On Tue, Jul 10, 2012 at 11:15:24AM +0100, Chris Wilson wrote:
> Several functions of the GPU have the restriction that differing memory
> domains cannot be placed next to each other (as the GPU may prefetch
> beyond the end of one domain and hang as it crosses into the other
> domain). We use the facility of the drm_mm to mark ranges with a
> particular color that corresponds to the cache attributes of those pages
> in order to prevent allocating adjacent blocks of differing memory
> types.
>
> v2: Rebase ontop of drm_mm coloring v2.
>
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
--
Daniel Vetter
Mail: dan...@ffwll.ch
Mobile: +41 (0)79 365 57 48
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