On Fri, Apr 24, 2015 at 07:45:23AM +0100, Chris Wilson wrote:
> v2: Akash worried that we were discarding the serialisation point with
> outstanding GTT writes before doing the unbind, so restore the wmb() for
> the writes. We only lose the write domain now, and not both - 1 one
> sided barrier now
Since
commit 43566dedde54f9729113f5f9fde77d53e75e61e9
Author: Chris Wilson
Date: Fri Jan 2 16:29:29 2015 +0530
drm/i915: Broaden application of set-domain(GTT)
we allowed objects to be in the GTT domain, but unbound. Therefore
removing the GTT cache domain when removing the GGTT vma is no