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path: root/drivers/gpu/drm/i915/intel_pm.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c44
1 files changed, 35 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index caf2ee4e5441..3657ab43c8fd 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -1180,7 +1180,7 @@ static bool g4x_compute_wm0(struct drm_device *dev,
1180 1180
1181 adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode; 1181 adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
1182 clock = adjusted_mode->crtc_clock; 1182 clock = adjusted_mode->crtc_clock;
1183 htotal = adjusted_mode->htotal; 1183 htotal = adjusted_mode->crtc_htotal;
1184 hdisplay = to_intel_crtc(crtc)->config.pipe_src_w; 1184 hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
1185 pixel_size = crtc->fb->bits_per_pixel / 8; 1185 pixel_size = crtc->fb->bits_per_pixel / 8;
1186 1186
@@ -1267,7 +1267,7 @@ static bool g4x_compute_srwm(struct drm_device *dev,
1267 crtc = intel_get_crtc_for_plane(dev, plane); 1267 crtc = intel_get_crtc_for_plane(dev, plane);
1268 adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode; 1268 adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
1269 clock = adjusted_mode->crtc_clock; 1269 clock = adjusted_mode->crtc_clock;
1270 htotal = adjusted_mode->htotal; 1270 htotal = adjusted_mode->crtc_htotal;
1271 hdisplay = to_intel_crtc(crtc)->config.pipe_src_w; 1271 hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
1272 pixel_size = crtc->fb->bits_per_pixel / 8; 1272 pixel_size = crtc->fb->bits_per_pixel / 8;
1273 1273
@@ -1498,7 +1498,7 @@ static void i965_update_wm(struct drm_crtc *unused_crtc)
1498 const struct drm_display_mode *adjusted_mode = 1498 const struct drm_display_mode *adjusted_mode =
1499 &to_intel_crtc(crtc)->config.adjusted_mode; 1499 &to_intel_crtc(crtc)->config.adjusted_mode;
1500 int clock = adjusted_mode->crtc_clock; 1500 int clock = adjusted_mode->crtc_clock;
1501 int htotal = adjusted_mode->htotal; 1501 int htotal = adjusted_mode->crtc_htotal;
1502 int hdisplay = to_intel_crtc(crtc)->config.pipe_src_w; 1502 int hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
1503 int pixel_size = crtc->fb->bits_per_pixel / 8; 1503 int pixel_size = crtc->fb->bits_per_pixel / 8;
1504 unsigned long line_time_us; 1504 unsigned long line_time_us;
@@ -1624,7 +1624,7 @@ static void i9xx_update_wm(struct drm_crtc *unused_crtc)
1624 const struct drm_display_mode *adjusted_mode = 1624 const struct drm_display_mode *adjusted_mode =
1625 &to_intel_crtc(enabled)->config.adjusted_mode; 1625 &to_intel_crtc(enabled)->config.adjusted_mode;
1626 int clock = adjusted_mode->crtc_clock; 1626 int clock = adjusted_mode->crtc_clock;
1627 int htotal = adjusted_mode->htotal; 1627 int htotal = adjusted_mode->crtc_htotal;
1628 int hdisplay = to_intel_crtc(enabled)->config.pipe_src_w; 1628 int hdisplay = to_intel_crtc(enabled)->config.pipe_src_w;
1629 int pixel_size = enabled->fb->bits_per_pixel / 8; 1629 int pixel_size = enabled->fb->bits_per_pixel / 8;
1630 unsigned long line_time_us; 1630 unsigned long line_time_us;
@@ -1776,7 +1776,7 @@ static bool ironlake_compute_srwm(struct drm_device *dev, int level, int plane,
1776 crtc = intel_get_crtc_for_plane(dev, plane); 1776 crtc = intel_get_crtc_for_plane(dev, plane);
1777 adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode; 1777 adjusted_mode = &to_intel_crtc(crtc)->config.adjusted_mode;
1778 clock = adjusted_mode->crtc_clock; 1778 clock = adjusted_mode->crtc_clock;
1779 htotal = adjusted_mode->htotal; 1779 htotal = adjusted_mode->crtc_htotal;
1780 hdisplay = to_intel_crtc(crtc)->config.pipe_src_w; 1780 hdisplay = to_intel_crtc(crtc)->config.pipe_src_w;
1781 pixel_size = crtc->fb->bits_per_pixel / 8; 1781 pixel_size = crtc->fb->bits_per_pixel / 8;
1782 1782
@@ -2469,8 +2469,9 @@ hsw_compute_linetime_wm(struct drm_device *dev, struct drm_crtc *crtc)
2469 /* The WM are computed with base on how long it takes to fill a single 2469 /* The WM are computed with base on how long it takes to fill a single
2470 * row at the given clock rate, multiplied by 8. 2470 * row at the given clock rate, multiplied by 8.
