[Intel-gfx] [PATCH] drm/i915: Exclude top-page for ppgtt as well as ggtt

[Matthew Auld]

On 12 May 2017 at 18:49, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> We have always excluded the top-page of the Global GTT to prevent
> prefetching past the end of the address space. We have been lax about
> applying this restriction to the per-process GTT, but there is no reason
> to believe that the hw restriction is any less severe.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>