linux-kernel - Re: [PATCH v2 09/15] dt-bindings: display: Add max-res property for mxsfb

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Message-ID: <491aff3d08f24ab4d79a4f8c139d2e44@agner.ch>
Date:   Wed, 14 Aug 2019 13:03:49 +0200
From:   Stefan Agner <stefan@...er.ch>
To:     Robert Chiras <robert.chiras@....com>, robh+dt@...nel.org,
        Mark Rutland <mark.rutland@....com>
Cc:     Guido Günther <agx@...xcpu.org>,
        Marek Vasut <marex@...x.de>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 09/15] dt-bindings: display: Add max-res property for
 mxsfb

On 2019-08-14 12:48, Robert Chiras wrote:
> Add new optional property 'max-res', to limit the maximum supported
> resolution by the MXSFB_DRM driver.

I would also mention the reason why we need this.

I guess this needs a vendor prefix as well (fsl,max-res). I also would
like to have the ack of the device tree folks here.

--
Stefan

> 
> Signed-off-by: Robert Chiras <robert.chiras@....com>
> ---
>  Documentation/devicetree/bindings/display/mxsfb.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/mxsfb.txt
> b/Documentation/devicetree/bindings/display/mxsfb.txt
> index 472e1ea..55e22ed 100644
> --- a/Documentation/devicetree/bindings/display/mxsfb.txt
> +++ b/Documentation/devicetree/bindings/display/mxsfb.txt
> @@ -17,6 +17,12 @@ Required properties:
>  Required sub-nodes:
>    - port: The connection to an encoder chip.
>  
> +Optional properties:
> +- max-res:	an array with a maximum of two integers, representing the
> +		maximum supported resolution, in the form of
> +		<maxX>, <maxY>; if one of the item is <0>, the default
> +		driver-defined maximum resolution for that axis is used
> +
>  Example:
>  
>  	lcdif1: display-controller@...0000 {