diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 331 |
1 files changed, 166 insertions, 165 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 099f420de57a..79cc437af3b8 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -785,8 +785,8 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, intel_clock_t clock; int max_n; bool found; - /* approximately equals target * 0.00488 */ - int err_most = (target >> 8) + (target >> 10); + /* approximately equals target * 0.00585 */ + int err_most = (target >> 8) + (target >> 9); found = false; if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { @@ -988,6 +988,8 @@ static void i8xx_enable_fbc(struct drm_crtc *crtc, unsigned long interval) /* enable it... */ fbc_ctl = FBC_CTL_EN | FBC_CTL_PERIODIC; + if (IS_I945GM(dev)) + fbc_ctl |= FBC_C3_IDLE; /* 945 needs special SR handling */ fbc_ctl |= (dev_priv->cfb_pitch & 0xff) << FBC_CTL_STRIDE_SHIFT; fbc_ctl |= (interval & 0x2fff) << FBC_CTL_INTERVAL_SHIFT; if (obj_priv->tiling_mode != I915_TILING_NONE) @@ -1251,7 +1253,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, return ret; } - ret = i915_gem_object_set_to_gtt_domain(obj, 1); + ret = i915_gem_object_set_to_display_plane(obj); if (ret != 0) { i915_gem_object_unpin(obj); mutex_unlock(&dev->struct_mutex); @@ -1400,6 +1402,7 @@ static void igdng_enable_pll_edp (struct drm_crtc *crtc) dpa_ctl = I915_READ(DP_A); dpa_ctl |= DP_PLL_ENABLE; I915_WRITE(DP_A, dpa_ctl); + POSTING_READ(DP_A); udelay(200); } @@ -1473,6 +1476,10 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) int trans_vsync_reg = (pipe == 0) ? TRANS_VSYNC_A : TRANS_VSYNC_B; u32 temp; int tries = 5, j, n; + u32 pipe_bpc; + + temp = I915_READ(pipeconf_reg); + pipe_bpc = temp & PIPE_BPC_MASK; /* XXX: When our outputs are all unaware of DPMS modes other than off * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC. @@ -1482,6 +1489,15 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: DRM_DEBUG("crtc %d dpms on\n", pipe); + + 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); + POSTING_READ(PCH_LVDS); + } + } + if (HAS_eDP) { /* enable eDP PLL */ igdng_enable_pll_edp(crtc); @@ -1495,6 +1511,12 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ temp = I915_READ(fdi_rx_reg); + /* + * make the BPC in FDI Rx be consistent with that in + * pipeconf reg. + */ + temp &= ~(0x7 << 16); + temp |= (pipe_bpc << 11); I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE | FDI_SEL_PCDCLK | FDI_DP_PORT_WIDTH_X4); /* default 4 lanes */ @@ -1635,6 +1657,12 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) /* enable PCH transcoder */ temp = I915_READ(transconf_reg); + /* + * make the BPC in transcoder be consistent with + * that in pipeconf reg. + */ + temp &= ~PIPE_BPC_MASK; + temp |= pipe_bpc; I915_WRITE(transconf_reg, temp | TRANS_ENABLE); I915_READ(transconf_reg); @@ -1666,8 +1694,6 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) case DRM_MODE_DPMS_OFF: DRM_DEBUG("crtc %d dpms off\n", pipe); - i915_disable_vga(dev); - /* Disable display plane */ temp = I915_READ(dspcntr_reg); if ((temp & DISPLAY_PLANE_ENABLE) != 0) { @@ -1677,6 +1703,8 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) I915_READ(dspbase_reg); } + i915_disable_vga(dev); + /* disable