diff --git a/[refs] b/[refs]
index cec6f226a326..4fd2cdb00fd8 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 881f47b64723f4d697084533491a489e3e74b10f
+refs/heads/master: e070868ef2101ce548d4fbb25edfd301e59fb719
diff --git a/trunk/drivers/gpu/drm/i915/intel_ringbuffer.c b/trunk/drivers/gpu/drm/i915/intel_ringbuffer.c
index 478406d1886c..f0b44d3ba958 100644
--- a/trunk/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/trunk/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -792,7 +792,7 @@ void intel_fill_struct(struct drm_device *dev,
 	intel_ring_advance(dev, ring);
 }
 
-static struct intel_ring_buffer render_ring = {
+static const struct intel_ring_buffer render_ring = {
 	.name			= "render ring",
 	.id			= RING_RENDER,
 	.regs                   = {
@@ -830,7 +830,7 @@ static struct intel_ring_buffer render_ring = {
 
 /* ring buffer for bit-stream decoder */
 
-static struct intel_ring_buffer bsd_ring = {
+static const struct intel_ring_buffer bsd_ring = {
 	.name                   = "bsd ring",
 	.id			= RING_BSD,
 	.regs			= {
@@ -948,7 +948,7 @@ gen6_bsd_ring_dispatch_gem_execbuffer(struct drm_device *dev,
 }
 
 /* ring buffer for Video Codec for Gen6+ */
-static struct intel_ring_buffer gen6_bsd_ring = {
+static const struct intel_ring_buffer gen6_bsd_ring = {
        .name			= "gen6 bsd ring",
        .id			= RING_BSD,
        .regs			= {