[Intel-gfx] [PATCH 3/7] drm/i915: Restrict sentinel requests further

Matthew Auld matthew.william.auld at gmail.com
Wed Mar 24 15:25:55 UTC 2021


On Wed, 24 Mar 2021 at 12:14, Tvrtko Ursulin
<tvrtko.ursulin at linux.intel.com> wrote:
>
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>
> Disallow sentinel requests follow previous sentinels to make request
> cancellation work better when faced with a chain of requests which have
> all been marked as in error.
>
> Because in cases where we end up with a stream of cancelled requests we
> want to turn of request coalescing so they each will get individually

turn off

> skipped by the execlists_schedule_in (which is called per ELSP port, not
> per request).
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>


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