---

yaml
---
r: 223019
b: refs/heads/master
c: 7a19487
h: refs/heads/master
i:
  223017: d317dfa
  223015: ab13e4d
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2a1292fd4cf1558b4a60781227d503c9111d9075
+refs/heads/master: 7a1948768c2998f5bddb2327696cbe3161f468ed

trunk/drivers/gpu/drm/i915/i915_gem.c

@@ -4374,10 +4374,20 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
 		 * use this buffer rather sooner than later, so issuing the required
 		 * flush earlier is beneficial.
 		 */
-		if (obj->write_domain & I915_GEM_GPU_DOMAINS)
+		if (obj->write_domain & I915_GEM_GPU_DOMAINS) {
 			i915_gem_flush_ring(dev, file_priv,
 					    obj_priv->ring,
 					    0, obj->write_domain);
+		} else if (obj_priv->ring->outstanding_lazy_request) {
+			/* This ring is not being cleared by active usage,
+			 * so emit a request to do so.
+			 */
+			u32 seqno = i915_add_request(dev,
+						     NULL, NULL,
+						     obj_priv->ring);
+			if (seqno == 0)
+				ret = -ENOMEM;
+		}
 
 		/* Update the active list for the hardware's current position.
 		 * Otherwise this only updates on a delayed timer or when irqs