cpu pipe, disable after all planes disabled */ temp = I915_READ(pipeconf_reg); if ((temp & PIPEACONF_ENABLE) != 0) { @@ -1697,9 +1725,15 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) } else DRM_DEBUG("crtc %d is disabled\n", pipe); - if (HAS_eDP) { - igdng_disable_pll_edp(crtc); + udelay(100); + + /* Disable PF */ + temp = I915_READ(pf_ctl_reg); + if ((temp & PF_ENABLE) != 0) { + I915_WRITE(pf_ctl_reg, temp & ~PF_ENABLE); + I915_READ(pf_ctl_reg); } + I915_WRITE(pf_win_size, 0); /* disable CPU FDI tx and PCH FDI rx */ temp = I915_READ(fdi_tx_reg); @@ -1707,6 +1741,9 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) I915_READ(fdi_tx_reg); temp = I915_READ(fdi_rx_reg); + /* BPC in FDI rx is consistent with that in pipeconf */ + temp &= ~(0x07 << 16); + temp |= (pipe_bpc << 11); I915_WRITE(fdi_rx_reg, temp & ~FDI_RX_ENABLE); I915_READ(fdi_rx_reg); @@ -1725,6 +1762,13 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) udelay(100); + if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { + temp = I915_READ(PCH_LVDS); + I915_WRITE(PCH_LVDS, temp & ~LVDS_PORT_EN); + I915_READ(PCH_LVDS); + udelay(100); + } + /* disable PCH transcoder */ temp = I915_READ(transconf_reg); if ((temp & TRANS_ENABLE) != 0) { @@ -1743,6 +1787,13 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) } } } + temp = I915_READ(transconf_reg); + /* BPC in transcoder is consistent with that in pipeconf */ + temp &= ~PIPE_BPC_MASK; + temp |= pipe_bpc; + I915_WRITE(transconf_reg, temp); + I915_READ(transconf_reg); + udelay(100); /* disable PCH DPLL */ temp = I915_READ(pch_dpll_reg); @@ -1751,14 +1802,20 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) I915_READ(pch_dpll_reg); } - temp = I915_READ(fdi_rx_reg); - if ((temp & FDI_RX_PLL_ENABLE) != 0) { - temp &= ~FDI_SEL_PCDCLK; - temp &= ~FDI_RX_PLL_ENABLE; - I915_WRITE(fdi_rx_reg, temp); - I915_READ(fdi_rx_reg); + if (HAS_eDP) { + igdng_disable_pll_edp(crtc); } + temp = I915_READ(fdi_rx_reg); + temp &= ~FDI_SEL_PCDCLK; + I915_WRITE(fdi_rx_reg, temp); + I915_READ(fdi_rx_reg); + + temp = I915_READ(fdi_rx_reg); + temp &= ~FDI_RX_PLL_ENABLE; + I915_WRITE(fdi_rx_reg, temp); + I915_READ(fdi_rx_reg); + /* Disable CPU FDI TX PLL */ temp = I915_READ(fdi_tx_reg); if ((temp & FDI_TX_PLL_ENABLE) != 0) { @@ -1767,16 +1824,8 @@ static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode) udelay(100); } - /* Disable PF */ - temp = I915_READ(pf_ctl_reg); - if ((temp & PF_ENABLE) != 0) { - I915_WRITE(pf_ctl_reg, temp & ~PF_ENABLE); - I915_READ(pf_ctl_reg); - } - I915_WRITE(pf_win_size, 0); - /* Wait for the clocks to turn off. */ - udelay(150); + udelay(100); break; } } @@ -1845,6 +1894,7 @@ static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode) intel_update_watermarks(dev); /* Give the overlay scaler a chance to disable if it's on this pipe */ //intel_crtc_dpms_video(crtc, FALSE); TODO + drm_vblank_off(dev, pipe); if (dev_priv->cfb_plane == plane && dev_priv->display.disable_fbc) @@ -1904,6 +1954,9 @@ static void intel_crtc_dpms(struct drm_crtc *crtc, int mode) int pipe = intel_crtc->pipe; bool enabled; + if (intel_crtc->dpms_mode == mode) + return; + dev_priv->display.dpms(crtc, mode); intel_crtc->dpms_mode = mode; @@ -2491,6 +2544,10 @@ static void g4x_update_wm(struct drm_device *dev, int planea_clock, sr_entries = roundup(sr_entries / cacheline_size, 1); DRM_DEBUG("self-refresh entries: %d\n", sr_entries); I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN); + } else { + /* Turn off self refresh if both pipes are enabled */ + I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF) + & ~FW_BLC_SELF_EN); } DRM_DEBUG("Setting FIFO watermarks - A: %d, B: %d, SR %d\n", @@ -2509,15 +2566,43 @@ static void g4x_update_wm(struct drm_device *dev, int planea_clock, (cursor_sr << DSPFW_CURSOR_SR_SHIFT)); } -static void i965_update_wm(struct drm_device *dev, int unused, int unused2, - int unused3, int unused4) +static void i965_update_wm(struct drm_device *dev, int planea_clock, + int planeb_clock, int sr_hdisplay, int pixel_size) { struct drm_i915_private *dev_priv = dev->dev_private; + unsigned long line_time_us; + int sr_clock, sr_entries, srwm = 1; + + /* Calc sr entries for one plane configs */ + if (sr_hdisplay && (!planea_clock || !planeb_clock)) { + /* self-refresh has much higher latency */ + const static int sr_latency_ns = 12000; + + sr_clock = planea_clock ? planea_clock : planeb_clock; + line_time_us = ((sr_hdisplay * 1000) / sr_clock); + + /* Use ns/us then divide to preserve precision */ + sr_entries = (((sr_latency_ns / line_time_us) + 1) * + pixel_size * sr_hdisplay) / 1000; + sr_entries = roundup(sr_entries / I915_FIFO_LINE_SIZE, 1); + DRM_DEBUG("self-refresh entries: %d\n", sr_entries); + srwm = I945_FIFO_SIZE - sr_entries; + if (srwm < 0) + srwm = 1; + srwm &= 0x3f; + I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN); + } else { + /* Turn off self refresh if both pipes are enabled */ + I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF) + & ~FW_BLC_SELF_EN); + } - DRM_DEBUG("Setting FIFO watermarks - A: 8, B: 8, C: 8, SR 8\n"); + DRM_DEBUG_KMS("Setting FIFO watermarks - A: 8, B: 8, C: 8, SR %d\n", + srwm); /* 965 has limitations... */ - I915_WRITE(DSPFW1, (8 << 16) | (8 << 8) | (8 << 0)); + I915_WRITE(DSPFW1, (srwm << DSPFW_SR_SHIFT) | (8 << 16) | (8 << 8) | + (8 << 0)); I915_WRITE(DSPFW2, (8 << 8) | (8 << 0)); } @@ -2578,6 +2663,10 @@ static void i9xx_update_wm(struct drm_device *dev, int planea_clock, if (srwm < 0) srwm = 1; I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN | (srwm & 0x3f)); + } else { + /* Turn off self refresh if both pipes are enabled */ + I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF) + & ~FW_BLC_SELF_EN); } DRM_DEBUG("Setting FIFO watermarks - A: %d, B: %d, C: %d, SR %d\n", @@ -2854,6 +2943,18 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, /* determine panel color depth */ temp = I915_READ(pipeconf_reg); + temp &= ~PIPE_BPC_MASK; + if (is_lvds) { + int lvds_reg = I915_READ(PCH_LVDS); + /* the BPC will be 6 if it is 18-bit LVDS panel */ + if ((lvds_reg & LVDS_A3_POWER_MASK) == LVDS_A3_POWER_UP) + temp |= PIPE_8BPC; + else + temp |= PIPE_6BPC; + } else + temp |= PIPE_8BPC; + I915_WRITE(pipeconf_reg, temp); + I915_READ(pipeconf_reg); switch (temp & PIPE_BPC_MASK) { case PIPE_8BPC: @@ -3081,7 +3182,20 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, * appropriately here, but we need to look more thoroughly into how * panels behave in the two modes. */ - + /* set the dithering flag */ + if (IS_I965G(dev)) { + if (dev_priv->lvds_dither) { + if (IS_IGDNG(dev)) + pipeconf |= PIPE_ENABLE_DITHER; + else + lvds |= LVDS_ENABLE_DITHER; + } else { + if (IS_IGDNG(dev)) + pipeconf &= ~PIPE_ENABLE_DITHER; + else + lvds &= ~LVDS_ENABLE_DITHER; + } + } I915_WRITE(lvds_reg, lvds); I915_READ(lvds_reg); } @@ -3665,125 +3779,6 @@ static void intel_gpu_idle_timer(unsigned long arg) queue_work(dev_priv->wq, &dev_priv->idle_work); } -void intel_increase_renderclock(struct drm_device *dev, bool schedule) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - - if (IS_IGDNG(dev)) - return; - - if (!dev_priv->render_reclock_avail) { - DRM_DEBUG("not reclocking render clock\n"); - return; - } - - /* Restore render clock frequency to original value */ - if (IS_G4X(dev) || IS_I9XX(dev)) - pci_write_config_word(dev->pdev, GCFGC, dev_priv->orig_clock); - else if (IS_I85X(dev)) - pci_write_config_word(dev->pdev, HPLLCC, dev_priv->orig_clock); - DRM_DEBUG("increasing render clock frequency\n"); - - /* Schedule downclock */ - if (schedule) - mod_timer(&dev_priv->idle_timer, jiffies + - msecs_to_jiffies(GPU_IDLE_TIMEOUT)); -} - -void intel_decrease_renderclock(struct drm_device *dev) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - - if (IS_IGDNG(dev)) - return; - - if (!dev_priv->render_reclock_avail) { - DRM_DEBUG("not reclocking render clock\n"); - return; - } - - if (IS_G4X(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~GM45_GC_RENDER_CLOCK_MASK; - gcfgc |= GM45_GC_RENDER_CLOCK_266_MHZ; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } else if (IS_I965G(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~I965_GC_RENDER_CLOCK_MASK; - gcfgc |= I965_GC_RENDER_CLOCK_267_MHZ; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } else if (IS_I945G(dev) || IS_I945GM(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~I945_GC_RENDER_CLOCK_MASK; - gcfgc |= I945_GC_RENDER_CLOCK_166_MHZ; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } else if (IS_I915G(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~I915_GC_RENDER_CLOCK_MASK; - gcfgc |= I915_GC_RENDER_CLOCK_166_MHZ; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } else if (IS_I85X(dev)) { - u16 hpllcc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, HPLLCC, &hpllcc); - - /* Up to maximum... */ - hpllcc &= ~GC_CLOCK_CONTROL_MASK; - hpllcc |= GC_CLOCK_133_200; - - pci_write_config_word(dev->pdev, HPLLCC, hpllcc); - } - DRM_DEBUG("decreasing render clock frequency\n"); -} - -/* Note that no increase function is needed for this - increase_renderclock() - * will also rewrite these bits - */ -void intel_decrease_displayclock(struct drm_device *dev) -{ - if (IS_IGDNG(dev)) - return; - - if (IS_I945G(dev) || IS_I945GM(dev) || IS_I915G(dev) || - IS_I915GM(dev)) { - u16 gcfgc; - - /* Adjust render clock... */ - pci_read_config_word(dev->pdev, GCFGC, &gcfgc); - - /* Down to minimum... */ - gcfgc &= ~0xf0; - gcfgc |= 0x80; - - pci_write_config_word(dev->pdev, GCFGC, gcfgc); - } -} - #define CRTC_IDLE_TIMEOUT 