[PATCH v2 1/3] dt-bindings: display: mediatek: Add OF graph support for board path

[Dmitry Baryshkov]

On Tue, Apr 09, 2024 at 02:02:09PM +0200, AngeloGioacchino Del Regno wrote:
> The display IPs in MediaTek SoCs support being interconnected with
> different instances of DDP IPs (for example, merge0 or merge1) and/or
> with different DDP IPs (for example, rdma can be connected with either
> color, dpi, dsi, merge, etc), forming a full Display Data Path that
> ends with an actual display.
> 
> The final display pipeline is effectively board specific, as it does
> depend on the display that is attached to it, and eventually on the
> sensors supported by the board (for example, Adaptive Ambient Light
> would need an Ambient Light Sensor, otherwise it's pointless!), other
> than the output type.

With the color and gamma being in play, should the configuration be
board-driver or rather use-case driven with the driver being able to
reroute some of the blocks at runtime?

> 
> Add support for OF graphs to most of the MediaTek DDP (display) bindings
> to add flexibility to build custom hardware paths, hence enabling board
> specific configuration of the display pipeline and allowing to finally
> migrate away from using hardcoded paths.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

-- 
With best wishes
Dmitry