Implement CRC computation configuration and reporting through the DRM
debugfs-based CRC API. The CRC source can be configured to any input
plane or the pipeline output.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: NKieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab+samsung@kernel.org>