From mboxrd@z Thu Jan 1 00:00:00 1970 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 4FC59C433FE for ; Mon, 11 Oct 2021 07:04:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3D85E60F43 for ; Mon, 11 Oct 2021 07:04:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234619AbhJKHF7 (ORCPT ); Mon, 11 Oct 2021 03:05:59 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:54378 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S234506AbhJKHFG (ORCPT ); Mon, 11 Oct 2021 03:05:06 -0400 X-UUID: 30bdeb942e8846769e809cc4c0e49d60-20211011 X-UUID: 30bdeb942e8846769e809cc4c0e49d60-20211011 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 246710301; Mon, 11 Oct 2021 15:03:05 +0800 Received: from mtkexhb01.mediatek.inc (172.21.101.102) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 11 Oct 2021 15:03:04 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 11 Oct 2021 15:03:03 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 11 Oct 2021 15:03:02 +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 v7, 12/15] media: mtk-vcodec: Support 34bits dma address for vdec Date: Mon, 11 Oct 2021 15:02:44 +0800 Message-ID: <20211011070247.792-13-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211011070247.792-1-yunfei.dong@mediatek.com> References: <20211011070247.792-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index de83e3b821b4..da963cdac96b 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -376,6 +376,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev) } } + if (of_get_property(pdev->dev.of_node, "dma-ranges", NULL)) + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(34)); + for (i = 0; i < MTK_VDEC_HW_MAX; i++) mutex_init(&dev->dec_mutex[i]); spin_lock_init(&dev->irqlock); -- 2.25.1