From nobody Sun Sep 22 15:27:12 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB47EC43219 for ; Fri, 29 Oct 2021 03:56:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C97F56103B for ; Fri, 29 Oct 2021 03:56:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232169AbhJ2D66 (ORCPT ); Thu, 28 Oct 2021 23:58:58 -0400 Received: from mailgw01.mediatek.com ([60.244.123.138]:41968 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S231899AbhJ2D6Z (ORCPT ); Thu, 28 Oct 2021 23:58:25 -0400 X-UUID: 2240b3ab37664a23b1edab62918c5b90-20211029 X-UUID: 2240b3ab37664a23b1edab62918c5b90-20211029 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 574383761; Fri, 29 Oct 2021 11:55:53 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Fri, 29 Oct 2021 11:55:51 +0800 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 29 Oct 2021 11:55:51 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs10n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Fri, 29 Oct 2021 11:55:49 +0800 From: Yunfei Dong To: Yunfei Dong , Alexandre Courbot , Hans Verkuil , "Tzung-Bi Shih" , Tiffany Lin , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa CC: Hsin-Yi Wang , Fritz Koenig , Dafna Hirschfeld , Benjamin Gaignard , Daniel Vetter , dri-devel , Irui Wang , , , , , , , Subject: [PATCH v8, 14/17] media: mtk-vcodec: Support 34bits dma address for vdec Date: Fri, 29 Oct 2021 11:55:24 +0800 Message-ID: <20211029035527.454-15-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211029035527.454-1-yunfei.dong@mediatek.com> References: <20211029035527.454-1-yunfei.dong@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" Use the dma_set_mask_and_coherent helper to set vdec DMA bit mask to support 34bits iova space(16GB) that the mt8192 iommu HW support. Whole the iova range separate to 0~4G/4G~8G/8G~12G/12G~16G, regarding which iova range VDEC actually locate, it depends on the dma-ranges property of vdec dtsi node. Signed-off-by: Yunfei Dong --- v8: add return value for dma_set_mask_and_coherent --- drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drive= rs/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index ad8d15e07e58..7154dcea795b 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -363,6 +363,14 @@ 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]); spin_lock_init(&dev->irqlock); --=20 2.25.1