@@ -8783,7 +8783,7 @@ static void intel_increase_pllclock(struct drm_device *dev,
int dpll_reg = DPLL(pipe);
int dpll;
- if (HAS_PCH_SPLIT(dev))
+ if (INTEL_INFO(dev)->gen > 5 && !IS_VALLEYVIEW(dev))
return;
if (!dev_priv->lvds_downclock_avail)
@@ -8811,7 +8811,7 @@ static void intel_decrease_pllclock(struct drm_crtc *crtc)
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- if (HAS_PCH_SPLIT(dev))
+ if (INTEL_INFO(dev)->gen > 5 && !IS_VALLEYVIEW(dev))
return;
if (!dev_priv->lvds_downclock_avail)