drm/i915/selftests: Check preemption rollback of different ring queue depths

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Like live_unlite_ring, but instead of simply looking at the impact of
intel_ring_direction(), check that preemption more generally works with
different depths of queued requests in the ring.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200616233733.18050-1-chris@chris-wilson.co.uk

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Chris Wilson 2020-06-17 00:37:33 +01:00

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commit dfdfbd3823

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

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