---

yaml
---
r: 288085
b: refs/heads/master
c: 5d031e5
h: refs/heads/master
i:
  288083: 34f9509
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aed3f09db39596e539f90b11a5016aea4d8442e1
+refs/heads/master: 5d031e5b633d910f35e6e0abce94d9d842390006

trunk/drivers/gpu/drm/i915/intel_ringbuffer.c

@@ -301,7 +301,7 @@ static int init_ring_common(struct intel_ring_buffer *ring)
 
 	I915_WRITE_CTL(ring,
 			((ring->size - PAGE_SIZE) & RING_NR_PAGES)
-			| RING_REPORT_64K | RING_VALID);
+			| RING_VALID);
 
 	/* If the head is still not zero, the ring is dead */
 	if ((I915_READ_CTL(ring) & RING_VALID) == 0 ||
@@ -1132,18 +1132,6 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n)
 	struct drm_device *dev = ring->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	unsigned long end;
-	u32 head;
-
-	/* If the reported head position has wrapped or hasn't advanced,
-	 * fallback to the slow and accurate path.
-	 */
-	head = intel_read_status_page(ring, 4);
-	if (head > ring->head) {
-		ring->head = head;
-		ring->space = ring_space(ring);
-		if (ring->space >= n)
-			return 0;
-	}
 
 	trace_i915_ring_wait_begin(ring);
 	if (drm_core_check_feature(dev, DRIVER_GEM))