Merge tag 'du-fixes-20200621' of git://linuxtv.org/pinchartl/media into drm-fixes

Build fix for the R-Car DU DRM driver

Signed-off-by: Dave Airlie <[email protected]>

From: Laurent Pinchart <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: airlied

drivers/gpu/drm/rcar-du/Kconfig

@@ -31,6 +31,7 @@ config DRM_RCAR_DW_HDMI
 config DRM_RCAR_LVDS
 	tristate "R-Car DU LVDS Encoder Support"
 	depends on DRM && DRM_BRIDGE && OF
+	select DRM_KMS_HELPER
 	select DRM_PANEL
 	select OF_FLATTREE
 	select OF_OVERLAY