Provide code common to vp9 drivers in one central location.
Signed-off-by: NAndrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: NEzequiel Garcia <ezequiel@collabora.com>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>