[PATCH i915 v2 2/2] i915: wait for fences in atomic commit

[Alexander Goins]

>Could you put the wait inside prepare_plane_fb?

Yeah, that works, and it gets rid of the need to loop over the planes. I wait 
on the fence before taking out the struct_mutex lock like so:

@@ -13369,6 +13345,13 @@ intel_prepare_plane_fb(struct drm_plane *plane,
        if (!obj)
                return 0;

+       /* For framebuffer backed by dmabuf, wait for fence */
+       if (obj->base.dma_buf) {
+               reservation_object_wait_timeout_rcu(
+                       obj->base.dma_buf->resv,
+                       true, false, msecs_to_jiffies(96));
+       }
+
        mutex_lock(&dev->struct_mutex);

I'll send out the revised patch in the v3 patch set if there are no further 
comments.

Thanks,
Alex