Merge tag 'perf-urgent-for-mingo-20161017' of git://git.kernel.org/pub/scm/linux...

[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / i915 / i915_suspend.c

diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 5cfe4c7716b4ec8a73a94ab66bdd27e9ae0abe76..a0af170062b1ea859f3d2297a500a8937f7b72df 100644 (file)
--- 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);