Re: [PATCH v3 06/11] iommu/mediatek: mt8186: Add iova_region_larb_msk

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Subject: Re: [PATCH v3 06/11] iommu/mediatek: mt8186: Add iova_region_larb_msk
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Date: Tue, 14 Feb 2023 10:36:35 +0100
Cc: Will Deacon <will@xxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>, Hans Verkuil <hverkuil@xxxxxxxxx>, nfraprado@xxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-mediatek@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxx, mingyuan.ma@xxxxxxxxxxxx, yf.wang@xxxxxxxxxxxx, jianjiao.zeng@xxxxxxxxxxxx, Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>, kyrie wu <kyrie.wu@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>, chengci.xu@xxxxxxxxxxxx, youlin.pei@xxxxxxxxxxxx, anan.sun@xxxxxxxxxxxx
In-reply-to: <20230214031114.926-7-yong.wu@mediatek.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.2

Il 14/02/23 04:11, Yong Wu ha scritto:

Add iova_region_larb_msk for mt8186. We separate the 16GB iova regions
by each device's larbid/portid.
Note: larb5/6/10/12/14/15/18 connect nothing in this SoC.
Refer to include/dt-bindings/memory/mt8186-memory-port.h

Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>


Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

References:
- [PATCH v3 00/11] Adjust the dma-ranges for MTK IOMMU
  - From: Yong Wu
- [PATCH v3 06/11] iommu/mediatek: mt8186: Add iova_region_larb_msk
  - From: Yong Wu

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