diff --git a/[refs] b/[refs]
index 3732529b9ac1..f639eb6d93bc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4fb066ab9ef3111c86d9fb8f13f1178885cf7f1c
+refs/heads/master: a9e2641dee52cae2db7688a749344365642a5e79
diff --git a/trunk/drivers/gpu/drm/i915/i915_irq.c b/trunk/drivers/gpu/drm/i915/i915_irq.c
index 98eedddc7440..9ee2729fe5c6 100644
--- a/trunk/drivers/gpu/drm/i915/i915_irq.c
+++ b/trunk/drivers/gpu/drm/i915/i915_irq.c
@@ -383,6 +383,7 @@ static void gen6_pm_rps_work(struct work_struct *work)
 	pm_iir = dev_priv->pm_iir;
 	dev_priv->pm_iir = 0;
 	pm_imr = I915_READ(GEN6_PMIMR);
+	I915_WRITE(GEN6_PMIMR, 0);
 	spin_unlock_irq(&dev_priv->rps_lock);
 
 	if (!pm_iir)
@@ -420,7 +421,6 @@ static void gen6_pm_rps_work(struct work_struct *work)
 	 * an *extremely* unlikely race with gen6_rps_enable() that is prevented
 	 * by holding struct_mutex for the duration of the write.
 	 */
-	I915_WRITE(GEN6_PMIMR, pm_imr & ~pm_iir);
 	mutex_unlock(&dev_priv->dev->struct_mutex);
 }