From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 60B55C636D4 for ; Tue, 14 Feb 2023 03:11:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230353AbjBNDLx (ORCPT ); Mon, 13 Feb 2023 22:11:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229570AbjBNDLu (ORCPT ); Mon, 13 Feb 2023 22:11:50 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7EF1C3ABD; Mon, 13 Feb 2023 19:11:46 -0800 (PST) X-UUID: 4c4e0924ac1511ed945fc101203acc17-20230214 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=Tj7gc9/ETJfThMX11/SvkW6RSCkvj56c1pXVSNQqS0I=; b=LduadrWg5nsrX4qrfe3pwpA7BsBx1THD+Fyz6FNf6sYrzqtf577ONOpZVKg3IYGgNPcCTmbWsu/W9MqBIZbcRepX+gBXAr7WLh7d89a97RXLu28qeu2uXYFNCmbnCBJdM9kP9Q9hVthNnDlHRG1EixRAJwq3l8pYFuK0iExeGZ0=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.19,REQID:379066a4-207f-4128-8b61-a8149d09d043,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:885ddb2,CLOUDID:d1a5cc8e-8530-4eff-9f77-222cf6e2895b,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-UUID: 4c4e0924ac1511ed945fc101203acc17-20230214 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 24010724; Tue, 14 Feb 2023 11:11:39 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.194) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 14 Feb 2023 11:11:38 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 14 Feb 2023 11:11:37 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring CC: Will Deacon , Robin Murphy , Krzysztof Kozlowski , Hans Verkuil , , , , , , , , "AngeloGioacchino Del Regno" , , , , Yunfei Dong , kyrie wu , , , , Yong Wu , Tiffany Lin , "Andrew-CT Chen" Subject: [PATCH v3 01/11] dt-bindings: media: mediatek,vcodec: Remove dma-ranges property Date: Tue, 14 Feb 2023 11:11:04 +0800 Message-ID: <20230214031114.926-2-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230214031114.926-1-yong.wu@mediatek.com> References: <20230214031114.926-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" After commit f1ad5338a4d5 ("of: Fix "dma-ranges" handling for bus controllers"), the dma-ranges of the leaf node doesn't work. Remove it for vcodec here. 1) For mediatek,vcodec-decoder.yaml and mediatek,vcodec-encoder.yaml, this property is in the leaf node, it is invalid as the above comment. Currently there is only mt8195 VENC node has this property in upstream. Indeed, VENC is affected, but it is not a fatal issue. Originally it expects its iova range locate at 4GB-8GB. However after that commit, its expectation doesn't come true, it will fall back to 0-4GB iova and also could work well. 2) For mediatek,vcodec-subdev-decoder.yaml, It already uses parent-child node, this property works. Instead, MediaTek iommu will control the masters' iova ranges by the master's larb/port id internally, then the dma-ranges property is unnecessary for the master's node. Cc: Tiffany Lin Cc: Andrew-CT Chen Cc: Yunfei Dong Cc: Mauro Carvalho Chehab Cc: Matthias Brugger Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno Acked-by: Rob Herring --- .../devicetree/bindings/media/mediatek,vcodec-decoder.yaml | 5 ----- .../devicetree/bindings/media/mediatek,vcodec-encoder.yaml | 5 ----- .../bindings/media/mediatek,vcodec-subdev-decoder.yaml | 7 ------- 3 files changed, 17 deletions(-) diff --git a/Documentation/devicetree/bindings/media/mediatek,vcodec-decode= r.yaml b/Documentation/devicetree/bindings/media/mediatek,vcodec-decoder.ya= ml index aa55ca65d6ed..fad59b486d5d 100644 --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-decoder.yaml +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-decoder.yaml @@ -56,11 +56,6 @@ properties: List of the hardware port in respective IOMMU block for current Socs. Refer to bindings/iommu/mediatek,iommu.yaml. =20 - dma-ranges: - maxItems: 1 - description: | - Describes the physical address space of IOMMU maps to memory. - mediatek,vpu: $ref: /schemas/types.yaml#/definitions/phandle description: diff --git a/Documentation/devicetree/bindings/media/mediatek,vcodec-encode= r.yaml b/Documentation/devicetree/bindings/media/mediatek,vcodec-encoder.ya= ml index 0f2ea8d9a10c..a2051b31fa29 100644 --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-encoder.yaml +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-encoder.yaml @@ -49,11 +49,6 @@ properties: List of the hardware port in respective IOMMU block for current Socs. Refer to bindings/iommu/mediatek,iommu.yaml. =20 - dma-ranges: - maxItems: 1 - description: | - Describes the physical address space of IOMMU maps to memory. - mediatek,vpu: $ref: /schemas/types.yaml#/definitions/phandle description: diff --git a/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev= -decoder.yaml b/Documentation/devicetree/bindings/media/mediatek,vcodec-sub= dev-decoder.yaml index c4f20acdc1f8..290594bc91cc 100644 --- a/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decode= r.yaml +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decode= r.yaml @@ -76,11 +76,6 @@ properties: The node of system control processor (SCP), using the remoteproc & rpmsg framework. =20 - dma-ranges: - maxItems: 1 - description: | - Describes the physical address space of IOMMU maps to memory. - "#address-cells": const: 2 =20 @@ -203,7 +198,6 @@ required: - reg - iommus - mediatek,scp - - dma-ranges - ranges =20 if: @@ -236,7 +230,6 @@ examples: compatible =3D "mediatek,mt8192-vcodec-dec"; mediatek,scp =3D <&scp>; iommus =3D <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>; - dma-ranges =3D <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; #address-cells =3D <2>; #size-cells =3D <2>; ranges =3D <0 0 0 0x16000000 0 0x40000>; --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C83CC6379F for ; Tue, 14 Feb 2023 03:12:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231142AbjBNDMK (ORCPT ); Mon, 13 Feb 2023 22:12:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230507AbjBNDME (ORCPT ); Mon, 13 Feb 2023 22:12:04 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB68E1733; Mon, 13 Feb 2023 19:12:00 -0800 (PST) X-UUID: 5549e3a4ac1511ed945fc101203acc17-20230214 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=gVKL4KJqwisyrDGjjim13i1bSfcD5JMtp94Ihfda32A=; b=vCTc2sGVTHccclKqbQ0tCFPRqSOxmGk18KO9aA4dR/rfGo3MLO47MNzk/hkp6WvFq8oa/UrQ5dT8IS57GxsXR/G8dCrVZISPFWNWy8hAti3rWwUT7nzziTvTPB7YKsWRTYHWy3BtZX9vZsw1gPB0CiTTRrbQvbS5mCMFkWKAY2U=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.19,REQID:ef535989-c72e-44c4-83d3-33b91278df2c,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:90 X-CID-INFO: VERSION:1.1.19,REQID:ef535989-c72e-44c4-83d3-33b91278df2c,IP:0,URL :0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTIO N:quarantine,TS:90 X-CID-META: VersionHash:885ddb2,CLOUDID:04143257-dd49-462e-a4be-2143a3ddc739,B ulkID:230214111157J1MT4Z8P,BulkQuantity:0,Recheck:0,SF:38|29|28|17|19|48,T C:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 ,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-UUID: 5549e3a4ac1511ed945fc101203acc17-20230214 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1828590367; Tue, 14 Feb 2023 11:11:54 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.194) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 14 Feb 2023 11:11:53 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 14 Feb 2023 11:11:51 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring CC: Will Deacon , Robin Murphy , Krzysztof Kozlowski , Hans Verkuil , , , , , , , , "AngeloGioacchino Del Regno" , , , , Yunfei Dong , kyrie wu , , , , Yong Wu , Bin Liu , Xia Jiang Subject: [PATCH v3 02/11] dt-bindings: media: mediatek,jpeg: Remove dma-ranges property Date: Tue, 14 Feb 2023 11:11:05 +0800 Message-ID: <20230214031114.926-3-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230214031114.926-1-yong.wu@mediatek.com> References: <20230214031114.926-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" After commit f1ad5338a4d5 ("of: Fix "dma-ranges" handling for bus controllers"), the dma-ranges of the leaf node doesn't work. Remove it for jpeg here. Currently there is only mt8195 jpeg node has this property in upstream, and it already uses parent-child node, this property did work. But instead, MediaTek iommu will control the masters' iova ranges by the master's larb/port id internally, then this property is unnecessary. Cc: Mauro Carvalho Chehab Cc: Matthias Brugger Cc: Bin Liu Cc: kyrie wu Cc: Xia Jiang Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno Acked-by: Rob Herring --- .../devicetree/bindings/media/mediatek,mt8195-jpegdec.yaml | 7 ------- .../devicetree/bindings/media/mediatek,mt8195-jpegenc.yaml | 7 ------- .../devicetree/bindings/media/mediatek-jpeg-encoder.yaml | 5 ----- 3 files changed, 19 deletions(-) diff --git a/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegde= c.yaml b/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegdec.ya= ml index 71595c013dbb..e5448c60e3eb 100644 --- a/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegdec.yaml +++ b/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegdec.yaml @@ -26,11 +26,6 @@ properties: Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for deta= ils. Ports are according to the HW. =20 - dma-ranges: - maxItems: 1 - description: | - Describes the physical address space of IOMMU maps to memory. - "#address-cells": const: 2 =20 @@ -89,7 +84,6 @@ required: - compatible - power-domains - iommus - - dma-ranges - ranges =20 additionalProperties: false @@ -115,7 +109,6 @@ examples: <&iommu_vpp M4U_PORT_L19_JPGDEC_BSDMA1>, <&iommu_vpp M4U_PORT_L19_JPGDEC_BUFF_OFFSET1>, <&iommu_vpp M4U_PORT_L19_JPGDEC_BUFF_OFFSET0>; - dma-ranges =3D <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; #address-cells =3D <2>; #size-cells =3D <2>; ranges; diff --git a/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegen= c.yaml b/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegenc.ya= ml index 95990539f7c0..596186497b68 100644 --- a/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegenc.yaml +++ b/Documentation/devicetree/bindings/media/mediatek,mt8195-jpegenc.yaml @@ -26,11 +26,6 @@ properties: Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for deta= ils. Ports are according to the HW. =20 - dma-ranges: - maxItems: 1 - description: | - Describes the physical address space of IOMMU maps to memory. - "#address-cells": const: 2 =20 @@ -89,7 +84,6 @@ required: - compatible - power-domains - iommus - - dma-ranges - ranges =20 additionalProperties: false @@ -113,7 +107,6 @@ examples: <&iommu_vpp M4U_PORT_L20_JPGENC_C_RDMA>, <&iommu_vpp M4U_PORT_L20_JPGENC_Q_TABLE>, <&iommu_vpp M4U_PORT_L20_JPGENC_BSDMA>; - dma-ranges =3D <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; #address-cells =3D <2>; #size-cells =3D <2>; ranges; diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.= yaml b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml index c8412e8ab353..37800e1908cc 100644 --- a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml +++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.yaml @@ -44,11 +44,6 @@ properties: Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for deta= ils. Ports are according to the HW. =20 - dma-ranges: - maxItems: 1 - description: | - Describes the physical address space of IOMMU maps to memory. - required: - compatible - reg --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5003BC636D4 for ; Tue, 14 Feb 2023 03:12:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230525AbjBNDMT (ORCPT ); Mon, 13 Feb 2023 22:12:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230259AbjBNDMR (ORCPT ); Mon, 13 Feb 2023 22:12:17 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCD8DBB95; Mon, 13 Feb 2023 19:12:10 -0800 (PST) X-UUID: 5b620212ac1511ed945fc101203acc17-20230214 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=peavVusQeZHXkfJ5gLzdRFCDza4y4JlhLRiqN/ma/lU=; b=W1A6hdbhIfd8V7v6rILa0p145TFqwfkXqwM2FMR869cF48S3Bef/ayu+Yorjh5GJPQoFWJBcrVCZM5V6lFwqKdlvkAvzfXA55Yq6kHnEF2HI+rmFNAWByX3+S8p+pTI1b6iQE1Xifq6q+rpolucmnbZg8LF/lhxp+ZbGwSSEoqA=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.19,REQID:97f5f6ca-aaeb-452d-a7cf-a79f8cbf5d1c,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:885ddb2,CLOUDID:fba9cc8e-8530-4eff-9f77-222cf6e2895b,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0,NGT X-UUID: 5b620212ac1511ed945fc101203acc17-20230214 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 868878484; Tue, 14 Feb 2023 11:12:04 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 14 Feb 2023 11:12:03 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 14 Feb 2023 11:12:02 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring CC: Will Deacon , Robin Murphy , Krzysztof Kozlowski , Hans Verkuil , , , , , , , , AngeloGioacchino Del Regno , , , , Yunfei Dong , kyrie wu , , , , Yong Wu Subject: [PATCH v3 03/11] iommu/mediatek: Improve comment for the current region/bank Date: Tue, 14 Feb 2023 11:11:06 +0800 Message-ID: <20230214031114.926-4-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230214031114.926-1-yong.wu@mediatek.com> References: <20230214031114.926-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" No functional change. Just add more comment about the current region/bank in the code. Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno --- drivers/iommu/mtk_iommu.c | 31 ++++++++++++++++++++++++++----- 1 file changed, 26 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index d5a4955910ff..ab53edcb221f 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -197,12 +197,33 @@ struct mtk_iommu_plat_data { =20 char *pericfg_comp_str; struct list_head *hw_list; - unsigned int iova_region_nr; - const struct mtk_iommu_iova_region *iova_region; =20 - u8 banks_num; - bool banks_enable[MTK_IOMMU_BANK_MAX]; - unsigned int banks_portmsk[MTK_IOMMU_BANK_MAX]; + /* + * The IOMMU HW may support 16GB iova. In order to balance the IOVA range= s, + * different masters will be put in different iova ranges, for example vc= odec + * is in 4G-8G and cam is in 8G-12G. Meanwhile, some masters may have the + * special IOVA range requirement, like CCU can only support the address + * 0x40000000-0x44000000. + * Here list the iova ranges this SoC supports and which larbs/ports are = in + * which region. + * + * 16GB iova all use one pgtable, but each a region is a iommu group. + */ + struct { + unsigned int iova_region_nr; + const struct mtk_iommu_iova_region *iova_region; + }; + + /* + * The IOMMU HW may have 5 banks. Each bank has a indenpendent pgtable. + * Here list how many banks this SoC supports/enables and which ports are= in which bank. + */ + struct { + u8 banks_num; + bool banks_enable[MTK_IOMMU_BANK_MAX]; + unsigned int banks_portmsk[MTK_IOMMU_BANK_MAX]; + }; + unsigned char larbid_remap[MTK_LARB_COM_MAX][MTK_LARB_SUBCOM_MAX]; }; =20 --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B573FC636D4 for ; Tue, 14 Feb 2023 03:12:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230451AbjBNDMi (ORCPT ); Mon, 