_transcoder)); + link_n = I915_READ(PIPE_LINK_N1(cpu_transcoder)); + + if (!link_m || !link_n) + return; + + clock = ((u64)link_m * (u64)link_freq * (u64)repeat); + do_div(clock, link_n); + + pipe_config->adjusted_mode.clock = clock; } /** Returns the currently programmed mode of the given pipe. */ @@ -6974,6 +7044,7 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, struct intel_crtc *intel_crtc = to_intel_crtc(crtc); enum transcoder cpu_transcoder = intel_crtc->config.cpu_transcoder; struct drm_display_mode *mode; + struct intel_crtc_config pipe_config; int htot = I915_READ(HTOTAL(cpu_transcoder)); int hsync = I915_READ(HSYNC(cpu_transcoder)); int vtot = I915_READ(VTOTAL(cpu_transcoder)); @@ -6983,7 +7054,18 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, if (!mode) return NULL; - mode->clock = intel_crtc_clock_get(dev, crtc); + /* + * Construct a pipe_config sufficient for getting the clock info + * back out of crtc_clock_get. + * + * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need + * to use a real value here instead. + */ + pipe_config.cpu_transcoder = (enum transcoder) intel_crtc->pipe; + pipe_config.pixel_multiplier = 1; + i9xx_crtc_clock_get(intel_crtc, &pipe_config); + + mode->clock = pipe_config.adjusted_mode.clock; mode->hdisplay = (htot & 0xffff) + 1; mode->htotal = ((htot & 0xffff0000) >> 16) + 1; mode->hsync_start = (hsync & 0xffff) + 1; @@ -7266,7 +7348,7 @@ static int intel_gen2_queue_flip(struct drm_device *dev, intel_ring_emit(ring, MI_DISPLAY_FLIP | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); intel_ring_emit(ring, fb->pitches[0]); - intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); + intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); intel_ring_emit(ring, 0); /* aux display base address, unused */ intel_mark_page_flip_active(intel_crtc); @@ -7307,7 +7389,7 @@ static int intel_gen3_queue_flip(struct drm_device *dev, intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); intel_ring_emit(ring, fb->pitches[0]); - intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); + intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); intel_ring_emit(ring, MI_NOOP); intel_mark_page_flip_active(intel_crtc); @@ -7347,7 +7429,7 @@ static int intel_gen4_queue_flip(struct drm_device *dev, MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); intel_ring_emit(ring, fb->pitches[0]); intel_ring_emit(ring, - (obj->gtt_offset + intel_crtc->dspaddr_offset) | + (i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset) | obj->tiling_mode); /* XXX Enabling the panel-fitter across page-flip is so far @@ -7390,7 +7472,7 @@ static int intel_gen6_queue_flip(struct drm_device *dev, intel_ring_emit(ring, MI_DISPLAY_FLIP | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); - intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); + intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); /* Contrary to the suggestions in the documentation, * "Enable Panel Fitter" does not seem to be required when page @@ -7455,7 +7537,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev, intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); - intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); + intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); intel_ring_emit(ring, (MI_NOOP)); intel_mark_page_flip_active(intel_crtc); @@ -7809,7 +7891,8 @@ intel_modeset_pipe_config(struct drm_crtc *crtc, drm_mode_copy(&pipe_config->adjusted_mode, mode); drm_mode_copy(&pipe_config->requested_mode, mode); - pipe_config->cpu_transcoder = to_intel_crtc(crtc)->pipe; + pipe_config->cpu_transcoder = + (enum transcoder) to_intel_crtc(crtc)->pipe; pipe_config->shared_dpll = DPLL_ID_PRIVATE; /* Compute a starting value for pipe_config->pipe_bpp taking the source @@ -8044,6 +8127,28 @@ intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) } +static bool intel_fuzzy_clock_check(struct intel_crtc_config *cur, + struct intel_crtc_config *new) +{ + int clock1, clock2, diff; + + clock1 = cur->adjusted_mode.clock; + clock2 = new->adjusted_mode.clock; + + if (clock1 == clock2) + return true; + + if (!clock1 || !clock2) + return false; + + diff = abs(clock1 - clock2); + + if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) + return true; + + return false; +} + #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ list_for_each_entry((intel_crtc), \ &(dev)->mode_config.crtc_list, \ @@ -8075,7 +8180,7 @@ intel_pipe_config_compare(struct drm_device *dev, #define PIPE_CONF_CHECK_FLAGS(name, mask) \ if ((current_config->name ^ pipe_config->name) & (mask)) { \ - DRM_ERROR("mismatch in " #name " " \ + DRM_ERROR("mismatch in " #name "(" #mask ") " \ "(expected %i, found %i)\n", \ current_config->name & (mask), \ pipe_config->name & (mask)); \ @@ -8109,8 +8214,7 @@ intel_pipe_config_compare(struct drm_device *dev, PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_start); PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_end); - if (!HAS_PCH_SPLIT(dev)) - PIPE_CONF_CHECK_I(pixel_multiplier); + PIPE_CONF_CHECK_I(pixel_multiplier); PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags, DRM_MODE_FLAG_INTERLACE); @@ -8141,6 +8245,7 @@ intel_pipe_config_compare(struct drm_device *dev, PIPE_CONF_CHECK_I(shared_dpll); PIPE_CONF_CHECK_X(dpll_hw_state.dpll); + PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); PIPE_CONF_CHECK_X(dpll_hw_state.fp0); PIPE_CONF_CHECK_X(dpll_hw_state.fp1); @@ -8149,6 +8254,15 @@ intel_pipe_config_compare(struct drm_device *dev, #undef PIPE_CONF_CHECK_FLAGS #undef PIPE_CONF_QUIRK + if (!IS_HASWELL(dev)) { + if (!intel_fuzzy_clock_check(current_config, pipe_config)) { + DRM_ERROR("mismatch in clock (expected %d, found %d)\n", + current_config->adjusted_mode.clock, + pipe_config->adjusted_mode.clock); + return false; + } + } + return true; } @@ -8278,6 +8392,9 @@ check_crtc_state(struct drm_device *dev) encoder->get_config(encoder, &pipe_config); } + if (dev_priv->display.get_clock) + dev_priv->display.get_clock(crtc, &pipe_config); + WARN(crtc->active != active, "crtc active state doesn't match with hw state " "(expected %i, found %i)\n", crtc->active, active); @@ -8569,8 +8686,16 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set, } else if (set->crtc->fb != set->fb) { /* If we have no fb then treat it as a full mode set */ if (set->crtc->fb == NULL) { - DRM_DEBUG_KMS("crtc has no fb, full mode set\n"); - config->mode_changed = true; + struct intel_crtc *intel_crtc = + to_intel_crtc(set->crtc); + + if (intel_crtc->active && i915_fastboot) { + DRM_DEBUG_KMS("crtc has no fb, will flip\n"); + config->fb_changed = true; + } else { + DRM_DEBUG_KMS("inactive crtc, full mode set\n"); + config->mode_changed = true; + } } else if (set->fb == NULL) { config->mode_changed = true; } else if (set->fb->pixel_format != @@ -8800,19 +8925,32 @@ static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, return val & DPLL_VCO_ENABLE; } +static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv, + struct intel_shared_dpll *pll) +{ + I915_WRITE(PCH_FP0(pll->id), pll->hw_state.fp0); + I915_WRITE(PCH_FP1(pll->id), pll->hw_state.fp1); +} + static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv, struct intel_shared_dpll *pll) { - uint32_t reg, val; - /* PCH refclock must be enabled first */ assert_pch_refclk_enabled(dev_priv); - reg = PCH_DPLL(pll->id); - val = I915_READ(reg); - val |= DPLL_VCO_ENABLE; - I915_WRITE(reg, val); - POSTING_READ(reg); + I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll); + + /* Wait for the clocks to stabilize. */ + POSTING_READ(PCH_DPLL(pll->id)); + udelay(150); + + /* The pixel multiplier can only be updated once the + * DPLL is enabled and the clocks are stable. + * + * So write it again. + */ + I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll); + POSTING_READ(PCH_DPLL(pll->id)); udelay(200); } @@ -8821,7 +8959,6 @@ static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, { struct drm_device *dev = dev_priv->dev; struct intel_crtc *crtc; - uint32_t reg, val; /* Make