[Intel-gfx] [PATCH v1 3/4] drm/i915:bxt: Enable Pooled EU support

[Chris Wilson]

On Fri, Jul 17, 2015 at 05:54:20PM +0100, Siluvery, Arun wrote:
> On 17/07/2015 17:27, Chris Wilson wrote:
> >On Fri, Jul 17, 2015 at 05:08:53PM +0100, Arun Siluvery wrote:
> >>This mode allows to assign EUs to pools.
> >>The command to enable this mode is sent in auxiliary golden context batch
> >>as this is only issued once with each context initialization. Thanks to
> >>Mika for the preliminary review.
> >
> >A quick explanation for why this has to be in the kernel would be nice.
> >Privileged instruction?
> 
> This purpose of auxiliary batch is explained in patch2, but I can
> add some explanation about this one also.

Here, I am looking for an explanation of why these commands in
particular are desired. Mika's short explanation that must be the same
for all contexts on the system is sufficient.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre