[Intel-gfx] [PATCH] drm/i915: Support creation of unbound wc user mappings for objects

[Chris Wilson]

On Wed, Dec 17, 2014 at 12:46:44PM +0000, Tvrtko Ursulin wrote:
> Just one thing to clarify - the same write combining speed up effect
> is already possible using the mentioned non-temporal instructions,
> this just makes it easier to use for a wider group of users?

Kind off. We did identify one corner case in the cache tracking that
required the previous patch to "broaden set-domain(GTT)" and for
userspace to remember to use set-domain(GTT) alongside movntaps.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre