linux-kernel - Re: [PATCH v5 2/3] dt-binding: mediatek: integrate MDP RDMA to one binding

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Message-ID: <69ce225d04b1ed3890365c6f684bdbdb5c540e16.camel@mediatek.com>
Date:   Wed, 13 Sep 2023 03:04:25 +0000
From:   Moudy Ho (何宗原) <Moudy.Ho@...iatek.com>
To:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "krzysztof.kozlowski@...aro.org" <krzysztof.kozlowski@...aro.org>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "hverkuil-cisco@...all.nl" <hverkuil-cisco@...all.nl>,
        "airlied@...il.com" <airlied@...il.com>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>
CC:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5 2/3] dt-binding: mediatek: integrate MDP RDMA to one
 binding

On Tue, 2023-09-12 at 10:16 +0200, Krzysztof Kozlowski wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  On 12/09/2023 09:56, Moudy Ho wrote:
> > Due to the same hardware design, MDP RDMA needs to
> > be integrated into the same binding.
> > 
> 
> Please use subject prefixes matching the subsystem. You can get them
> for
> example with `git log --oneline -- DIRECTORY_OR_FILE` on the
> directory
> your patch is touching.
> 
> This applies to entire patchset. It is not dt-binding, but dt-
> bindings.
> 
> > Signed-off-by: Moudy Ho <moudy.ho@...iatek.com>
> > ---
> >  .../display/mediatek/mediatek,mdp-rdma.yaml   | 88 -------------
> ------
> >  .../bindings/media/mediatek,mdp3-rdma.yaml    |  5 +-
> >  2 files changed, 3 insertions(+), 90 deletions(-)
> >  delete mode 100644
> Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-
> rdma.yaml
> > 
> > diff --git
> a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-
> rdma.yaml
> b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-
> rdma.yaml
> > deleted file mode 100644
> > index dd12e2ff685c..000000000000
> > ---
> a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-
> rdma.yaml
> > +++ /dev/null
> > @@ -1,88 +0,0 @@
> > -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > -%YAML 1.2
> > ----
> > -$id: 
> http://devicetree.org/schemas/display/mediatek/mediatek,mdp-rdma.yaml#
> > -$schema: http://devicetree.org/meta-schemas/core.yaml#
> > -
> > -title: MediaTek MDP RDMA
> > -
> > -maintainers:
> > -  - Chun-Kuang Hu <chunkuang.hu@...nel.org>
> > -  - Philipp Zabel <p.zabel@...gutronix.de>
> > -
> > -description:
> > -  The MediaTek MDP RDMA stands for Read Direct Memory Access.
> > -  It provides real time data to the back-end panel driver, such as
> DSI,
> > -  DPI and DP_INTF.
> > -  It contains one line buffer to store the sufficient pixel data.
> > -  RDMA device node must be siblings to the central MMSYS_CONFIG
> node.
> > -  For a description of the MMSYS_CONFIG binding, see
> >
> -  Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
> for details.
> > -
> > -properties:
> > -  compatible:
> > -    const: mediatek,mt8195-vdo1-rdma
> > -
> > -  reg:
> > -    maxItems: 1
> > -
> > -  interrupts:
> > -    maxItems: 1
> > -
> > -  power-domains:
> > -    maxItems: 1
> > -
> > -  clocks:
> > -    items:
> > -      - description: RDMA Clock
> 
> This is different and you did not explain it in commit msg.
> 
> Another difference - mboxes. Looks like you did not test your DTS...
> 
> Best regards,
> Krzysztof
> 
Hi Krzysztof,

Sorry for the inconvenience.
The property you mentioned was removed on [3/3]. This incorrect
configuration went unnoticed because I passed the test with the entire
series.
It will be recified in the next version.

Sincerely,
Moudy