[Intel-gfx] [PATCH v2] drm/i915/glk: Enable pooled EUs for Geminilake

Mika Kuoppala mika.kuoppala at linux.intel.com
Fri Mar 17 15:19:09 UTC 2017


Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
writes:

> Geminilake also supports pooled EUs. Enable it.
>
> It is unclear if the recommendation to disable it for 2x6 configurations
> from commit e015dd69b2cf ("drm/i915/bxt: Add WaEnablePooledEuFor2x6")
> should also apply to GLK, but it is applied anyway to be on the safe
> side. That restriction can be lifted later if determined not to impact
> performance.
>
> The extra restriction should not impact user space either. The only user
> space that uses this feature is Beignet, and it only does so for 3x6
> devices. See See Beignet's commit 6901899ec90a ("Runtime: set the sub
> slice according to kernel pooled EU configure.").
>
> v2: Improve commit message. (Mika, Roy)
>
> Cc: Arun Siluvery <arun.siluvery at intel.com>
> Cc: Mika Kuoppala <mika.kuoppala at intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Cc: Yang Rong <rong.r.yang at intel.com>
> Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>

Pushed, thanks for patch and review.
-Mika



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