2471 * */ 2471 * */
2472 linetime = DIV_ROUND_CLOSEST(mode->htotal * 1000 * 8, mode->clock); 2472 linetime = DIV_ROUND_CLOSEST(mode->crtc_htotal * 1000 * 8,
2473 ips_linetime = DIV_ROUND_CLOSEST(mode->htotal * 1000 * 8, 2473 mode->crtc_clock);
2474 ips_linetime = DIV_ROUND_CLOSEST(mode->crtc_htotal * 1000 * 8,
2474 intel_ddi_get_cdclk_freq(dev_priv)); 2475 intel_ddi_get_cdclk_freq(dev_priv));
2475 2476
2476 return PIPE_WM_LINETIME_IPS_LINETIME(ips_linetime) | 2477 return PIPE_WM_LINETIME_IPS_LINETIME(ips_linetime) |
@@ -5684,6 +5685,7 @@ static void __intel_set_power_well(struct drm_device *dev, bool enable)
5684{ 5685{
5685 struct drm_i915_private *dev_priv = dev->dev_private; 5686 struct drm_i915_private *dev_priv = dev->dev_private;
5686 bool is_enabled, enable_requested; 5687 bool is_enabled, enable_requested;
5688 unsigned long irqflags;
5687 uint32_t tmp; 5689 uint32_t tmp;
5688 5690
5689 tmp = I915_READ(HSW_PWR_WELL_DRIVER); 5691 tmp = I915_READ(HSW_PWR_WELL_DRIVER);
@@ -5701,9 +5703,24 @@ static void __intel_set_power_well(struct drm_device *dev, bool enable)
5701 HSW_PWR_WELL_STATE_ENABLED), 20)) 5703 HSW_PWR_WELL_STATE_ENABLED), 20))
5702 DRM_ERROR("Timeout enabling power well\n"); 5704 DRM_ERROR("Timeout enabling power well\n");
5703 } 5705 }
5706
5707 if (IS_BROADWELL(dev)) {
5708 spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
5709 I915_WRITE(GEN8_DE_PIPE_IMR(PIPE_B),
5710 dev_priv->de_irq_mask[PIPE_B]);
5711 I915_WRITE(GEN8_DE_PIPE_IER(PIPE_B),
5712 ~dev_priv->de_irq_mask[PIPE_B] |
5713 GEN8_PIPE_VBLANK);
5714 I915_WRITE(GEN8_DE_PIPE_IMR(PIPE_C),
5715 dev_priv->de_irq_mask[PIPE_C]);
5716 I915_WRITE(GEN8_DE_PIPE_IER(PIPE_C),
5717 ~dev_priv->de_irq_mask[PIPE_C] |
5718 GEN8_PIPE_VBLANK);
5719 POSTING_READ(GEN8_DE_PIPE_IER(PIPE_C));
5720 spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
5721 }
5704 } else { 5722 } else {
5705 if (enable_requested) { 5723 if (enable_requested) {
5706 unsigned long irqflags;
5707 enum pipe p; 5724 enum pipe p;
5708 5725
5709 I915_WRITE(HSW_PWR_WELL_DRIVER, 0); 5726 I915_WRITE(HSW_PWR_WELL_DRIVER, 0);
@@ -6129,10 +6146,19 @@ int vlv_freq_opcode(int ddr_freq, int val)
6129 return val; 6146 return val;
6130} 6147}
6131 6148
6132void intel_pm_init(struct drm_device *dev) 6149void intel_pm_setup(struct drm_device *dev)
6133{ 6150{
6134 struct drm_i915_private *dev_priv = dev->dev_private; 6151 struct drm_i915_private *dev_priv = dev->dev_private;
6135 6152
6153 mutex_init(&dev_priv->rps.hw_lock);
6154
6155 mutex_init(&dev_priv->pc8.lock);
6156 dev_priv->pc8.requirements_met = false;
6157 dev_priv->pc8.gpu_idle = false;
6158 dev_priv->pc8.irqs_disabled = false;
6159 dev_priv->pc8.enabled = false;
6160 dev_priv->pc8.disable_count = 2; /* requirements_met + gpu_idle */
6161 INIT_DELAYED_WORK(&dev_priv->pc8.enable_work, hsw_enable_pc8_work);
6136 INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work, 6162 INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work,
6137 intel_gen6_powersave_work); 6163 intel_gen6_powersave_work);
6138} 6164}