From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Yong Wu <yong.wu@mediatek.com>, Joerg Roedel <joro@8bytes.org>,
Will Deacon <will@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: Robin Murphy <robin.murphy@arm.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
iommu@lists.linux.dev, linux-mediatek@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, mingyuan.ma@mediatek.com,
yf.wang@mediatek.com, jianjiao.zeng@mediatek.com,
chengci.xu@mediatek.com
Subject: Re: [PATCH v9 3/7] iommu/mediatek: Adjust mtk_iommu_config flow
Date: Fri, 17 Mar 2023 10:34:29 +0100 [thread overview]
Message-ID: <797dcbef-8485-72cc-4eb5-f58153d147ce@collabora.com> (raw)
In-Reply-To: <20230317085541.20447-4-yong.wu@mediatek.com>
Il 17/03/23 09:55, Yong Wu ha scritto:
> From: "Chengci.Xu" <chengci.xu@mediatek.com>
>
> If there are many ports in a infra master, current flow will update
> the INFRA register many times. This patch saves all ports to portid_msk
> in the front of mtk_iommu_config(), then update only once for the IOMMU
> configure. After this, we could avoid send too many SMC calls to ATF in
> MT8188.
>
> Prepare for MT8188, also reduce the indention without functional change.
>
> Signed-off-by: Chengci.Xu <chengci.xu@mediatek.com>
> Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
next prev parent reply other threads:[~2023-03-17 9:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-17 8:55 [PATCH v9 0/7] MT8188 IOMMU SUPPORT Yong Wu
2023-03-17 8:55 ` [PATCH v9 1/7] dt-bindings: mediatek: mt8188: Add binding for MM & INFRA IOMMU Yong Wu
2023-03-17 8:59 ` Krzysztof Kozlowski
2023-03-17 8:55 ` [PATCH v9 2/7] iommu/mediatek: Fix two IOMMU share pagetable issue Yong Wu
2023-03-17 9:34 ` AngeloGioacchino Del Regno
2023-03-21 6:50 ` Yong Wu (吴勇)
2023-03-21 8:52 ` AngeloGioacchino Del Regno
2023-03-17 8:55 ` [PATCH v9 3/7] iommu/mediatek: Adjust mtk_iommu_config flow Yong Wu
2023-03-17 9:34 ` AngeloGioacchino Del Regno [this message]
2023-03-17 8:55 ` [PATCH v9 4/7] iommu/mediatek: Add enable IOMMU SMC command for INFRA masters Yong Wu
2023-03-17 9:35 ` AngeloGioacchino Del Regno
2023-03-17 8:55 ` [PATCH v9 5/7] iommu/mediatek: Add MT8188 IOMMU Support Yong Wu
2023-03-17 8:55 ` [PATCH v9 6/7] iommu/mediatek: mt8188: Add iova_region_larb_msk Yong Wu
2023-03-17 8:55 ` [PATCH v9 7/7] MAINTAINERS: iommu/mediatek: Update the header file name Yong Wu
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