diff --git a/[refs] b/[refs]
index ffb9772db903..f7351c4359b7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 298b0b392c750137f148fda056a7d4c42019814c
+refs/heads/master: 382b09362711d7d03272230a33767015a277926e
diff --git a/trunk/drivers/gpu/drm/i915/i915_reg.h b/trunk/drivers/gpu/drm/i915/i915_reg.h
index 5a22887a5381..88292893b255 100644
--- a/trunk/drivers/gpu/drm/i915/i915_reg.h
+++ b/trunk/drivers/gpu/drm/i915/i915_reg.h
@@ -2784,6 +2784,9 @@
 #define  FDI_RX_PHASE_SYNC_POINTER_ENABLE       (1)
 #define FDI_RX_CHICKEN(pipe) _PIPE(pipe, FDI_RXA_CHICKEN, FDI_RXB_CHICKEN)
 
+#define SOUTH_DSPCLK_GATE_D	0xc2020
+#define  PCH_DPLSUNIT_CLOCK_GATE_DISABLE (1<<29)
+
 /* CPU: FDI_TX */
 #define FDI_TXA_CTL             0x60100
 #define FDI_TXB_CTL             0x61100
diff --git a/trunk/drivers/gpu/drm/i915/intel_display.c b/trunk/drivers/gpu/drm/i915/intel_display.c
index 89cfe4684147..8e98d708f970 100644
--- a/trunk/drivers/gpu/drm/i915/intel_display.c
+++ b/trunk/drivers/gpu/drm/i915/intel_display.c
@@ -5745,6 +5745,13 @@ void intel_init_clock_gating(struct drm_device *dev)
 
 		I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate);
 
+		/*
+		 * On Ibex Peak and Cougar Point, we need to disable clock
+		 * gating for the panel power sequencer or it will fail to
+		 * start up when no ports are active.
+		 */
+		I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE);
+
 		/*
 		 * According to the spec the following bits should be set in
 		 * order to enable memory self-refresh