drm: add unpin function to prime helpers
authorMaarten Lankhorst <maarten.lankhorst@canonical.com>
Tue, 9 Apr 2013 07:18:44 +0000 (09:18 +0200)
committerJoonyoung Shim <jy0922.shim@samsung.com>
Wed, 13 Jan 2016 01:29:04 +0000 (10:29 +0900)
commiteb87f59f1d4495edc16ecb89b8b69b4aba635ddf
treeb75539f23d6bf111c2c18a94574d9f647ba0dca9
parentaceebbbb5945034af3fd5cad0cb3f6ba13ed8e03
drm: add unpin function to prime helpers

Prevents buffers from being pinned forever.

Change-Id: Ifee56b3eb72bf4c5e349e0daf5ebf3156c096247
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/drm_prime.c
include/drm/drmP.h