Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
s/supressing/suppressing
> We recorded the execlists->queue_priority_hint update for the inflight
> request without kicking the tasklet. The next submitted request then
> failed to be scheduled as it had a lower priority than the hint, leaving
> the HW runnning with only the inflight request.
s/nnn/nn
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
>
> Fixes: 6cebcf746f3f ("drm/i915: Tweak scheduler's kick_submission()")
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_scheduler.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c
> index f4ea318781f0..cbb880b10c65 100644
> --- a/drivers/gpu/drm/i915/i915_scheduler.c
> +++ b/drivers/gpu/drm/i915/i915_scheduler.c
> @@ -209,14 +209,6 @@ static void kick_submission(struct intel_engine_cs *engine,
> if (!inflight)
> goto unlock;
>
> - ENGINE_TRACE(engine,
> - "bumping queue-priority-hint:%d for rq:%llx:%lld, inflight:%llx:%lld prio %d\n",
> - prio,
> - rq->fence.context, rq->fence.seqno,
> - inflight->fence.context, inflight->fence.seqno,
> - inflight->sched.attr.priority);
> - engine->execlists.queue_priority_hint = prio;
> -
> /*
> * If we are already the currently executing context, don't
> * bother evaluating if we should preempt ourselves.
> @@ -224,6 +216,14 @@ static void kick_submission(struct intel_engine_cs *engine,
> if (inflight->context == rq->context)
> goto unlock;
>
> + ENGINE_TRACE(engine,
> + "bumping queue-priority-hint:%d for rq:%llx:%lld, inflight:%llx:%lld prio %d\n",
> + prio,
> + rq->fence.context, rq->fence.seqno,
> + inflight->fence.context, inflight->fence.seqno,
> + inflight->sched.attr.priority);
> +
> + engine->execlists.queue_priority_hint = prio;
> if (need_preempt(prio, rq_prio(inflight)))
> tasklet_hi_schedule(&engine->execlists.tasklet);
>
> --
> 2.20.1
>
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