13 Feb 2023 22:12:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230259AbjBNDMf (ORCPT ); Mon, 13 Feb 2023 22:12:35 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFE0219688; Mon, 13 Feb 2023 19:12:22 -0800 (PST) X-UUID: 61dff98cac1511ed945fc101203acc17-20230214 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=zWET5nPAG15bJ/2TfLTPXB14Wk3COEmdilceNirVKAE=; b=nm+sOKFO+NA9GuHrf4gseyD2R5Set4vKLsotTGXGI7RJ1HhauhM0WIXTaQmZq7Pv8cNCWEbKOlCOQc2THgh2sSbf0zPFtxTJ5+1arhmrOULBtcNOcSrC6ESiqjy/xILL3fu7Aa0DIhFv0CSSlnvzdLJzrJdG6MpUBz6Zqxpe8LY=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.19,REQID:bbb6fba2-38b9-4fdb-b5ff-9b88f8d52b8c,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:885ddb2,CLOUDID:07ca5bf8-ff42-4fb0-b929-626456a83c14,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-UUID: 61dff98cac1511ed945fc101203acc17-20230214 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 822963398; Tue, 14 Feb 2023 11:12:15 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.194) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 14 Feb 2023 11:12:14 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 14 Feb 2023 11:12:13 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring CC: Will Deacon , Robin Murphy , Krzysztof Kozlowski , Hans Verkuil , , , , , , , , "AngeloGioacchino Del Regno" , , , , Yunfei Dong , kyrie wu , , , , Yong Wu Subject: [PATCH v3 04/11] iommu/mediatek: Get regionid from larb/port id Date: Tue, 14 Feb 2023 11:11:07 +0800 Message-ID: <20230214031114.926-5-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230214031114.926-1-yong.wu@mediatek.com> References: <20230214031114.926-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 to different masters into different iova regions. Thus we have to separate it by the HW larbid and portid. For example, larb1/2 are in region2 and larb3 is in region3. The problem is that some ports inside a larb are in region4 while some ports inside this larb are in region5. Therefore I define a "iova_region_larb_msk" to help record the information for each a port. Take a example for a larb: [1] =3D ~0: means all ports in this larb are in region1; [2] =3D BIT(3) | BIT(4): means port3/4 in this larb are region2; [3] =3D ~(BIT(3) | BIT(4)): means all the other ports except port3/4 in this larb are region3. This method also avoids the users forget/abuse the iova regions. Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno --- drivers/iommu/mtk_iommu.c | 47 ++++++++++++++++++++++----------------- 1 file changed, 27 insertions(+), 20 deletions(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index ab53edcb221f..7e2cb3b8cac8 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -8,7 +8,6 @@ #include #include #include -#include #include #include #include @@ -212,6 +211,11 @@ struct mtk_iommu_plat_data { struct { unsigned int iova_region_nr; const struct mtk_iommu_iova_region *iova_region; + /* + * Indicate the correspondence between larbs/ports and regions. + * The index is same with iova_region. + */ + const u32 (*iova_region_larb_msk)[MTK_LARB_NR_MAX]; }; =20 /* @@ -529,30 +533,33 @@ static unsigned int mtk_iommu_get_bank_id(struct devi= ce *dev, static int mtk_iommu_get_iova_region_id(struct device *dev, const struct mtk_iommu_plat_data *plat_data) { - const struct mtk_iommu_iova_region *rgn =3D plat_data->iova_region; - const struct bus_dma_region *dma_rgn =3D dev->dma_range_map; - int i, candidate =3D -1; - dma_addr_t dma_end; + struct iommu_fwspec *fwspec =3D dev_iommu_fwspec_get(dev); + unsigned int portidmsk =3D 0, larbid; + const u32 *rgn_larb_msk; + int i, region_id =3D -1; =20 - if (!dma_rgn || plat_data->iova_region_nr =3D=3D 1) + if (plat_data->iova_region_nr =3D=3D 1) return 0; =20 - dma_end =3D dma_rgn->dma_start + dma_rgn->size - 1; - for (i =3D 0; i < plat_data->iova_region_nr; i++, rgn++) { - /* Best fit. */ - if (dma_rgn->dma_start =3D=3D rgn->iova_base && - dma_end =3D=3D rgn->iova_base + rgn->size - 1) - return i; - /* ok if it is inside this region. */ - if (dma_rgn->dma_start >=3D rgn->iova_base && - dma_end < rgn->iova_base + rgn->size) - candidate =3D i; + larbid =3D MTK_M4U_TO_LARB(fwspec->ids[0]); + for (i =3D 0; i < fwspec->num_ids; i++) + portidmsk |=3D BIT(MTK_M4U_TO_PORT(fwspec->ids[i])); + + for (i =3D 0; i < plat_data->iova_region_nr; i++) { + rgn_larb_msk =3D plat_data->iova_region_larb_msk[i]; + if (!rgn_larb_msk) + continue; + + if ((rgn_larb_msk[larbid] & portidmsk) =3D=3D portidmsk) { + region_id =3D i; + break; + } } =20 - if (candidate >=3D 0) - return candidate; - dev_err(dev, "Can NOT find the iommu domain id(%pad 0x%llx).\n", - &dma_rgn->dma_start, dma_rgn->size); + if (region_id >=3D 0) + return region_id; + dev_err(dev, "Can NOT find the region for larb(%d-%x).