linux-kernel - Re: [PATCH v6 01/14] dt-bindings: media: mediatek,vcodec: Remove dma-ranges property

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Date:   Tue, 4 Apr 2023 00:49:07 +0000
From:   Yong Wu (吴勇) <Yong.Wu@...iatek.com>
To:     "nfraprado@...labora.com" <nfraprado@...labora.com>
CC:     Andrew-CT Chen (陳智迪) 
        <Andrew-CT.Chen@...iatek.com>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
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        Youlin Pei (裴友林) 
        <youlin.pei@...iatek.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Tiffany Lin (林慧珊) 
        <tiffany.lin@...iatek.com>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Jianjiao Zeng (曾健姣) 
        <Jianjiao.Zeng@...iatek.com>,
        Anan Sun (孙安安) <Anan.Sun@...iatek.com>,
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Subject: Re: [PATCH v6 01/14] dt-bindings: media: mediatek,vcodec: Remove
 dma-ranges property

On Mon, 2023-04-03 at 09:58 -0400, Nícolas F. R. A. Prado wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> 
> 
> On Mon, Apr 03, 2023 at 05:13:24PM +0800, Yong Wu wrote:
> [..]
> > --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-
> > subdev-decoder.yaml
> > +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-
> > subdev-decoder.yaml
> > @@ -76,11 +76,6 @@ properties:
> >        The node of system control processor (SCP), using
> >        the remoteproc & rpmsg framework.
> > 
> > -  dma-ranges:
> > -    maxItems: 1
> > -    description: |
> > -      Describes the physical address space of IOMMU maps to
> > memory.
> > -
> >    "#address-cells":
> >      const: 2
> > 
> > @@ -203,7 +198,6 @@ required:
> >    - reg
> >    - iommus
> >    - mediatek,scp
> > -  - dma-ranges
> >    - ranges
> > 
> >  if:
> > @@ -236,7 +230,6 @@ examples:
> >              compatible = "mediatek,mt8192-vcodec-dec";
> >              mediatek,scp = <&scp>;
> >              iommus = <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>;
> > -            dma-ranges = <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>;
> >              #address-cells = <2>;
> >              #size-cells = <2>;
> >              ranges = <0 0 0 0x16000000 0 0x40000>;
> 
> Hi,
> 
> this change was also done in another patch [1], and it is already
> queued for the
> media tree [2], so you'll need to remove this part of your patch in
> order to
> avoid conflicts.

Hi Nícolas,

Thanks a lot for this information. I will remove the change in this
file.

> 
> [1] 
> https://lore.kernel.org/all/20230303013842.23259-3-allen-kh.cheng@mediatek.com/
> [2] 
> https://lore.kernel.org/all/98c48690-631d-1086-9b7c-004c61cc8dbb@xs4all.nl/#t
> 
> Thanks,
> Nícolas