Re: [PATCH 2/2] drm/i915/icl: Apply WaEnablePreemptionGranularityControlByUMD

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Quoting Michał Winiarski (2019-03-05 12:48:27)
> There are still some cases where userspace needs to change the
> preemption granularity for compute workloads. Let's whitelist the
> per-ctx granularity control register to allow it.
> 
> Signed-off-by: Michał Winiarski <michal.winiarski@xxxxxxxxx>
> Cc: Anuj Phogat <anuj.phogat@xxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
> Cc: Rafael Antognolli <rafael.antognolli@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>

Trusting that since it was context saved on earlier gen, it remains so.
(One more selftest to write.)

Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
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