drm/i915/selftests: Flush the preemption request before waiting

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Make sure that the request has been submitted to HW before we begin our
wait. This reduces our reliance on the semaphore yield interrupt driving
the preemption request.

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/20201222113536.3775-2-chris@chris-wilson.co.uk

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Chris Wilson 2020-12-22 11:35:35 +00:00

parent 48c508a516

commit 9559511b70

1 changed files with 4 additions and 0 deletions

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

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