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From: Rob Herring <robh@kernel.org>
To: Irui Wang <irui.wang@mediatek.com>
Cc: Tiffany Lin <tiffany.lin@mediatek.com>,
	Maoguang Meng <maoguang.meng@mediatek.com>,
	Alexandre Courbot <acourbot@chromium.org>,
	linux-media@vger.kernel.org,
	Longfei Wang <longfei.wang@mediatek.com>,
	Yong Wu <yong.wu@mediatek.com>,
	Project_Global_Chrome_Upstream_Group@mediatek.com,
	Tomasz Figa <tfiga@google.com>,
	linux-mediatek@lists.infradead.org,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Andrew-CT Chen <andrew-ct.chen@mediatek.com>,
	devicetree@vger.kernel.org,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>,
	Hsin-Yi Wang <hsinyi@chromium.org>,
	Tzung-Bi Shih <tzungbi@chromium.org>,
	Fritz Koenig <frkoenig@chromium.org>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	srv_heupstream@mediatek.com,
	linux-arm-kernel@lists.infradead.org,
	Yunfei Dong <yunfei.dong@mediatek.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4,2/6] dt-bindings: media: mtk-vcodec: Add dma-ranges property
Date: Wed, 2 Jun 2021 13:50:17 -0500	[thread overview]
Message-ID: <20210602185017.GA3763804@robh.at.kernel.org> (raw)
In-Reply-To: <20210521070139.20644-3-irui.wang@mediatek.com>

On Fri, 21 May 2021 15:01:35 +0800, Irui Wang wrote:
> The mt8192 iommu support 0~16GB iova. We separate it to four banks:
> 0~4G; 4G~8G; 8G~12G; 12G~16G.
> 
> The "dma-ranges" could be used to adjust the bank we locate.
> If we don't set this property. The default range always is 0~4G.
> 
> Here we don't have actual bus/parent concept here.  And the iova
> requirement is for our HW. Thus put the property in our node.
> 
> Signed-off-by: Irui Wang <irui.wang@mediatek.com>
> ---
>  Documentation/devicetree/bindings/media/mediatek-vcodec.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>

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  reply	other threads:[~2021-06-02 18:52 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-21  7:01 [PATCH v4,0/6] Support H264 4K on MT8192 Irui Wang
2021-05-21  7:01 ` [PATCH v4,1/6] media: mtk-vcodec: venc: remove redundant code Irui Wang
2021-05-21  8:05   ` Tzung-Bi Shih
2021-05-21  7:01 ` [PATCH v4, 2/6] dt-bindings: media: mtk-vcodec: Add dma-ranges property Irui Wang
2021-06-02 18:50   ` Rob Herring [this message]
2021-05-21  7:01 ` [PATCH v4, 3/6] media: mtk-vcodec: Support 4GB~8GB range iova space for venc Irui Wang
2021-05-21  8:06   ` [PATCH v4,3/6] " Tzung-Bi Shih
2021-05-22  9:50     ` Yong Wu
2021-05-21  7:01 ` [PATCH v4, 4/6] dt-bindings: media: mtk-vcodec: Add binding for MT8192 VENC Irui Wang
2021-05-21  7:01 ` [PATCH v4,5/6] media: mtk-vcodec: Add MT8192 H264 venc driver Irui Wang
2021-05-21  8:06   ` Tzung-Bi Shih
2021-05-28  5:27   ` Dafna Hirschfeld
2021-06-03  3:55     ` Irui Wang
2021-05-21  7:01 ` [PATCH v4,6/6] media: mtk-vcodec: Support MT8192 H264 4K encoding Irui Wang
2021-05-21  8:06   ` [PATCH v4, 6/6] " Tzung-Bi Shih
2021-05-24  2:39     ` [PATCH v4,6/6] " Irui Wang
2021-05-28  5:57   ` [PATCH v4, 6/6] " Dafna Hirschfeld

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