Christian König 721529b578 drm/radeon: fix radeon_fence_wait_empty_locked
Don't block forever if there is nothing to wait for.

Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Rafa? Mi?ecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2013-11-06 13:40:59 +10:00
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