diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index e8152d23d5b6..285758603ac8 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -597,7 +597,7 @@ static void i915_restore_modeset_reg(struct drm_device *dev) return; } -void i915_save_display(struct drm_device *dev) +static void i915_save_display(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -678,7 +678,6 @@ void i915_save_display(struct drm_device *dev) } /* VGA state */ - mutex_lock(&dev->struct_mutex); dev_priv->saveVGA0 = I915_READ(VGA0); dev_priv->saveVGA1 = I915_READ(VGA1); dev_priv->saveVGA_PD = I915_READ(VGA_PD); @@ -688,10 +687,9 @@ void i915_save_display(struct drm_device *dev) dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); i915_save_vga(dev); - mutex_unlock(&dev->struct_mutex); } -void i915_restore_display(struct drm_device *dev) +static void i915_restore_display(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -762,15 +760,13 @@ void i915_restore_display(struct drm_device *dev) /* FIXME: restore TV & SDVO state */ /* only restore FBC info on the platform that supports FBC*/ + intel_disable_fbc(dev); if (I915_HAS_FBC(dev)) { if (HAS_PCH_SPLIT(dev)) { - ironlake_disable_fbc(dev); I915_WRITE(ILK_DPFC_CB_BASE, dev_priv->saveDPFC_CB_BASE); } else if (IS_GM45(dev)) { - g4x_disable_fbc(dev); I915_WRITE(DPFC_CB_BASE, dev_priv->saveDPFC_CB_BASE); } else { - i8xx_disable_fbc(dev); I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE); I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE); I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2); @@ -783,7 +779,6 @@ void i915_restore_display(struct drm_device *dev) else I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL); - mutex_lock(&dev->struct_mutex); I915_WRITE(VGA0, dev_priv->saveVGA0); I915_WRITE(VGA1, dev_priv->saveVGA1); I915_WRITE(VGA_PD, dev_priv->saveVGA_PD); @@ -791,7 +786,6 @@ void i915_restore_display(struct drm_device *dev) udelay(150); i915_restore_vga(dev); - mutex_unlock(&dev->struct_mutex); } int i915_save_state(struct drm_device *dev) @@ -801,6 +795,8 @@ int i915_save_state(struct drm_device *dev) pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); + mutex_lock(&dev->struct_mutex); + /* Hardware status page */ dev_priv->saveHWS = I915_READ(HWS_PGA); @@ -840,6 +836,8 @@ int i915_save_state(struct drm_device *dev) for (i = 0; i < 3; i++) dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2)); + mutex_unlock(&dev->struct_mutex); + return 0; } @@ -850,6 +848,8 @@ int i915_restore_state(struct drm_device *dev) pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB); + mutex_lock(&dev->struct_mutex); + /* Hardware status page */ I915_WRITE(HWS_PGA, dev_priv->saveHWS); @@ -867,6 +867,7 @@ int i915_restore_state(struct drm_device *dev) I915_WRITE(IER, dev_priv->saveIER); I915_WRITE(IMR, dev_priv->saveIMR); } + mutex_unlock(&dev->struct_mutex); intel_init_clock_gating(dev); @@ -875,8 +876,12 @@ int i915_restore_state(struct drm_device *dev) intel_init_emon(dev); } - if (IS_GEN6(dev)) + if (IS_GEN6(dev)) { gen6_enable_rps(dev_priv); + gen6_update_ring_freq(dev_priv); + } + + mutex_lock(&dev->struct_mutex); /* Cache mode state */ I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); @@ -891,6 +896,8 @@ int i915_restore_state(struct drm_device *dev) for (i = 0; i < 3; i++) I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]); + mutex_unlock(&dev->struct_mutex); + intel_i2c_reset(dev); return 0; |