Merge tag 'du-fixes-20210316' of git://linuxtv.org/pinchartl/media into drm-fixes

R-Car DU v5.12 fix

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YFAG3ZMcWd1qW/Oo@pendragon.ideasonboard.com