1000 /* ms */ static void intel_crtc_idle_timer(unsigned long arg) @@ -3897,12 +3892,6 @@ static void intel_idle_update(struct work_struct *work) mutex_lock(&dev->struct_mutex); - /* GPU isn't processing, downclock it. */ - if (!dev_priv->busy) { - intel_decrease_renderclock(dev); - intel_decrease_displayclock(dev); - } - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { /* Skip inactive CRTCs */ if (!crtc->fb) @@ -3937,7 +3926,6 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj) return; dev_priv->busy = true; - intel_increase_renderclock(dev, true); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { if (!crtc->fb) @@ -4015,7 +4003,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe) } intel_crtc->cursor_addr = 0; - intel_crtc->dpms_mode = DRM_MODE_DPMS_OFF; + intel_crtc->dpms_mode = -1; drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); intel_crtc->busy = false; @@ -4118,37 +4106,51 @@ static void intel_setup_outputs(struct drm_device *dev) if (I915_READ(PCH_DP_D) & DP_DETECTED) intel_dp_init(dev, PCH_DP_D); - } else if (IS_I9XX(dev)) { + } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { bool found = false; if (I915_READ(SDVOB) & SDVO_DETECTED) { + DRM_DEBUG_KMS("probing SDVOB\n"); found = intel_sdvo_init(dev, SDVOB); - if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) + if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) { + DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); intel_hdmi_init(dev, SDVOB); + } - if (!found && SUPPORTS_INTEGRATED_DP(dev)) + if (!found && SUPPORTS_INTEGRATED_DP(dev)) { + DRM_DEBUG_KMS("probing DP_B\n"); intel_dp_init(dev, DP_B); + } } /* Before G4X SDVOC doesn't have its own detect register */ - if (I915_READ(SDVOB) & SDVO_DETECTED) + if (I915_READ(SDVOB) & SDVO_DETECTED) { + DRM_DEBUG_KMS("probing SDVOC\n"); found = intel_sdvo_init(dev, SDVOC); + } if (!found && (I915_READ(SDVOC) & SDVO_DETECTED)) { - if (SUPPORTS_INTEGRATED_HDMI(dev)) + if (SUPPORTS_INTEGRATED_HDMI(dev)) { + DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); intel_hdmi_init(dev, SDVOC); - if (SUPPORTS_INTEGRATED_DP(dev)) + } + if (SUPPORTS_INTEGRATED_DP(dev)) { + DRM_DEBUG_KMS("probing DP_C\n"); intel_dp_init(dev, DP_C); + } } - if (SUPPORTS_INTEGRATED_DP(dev) && (I915_READ(DP_D) & DP_DETECTED)) + if (SUPPORTS_INTEGRATED_DP(dev) && + (I915_READ(DP_D) & DP_DETECTED)) { + DRM_DEBUG_KMS("probing DP_D\n"); intel_dp_init(dev, DP_D); - } else + } + } else if (IS_I8XX(dev)) intel_dvo_init(dev); - if (IS_I9XX(dev) && IS_MOBILE(dev) && !IS_IGDNG(dev)) + if (SUPPORTS_TV(dev)) intel_tv_init(dev); list_for_each_entry(connector, &dev->mode_config.connector_list, head) { @@ -4324,7 +4326,7 @@ static void intel_init_display(struct drm_device *dev) } /* Returns the core display clock speed */ - if (IS_I945G(dev)) + if (IS_I945G(dev) || (IS_G33(dev) && ! IS_IGDGM(dev))) dev_priv->display.get_display_clock_speed = i945_get_display_clock_speed; else if (IS_I915G(dev)) @@ -4442,7 +4444,6 @@ void intel_modeset_cleanup(struct drm_device *dev) del_timer_sync(&intel_crtc->idle_timer); } - intel_increase_renderclock(dev, false); del_timer_sync(&dev_priv->idle_timer); mutex_unlock(&dev->struct_mutex); |