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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.c47
1 files changed, 4 insertions, 43 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 5cfe4c7716b4..a0af170062b1 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -37,25 +37,6 @@ static void i915_save_display(struct drm_device *dev)
if (INTEL_INFO(dev)->gen <= 4)
dev_priv->regfile.saveDSPARB = I915_READ(DSPARB);
- /* LVDS state */
- if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
- dev_priv->regfile.saveLVDS = I915_READ(PCH_LVDS);
- else if (INTEL_INFO(dev)->gen <= 4 && IS_MOBILE(dev) && !IS_I830(dev))
- dev_priv->regfile.saveLVDS = I915_READ(LVDS);
-
- /* Panel power sequencer */
- if (HAS_PCH_SPLIT(dev)) {
- dev_priv->regfile.savePP_CONTROL = I915_READ(PCH_PP_CONTROL);
- dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PCH_PP_ON_DELAYS);
- dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PCH_PP_OFF_DELAYS);
- dev_priv->regfile.savePP_DIVISOR = I915_READ(PCH_PP_DIVISOR);
- } else if (INTEL_INFO(dev)->gen <= 4) {
- dev_priv->regfile.savePP_CONTROL = I915_READ(PP_CONTROL);
- dev_priv->regfile.savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS);
- dev_priv->regfile.savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS);
- dev_priv->regfile.savePP_DIVISOR = I915_READ(PP_DIVISOR);
- }
-
/* save FBC interval */
if (HAS_FBC(dev) && INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev))
dev_priv->regfile.saveFBC_CONTROL = I915_READ(FBC_CONTROL);
@@ -64,33 +45,11 @@ static void i915_save_display(struct drm_device *dev)
static void i915_restore_display(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
- u32 mask = 0xffffffff;
/* Display arbitration */
if (INTEL_INFO(dev)->gen <= 4)
I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB);
- mask = ~LVDS_PORT_EN;
-
- /* LVDS state */
- if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
- I915_WRITE(PCH_LVDS, dev_priv->regfile.saveLVDS & mask);
- else if (INTEL_INFO(dev)->gen <= 4 && IS_MOBILE(dev) && !IS_I830(dev))
- I915_WRITE(LVDS, dev_priv->regfile.saveLVDS & mask);
-
- /* Panel power sequencer */
- if (HAS_PCH_SPLIT(dev)) {
- I915_WRITE(PCH_PP_ON_DELAYS, dev_priv->regfile.savePP_ON_DELAYS);
- I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->regfile.savePP_OFF_DELAYS);
- I915_WRITE(PCH_PP_DIVISOR, dev_priv->regfile.savePP_DIVISOR);
- I915_WRITE(PCH_PP_CONTROL, dev_priv->regfile.savePP_CONTROL);
- } else if (INTEL_INFO(dev)->gen <= 4) {
- I915_WRITE(PP_ON_DELAYS, dev_priv->regfile.savePP_ON_DELAYS);
- I915_WRITE(PP_OFF_DELAYS, dev_priv->regfile.savePP_OFF_DELAYS);
- I915_WRITE(PP_DIVISOR, dev_priv->regfile.savePP_DIVISOR);
- I915_WRITE(PP_CONTROL, dev_priv->regfile.savePP_CONTROL);
- }
-
/* only restore FBC info on the platform that supports FBC*/
intel_fbc_global_disable(dev_priv);
@@ -104,6 +63,7 @@ static void i915_restore_display(struct drm_device *dev)
int i915_save_state(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
+ struct pci_dev *pdev = dev_priv->drm.pdev;
int i;
mutex_lock(&dev->struct_mutex);
@@ -111,7 +71,7 @@ int i915_save_state(struct drm_device *dev)
i915_save_display(dev);
if (IS_GEN4(dev))
- pci_read_config_word(dev->pdev, GCDGMBUS,
+ pci_read_config_word(pdev, GCDGMBUS,
&dev_priv->regfile.saveGCDGMBUS);
/* Cache mode state */
@@ -149,6 +109,7 @@ int i915_save_state(struct drm_device *dev)
int i915_restore_state(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
+ struct pci_dev *pdev = dev_priv->drm.pdev;
int i;
mutex_lock(&dev->struct_mutex);
@@ -156,7 +117,7 @@ int i915_restore_state(struct drm_device *dev)
i915_gem_restore_fences(dev);
if (IS_GEN4(dev))
- pci_write_config_word(dev->pdev, GCDGMBUS,
+ pci_write_config_word(pdev, GCDGMBUS,
dev_priv->regfile.saveGCDGMBUS);
i915_restore_display(dev);