drm/mm: Document locking rules
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 27 Dec 2016 10:10:57 +0000 (11:10 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 28 Dec 2016 13:05:20 +0000 (14:05 +0100)
commit1c9bd1ede83cb391db2af481c73b01b63ab41e96
tree928e5b165223a3d26d886a442427e4ccd4807f37
parentadb040b86bc290d3d8a339ad8e91c96a9f506095
drm/mm: Document locking rules

Drivers need to take care. Motivated by a discussion between Mark and
Rob on dri-devel.

Cc: Mark yao <mark.yao@rock-chips.com>
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: s/alloc|freeing/modifications/ per Chris' suggestion.]
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1482833457-29592-1-git-send-email-daniel.vetter@ffwll.ch
drivers/gpu/drm/drm_mm.c