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Date:   Tue, 23 May 2023 18:21:25 +0100
From:   Conor Dooley <conor@kernel.org>
To:     Johannes Zink <j.zink@pengutronix.de>
Cc:     David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Sam Ravnborg <sam@ravnborg.org>,
        kernel test robot <lkp@intel.com>,
        Dan Carpenter <error27@gmail.com>,
        patchwork-jzi@pengutronix.de, kernel@pengutronix.de,
        Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
        dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/3] dt-bindings: display: simple: support non-default
 data-mapping
Message-ID: <20230523-jaywalker-modify-500ec1d79223@spud>
References: <20230523-simplepanel_support_nondefault_datamapping-v2-0-87196f0d0b64@pengutronix.de>
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On Tue, May 23, 2023 at 10:19:42AM +0200, Johannes Zink wrote:
> Some Displays support more than just a single default lvds data mapping,
> which can be used to run displays on only 3 LVDS lanes in the jeida-18
> data-mapping mode.
>=20
> Add an optional data-mapping property to allow overriding the default
> data mapping. As it does not generally apply to any display and bus: use
> it selectively on the innolux,g101ice-l01, which supports changing the
> data mapping via a strapping pin.
>=20
> Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
>=20
> ---
>=20
> Changes:
>=20
> v1 -> v2: - worked in Rob's review findings (thanks for reviewing my
>             work): use extracted common property instead of duplicating
> 	    the property

That looks to be true (and Rob's AFK at the moment, hence unable to reply
to your ping) so,
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.

> 	  - refined commit message
> 	  - add an example dts for automated checking
> ---
>  .../bindings/display/panel/panel-simple.yaml       | 26 ++++++++++++++++=
+++++-
>  1 file changed, 25 insertions(+), 1 deletion(-)
>=20
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple=
=2Eyaml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
> index ec50dd268314..698301c8c920 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
> @@ -21,9 +21,9 @@ description: |
> =20
>  allOf:
>    - $ref: panel-common.yaml#
> +  - $ref: ../lvds-data-mapping.yaml#
> =20
>  properties:
> -
>    compatible:
>      enum:
>      # compatible must be listed in alphabetical order, ordered by compat=
ible.
> @@ -353,6 +353,17 @@ properties:
>    power-supply: true
>    no-hpd: true
>    hpd-gpios: true
> +  data-mapping: true
> +
> +if:
> +  not:
> +    properties:
> +      compatible:
> +        contains:
> +          const: innolux,g101ice-l01
> +then:
> +  properties:
> +    data-mapping: false
> =20
>  additionalProperties: false
> =20
> @@ -372,3 +383,16 @@ examples:
>          };
>        };
>      };
> +  - |
> +    panel_lvds: panel-lvds {
> +      compatible =3D "innolux,g101ice-l01";
> +      power-supply =3D <&vcc_lcd_reg>;
> +
> +      data-mapping =3D "jeida-24";
> +
> +      port {
> +        panel_in_lvds: endpoint {
> +          remote-endpoint =3D <&ltdc_out_lvds>;
> +        };
> +      };
> +    };
>=20
> --=20
> 2.39.2
>=20

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