diff --git a/[refs] b/[refs]
index ace90c5e7a8a..b64e98ca6825 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3969c9c927b0bdb1e477a1eda60743143a75e4a5
+refs/heads/master: 3ba5c569c4a99c43bdac9f0c1c65e15a7b3390b9
diff --git a/trunk/drivers/gpu/drm/i915/intel_dp.c b/trunk/drivers/gpu/drm/i915/intel_dp.c
index 153a5934b2e1..bcd81f96fc7f 100644
--- a/trunk/drivers/gpu/drm/i915/intel_dp.c
+++ b/trunk/drivers/gpu/drm/i915/intel_dp.c
@@ -825,6 +825,7 @@ static void ironlake_edp_panel_vdd_on(struct drm_device *dev)
 	pp |= EDP_FORCE_VDD;
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
+	msleep(300);
 }
 
 static void ironlake_edp_panel_vdd_off(struct drm_device *dev)
@@ -836,6 +837,7 @@ static void ironlake_edp_panel_vdd_off(struct drm_device *dev)
 	pp &= ~EDP_FORCE_VDD;
 	I915_WRITE(PCH_PP_CONTROL, pp);
 	POSTING_READ(PCH_PP_CONTROL);
+	msleep(300);
 }
 
 static void ironlake_edp_backlight_on (struct drm_device *dev)