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@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gt/selftest_lrc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 616d03506c2c..6f5e35afe1b2 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -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);
--
2.20.1
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