drm/i915/selftests: Force ordering of context switches

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The parallel switch test has an underlying assumption that its requests
are executed in order of submission, which is only true if the backend
manages to keep up. Ensure the order of execution matches the submission
order by explicit dependencies and so when we wait on the last request,
we know we wait on completion of the entire queue.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191016225730.29447-1-chris@chris-wilson.co.uk

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Chris Wilson 2019-10-16 23:57:30 +01:00

parent 5932925ac1

commit 2728200f48

1 changed files with 28 additions and 7 deletions

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drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c

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