drm: Make drm_crtc_helper_disable() return void

The function can never fail, and always returns 0, so it may just as
well not return anything.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Thierry Reding 2014-04-29 11:44:39 +02:00 • committed by Daniel Vetter
commit a74591d781