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drm/i915/selftests: Flush the submission, not cancel it!

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Use intel_engine_flush_submission() when we want to ensure that the
tasklet is run. tasklet_kill(), while it may ensure that an ongoing
tasklet is completed, also prevents the tasklet from running if it's
already scheduled and hasn't yet been run.

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1874
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200521124304.3157692-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-05-21 13:43:04 +01:00
parent 1a53924792
commit 4f44afe852
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/gt/selftest_lrc.c
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@ -332,7 +332,7 @@ static int live_unlite_restore(struct intel_gt *gt, int prio)
i915_request_put(rq[0]);
err_ce:
tasklet_kill(&engine->execlists.tasklet); /* flush submission */
intel_engine_flush_submission(engine);
igt_spinner_end(&spin);
for (n = 0; n < ARRAY_SIZE(ce); n++) {
if (IS_ERR_OR_NULL(ce[n]))