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

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Date:   Wed, 18 Aug 2021 23:42:45 +0800
From:   houlong wei <houlong.wei@...iatek.com>
To:     Eizan Miyamoto <eizan@...omium.org>
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>, <houlong.wei@...iatek.com>
Subject: Re: [PATCH v6 7/9] media: mtk-mdp: use mdp-rdma0 alias to point to
 MDP master

On Wed, 2021-08-18 at 15:50 +0800, Eizan Miyamoto wrote:
> 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
> 
> 
Hi Eizan,

Thanks for your help and effort. It's exactly what I expressed.

Regards,
Houlong
> 
> 
> > 
> > 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