\n", + larbid, portidmsk); return -EINVAL; } =20 --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1AF26C636CC for ; Tue, 14 Feb 2023 03:13:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231217AbjBNDNF (ORCPT ); Mon, 13 Feb 2023 22:13:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230412AbjBNDNC (ORCPT ); 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charset="utf-8" Add iova_region_larb_msk for mt8195. We separate the 16GB iova regions by each device's larbid/portid. Refer to include/dt-bindings/memory/mt8195-memory-port.h Define a new macro MT8192_MULTI_REGION_MAX_NR to indicate the index of mt8xxx_larb_region_msk and "struct mtk_iommu_iova_region mt8192_multi_dom" are the same. Signed-off-by: Yong Wu --- drivers/iommu/mtk_iommu.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 7e2cb3b8cac8..3d9986fb49a5 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -332,7 +332,12 @@ static const struct mtk_iommu_iova_region single_domai= n[] =3D { {.iova_base =3D 0, .size =3D SZ_4G}, }; =20 -static const struct mtk_iommu_iova_region mt8192_multi_dom[] =3D { +#define MT8192_MULTI_REGION_MAX_NR 6 + +#define MT8192_MULTI_REGION_NR (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) ?= \ + MT8192_MULTI_REGION_MAX_NR : 1) + +static const struct mtk_iommu_iova_region mt8192_multi_dom[MT8192_MULTI_RE= GION_NR] =3D { { .iova_base =3D 0x0, .size =3D SZ_4G}, /* 0 ~ 4G */ #if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) { .iova_base =3D SZ_4G, .size =3D SZ_4G}, /* 4G ~ 8G */ @@ -1562,6 +1567,21 @@ static const struct mtk_iommu_plat_data mt8195_data_= infra =3D { .iova_region_nr =3D ARRAY_SIZE(single_domain), }; =20 +static const unsigned int mt8195_larb_region_msk[MT8192_MULTI_REGION_MAX_N= R][MTK_LARB_NR_MAX] =3D { + [0] =3D {~0, ~0, ~0, ~0}, /* Region0: all ports for larb0/1= /2/3 */ + [1] =3D {0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, ~0, ~0, ~0, ~0, ~0, /* Region1: larb19/20/21/22/23/24 */ + ~0}, + [2] =3D {0, 0, 0, 0, ~0, ~0, ~0, ~0, /* Region2: the other larbs. */ + ~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0, + ~0, ~0, 0, 0, 0, 0, 0, 0, + 0, ~0, ~0, ~0, ~0}, + [3] =3D {0}, + [4] =3D {[18] =3D BIT(0) | BIT(1)}, /* Only larb18 port0/1 */ + [5] =3D {[18] =3D BIT(2) | BIT(3)}, /* Only larb18 port2/3 */ +}; + static const struct mtk_iommu_plat_data mt8195_data_vdo =3D { .m4u_plat =3D M4U_MT8195, .flags =3D HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | @@ -1572,6 +1592,7 @@ static const struct mtk_iommu_plat_data mt8195_data_v= do =3D { .banks_enable =3D {true}, .iova_region =3D mt8192_multi_dom, .iova_region_nr =3D ARRAY_SIZE(mt8192_multi_dom), + .iova_region_larb_msk =3D mt8195_larb_region_msk, .larbid_remap =3D {{2, 0}, {21}, {24}, {7}, {19}, {9, 10, 11}, {13, 17, 15/* 17b */, 25}, {5}}, }; @@ -1586,6 +1607,7 @@ static const struct mtk_iommu_plat_data mt8195_data_v= pp =3D { .banks_enable =3D {true}, .iova_region =3D mt8192_multi_dom, .iova_region_nr =3D ARRAY_SIZE(mt8192_multi_dom), + .iova_region_larb_msk =3D mt8195_larb_region_msk, .larbid_remap =3D {{1}, {3}, {22, MTK_INVALID_LARBID, MTK_INVALID_LARBID, MTK_INVALID_LARBID, 23}, {8}, {20}, {12}, --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 796E4C64EC7 for ; Tue, 14 Feb 2023 03:13:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229560AbjBNDNS (ORCPT ); Mon, 13 Feb 2023 22:13:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230412AbjBNDNP (ORCPT ); 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charset="utf-8" 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 Reviewed-by: AngeloGioacchino Del Regno --- drivers/iommu/mtk_iommu.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 3d9986fb49a5..49f018138d9a 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -1525,6 +1525,18 @@ static const struct mtk_iommu_plat_data mt8183_data = =3D { .larbid_remap =3D {{0}, {4}, {5}, {6}, {7}, {2}, {3}, {1}}, }; =20 +static const unsigned int mt8186_larb_region_msk[MT8192_MULTI_REGION_MAX_N= R][MTK_LARB_NR_MAX] =3D { + [0] =3D {~0, ~0, ~0}, /* Region0: all ports for larb0/1/2 */ + [1] =3D {0, 0, 0, 0, ~0, 0, 0, ~0}, /* Region1: larb4/7 */ + [2] =3D {0, 0, 0, 0, 0, 0, 0, 0, /* Region2: larb8/9/11/13/16/17/19/20 */ + ~0, ~0, 0, ~0, 0, ~(u32)(BIT(9) | BIT(10)), 0, 0, + /* larb13: the other ports except port9/10 */ + ~0, ~0, 0, ~0, ~0}, + [3] =3D {0}, + [4] =3D {[13] =3D BIT(9) | BIT(10)}, /* larb13 port9/10 */ + [5] =3D {[14] =3D ~0}, /* larb14 */ +}; + static const struct mtk_iommu_plat_data mt8186_data_mm =3D { .m4u_plat =3D M4U_MT8186, .flags =3D HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | @@ -1537,6 +1549,7 @@ static const struct mtk_iommu_plat_data mt8186_data_m= m =3D { .banks_enable =3D {true}, .iova_region =3D mt8192_multi_dom, .iova_region_nr =3D ARRAY_SIZE(mt8192_multi_dom), + .iova_region_larb_msk =3D mt8186_larb_region_msk, }; =20 static const struct mtk_iommu_plat_data mt8192_data =3D { --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1789CC64ED6 for ; Tue, 14 Feb 2023 03:13:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231238AbjBNDN1 (ORCPT ); Mon, 13 Feb 2023 22:13:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231301AbjBNDNX (ORCPT ); Mon, 13 Feb 2023 22:13:23 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D15541A962; Mon, 13 Feb 2023 19:12:59 -0800 (PST) X-UUID: 792ddc3aac1511eda06fc9ecc4dadd91-20230214 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=nlc1O0uGFdKL0HVge6HHQXyE6Jn19cM7Bw82F07IIP4=; b=c2xLMOtVIDQh7FYtaHp3KGXgfuEJ2219WQql06deySBtJP0y5QzO53E6JBJ6aooeCcXEBYQ60zPrKG4ixDrcd6KG6C/WDAxz2cqUMphVu5x6tlMz7gdqccu5/pWZiK7UR/o8hiBanIUjBuB1U1gaf5QetWVpp+zCRR24DdHsjz0=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.19,REQID:639c7643-989e-4e76-9fec-581d30cc0ccf,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:885ddb2,CLOUDID:75b2cc8e-8530-4eff-9f77-222cf6e2895b,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-UUID: 792ddc3aac1511eda06fc9ecc4dadd91-20230214 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 537414409; Tue, 14 Feb 2023 11:12:54 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.194) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 14 Feb 2023 11:12:53 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 14 Feb 2023 11:12:52 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring CC: Will Deacon , Robin Murphy , Krzysztof Kozlowski , Hans Verkuil , , , , , , , , AngeloGioacchino Del Regno , , , , Yunfei Dong , kyrie wu , , , , Yong Wu Subject: [PATCH v3 07/11] iommu/mediatek: mt8192: Add iova_region_larb_msk Date: Tue, 14 Feb 2023 11:11:10 +0800 Message-ID: <20230214031114.926-8-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230214031114.926-1-yong.wu@mediatek.com> References: <20230214031114.926-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add iova_region_larb_msk for mt8192. We separate the 16GB iova regions by each device's larbid/portid. Note: larb3/6/8/10/12/15 connect nothing in this SoC. Refer to the comment in include/dt-bindings/memory/mt8192-larb-port.h Signed-off-by: Yong Wu --- drivers/iommu/mtk_iommu.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 49f018138d9a..995e59cabf6c 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -1552,6 +1552,17 @@ static const struct mtk_iommu_plat_data mt8186_data_= mm =3D { .iova_region_larb_msk =3D mt8186_larb_region_msk, }; =20 +static const unsigned int mt8192_larb_region_msk[MT8192_MULTI_REGION_MAX_N= R][MTK_LARB_NR_MAX] =3D { + [0] =3D {~0, ~0}, /* Region0: larb0/1 */ + [1] =3D {0, 0, 0, 0, ~0, ~0, 0, ~0}, /* Region1: larb4/5/7 */ + [2] =3D {0, 0, ~0, 0, 0, 0, 0, 0, /* Region2: larb2/9/11/13/14/16/17/18/= 19/20 */ + 0, ~0, 0, ~0, 0, ~(u32)(BIT(9) | BIT(10)), ~(u32)(BIT(4) | BIT(5))= , 0, + ~0, ~0, ~0, ~0, ~0}, + [3] =3D {0}, + [4] =3D {[13] =3D BIT(9) | BIT(10)}, /* larb13 port9/10 */ + [5] =3D {[14] =3D BIT(4) | BIT(5)}, /* larb14 port4/5 */ +}; + static const struct mtk_iommu_plat_data mt8192_data =3D { .m4u_plat =3D M4U_MT8192, .flags =3D HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | @@ -1561,6 +1572,7 @@ static const struct mtk_iommu_plat_data mt8192_data = =3D { .banks_enable =3D {true}, .iova_region =3D mt8192_multi_dom, .iova_region_nr =3D ARRAY_SIZE(mt8192_multi_dom), + .iova_region_larb_msk =3D mt8192_larb_region_msk, .larbid_remap =3D {{0}, {1}, {4, 5}, {7}, {2}, {9, 11, 19, 20}, {0, 14, 16}, {0, 13, 18, 17}}, }; --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 075E5C6379F for ; Tue, 14 Feb 2023 03:13:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231315AbjBNDNd (ORCPT ); Mon, 13 Feb 2023 22:13:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230175AbjBNDNb (ORCPT ); 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Tue, 14 Feb 2023 11:13:04 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 14 Feb 2023 11:13:02 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 14 Feb 2023 11:13:01 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring CC: Will Deacon , Robin Murphy , Krzysztof Kozlowski , Hans Verkuil , , , , , , , , AngeloGioacchino Del Regno , , , , Yunfei Dong , kyrie wu , , , , Yong Wu Subject: [PATCH v3 08/11] iommu/mediatek: Add a gap for the iova regions Date: Tue, 14 Feb 2023 11:11:11 +0800 Message-ID: <20230214031114.926-9-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230214031114.926-1-yong.wu@mediatek.com> References: <20230214031114.926-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" As the removed property in the vcodec dt-binding, the property is: dma-ranges =3D <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; The length is 0xfff0_0000 rather than 0x1_0000_0000, this means it requires 1M as a gap. This is because the end address for some vcodec HW is (address + size). If the size is 4G, the end address may be 0x2_0000_0000, and the width for vcodec register only is 32, then the HW may get the ZERO address. Currently the consumer's dma-ranges property doesn't work, IOMMU has to consider this case. Add a bigger gap(8M) for all the regions to avoid it. Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno --- drivers/iommu/mtk_iommu.