linux-kernel - Re: [PATCH v3 02/17] dt-bindings: display: mediatek: add EXDMA yaml for MT8196

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Message-Id: <174730611044.164934.18396756831118218280.robh@kernel.org>
Date: Thu, 15 May 2025 05:48:30 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: "paul-pl.chen" <paul-pl.chen@...iatek.com>
Cc: fshao@...omium.org, devicetree@...r.kernel.org, 
 Project_Global_Chrome_Upstream_Group@...iatek.com, 
 xiandong.wang@...iatek.com, krzk+dt@...nel.org, 
 dri-devel@...ts.freedesktop.org, nancy.lin@...iatek.com, 
 linux-mediatek@...ts.infradead.org, sirius.wang@...iatek.com, 
 singo.chang@...iatek.com, linux-arm-kernel@...ts.infradead.org, 
 p.zabel@...gutronix.de, treapking@...omium.org, jason-jh.lin@...iatek.com, 
 linux-kernel@...r.kernel.org, matthias.bgg@...il.com, conor+dt@...nel.org, 
 chunkuang.hu@...nel.org, angelogioacchino.delregno@...labora.com, 
 sunny.shen@...iatek.com
Subject: Re: [PATCH v3 02/17] dt-bindings: display: mediatek: add EXDMA
 yaml for MT8196


On Thu, 15 May 2025 17:34:14 +0800, paul-pl.chen wrote:
> From: Paul-pl Chen <paul-pl.chen@...iatek.com>
> 
> Add mediatek,exdma.yaml to support EXDMA for MT8196.
> The MediaTek display overlap extended DMA engine, namely
> OVL_EXDMA or EXDMA, primarily functions as a DMA engine
> for reading data from DRAM with various DRAM footprints
> and data formats.
> 
> Signed-off-by: Nancy Lin <nancy.lin@...iatek.com>
> Signed-off-by: Paul-pl Chen <paul-pl.chen@...iatek.com>
> ---
>  .../bindings/dma/mediatek,exdma.yaml          | 68 +++++++++++++++++++
>  1 file changed, 68 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/dma/mediatek,exdma.yaml
> 

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/dma/mediatek,exdma.example.dtb: dma-controller@...50000 (mediatek,mt8196-exdma): 'mediatek,larb' is a required property
	from schema $id: http://devicetree.org/schemas/dma/mediatek,exdma.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20250515093454.1729720-3-paul-pl.chen@mediatek.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.