diff --git a/[refs] b/[refs]
index 4f1ff3ece28a..d7599a1ff5f7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 26b1ff35c8c4888fb544f290e0fc64143f7dbe45
+refs/heads/master: 44cbd33899302fc5294fc5fedfd0276348d796e4
diff --git a/trunk/drivers/gpu/drm/i915/i915_debugfs.c b/trunk/drivers/gpu/drm/i915/i915_debugfs.c
index 09cd7d76f6ae..4568e7d8a060 100644
--- a/trunk/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/trunk/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1096,8 +1096,10 @@ static int gen6_drpc_info(struct seq_file *m)
 
 	rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
 	rcctl1 = I915_READ(GEN6_RC_CONTROL);
-	sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids);
 	mutex_unlock(&dev->struct_mutex);
+	mutex_lock(&dev_priv->rps.hw_lock);
+	sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids);
+	mutex_unlock(&dev_priv->rps.hw_lock);
 
 	seq_printf(m, "Video Turbo Mode: %s\n",
 		   yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO));