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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e65-20020a636944000000b0051394ccd19csi16403731pgc.55.2023.04.12.07.37.23; Wed, 12 Apr 2023 07:37:35 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=xs4all.nl Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230148AbjDLOg1 (ORCPT + 99 others); Wed, 12 Apr 2023 10:36:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36404 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231691AbjDLOgT (ORCPT ); Wed, 12 Apr 2023 10:36:19 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF7AC9745; Wed, 12 Apr 2023 07:35:51 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7229562D9C; Wed, 12 Apr 2023 14:35:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3B94C433EF; Wed, 12 Apr 2023 14:35:46 +0000 (UTC) Message-ID: <2c3105d4-2e60-e77a-df5d-e2a7e37c6f4a@xs4all.nl> Date: Wed, 12 Apr 2023 16:35:45 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH v7 00/14] Adjust the dma-ranges for MTK IOMMU Content-Language: en-US To: Yong Wu , Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring Cc: Will Deacon , Robin Murphy , Krzysztof Kozlowski , 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, AngeloGioacchino Del Regno , mingyuan.ma@mediatek.com, yf.wang@mediatek.com, jianjiao.zeng@mediatek.com, Yunfei Dong , kyrie wu , chengci.xu@mediatek.com, youlin.pei@mediatek.com, anan.sun@mediatek.com References: <20230411093144.2690-1-yong.wu@mediatek.com> From: Hans Verkuil In-Reply-To: <20230411093144.2690-1-yong.wu@mediatek.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-5.0 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,NICE_REPLY_A,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/04/2023 11:31, Yong Wu wrote: > After commit f1ad5338a4d5 ("of: Fix "dma-ranges" handling for bus > controllers"), the dma-ranges is not allowed for dts leaf node. > but we still would like to separate the different masters into > different iova regions. Thus we adjust the internal flow, separate > the 16GB iova range by the master HW larbid/portid and add the > dma-ranges property in the parent "soc" node. This also could avoid > the users forget/abuse the iova regions. > > The commit f1ad5338a4d5 did affect the mt8195 venc, But it is not > a fatal issue, it could also work well at 0-4GB iova. thus I don't > add "Fixes:" tag. > > In this series, I add functions for mt8192/mt8195/mt8186, mt8188 will > be in its special patchset. and the previous mt8173/mt8183...support > 0-4GB only, no need this function. I've Acked patches 10 and 11 as well. I assume this series will be merged through the iommu subsystem? If not, and I need to take the media patches, then please let me know! Regards, Hans > > Change note: > v7: Remove the change about mediatek,vcodec-subdev-decoder.yaml since > this was merged at: > https://lore.kernel.org/all/98c48690-631d-1086-9b7c-004c61cc8dbb@xs4all.nl/ > > v6: https://lore.kernel.org/linux-mediatek/20230403091337.26745-1-yong.wu@mediatek.com/ > Add three patches for set dma-mask for iommu master devices. > > v5: Nothing change. Just rebase on v6.3-rc1. > > v4: https://lore.kernel.org/linux-mediatek/20230215062544.8677-1-yong.wu@mediatek.com/ > Improve the comment in the code from AngeloGioacchino. > > v3: https://lore.kernel.org/linux-mediatek/20230214031114.926-1-yong.wu@mediatek.com/ > Add a new patch only for comment more in the code. > > v2: https://lore.kernel.org/linux-mediatek/20230208053643.28249-1-yong.wu@mediatek.com/ > a) Base on next-20230206 since mt8195 jpeg node is applied which affect > this patch. > b) Reword the commit message [1/10][2/10] to explain effect. > > v1: https://lore.kernel.org/linux-mediatek/20230113060133.9394-1-yong.wu@mediatek.com/ > Base on v6.2-rc3. > > Yong Wu (14): > dt-bindings: media: mediatek,vcodec: Remove dma-ranges property > dt-bindings: media: mediatek,jpeg: Remove dma-ranges property > iommu/mediatek: Improve comment for the current region/bank > iommu/mediatek: Get regionid from larb/port id > iommu/mediatek: mt8192: Add iova_region_larb_msk > iommu/mediatek: mt8195: Add iova_region_larb_msk > iommu/mediatek: mt8186: Add iova_region_larb_msk > iommu/mediatek: Add a gap for the iova regions > iommu/mediatek: Set dma_mask for the master devices > media: mtk-jpegdec: Remove the setting for dma_mask > media: mediatek: vcodec: Remove the setting for dma_mask > arm64: dts: mt8195: Remove the unnecessary dma-ranges > arm64: dts: mt8195: Add dma-ranges for the parent "soc" node > arm64: dts: mt8186: Add dma-ranges for the parent "soc" node > > .../media/mediatek,mt8195-jpegdec.yaml | 7 - > .../media/mediatek,mt8195-jpegenc.yaml | 7 - > .../media/mediatek,vcodec-decoder.yaml | 5 - > .../media/mediatek,vcodec-encoder.yaml | 5 - > .../bindings/media/mediatek-jpeg-encoder.yaml | 5 - > arch/arm64/boot/dts/mediatek/mt8186.dtsi | 1 + > arch/arm64/boot/dts/mediatek/mt8195.dtsi | 4 +- > drivers/iommu/mtk_iommu.c | 145 ++++++++++++++---- > .../platform/mediatek/jpeg/mtk_jpeg_core.c | 3 - > .../mediatek/vcodec/mtk_vcodec_dec_drv.c | 8 - > .../mediatek/vcodec/mtk_vcodec_enc_drv.c | 3 - > 11 files changed, 117 insertions(+), 76 deletions(-) >