Merge branch 'master' of /home/airlied/kernel/linux-2.6 into drm-core-next

[pandora-kernel.git] / drivers / gpu / drm / i915 / intel_display.c

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8806596..0abe79f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5683,6 +5683,23 @@ static int intel_encoder_clones(struct drm_device *dev, int type_mask)
        return index_mask;
 }
 
+static bool has_edp_a(struct drm_device *dev)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+
+       if (!IS_MOBILE(dev))
+               return false;
+
+       if ((I915_READ(DP_A) & DP_DETECTED) == 0)
+               return false;
+
+       if (IS_GEN5(dev) &&
+           (I915_READ(ILK_DISPLAY_CHICKEN_FUSES) & ILK_eDP_A_DISABLE))
+               return false;
+
+       return true;
+}
+
 static void intel_setup_outputs(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -5700,7 +5717,7 @@ static void intel_setup_outputs(struct drm_device *dev)
        if (HAS_PCH_SPLIT(dev)) {
                dpd_is_edp = intel_dpd_is_edp(dev);
 
-               if (IS_MOBILE(dev) && (I915_READ(DP_A) & DP_DETECTED))
+               if (has_edp_a(dev))
                        intel_dp_init(dev, DP_A);
 
                if (dpd_is_edp && (I915_READ(PCH_DP_D) & DP_DETECTED))
@@ -6235,6 +6252,8 @@ void intel_enable_clock_gating(struct drm_device *dev)
                        I915_WRITE(PCH_3DCGDIS0,
                                   MARIUNIT_CLOCK_GATE_DISABLE |
                                   SVSMUNIT_CLOCK_GATE_DISABLE);
+                       I915_WRITE(PCH_3DCGDIS1,
+                                  VFMUNIT_CLOCK_GATE_DISABLE);
                }
 
                I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate);