[Intel-gfx] [PATCH 17/30] drm/i915: Do not clflush snooped objects
Daniel Vetter
daniel at ffwll.ch
Wed Apr 13 22:47:31 CEST 2011
On Wed, Apr 13, 2011 at 06:34:57PM +0100, Chris Wilson wrote:
> I changed the comment to:
>
> /* If the GPU is snooping the contents of the CPU cache,
> * we do not need to manually clear the CPU cache lines. Instead,
> * the caches are only snooped when the render cache is
> * flushed/invalidated. As we always have to emit invalidations
> * and flushes when moving into and out of the RENDER domain, correct
> * snooping behaviour occurs naturally as the result of our domain
> * tracking.
> */
Perfect!
--
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48
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