Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Mon, 3 Apr 2023 09:58:23 -0400
From:   =?utf-8?B?TsOtY29sYXMgRi4gUi4gQS4=?= Prado 
        <nfraprado@collabora.com>
To:     Yong Wu <yong.wu@mediatek.com>
Cc:     Joerg Roedel <joro@8bytes.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Will Deacon <will@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Hans Verkuil <hverkuil@xs4all.nl>, linux-media@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
        iommu@lists.linux.dev,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        mingyuan.ma@mediatek.com, yf.wang@mediatek.com,
        jianjiao.zeng@mediatek.com, Yunfei Dong <yunfei.dong@mediatek.com>,
        kyrie wu <kyrie.wu@mediatek.corp-partner.google.com>,
        chengci.xu@mediatek.com, youlin.pei@mediatek.com,
        anan.sun@mediatek.com, Tiffany Lin <tiffany.lin@mediatek.com>,
        Andrew-CT Chen <andrew-ct.chen@mediatek.com>,
        Rob Herring <robh@kernel.org>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>
Subject: Re: [PATCH v6 01/14] dt-bindings: media: mediatek,vcodec: Remove
 dma-ranges property
Message-ID: <3a73c940-d97b-4d5c-a546-b5ee257a12f9@notapiano>
References: <20230403091337.26745-1-yong.wu@mediatek.com>
 <20230403091337.26745-2-yong.wu@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <20230403091337.26745-2-yong.wu@mediatek.com>
Precedence: bulk

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.

[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,
N?colas