drm/i915: Skip adding the request to the signal tree is complete

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Enabling the interrupt for the signaler takes a finite amount of time (a
few microseconds) during which it is possible for the request to
complete. Check afterwards and skip adding the request to the signal
rbtree if it complete.

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: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170608111405.16466-3-chris@chris-wilson.co.uk

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Chris Wilson 2017-06-08 12:14:04 +01:00

parent bac2ef4b47

commit 735e0eb669

1 changed files with 28 additions and 21 deletions

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49

drivers/gpu/drm/i915/intel_breadcrumbs.c

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