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SubjectRe: [PATCH 05/10] dt-bindings: display: Add max-res property for mxsfb
On Wed, Jun 26, 2019 at 04:32:13PM +0300, Robert Chiras wrote:
> Add new optional property 'max-res', to limit the maximum supported
> resolution by the MXSFB_DRM driver.

Bindings are for h/w description, not driver config.

>
> Signed-off-by: Robert Chiras <robert.chiras@nxp.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

I suppose what you are after is bandwidth limits? IIRC, there's already
some bindings expressing such limits. Also, wouldn't you need to account
for bpp and using the 2nd plane (IIRC that there is one).

Rob

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