From: Rob Herring <robh@kernel.org>
To: Irui Wang <irui.wang@mediatek.com>
Cc: Alexandre Courbot <acourbot@chromium.org>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
Tiffany Lin <tiffany.lin@mediatek.com>,
Andrew-CT Chen <andrew-ct.chen@mediatek.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Fritz Koenig <frkoenig@chromium.org>,
Tzung-Bi Shih <tzungbi@chromium.org>,
Maoguang Meng <maoguang.meng@mediatek.com>,
Longfei Wang <longfei.wang@mediatek.com>,
Yunfei Dong <yunfei.dong@mediatek.com>,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
srv_heupstream@mediatek.com, linux-mediatek@lists.infradead.org
Subject: Re: [PATCH 1/5] dt-bindings: media: mtk-vcodec: Add dma-ranges property
Date: Wed, 10 Feb 2021 16:53:23 -0600 [thread overview]
Message-ID: <20210210225323.GA2961490@robh.at.kernel.org> (raw)
In-Reply-To: <20210203083752.12586-2-irui.wang@mediatek.com>
On Wed, Feb 03, 2021 at 04:37:48PM +0800, Irui Wang wrote:
> Adds dma-ranges property for DMA addresses translation.
>
> Signed-off-by: Irui Wang <irui.wang@mediatek.com>
> ---
> Documentation/devicetree/bindings/media/mediatek-vcodec.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
> index f85276e629bf..e4644f8caee9 100644
> --- a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
> +++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
> @@ -23,6 +23,8 @@ Required properties:
> - iommus : should point to the respective IOMMU block with master port as
> argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
> for details.
> +- dma-ranges : describes how the physical address space of the IOMMU maps
> + to memory.
dma-ranges is supposed to be in a bus/parent node.
> One of the two following nodes:
> - mediatek,vpu : the node of the video processor unit, if using VPU.
> - mediatek,scp : the node of the SCP unit, if using SCP.
> --
> 2.25.1
>
next prev parent reply other threads:[~2021-02-10 22:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-03 8:37 [PATCH 0/5] Support H264 4K on MT8192 Irui Wang
2021-02-03 8:37 ` [PATCH 1/5] dt-bindings: media: mtk-vcodec: Add dma-ranges property Irui Wang
2021-02-10 22:53 ` Rob Herring [this message]
2021-03-01 6:45 ` Irui Wang
2021-04-29 11:15 ` Hans Verkuil
2021-05-17 7:51 ` Irui Wang
2021-02-03 8:37 ` [PATCH 2/5] media: mtk-vcodec: Support 4GB~8GB range iova space for venc Irui Wang
2021-02-03 8:37 ` [PATCH 3/5] dt-bindings: media: mtk-vcodec: Add binding for MT8192 VENC Irui Wang
2021-02-10 22:54 ` Rob Herring
2021-02-03 8:37 ` [PATCH 4/5] media: mtk-vcodec: Add MT8192 H264 venc driver Irui Wang
2021-02-03 8:37 ` [PATCH 5/5] media: mtk-vcodec: Support H264 4K encoding on MT8192 Irui Wang
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