From patchwork Wed Jul 7 06:21:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 471023 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 82603C11F6F for ; Wed, 7 Jul 2021 06:22:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E3B161CB6 for ; Wed, 7 Jul 2021 06:22:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230478AbhGGGZV (ORCPT ); Wed, 7 Jul 2021 02:25:21 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:50300 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S230376AbhGGGZP (ORCPT ); Wed, 7 Jul 2021 02:25:15 -0400 X-UUID: a27007085a8d4a829fef872264ea8a84-20210707 X-UUID: a27007085a8d4a829fef872264ea8a84-20210707 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 753883690; Wed, 07 Jul 2021 14:22:32 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 7 Jul 2021 14:22:30 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 7 Jul 2021 14:22:29 +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 , Irui Wang , , , , , , , Subject: [PATCH v1, 11/14] media: mtk-vcodec: Support 34bits dma address for vdec Date: Wed, 7 Jul 2021 14:21:54 +0800 Message-ID: <20210707062157.21176-12-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210707062157.21176-1-yunfei.dong@mediatek.com> References: <20210707062157.21176-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@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 1bcb070ef947..c29154c30dcc 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -432,6 +432,9 @@ static int mtk_vcodec_probe(struct platform_device *pdev) dev->num_core = 0; } + 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]); mutex_init(&dev->dev_mutex);