drm/radeon: remove duplicates check

Completely unnecessary since the ww_mutex used to reserve a buffer
can detect double reservations from the same thread anyway.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2014-12-03 15:46:49 +01:00 • committed by Alex Deucher
commit 466be3386f
6 changed files with 16 additions and 34 deletions