From nobody Thu Nov 14 17:35:16 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 8E344C76196 for ; Tue, 11 Apr 2023 09:34:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229525AbjDKJex (ORCPT ); Tue, 11 Apr 2023 05:34:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230145AbjDKJeQ (ORCPT ); Tue, 11 Apr 2023 05:34:16 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADDB93C25; Tue, 11 Apr 2023 02:33:57 -0700 (PDT) X-UUID: f97ced10d84b11eda9a90f0bb45854f4-20230411 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=R0k5lQHHRLml/ji++14oXkm9cmht5KGHr7AnrObcMd4=; b=UOyxwXL88mhRAvK3zmw+lbZBjPtgAOXHO3PZMhye+TysyK2pOQXdgJmfOUUAwxAZY9wAAx5AT2Q0PK95TAHasoilJ3VrBFV5PFQo+T0xshqMFCmyrWfxN+esexQxevEiKxAMcmGOLnb/XXIkCCCGlh+aPftlRT45B/UgQsw5Twg=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:a0fea9d4-b872-423d-bddb-f33fda861715,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:120426c,CLOUDID:5270ae83-cd9c-45f5-8134-710979e3df0e,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,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: f97ced10d84b11eda9a90f0bb45854f4-20230411 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 264596907; Tue, 11 Apr 2023 17:33:53 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) 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 15.2.1118.25; Tue, 11 Apr 2023 17:33:52 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Tue, 11 Apr 2023 17:33:51 +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 , Tiffany Lin , Andrew-CT Chen , irui wang Subject: [PATCH v7 11/14] media: mediatek: vcodec: Remove the setting for dma_mask Date: Tue, 11 Apr 2023 17:31:41 +0800 Message-ID: <20230411093144.2690-12-yong.wu@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230411093144.2690-1-yong.wu@mediatek.com> References: <20230411093144.2690-1-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" In order to simplify the masters to set their respective dma masks, MTK IOMMU helps to centralize the processing. Because all the dma ranges is set in IOMMU, IOMMU knows well the dma mask requirements of masters. After this patch, the masters(codec here) code does not need care dma-ranges/dma_mask related information. Cc: Tiffany Lin Cc: Andrew-CT Chen Cc: Yunfei Dong Cc: Mauro Carvalho Chehab Cc: irui wang Signed-off-by: Yong Wu Acked-by: Hans Verkuil Reviewed-by: AngeloGioacchino Del Regno --- .../media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c | 8 -------- .../media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c | 3 --- 2 files changed, 11 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c b/= drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c index 174a6eec2f54..11583405cf61 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c @@ -321,14 +321,6 @@ static int mtk_vcodec_probe(struct platform_device *pd= ev) } } =20 - if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL)) { - ret =3D dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34)); - if (ret) { - mtk_v4l2_err("Failed to set mask"); - goto err_core_workq; - } - } - for (i =3D 0; i < MTK_VDEC_HW_MAX; i++) mutex_init(&dev->dec_mutex[i]); mutex_init(&dev->dev_mutex); diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c b/= drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c index 9095186d5495..50e5571608cd 100644 --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_enc_drv.c @@ -344,9 +344,6 @@ static int mtk_vcodec_probe(struct platform_device *pde= v) goto err_event_workq; } =20 - if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL)) - dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34)); - ret =3D video_register_device(vfd_enc, VFL_TYPE_VIDEO, -1); if (ret) { mtk_v4l2_err("Failed to register video device"); --=20 2.25.1