linux-kernel - Re: [PATCH v4 1/3] dt-bindings: mediatek: add vdosys1 RDMA definition for mt8195

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Date:   Wed, 8 Jun 2022 09:55:40 +0800
From:   Rex-BC Chen <rex-bc.chen@...iatek.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>
CC:     "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "pavel@....cz" <pavel@....cz>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Nancy Lin (林欣螢) 
        <Nancy.Lin@...iatek.com>
Subject: Re: [PATCH v4 1/3] dt-bindings: mediatek: add vdosys1 RDMA
 definition for mt8195

On Wed, 2022-06-08 at 01:12 +0800, Krzysztof Kozlowski wrote:
> On 06/06/2022 05:18, Bo-Chen Chen wrote:
> > From: "Nancy.Lin" <nancy.lin@...iatek.com>
> > 
> > Add vdosys1 RDMA definition.
> > 
> > Signed-off-by: Nancy.Lin <nancy.lin@...iatek.com>
> > Reviewed-by: AngeloGioacchino Del Regno <
> > angelogioacchino.delregno@...labora.com>
> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> > Tested-by: AngeloGioacchino Del Regno <
> > angelogioacchino.delregno@...labora.com>
> > Signed-off-by: Bo-Chen Chen <rex-bc.chen@...iatek.com>
> > ---
> >  .../display/mediatek/mediatek,mdp-rdma.yaml   | 88
> > +++++++++++++++++++
> >  1 file changed, 88 insertions(+)
> >  create 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
> > new file mode 100644
> > index 000000000000..678abb321cc2
> > --- /dev/null
> > +++
> > b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-
> > rdma.yaml
> > @@ -0,0 +1,88 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: 
> > https://urldefense.com/v3/__http://devicetree.org/schemas/display/mediatek/mediatek,mdp-rdma.yaml*__;Iw!!CTRNKA9wMg0ARbw!xhCYRrVE-1_MTOnoDL_D-oY0zx2GGWns3WktzHKJwbLcdsGoWUhgu2dX0aG9ruZQ6aTU$
> >  
> > +$schema: 
> > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!xhCYRrVE-1_MTOnoDL_D-oY0zx2GGWns3WktzHKJwbLcdsGoWUhgu2dX0aG9ruLOtx5y$
> >  
> > +
> > +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.ya
> > ml for details.
> > +
> > +properties:
> > +  compatible:
> > +    - const: mediatek,mt8195-vdo1-rdma
> 
> During my review I missed that part. But your testing should not miss
> it
> - please always run `make dt_bindings_check` and do not send code
> which
> fails.
> 
> Best regards,
> Krzysztof

Hello Krzysztof,

Sorry we did not check again for this.
And also thanks for your review.

I will modify this in next version.

BRs,
Rex