From patchwork Mon Apr 3 09:13:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WW9uZyBXdSAo5ZC05YuHKQ==?= X-Patchwork-Id: 13197923 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7F1BFC761A6 for ; Mon, 3 Apr 2023 09:37:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DjB85GVUfy3FW13cJNd4EPg4ImbvukfK9UUZBT2p2B8=; b=mjUMQ+LSG9UPC5 84FHoQI6onEpsQ0Y3IuMyVUDEdhb5w2jhG9Xmj4RKkc2bh5PJsqU5uiMQhCP7ezV4ofFnK5X7gAq1 FI2NCXMf1RReXNY/KGsix09q0y3OmxJfFShpdo5rWBXcoSgbBI/i5pAI+a4T1lPG5TAD4IzJT2dhl b7tDtyaNFIJjRLKEk0ASxqL8umPmmeGlfn1o0W2c6DD+gcVafHtedgeWWP2PK/rhQpfc2p5YvWtQd OIIL1xNU5ArPms6WpzDoIM+XG5OcURgc6dWQMS4N8KcnzH6dZAhoPpVaJX79gSCljL9sGL6e4iUcV rBifVbBvEXdms0ZqRmpg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pjGc2-00Ekad-1R; Mon, 03 Apr 2023 09:36:30 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pjGbx-00EkZ8-0V; Mon, 03 Apr 2023 09:36:28 +0000 X-UUID: fd56e692d20211ed8687db9d93187ff1-20230403 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=ikbJp6d90IXVw0sxspdPpFbtjqXNe1M7Eau6Eu2D3DM=; b=anu/e93vtTmVrExRX0KTvCV0YMOuu8AH9hwJmUqaOQHvqMiscCbfJmxHGlo7H8Lsp2QiMK57zrGk1Na3Pu4pxGTqkvNoswWvL/eRaXrJv2qnULSGtL1R0FiTt/TObxHsg7Jqv1EDPort2Je9sDrgwHzvCSxVwJdGRJhYvYwonh0=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:9b015398-1e50-4944-b4c7-e84efb27153e,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:120426c,CLOUDID:243824b5-beed-4dfc-bd9c-e1b22fa6ccc4,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-CID-BAS: 0,_,0,_ X-UUID: fd56e692d20211ed8687db9d93187ff1-20230403 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 518132668; Mon, 03 Apr 2023 02:36:20 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) 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 15.2.1118.25; Mon, 3 Apr 2023 17:15:43 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Mon, 3 Apr 2023 17:15:42 +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 v6 09/14] iommu/mediatek: Set dma_mask for the master devices Date: Mon, 3 Apr 2023 17:13:32 +0800 Message-ID: <20230403091337.26745-10-yong.wu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230403091337.26745-1-yong.wu@mediatek.com> References: <20230403091337.26745-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230403_023627_422894_5B08D755 X-CRM114-Status: GOOD ( 11.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- drivers/iommu/mtk_iommu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 0e104bb27010..f58b970dccf2 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -738,6 +738,14 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain, } mutex_unlock(&data->mutex); + if (region_id > 0) { + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(34)); + if (ret) { + dev_err(m4udev, "Failed to set dma_mask for %s(%d).\n", dev_name(dev), ret); + return ret; + } + } + return mtk_iommu_config(data, dev, true, region_id); err_unlock: