drm/rockchip: vop: add vop power domain support

Reference the power domain incase vop power down when
in use.

Signed-off-by: Mark Yao <yzq@rock-chips.com>
This commit is contained in:
Mark Yao 2015-04-01 13:48:53 +08:00 • committed by Mark Yao
commit 5d82d1a785