drm/i915: Skip request serialisation if the timeline is already complete

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If the last request on the timeline is already complete, we do not need
to emit the serialisation barriers.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180207084350.3929-2-chris@chris-wilson.co.uk

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Chris Wilson 2018-02-07 08:43:50 +00:00

parent 31dade7df4

commit 8ac71d1db1

1 changed files with 9 additions and 5 deletions

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drivers/gpu/drm/i915/i915_gem_request.c

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