linux-kernel - RE: [PATCH v5 1/9] dt-bindings: display: bindings for starfive,JH7110 display pipeline

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Message-ID:
 <NTZPR01MB10509AE97BDC01764FB1222BEE22A@NTZPR01MB1050.CHNPR01.prod.partner.outlook.cn>
Date: Thu, 21 Nov 2024 09:52:05 +0000
From: Keith Zhao <keith.zhao@...rfivetech.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
CC: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
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Subject: RE: [PATCH v5 1/9] dt-bindings: display: bindings for starfive,JH7110
 display pipeline



> -----Original Message-----
> From: Krzysztof Kozlowski <krzk@...nel.org>
> Sent: 2024年11月21日 16:23
> To: Keith Zhao <keith.zhao@...rfivetech.com>
> Cc: devicetree@...r.kernel.org; dri-devel@...ts.freedesktop.org;
> andrzej.hajda@...el.com; neil.armstrong@...aro.org; rfoss@...nel.org;
> Laurent.pinchart@...asonboard.com; jonas@...boo.se;
> jernej.skrabec@...il.com; maarten.lankhorst@...ux.intel.com;
> mripard@...nel.org; tzimmermann@...e.de; airlied@...il.com;
> simona@...ll.ch; robh@...nel.org; krzk+dt@...nel.org; conor+dt@...nel.org;
> hjc@...k-chips.com; heiko@...ech.de; andy.yan@...k-chips.com; William Qiu
> <william.qiu@...rfivetech.com>; Xingyu Wu <xingyu.wu@...rfivetech.com>;
> kernel@...il.dk; paul.walmsley@...ive.com; palmer@...belt.com;
> aou@...s.berkeley.edu; p.zabel@...gutronix.de; Changhuang Liang
> <changhuang.liang@...rfivetech.com>; Jack Zhu <jack.zhu@...rfivetech.com>;
> linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v5 1/9] dt-bindings: display: bindings for starfive,JH7110
> display pipeline
> 
> On Wed, Nov 20, 2024 at 02:18:40PM +0800, keith zhao wrote:
> > - Added bindings to support the display subsystem on the JH7110 SoC.
> 
> Please do not use "This commit/patch/change" (implied) and past tense, but
> imperative mood. See longer explanation here:
> https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitti
> ng-patches.rst#L95
> 
> >
> > - Included the DC8200 display controller and Inno HDMI controller.
> >
> > - Created innosilicon,inno-hdmi.yaml schema containing common properties
> >   for the Inno DesignWare HDMI TX controller.
> >   This isn't a full device tree binding specification,
> >   but is intended to be referenced by platform-specific bindings
> >   for the IP core.
> >
> > Signed-off-by: keith zhao <keith.zhao@...rfivetech.com>
> > ---
> >  .../display/bridge/innosilicon,inno-hdmi.yaml |  45 +++++
> > .../display/rockchip/rockchip,inno-hdmi.yaml  |  27 +--
> >  .../starfive/starfive,jh7110-dc8200.yaml      | 176 ++++++++++++++++++
> >  .../starfive/starfive,jh7110-inno-hdmi.yaml   |  91 +++++++++
> >  .../soc/starfive/starfive,jh7110-syscon.yaml  |   1 +
> 
> I do not see how you addressed my feedback. I asked you to split the patch.
> Where is the split?

Oh sorry, I had a bit of a misunderstanding here before.
"Your patch is difficult to review. Split changing existing bindings (and defining common part) to a separate patch."
......
Split changing existing bindings (and defining common part) to a separate "bindings". 
.......


> 
> Your answer to my request to split was "Background is ...", yeah, so what? You
> are not going to split?
> 
Based on the misunderstanding of this idea, it led to not splitting the patch this time. Now I understand.
Will split it .
> 
> >  MAINTAINERS                                   |   8 +
> >  6 files changed, 323 insertions(+), 25 deletions(-)  create mode
> > 100644
> > Documentation/devicetree/bindings/display/bridge/innosilicon,inno-hdmi
> > .yaml  create mode 100644
> > Documentation/devicetree/bindings/display/starfive/starfive,jh7110-dc8
> > 200.yaml  create mode 100644
> > Documentation/devicetree/bindings/display/starfive/starfive,jh7110-inn
> > o-hdmi.yaml
> >
> > diff --git
> > a/Documentation/devicetree/bindings/display/bridge/innosilicon,inno-hd
> > mi.yaml
> > b/Documentation/devicetree/bindings/display/bridge/innosilicon,inno-hd
> > mi.yaml
> > new file mode 100644
> > index 000000000000..f2543aebc312
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/bridge/innosilicon,inn
> > +++ o-hdmi.yaml
> > @@ -0,0 +1,45 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id:
> > +http://devicetree.org/schemas/display/bridge/innosilicon,inno-hdmi.ya
> > +ml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Common Properties for Innosilicon HDMI TX IP
> > +
> > +maintainers:
> > +  - keith zhao <keith.zhao@...rfivetech.com>
> > +
> > +description: |
> 
> Do not need '|' unless you need to preserve formatting.
> 
I will remove the '|' since it's not necessary for preserving formatting.
And here is the reason why add '|' before. 
https://elixir.bootlin.com/linux/v6.12/source/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml#L12

> 
> 
> > +  Innosilicon HDMI TX is an HDMI transmission device integrated into the
> zap SoC.
> 
> Keep and extend.
Ok 
> 
> > +  This document specifies the device tree properties for the INNO HDMI IP
> core.
> 
> Keep... but what is INNO HDMI IP core? Another name? Different block?
> 
> 
> > +  It is intended to be referenced by platform-specific device tree
> > + bindings,  which will determine the necessity of each property.
> 
> Not much improved here. Last two sentences are almost useless. Again -
> document the hardware. Drop this sentence.
> 
> I already complained about this. I already complained that you keep ignoring my
> comments and this does not improve much.
> 
> Since you did not implement my main feedback I am going to NAK the rest
> except one more thing:

I appreciate your patience, 
I will not refer to the existing YAML files in the main branch for writing anymore; 
I will only follow your suggestions
https://elixir.bootlin.com/linux/v6.12/source/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml#L18

> 

> ...
> 
> > +
> > +properties:
> > +  compatible:
> > +    const: "starfive,jh7110-inno-hdmi"
> 
> I could not be more specific in my previous feedback. Improvements? No.
> Stop wasting our time.
> 
This modification was overlooked when merging, sorry again. Thank you for your feedback. 
> NAK.
> 
> Best regards,
> Krzysztof