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path: root/drivers/gpu/drm/i915/i915_suspend.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c104
1 files changed, 56 insertions, 48 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 42729d25da58..0521ecf26017 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -235,6 +235,7 @@ static void i915_restore_vga(struct drm_device *dev)
static void i915_save_modeset_reg(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return;
@@ -367,6 +368,28 @@ static void i915_save_modeset_reg(struct drm_device *dev)
}
i915_save_palette(dev, PIPE_B);
dev_priv->savePIPEBSTAT = I915_READ(PIPEBSTAT);
+
+ /* Fences */
+ switch (INTEL_INFO(dev)->gen) {
+ case 6:
+ for (i = 0; i < 16; i++)
+ dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
+ break;
+ case 5:
+ case 4:
+ for (i = 0; i < 16; i++)
+ dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8));
+ break;
+ case 3:
+ if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ for (i = 0; i < 8; i++)
+ dev_priv->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4));
+ case 2:
+ for (i = 0; i < 8; i++)
+ dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4));
+ break;
+ }
+
return;
}
@@ -375,10 +398,33 @@ static void i915_restore_modeset_reg(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int dpll_a_reg, fpa0_reg, fpa1_reg;
int dpll_b_reg, fpb0_reg, fpb1_reg;
+ int i;
if (drm_core_check_feature(dev, DRIVER_MODESET))
return;
+ /* Fences */
+ switch (INTEL_INFO(dev)->gen) {
+ case 6:
+ for (i = 0; i < 16; i++)
+ I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->saveFENCE[i]);
+ break;
+ case 5:
+ case 4:
+ for (i = 0; i < 16; i++)
+ I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]);
+ break;
+ case 3:
+ case 2:
+ if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ for (i = 0; i < 8; i++)
+ I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]);
+ for (i = 0; i < 8; i++)
+ I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]);
+ break;
+ }
+
+
if (HAS_PCH_SPLIT(dev)) {
dpll_a_reg = PCH_DPLL_A;
dpll_b_reg = PCH_DPLL_B;
@@ -694,7 +740,7 @@ void i915_restore_display(struct drm_device *dev)
I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS);
I915_WRITE(PCH_PP_DIVISOR, dev_priv->savePP_DIVISOR);
I915_WRITE(PCH_PP_CONTROL, dev_priv->savePP_CONTROL);
- I915_WRITE(MCHBAR_RENDER_STANDBY,
+ I915_WRITE(RSTDBYCTL,
dev_priv->saveMCHBAR_RENDER_STANDBY);
} else {
I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
@@ -765,14 +811,16 @@ int i915_save_state(struct drm_device *dev)
dev_priv->saveFDI_RXA_IMR = I915_READ(FDI_RXA_IMR);
dev_priv->saveFDI_RXB_IMR = I915_READ(FDI_RXB_IMR);
dev_priv->saveMCHBAR_RENDER_STANDBY =
- I915_READ(MCHBAR_RENDER_STANDBY);
+ I915_READ(RSTDBYCTL);
} else {
dev_priv->saveIER = I915_READ(IER);
dev_priv->saveIMR = I915_READ(IMR);
}
- if (HAS_PCH_SPLIT(dev))
+ if (IS_IRONLAKE_M(dev))
ironlake_disable_drps(dev);
+ if (IS_GEN6(dev))
+ gen6_disable_rps(dev);
/* Cache mode state */
dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
@@ -788,28 +836,6 @@ int i915_save_state(struct drm_device *dev)
for (i = 0; i < 3; i++)
dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
- /* Fences */
- switch (INTEL_INFO(dev)->gen) {
- case 6:
- for (i = 0; i < 16; i++)
- dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_SANDYBRIDGE_0 + (i * 8));
- break;
- case 5:
- case 4:
- for (i = 0; i < 16; i++)
- dev_priv->saveFENCE[i] = I915_READ64(FENCE_REG_965_0 + (i * 8));
- break;
- case 3:
- if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
- for (i = 0; i < 8; i++)
- dev_priv->saveFENCE[i+8] = I915_READ(FENCE_REG_945_8 + (i * 4));
- case 2:
- for (i = 0; i < 8; i++)
- dev_priv->saveFENCE[i] = I915_READ(FENCE_REG_830_0 + (i * 4));
- break;
-
- }
-
return 0;
}
@@ -823,27 +849,6 @@ int i915_restore_state(struct drm_device *dev)
/* Hardware status page */
I915_WRITE(HWS_PGA, dev_priv->saveHWS);
- /* Fences */
- switch (INTEL_INFO(dev)->gen) {
- case 6:
- for (i = 0; i < 16; i++)
- I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (i * 8), dev_priv->saveFENCE[i]);
- break;
- case 5:
- case 4:
- for (i = 0; i < 16; i++)
- I915_WRITE64(FENCE_REG_965_0 + (i * 8), dev_priv->saveFENCE[i]);
- break;
- case 3:
- case 2:
- if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
- for (i = 0; i < 8; i++)
- I915_WRITE(FENCE_REG_945_8 + (i * 4), dev_priv->saveFENCE[i+8]);
- for (i = 0; i < 8; i++)
- I915_WRITE(FENCE_REG_830_0 + (i * 4), dev_priv->saveFENCE[i]);
- break;
- }
-
i915_restore_display(dev);
/* Interrupt state */
@@ -860,13 +865,16 @@ int i915_restore_state(struct drm_device *dev)
}
/* Clock gating state */
- intel_init_clock_gating(dev);
+ intel_enable_clock_gating(dev);
- if (HAS_PCH_SPLIT(dev)) {
+ if (IS_IRONLAKE_M(dev)) {
ironlake_enable_drps(dev);
intel_init_emon(dev);
}
+ if (IS_GEN6(dev))
+ gen6_enable_rps(dev_priv);
+
/* Cache mode state */
I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);