drm: kill dev->buf_readers and dev->buf_writers
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 10 Jul 2013 12:11:41 +0000 (14:11 +0200)
committerDave Airlie <airlied@gmail.com>
Tue, 23 Jul 2013 09:20:24 +0000 (19:20 +1000)
Again totally unused, so just remove them.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@gmail.com>

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