drm/armada: provide a common helper to disable a plane

Provide a common helper to disable either the overlay or the primary
plane.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2015-07-15 18:11:25 +01:00
commit 5832680358
3 changed files with 31 additions and 12 deletions