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drm/i915/selftests: Check for an already completed timeslice

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With timeslice yielding on a semaphore, we may complete timeslices much
faster than we were expecting and already have yielded the stuck
request. Before complaining that timeslicing is not enabled, check that
we haven't already applied the switch.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200410081638.19893-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-04-10 09:16:38 +01:00
parent 538c329f7f
commit c1b5ea926d
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/gt/selftest_lrc.c
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@ -1252,6 +1252,7 @@ static int live_timeslice_queue(void *arg)
} while (READ_ONCE(engine->execlists.pending[0]));
if (!READ_ONCE(engine->execlists.timer.expires) &&
execlists_active(&engine->execlists) == rq &&
!i915_request_completed(rq)) {
struct drm_printer p =
drm_info_printer(gt->i915->drm.dev);