drm: rcar-du: dw-hdmi: Reject modes with a too high clock frequency

Implement a .mode_valid() handler in the R-Car glue layer to reject
modes with an unsupported clock frequency.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2018-11-23 16:30:20 +02:00
commit f41cb153e6