Re: [Intel-gfx] [PATCH v2] drm/i915: Stop discarding GTT cache-domain on unbind vma

2015-04-24 Thread Chris Wilson
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

[Intel-gfx] [PATCH v2] drm/i915: Stop discarding GTT cache-domain on unbind vma

2015-04-23 Thread Chris Wilson
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