* 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