[PATCH v3 08/24] drm/sun4i: Add support for traversing graph with TCON TOP

[Chen-Yu Tsai]

On Mon, Jun 25, 2018 at 8:02 PM, Jernej Skrabec <jernej.skrabec at siol.net> wrote:
> TCON TOP is different from other nodes in graph by having 3 input and 3
> output ports. Additionally, connection to TV TCON might lead back to
> HDMI mux input port, creating loops.
>
> Add support for traversing such graph.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec at siol.net>

Reviewed-by: Chen-Yu Tsai <wens at csie.org>