linux-kernel - Re: [PATCH v3] dt-bindings: drm/bridge: MHDP8546 bridge binding changes for DSC

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Message-Id: <175734087919.1809101.10556288924860708163.robh@kernel.org>
Date: Mon, 08 Sep 2025 09:15:25 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Harikrishna Shenoy <h-shenoy@...com>
Cc: andrzej.hajda@...el.com, linux-kernel@...r.kernel.org, 
 neil.armstrong@...aro.org, rfoss@...nel.org, u-kumar1@...com, 
 devarsht@...com, krzk+dt@...nel.org, sjakhade@...ence.com, jonas@...boo.se, 
 tzimmermann@...e.de, jernej.skrabec@...il.com, simona@...ll.ch, 
 maarten.lankhorst@...ux.intel.com, airlied@...il.com, 
 dri-devel@...ts.freedesktop.org, s-jain1@...com, yamonkar@...ence.com, 
 devicetree@...r.kernel.org, Laurent.pinchart@...asonboard.com, 
 conor+dt@...nel.org, mripard@...nel.org
Subject: Re: [PATCH v3] dt-bindings: drm/bridge: MHDP8546 bridge binding
 changes for DSC


On Mon, 08 Sep 2025 11:16:09 +0530, Harikrishna Shenoy wrote:
> From: Swapnil Jakhade <sjakhade@...ence.com>
> 
> Add binding changes for DSC(Display Stream Compression) in the MHDP8546
> DPI/DP bridge.
> 
> Signed-off-by: Swapnil Jakhade <sjakhade@...ence.com>
> Signed-off-by: Harikrishna Shenoy <h-shenoy@...com>
> ---
> Changelog v2 --> v3:
> -Update the name of dsc register block.
> -Add the reg-name list in conditional based on compatible.
> Link to v2- https://lore.kernel.org/all/20250903111357.2605199-1-h-shenoy@ti.com/
> 
>  .../display/bridge/cdns,mhdp8546.yaml         | 20 +++++++++++++++----
>  1 file changed, 16 insertions(+), 4 deletions(-)
> 

My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml: allOf:0:else:properties:reg-names: {'minItems': 1, 'maxItems': 3, 'items': [{'const': 'mhdptx'}, {'const': 'mhdptx-sapb'}, {'const': 'dsc'}]} should not be valid under {'required': ['maxItems']}
	hint: "maxItems" is not needed with an "items" list
	from schema $id: http://devicetree.org/meta-schemas/items.yaml#
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml: allOf:0:then:properties:reg-names: {'minItems': 2, 'maxItems': 4, 'items': [{'const': 'mhdptx'}, {'const': 'j721e-intg'}, {'const': 'mhdptx-sapb'}, {'const': 'dsc'}]} should not be valid under {'required': ['maxItems']}
	hint: "maxItems" is not needed with an "items" list
	from schema $id: http://devicetree.org/meta-schemas/items.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250908054609.1113360-1-h-shenoy@ti.com

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.