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(parent: 040aefa) | patch
drm/i915: First recheck for an empty fence register.
authorChris Wilson <chris@chris-wilson.co.uk>
Wed, 11 Feb 2009 14:26:44 +0000 (14:26 +0000)
committerEric Anholt <eric@anholt.net>
Wed, 11 Mar 2009 03:22:24 +0000 (20:22 -0700)
commit9b2412f9ad0a3913baa40c270d6e1fa3c6d50067
tree88f0382840856fc1d58aa12bcbfb2d1ec8eb7ae0tree | snapshot (tar.gz zip)
parent040aefa263aa9cd7bd5df50586c35e1e15e77f84commit | diff
drm/i915: First recheck for an empty fence register.

If we wait upon a request and successfully unbind a buffer occupying a
fence register, then that slot will be freed and cause a NULL derefrence
upon rescanning.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/i915_gem.c diff | blob | blame | history