Quoting Chris Wilson (2019-12-18 23:14:38)
> Very similar to commit 4f88f8747fa4 ("drm/i915/gt: Schedule request
> retirement when timeline idles"), but this time instead of coupling into
> the execlists CS event interrupt, we couple into the breadcrumb
> interrupt and queue a timeline's retirement when the last signaler is
> completed. This should allow us to more rapidly park ringbuffer
> submission, and so help reduce power consumption on older systems.
>
> References: 4f88f8747fa4 ("drm/i915/gt: Schedule request retirement when timeline idles")
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Regards, Joonas
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