Merge tag 'du-next-20191218' of git://linuxtv.org/pinchartl/media into drm-next

R-Car Display Unit changes:

- Color Management Module support
- LVDS encoder dual-link support enhancements
- R8A77980 support

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191218151710.GA13830@pendragon.ideasonboard.com