Re: [PATCH v8 2/2] drm: bridge: Add thc63lvd1024 LVDS decoder driver

From: Vladimir Zapolskiy
Date: Thu Apr 19 2018 - 07:18:46 EST

Hi Jacopo,

On 04/10/2018 01:53 PM, Jacopo Mondi wrote:
> Add DRM bridge driver for Thine THC63LVD1024 LVDS to digital parallel
> output converter.
> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
> Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
> Reviewed-by: Niklas SÃderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>

Reviewed-by: Vladimir Zapolskiy <vladimir_zapolskiy@xxxxxxxxxx>

Generally I have only one pretty ignorable comment.

> +
> +enum thc63_ports {
> + THC63_LVDS_IN0,
> + THC63_LVDS_IN1,
> + THC63_RGB_OUT0,
> + THC63_RGB_OUT1,
> +};
> +

The driver uses only THC63_RGB_OUT0 value, or port@2, and MODE{0,1,2} IC
configuration is ignored.

I don't know if right from the beginning it would be better to support
dual-out modes, preferably both single-in and dual-in ones. Will it
impact port enumeration?

I do understand that the extension is possible, and likely only hardware
accessibility postpones it.

With best wishes,