[Intel-gfx] [PATCH 1/2] drm/i915/execlists: HWS is uncached on !llc platforms

[Chris Wilson]

On Fri, Oct 23, 2015 at 08:50:42PM +0300, Ville Syrjälä wrote:
> On Fri, Oct 23, 2015 at 06:43:31PM +0100, Chris Wilson wrote:
> > As the HWS is mapped into the GPU as uncached,
> 
> Since when?

Since it is embedded into execlists' default context which is allocated
using the system default cache level, i.e. uncached on !llc. See
intel_lr_context_deferred_alloc()
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre