linux-kernel - Re: [PATCH v8 2/3] MIPS: Loongson64: dts: update the display controller device node

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Date:   Thu, 17 Feb 2022 10:39:55 -0600
From:   Rob Herring <robh@...nel.org>
To:     Sui Jingfeng <15330273260@....cn>
Cc:     Dan Carpenter <dan.carpenter@...cle.com>,
        Roland Scheidegger <sroland@...are.com>,
        Maxime Ripard <mripard@...nel.org>,
        Sam Ravnborg <sam@...nborg.org>,
        suijingfeng <suijingfeng@...ngson.cn>, Li Yi <liyi@...ngson.cn>,
        Andrey Zhizhikin <andrey.zhizhikin@...ca-geosystems.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-mips@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Thomas Zimmermann <tzimmermann@...e.de>,
        devicetree@...r.kernel.org, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Christian Gmeiner <christian.gmeiner@...il.com>,
        Qing Zhang <zhangqing@...ngson.cn>,
        Zack Rusin <zackr@...are.com>, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Lucas Stach <l.stach@...gutronix.de>,
        Ilia Mirkin <imirkin@...m.mit.edu>
Subject: Re: [PATCH v8 2/3] MIPS: Loongson64: dts: update the display controller device node

On Thu, 17 Feb 2022 02:17:11 +0800, Sui Jingfeng wrote:
> From: suijingfeng <suijingfeng@...ngson.cn>
> 
> The display controller is a pci device, its PCI vendor id is 0x0014
> its PCI device id is 0x7a06.
> 
> 1) In order to let the lsdc kms driver to know which chip the DC is
>    contained in, we add different compatible for different chip.
> 
> 2) Add display controller device node for ls2k1000 SoC
> 
> Signed-off-by: suijingfeng <suijingfeng@...ngson.cn>
> Signed-off-by: Sui Jingfeng <15330273260@....cn>
> ---
>  .../loongson/loongson,display-controller.yaml | 114 ++++++++++++++++++
>  .../display/loongson/loongson-drm.txt         |  16 +++
>  .../boot/dts/loongson/loongson64-2k1000.dtsi  |   8 ++
>  arch/mips/boot/dts/loongson/ls7a-pch.dtsi     |   7 +-
>  4 files changed, 140 insertions(+), 5 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml
>  create mode 100644 Documentation/devicetree/bindings/display/loongson/loongson-drm.txt
> 

My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
on your patch (DT_CHECKER_FLAGS is new in v5.13):

yamllint warnings/errors:

dtschema/dtc warnings/errors:
./Documentation/devicetree/bindings/display/loongson/loongson,display-controller.yaml: $id: relative path/filename doesn't match actual path or filename
	expected: http://devicetree.org/schemas/display/loongson/loongson,display-controller.yaml#
Error: Documentation/devicetree/bindings/display/loongson/loongson,display-controller.example.dts:22.30-31 syntax error
FATAL ERROR: Unable to parse input tree
make[1]: *** [scripts/Makefile.lib:378: Documentation/devicetree/bindings/display/loongson/loongson,display-controller.example.dt.yaml] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:1398: dt_binding_check] Error 2

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/patch/1593886

This check can fail if there are any dependencies. The base for a patch
series is generally the most recent rc1.

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.