linux-kernel - Re: [PATCH v6 7/9] media: mtk-mdp: use mdp-rdma0 alias to point to MDP master

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Message-ID: <CAOak1e924x8E+kM2WJ3oGPxxt_R=b79BtbxPAdENamvjVamnEw@mail.gmail.com>
Date:   Wed, 18 Aug 2021 17:50:39 +1000
From:   Eizan Miyamoto <eizan@...omium.org>
To:     houlong wei <houlong.wei@...iatek.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "wenst@...omium.org" <wenst@...omium.org>,
        Yong Wu (吴勇) <yong.wu@...iatek.com>,
        "enric.balletbo@...labora.com" <enric.balletbo@...labora.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        Andrew-CT Chen (陳智迪) 
        <andrew-ct.chen@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Minghsiu Tsai (蔡明修) 
        <minghsiu.tsai@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v6 7/9] media: mtk-mdp: use mdp-rdma0 alias to point to
 MDP master

Hi Houlong,

Thank you for your review on this series, it is much appreciated.

On Mon, Aug 16, 2021 at 2:53 PM houlong wei <houlong.wei@...iatek.com> wrote:
> Is your removing "mediatek,vpu" necessary for this series "Refactor MTK
> MDP driver into core/components" ?

Removing it is not strictly necessary for the series to function, I
will re-upload the series and omit the following changes:
- [PATCH v6 8/9] dts: mtk-mdp: remove mediatek,vpu property from
primary MDP device
- [PATCH v6 9/9] dt-bindings: mediatek: remove vpu requirement from mtk-mdp

Do please let me know if you meant something different.

Thanks,

Eizan




>
> In some MediaTek projects (not upstream yet), the device-tree node name
> "vpu" may be changed to something like "vpu0", "vpu1" or other name,
> which depends on the implementation of "mtk-vpu" driver. We can specify
> the different phandle to "mediatek,vpu" in .dtsi file. If we use
> of_find_node_by_name() to get the vpu_node, we have to modify the name
> string in different project.
> If the answer of my previous questions is "No", I prefer to slow down
> the modification of removing "mediatek,vpu".
>
> Sorry for late reply.
>
> Regards,
> Houlong