sure no transcoder isn't still depending on us. */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) { @@ -8829,11 +8966,8 @@ static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, assert_pch_transcoder_disabled(dev_priv, crtc->pipe); } - reg = PCH_DPLL(pll->id); - val = I915_READ(reg); - val &= ~DPLL_VCO_ENABLE; - I915_WRITE(reg, val); - POSTING_READ(reg); + I915_WRITE(PCH_DPLL(pll->id), 0); + POSTING_READ(PCH_DPLL(pll->id)); udelay(200); } @@ -8852,6 +8986,7 @@ static void ibx_pch_dpll_init(struct drm_device *dev) for (i = 0; i < dev_priv->num_shared_dpll; i++) { dev_priv->shared_dplls[i].id = i; dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i]; + dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set; dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable; dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable; dev_priv->shared_dplls[i].get_hw_state = @@ -9268,6 +9403,7 @@ static void intel_init_display(struct drm_device *dev) dev_priv->display.update_plane = ironlake_update_plane; } else if (HAS_PCH_SPLIT(dev)) { dev_priv->display.get_pipe_config = ironlake_get_pipe_config; + dev_priv->display.get_clock = ironlake_crtc_clock_get; dev_priv->display.crtc_mode_set = ironlake_crtc_mode_set; dev_priv->display.crtc_enable = ironlake_crtc_enable; dev_priv->display.crtc_disable = ironlake_crtc_disable; @@ -9275,6 +9411,7 @@ static void intel_init_display(struct drm_device *dev) dev_priv->display.update_plane = ironlake_update_plane; } else if (IS_VALLEYVIEW(dev)) { dev_priv->display.get_pipe_config = i9xx_get_pipe_config; + dev_priv->display.get_clock = i9xx_crtc_clock_get; dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; dev_priv->display.crtc_enable = valleyview_crtc_enable; dev_priv->display.crtc_disable = i9xx_crtc_disable; @@ -9282,6 +9419,7 @@ static void intel_init_display(struct drm_device *dev) dev_priv->display.update_plane = i9xx_update_plane; } else { dev_priv->display.get_pipe_config = i9xx_get_pipe_config; + dev_priv->display.get_clock = i9xx_crtc_clock_get; dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; dev_priv->display.crtc_enable = i9xx_crtc_enable; dev_priv->display.crtc_disable = i9xx_crtc_disable; @@ -9566,7 +9704,7 @@ void intel_modeset_init(struct drm_device *dev) INTEL_INFO(dev)->num_pipes, INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); - for (i = 0; i < INTEL_INFO(dev)->num_pipes; i++) { + for_each_pipe(i) { intel_crtc_init(dev, i); for (j = 0; j < dev_priv->num_plane; j++) { ret = intel_plane_init(dev, i, j); @@ -9842,6 +9980,15 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) pipe); } + list_for_each_entry(crtc, &dev->mode_config.crtc_list, + base.head) { + if (!crtc->active) + continue; + if (dev_priv->display.get_clock) + dev_priv->display.get_clock(crtc, + &crtc->config); + } + list_for_each_entry(connector, &dev->mode_config.connector_list, base.head) { if (connector->get_hw_state(connector)) { @@ -9872,6 +10019,22 @@ void intel_modeset_setup_hw_state(struct drm_device *dev, intel_modeset_readout_hw_state(dev); + /* + * Now that we have the config, copy it to each CRTC struct + * Note that this could go away if we move to using crtc_config + * checking everywhere. + */ + list_for_each_entry(crtc, &dev->mode_config.crtc_list, + base.head) { + if (crtc->active && i915_fastboot) { + intel_crtc_mode_from_pipe_config(crtc, &crtc->config); + + DRM_DEBUG_KMS("[CRTC:%d] found active mode: ", + crtc->base.base.id); + drm_mode_debug_printmodeline(&crtc->base.mode); + } + } + /* HW state is read out, now we need to sanitize this mess. */ list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { @@ -10002,9 +10165,6 @@ int intel_modeset_vga_set_state(struct drm_device *dev, bool state) return 0; } -#ifdef CONFIG_DEBUG_FS -#include <linux/seq_file.h> - struct intel_display_error_state { u32 power_well_driver; @@ -10148,4 +10308,3 @@ intel_display_print_error_state(struct drm_i915_error_state_buf *m, err_printf(m, " BASE: %08x\n", error->cursor[i].base); } } -#endif |