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drm/i915: fix deadlock in fb teardown 

At module unload time we'll tear down the fbdev state.  We do so under
the struct mutex, so we shouldn't try to use the unlocked variant of
the GEM object unreference function or we may deadlock.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Jesse Barnes 2010-07-20 11:58:00 -07:00 committed by Eric Anholt
parent aebf0dafee
commit fbd41a7e58
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_fb.c
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@ -236,7 +236,7 @@ int intel_fbdev_destroy(struct drm_device *dev,
drm_framebuffer_cleanup(&ifb->base);
if (ifb->obj)
drm_gem_object_unreference_unlocked(ifb->obj);
drm_gem_object_unreference(ifb->obj);
return 0;
}