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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: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201222113536.3775-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-12-22 11:35:34 +00:00
parent b436a5f8b6
commit 48c508a516
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/gt/selftest_execlists.c
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@ -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);