[Intel-gfx] [PATCH] drm/i915: Mark the ringbuffers as being in the GTT domain

[Daniel Vetter]

On Mon, Jun 04, 2012 at 05:05:40PM +0100, Chris Wilson wrote:
> By correctly describing the rinbuffers as being in the GTT domain, it
> appears that we are more careful with the management of the CPU cache
> upon resume and so prevent some coherency issue when submitting commands
> to the GPU later. A secondary effect is that the debug logs are then
> consistent with the actual usage (i.e. they no longer describe the
> ringbuffers as being in the CPU write domain when we are accessing them
> through an wc iomapping.)
> 
> Reported-and-tested-by: Daniel Gnoutcheff <daniel at gnoutcheff.name>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41092
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Applied to -fixes, cc: stable. Thanks for the patch.
-Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48