drm/i915/userptr: Only flush the workqueue if required

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To avoid waiting for work from other invalidate-range threads where
not required, only wait on the userptr cancel workqueue if we have added
some work to it.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170307205851.32578-2-chris@chris-wilson.co.uk
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

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Chris Wilson 2017-03-07 20:58:50 +00:00

parent 42953b3c51

commit d151e9ce98

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/i915/i915_gem_userptr.c

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