From 6cebcf746f3fa667c9a7a62787d74d783d9e4bdb Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Tue, 10 Mar 2020 11:59:47 +0000 Subject: [PATCH] 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: Chris Wilson Reviewed-by: Tvrtko Ursulin Link: https://patchwork.freedesktop.org/patch/msgid/20200310115947.6482-1-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/i915_scheduler.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c index af51810dc78c..68b06a7ba667 100644 --- a/drivers/gpu/drm/i915/i915_scheduler.c +++ b/drivers/gpu/drm/i915/i915_scheduler.c @@ -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);