Commit 48c508a5 authored by Chris Wilson's avatar Chris Wilson
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drm/i915/selftests: Kick timeslice until selftest yields 



Keep on kicking the timeslice in case on the first retirement, it did
not stay idle. This may happen when using semaphore yields.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201222113536.3775-1-chris@chris-wilson.co.uk
parent b436a5f8

drivers/gpu/drm/i915/gt/selftest_execlists.c

+1 −1
Original line number Diff line number Diff line
@@ -1173,7 +1173,7 @@ static int live_timeslice_rewind(void *arg) 


		/* ELSP[] = { { A:rq1, A:rq2 }, { B:rq1 } } */

		ENGINE_TRACE(engine, "forcing tasklet for rewind\n");

		if (i915_request_is_active(rq[A2])) { /* semaphore yielded! */

		while (i915_request_is_active(rq[A2])) { /* semaphore yield! */

			/* Wait for the timeslice to kick in */

			del_timer(&engine->execlists.timer);

			tasklet_hi_schedule(&engine->execlists.tasklet);