Commit 6cebcf74 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Tweak scheduler's kick_submission() 



Skip useless priority bumping on adding a new dependency by making sure
that we do update the priority if we would have rescheduled the active
cotnext.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200310115947.6482-1-chris@chris-wilson.co.uk
parent 209df10b

drivers/gpu/drm/i915/i915_scheduler.c

+2 −1
Original line number Diff line number Diff line
@@ -209,6 +209,8 @@ static void kick_submission(struct intel_engine_cs *engine, 
	if (!inflight)

		goto unlock;



	engine->execlists.queue_priority_hint = prio;



	/*

	 * If we are already the currently executing context, don't

	 * bother evaluating if we should preempt ourselves.
@@ -216,7 +218,6 @@ static void kick_submission(struct intel_engine_cs *engine, 
	if (inflight->context == rq->context)

		goto unlock;



	engine->execlists.queue_priority_hint = prio;

	if (need_preempt(prio, rq_prio(inflight)))

		tasklet_hi_schedule(&engine->execlists.tasklet);

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