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 995e59cabf6c..4503fba72384 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -329,7 +329,7 @@ static LIST_HEAD(m4ulist); /* List all the M4U HWs */ #define for_each_m4u(data, head) list_for_each_entry(data, head, list) =20 static const struct mtk_iommu_iova_region single_domain[] =3D { - {.iova_base =3D 0, .size =3D SZ_4G}, + {.iova_base =3D 0, .size =3D SZ_4G - SZ_8M}, }; =20 #define MT8192_MULTI_REGION_MAX_NR 6 @@ -338,11 +338,11 @@ static const struct mtk_iommu_iova_region single_doma= in[] =3D { MT8192_MULTI_REGION_MAX_NR : 1) =20 static const struct mtk_iommu_iova_region mt8192_multi_dom[MT8192_MULTI_RE= GION_NR] =3D { - { .iova_base =3D 0x0, .size =3D SZ_4G}, /* 0 ~ 4G */ + { .iova_base =3D 0x0, .size =3D SZ_4G - SZ_8M}, /* 0 ~ 4G, 8M as a gap. = */ #if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) - { .iova_base =3D SZ_4G, .size =3D SZ_4G}, /* 4G ~ 8G */ - { .iova_base =3D SZ_4G * 2, .size =3D SZ_4G}, /* 8G ~ 12G */ - { .iova_base =3D SZ_4G * 3, .size =3D SZ_4G}, /* 12G ~ 16G */ + { .iova_base =3D SZ_4G, .size =3D SZ_4G - SZ_8M}, /* 4G ~ 8G */ + { .iova_base =3D SZ_4G * 2, .size =3D SZ_4G - SZ_8M}, /* 8G ~ 12G */ + { .iova_base =3D SZ_4G * 3, .size =3D SZ_4G - SZ_8M}, /* 12G ~ 16G */ =20 { .iova_base =3D 0x240000000ULL, .size =3D 0x4000000}, /* CCU0 */ { .iova_base =3D 0x244000000ULL, .size =3D 0x4000000}, /* CCU1 */ --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73373C636D4 for ; Tue, 14 Feb 2023 03:13:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231383AbjBNDNm (ORCPT ); Mon, 13 Feb 2023 22:13:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231356AbjBNDNi (ORCPT ); Mon, 13 Feb 2023 22:13:38 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D02231C58E; Mon, 13 Feb 2023 19:13:14 -0800 (PST) X-UUID: 828178f0ac1511eda06fc9ecc4dadd91-20230214 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=PyGFaiQpYwvJRNsu5FUdDc+UhFlL928fq4ghNZboUsU=; b=ot6Nn0nEroAhixnyHC3EdUMLCp+K47Kz9+JvFHP/cpBqqTrSmJTVtjNyK0wD5qTC191rrGrcIajG+UVc4tcM320v3YLhqyTtm0+hmDExOMYw5UmDTnpS1R+34iNjR/3zJJSFVRzvQ/Lnl8Oo3UMS/UbOVUGCKug0mSp8dXch/v8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.19,REQID:b4b117de-9561-4214-b3f1-f39634b71bb8,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:885ddb2,CLOUDID:3ed25bf8-ff42-4fb0-b929-626456a83c14,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0,NGT X-UUID: 828178f0ac1511eda06fc9ecc4dadd91-20230214 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 845115601; Tue, 14 Feb 2023 11:13:10 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.194) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Tue, 14 Feb 2023 11:13:08 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 14 Feb 2023 11:13:07 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring CC: Will Deacon , Robin Murphy , Krzysztof Kozlowski , Hans Verkuil , , , , , , , , "AngeloGioacchino Del Regno" , , , , Yunfei Dong , kyrie wu , , , , Yong Wu Subject: [PATCH v3 09/11] arm64: dts: mt8195: Add dma-ranges for the parent "soc" node Date: Tue, 14 Feb 2023 11:11:12 +0800 Message-ID: <20230214031114.926-10-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230214031114.926-1-yong.wu@mediatek.com> References: <20230214031114.926-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" After commit f1ad5338a4d5 ("of: Fix "dma-ranges" handling for bus controllers"), the dma-ranges property is not allowed for the leaf node. But our iommu/dma-ranges is 16GB, we still expect separate the 16GB dma-range like: a) display is in 0 - 4GB; b) vcodec is in 4GB - 8GB; c) camera is in 8GB - 12GB. We can not expect all the masters add a parent node for them, especial for the existed drivers/nodes. Thus, we add whole the 16GB dma-ranges in the parent "soc" node. Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8195.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts= /mediatek/mt8195.dtsi index 8f1264d5290b..0f5a31ca1b70 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -364,6 +364,7 @@ #size-cells =3D <2>; compatible =3D "simple-bus"; ranges; + dma-ranges =3D <0x0 0x0 0x0 0x0 0x4 0x0>; =20 gic: interrupt-controller@c000000 { compatible =3D "arm,gic-v3"; --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69D51C636D4 for ; Tue, 14 Feb 2023 03:13:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231378AbjBNDNy (ORCPT ); Mon, 13 Feb 2023 22:13:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47878 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231398AbjBNDNu (ORCPT ); Mon, 13 Feb 2023 22:13:50 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C1AFB1CAE8; Mon, 13 Feb 2023 19:13:21 -0800 (PST) X-UUID: 868b144cac1511ed945fc101203acc17-20230214 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=6NHS2KCzcmLYPt4o9uTG7GnDL5CYjHINzLfnsbF5K0Q=; b=rY9e+F9vizLyxY6K5SmX9rIRZ/fgqnW9uQsK5JvYxbL2HDkKesnyfR+Ys2X9hmoZGEFvLJujAw5CINOOm/F9e9AJAeULlvRkASy/kwV3sHtM8NQ8o7FXVBrjscRZEhrsKttfd2OeZtJ0TqCfQB7AIc+WFuzHoiGVYIn0awkzPTU=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.19,REQID:57fb537f-f81e-4d4a-b46e-1374f8b6d476,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:95 