Lock, power and clock are highly coupled operations. Adds vdec
enable/disable hardware helpers and uses them.
Signed-off-by: NYunfei Dong <yunfei.dong@mediatek.com>
Reviewed-by: Tzung-Bi Shih<tzungbi@google.com>
Reviewed-by: NAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: NNícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@kernel.org>