drm/doc: clarify how to acquire required vblank event reference
authorStefan Agner <stefan@agner.ch>
Tue, 7 Aug 2018 20:11:43 +0000 (22:11 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 8 Aug 2018 08:25:39 +0000 (10:25 +0200)
commite750218d26c3648698bfe9e2858012443f08c734
tree21d57a103293c52c2c9dbabb46df202093361753
parent31e63d31eaf066651efac299913591b04c5aaa18
drm/doc: clarify how to acquire required vblank event reference

As a driver write it is not entirely obvious that a reference to
the event e mentioned in the doc can be obtained via
drm_crtc_vblank_get(). Clarify how to obtain the reference.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180807201143.7446-1-stefan@agner.ch
drivers/gpu/drm/drm_vblank.c