X-CID-INFO: VERSION:1.1.19,REQID:57fb537f-f81e-4d4a-b46e-1374f8b6d476,IP:0,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTION :quarantine,TS:95 X-CID-META: VersionHash:885ddb2,CLOUDID:84d35bf8-ff42-4fb0-b929-626456a83c14,B ulkID:2302141113186E5561JH,BulkQuantity:0,Recheck:0,SF:38|29|28|17|19|48,T C:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 ,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-UUID: 868b144cac1511ed945fc101203acc17-20230214 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1195401730; Tue, 14 Feb 2023 11:13:16 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 14 Feb 2023 11:13:15 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 14 Feb 2023 11:13:14 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring CC: Will Deacon , Robin Murphy , Krzysztof Kozlowski , Hans Verkuil , , , , , , , , AngeloGioacchino Del Regno , , , , Yunfei Dong , kyrie wu , , , , Yong Wu Subject: [PATCH v3 10/11] arm64: dts: mt8195: Remove the unnecessary dma-ranges Date: Tue, 14 Feb 2023 11:11:13 +0800 Message-ID: <20230214031114.926-11-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230214031114.926-1-yong.wu@mediatek.com> References: <20230214031114.926-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" After we add the dma-ranges in the parent "soc" node, this property is unnecessary for the leaf node. Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8195.dtsi | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts= /mediatek/mt8195.dtsi index 0f5a31ca1b70..7d87cbabc9f1 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -2300,7 +2300,6 @@ power-domains =3D <&spm MT8195_POWER_DOMAIN_VENC>; #address-cells =3D <2>; #size-cells =3D <2>; - dma-ranges =3D <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; }; =20 jpgdec-master { @@ -2312,7 +2311,6 @@ <&iommu_vdo M4U_PORT_L19_JPGDEC_BSDMA1>, <&iommu_vdo M4U_PORT_L19_JPGDEC_BUFF_OFFSET1>, <&iommu_vdo M4U_PORT_L19_JPGDEC_BUFF_OFFSET0>; - dma-ranges =3D <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; #address-cells =3D <2>; #size-cells =3D <2>; ranges; @@ -2384,7 +2382,6 @@ <&iommu_vpp M4U_PORT_L20_JPGENC_C_RDMA>, <&iommu_vpp M4U_PORT_L20_JPGENC_Q_TABLE>, <&iommu_vpp M4U_PORT_L20_JPGENC_BSDMA>; - dma-ranges =3D <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; #address-cells =3D <2>; #size-cells =3D <2>; ranges; --=20 2.18.0 From nobody Sun Nov 10 21:32:33 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DEECC636D4 for ; Tue, 14 Feb 2023 03:14:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229758AbjBNDOE (ORCPT ); Mon, 13 Feb 2023 22:14:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231414AbjBNDOA (ORCPT ); Mon, 13 Feb 2023 22:14:00 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF5AE1C310; Mon, 13 Feb 2023 19:13:31 -0800 (PST) X-UUID: 8ce10694ac1511ed945fc101203acc17-20230214 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=BZeA43XoOAkEaxyj8RL5V/54tyfKVdYzibdG9XTu4Dc=; b=JTiA+kaAoPG699J7iYsY/U3lHvBGKTpPr6BGmtbL+lIGCrXyezsFogXjBofgyjTDZZ8R+lrCEALFrwSRdkcrq+wypdQu8rWaxRBQ1SX+K1LUC0qAjVhu1HTiAvv4q0Rz108WGyG0qLnWg7ZN+X7Drie9U8RfJSEy/E9tinWXgeA=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.19,REQID:faabf7ab-c3de-48b3-a5d7-4971d12ce280,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:885ddb2,CLOUDID:ccd55bf8-ff42-4fb0-b929-626456a83c14,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-UUID: 8ce10694ac1511ed945fc101203acc17-20230214 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1444860566; Tue, 14 Feb 2023 11:13:27 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.194) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 14 Feb 2023 11:13:26 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 14 Feb 2023 11:13:24 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring CC: Will Deacon , Robin Murphy , Krzysztof Kozlowski , Hans Verkuil , , , , , , , , AngeloGioacchino Del Regno , , , , Yunfei Dong , kyrie wu , , , , Yong Wu Subject: [PATCH v3 11/11] arm64: dts: mt8186: Add dma-ranges for the parent "soc" node Date: Tue, 14 Feb 2023 11:11:14 +0800 Message-ID: <20230214031114.926-12-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230214031114.926-1-yong.wu@mediatek.com> References: <20230214031114.926-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Prepare for the MM nodes whose dma-ranges(iova range) is 16GB. Signed-off-by: Yong Wu Reviewed-by: AngeloGioacchino Del Regno --- arch/arm64/boot/dts/mediatek/mt8186.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts= /mediatek/mt8186.dtsi index a0d3e1f731bd..251eace411c0 100644 --- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi @@ -324,6 +324,7 @@ #address-cells =3D <2>; #size-cells =3D <2>; compatible =3D "simple-bus"; + dma-ranges =3D <0x0 0x0 0x0 0x0 0x4 0x0>; ranges; =20 gic: interrupt-controller@c000000 { --=20 2.18.0