[Intel-gfx] [PATCH v2] drm/i915: Make contexts non-snooped on non-LLC platforms

[Chris Wilson]

On Fri, Apr 04, 2014 at 04:36:10PM +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> We don't do CPU access to GPU contexts so making the GPU access snoop
> the CPU caches seems silly, and potentially expensive.
> 
> v2: Use !IS_VALLEYVIEW instead of HAS_LLC as this is really
>     about what the PTEs can represent.
>     Add a comment clarifying the situation.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre