linux-kernel - Re: [PATCH v3 06/33] iommu/mediatek: Add 12G~16G support for multi domains

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Message-ID: <0b4a4b95-813a-ef79-395d-da6ea80147d8@collabora.com>
Date:   Tue, 4 Jan 2022 16:54:26 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Tomasz Figa <tfiga@...omium.org>,
        linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org,
        Hsin-Yi Wang <hsinyi@...omium.org>, youlin.pei@...iatek.com,
        anan.sun@...iatek.com, chao.hao@...iatek.com,
        yen-chang.chen@...iatek.com
Subject: Re: [PATCH v3 06/33] iommu/mediatek: Add 12G~16G support for multi
 domains

Il 23/09/21 13:58, Yong Wu ha scritto:
> In mt8192, we preassign 0-4G; 4G-8G; 8G-12G for different multimedia
> engines. This depends on the "dma-ranges=" in the iommu consumer's dtsi
> node.
> 
> Adds 12G-16G region here. and reword the previous comment. we don't limit
> which master locate in which region.
> 
> CCU still is 8G-12G. Don't change it here.
> 
> Signed-off-by: Yong Wu <yong.wu@...iatek.com>

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