From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Yong Wu <yong.wu@mediatek.com>, Joerg Roedel <joro@8bytes.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Herring <robh+dt@kernel.org>
Cc: Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Hans Verkuil <hverkuil@xs4all.nl>,
nfraprado@collabora.com, linux-media@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
iommu@lists.linux.dev, mingyuan.ma@mediatek.com,
yf.wang@mediatek.com, jianjiao.zeng@mediatek.com,
Yunfei Dong <yunfei.dong@mediatek.com>,
kyrie wu <kyrie.wu@mediatek.corp-partner.google.com>,
chengci.xu@mediatek.com, youlin.pei@mediatek.com,
anan.sun@mediatek.com
Subject: Re: [PATCH v7 09/14] iommu/mediatek: Set dma_mask for the master devices
Date: Tue, 11 Apr 2023 12:13:17 +0200 [thread overview]
Message-ID: <5697b1ba-262d-34d9-b853-a6c959fc29fd@collabora.com> (raw)
In-Reply-To: <20230411093144.2690-10-yong.wu@mediatek.com>
Il 11/04/23 11:31, Yong Wu ha scritto:
> MediaTek iommu arranges dma ranges for all the masters, this patch is to
> help them set dma mask. This is to avoid each master setting their own
> mask, but also to avoid a real issue, such as JPEG uses
> "mediatek,mtk-jpgenc" for 2701/8183/8186/8188, then JPEG could ignore its
> different dma_mask in different SoC to achieve common code.
>
> Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
next prev parent reply other threads:[~2023-04-11 10:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-11 9:31 [PATCH v7 00/14] Adjust the dma-ranges for MTK IOMMU Yong Wu
2023-04-11 9:31 ` [PATCH v7 01/14] dt-bindings: media: mediatek,vcodec: Remove dma-ranges property Yong Wu
2023-04-11 9:31 ` [PATCH v7 02/14] dt-bindings: media: mediatek,jpeg: " Yong Wu
2023-04-11 9:31 ` [PATCH v7 03/14] iommu/mediatek: Improve comment for the current region/bank Yong Wu
2023-04-11 9:31 ` [PATCH v7 04/14] iommu/mediatek: Get regionid from larb/port id Yong Wu
2023-04-11 9:31 ` [PATCH v7 05/14] iommu/mediatek: mt8192: Add iova_region_larb_msk Yong Wu
2023-04-11 9:31 ` [PATCH v7 06/14] iommu/mediatek: mt8195: " Yong Wu
2023-04-11 9:31 ` [PATCH v7 07/14] iommu/mediatek: mt8186: " Yong Wu
2023-04-11 9:31 ` [PATCH v7 08/14] iommu/mediatek: Add a gap for the iova regions Yong Wu
2023-04-11 9:31 ` [PATCH v7 09/14] iommu/mediatek: Set dma_mask for the master devices Yong Wu
2023-04-11 10:13 ` AngeloGioacchino Del Regno [this message]
2023-04-11 9:31 ` [PATCH v7 10/14] media: mtk-jpegdec: Remove the setting for dma_mask Yong Wu
2023-04-11 10:12 ` AngeloGioacchino Del Regno
2023-04-12 14:34 ` Hans Verkuil
2023-04-11 9:31 ` [PATCH v7 11/14] media: mediatek: vcodec: " Yong Wu
2023-04-11 10:13 ` AngeloGioacchino Del Regno
2023-04-12 14:34 ` Hans Verkuil
2023-04-11 9:31 ` [PATCH v7 12/14] arm64: dts: mt8195: Remove the unnecessary dma-ranges Yong Wu
2023-04-11 9:31 ` [PATCH v7 13/14] arm64: dts: mt8195: Add dma-ranges for the parent "soc" node Yong Wu
2023-04-11 9:31 ` [PATCH v7 14/14] arm64: dts: mt8186: " Yong Wu
2023-04-12 14:35 ` [PATCH v7 00/14] Adjust the dma-ranges for MTK IOMMU Hans Verkuil
2023-04-13 9:59 ` Joerg Roedel
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