drm/i915: Check for no-op priority changes first

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In all likelihood, the priority and node are already in the CPU cache
and by checking them first, we can avoid having to chase the
*request->hwsp for the current breadcrumb.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190513120102.29660-3-chris@chris-wilson.co.uk

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Chris Wilson 2019-05-13 13:01:02 +01:00

parent 52c76fb18a

commit 190980187e

1 changed files with 2 additions and 2 deletions

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drivers/gpu/drm/i915/i915_scheduler.c

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