diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 104 |
1 files changed, 58 insertions, 46 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 42729d25da5..410772466fa 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; @@ -771,8 +817,14 @@ int i915_save_state(struct drm_device *dev) 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); + + /* XXX disabling the clock gating breaks suspend on gm45 + intel_disable_clock_gating(dev); + */ /* Cache mode state */ dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); @@ -788,28 +840,6 @@ 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 +853,6 @@ 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 +869,16 @@ 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); |