linux-kernel - Re: [PATCH v2 4/4] dt-bindings: display: simple: hardware can use several properties

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Date: Thu, 22 Feb 2024 17:09:46 -0700
From: Rob Herring <robh@...nel.org>
To: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Jessica Zhang <quic_jesszhan@...cinc.com>,
	Sam Ravnborg <sam@...nborg.org>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
	devicetree@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2 4/4] dt-bindings: display: simple: hardware can use
 several properties

On Sat, Feb 17, 2024 at 12:02:58PM +0100, Raphael Gallais-Pou wrote:
> Setting a panel-timing in the device-tree overwrite the one specified in
> the driver and set it as preferred.  In that case 'height-mm',
> 'width-mm' and 'panel-timing' are properties that can be use for simple
> panels, according to panel-common.yaml
> 
> Fixes following warnings:
> arch/arm/boot/dts/st/stm32mp135f-dk.dtb: panel-rgb: 'height-mm', 'panel-timing', 'width-mm' do not match any of the regexes: 'pinctrl-[0-9]+'
> 	from schema $id: http://devicetree.org/schemas/display/panel/panel-simple.yaml#
> 
> Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
> ---
>  Documentation/devicetree/bindings/display/panel/panel-simple.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
> index 634a10c6f2dd..c02cbbc7a100 100644
> --- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
> @@ -352,6 +352,9 @@ properties:
>    no-hpd: true
>    hpd-gpios: true
>    data-mapping: true
> +  height-mm: true
> +  width-mm: true
> +  panel-timing: true

Instead, just change 'additionalProperties' to 'unevaluateProperties' 
and drop all these 'prop: true' lines. Pretty much anything from 
panel-common.yaml should be allowed.

Rob