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 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=ham 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 81543C433ED for ; Sat, 10 Apr 2021 09:18:07 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 40FA160190 for ; Sat, 10 Apr 2021 09:18:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 40FA160190 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 1004640436; Sat, 10 Apr 2021 09:18:07 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KdU27gkkP7OU; Sat, 10 Apr 2021 09:18:06 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp4.osuosl.org (Postfix) with ESMTP id A66474033B; Sat, 10 Apr 2021 09:18:05 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 8E999C000B; Sat, 10 Apr 2021 09:18:05 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id E4752C000A for ; Sat, 10 Apr 2021 09:18:04 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id CE26C4012D for ; Sat, 10 Apr 2021 09:18:04 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 05WSHrVLPaHW for ; Sat, 10 Apr 2021 09:18:04 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from mailgw01.mediatek.com (unknown [210.61.82.183]) by smtp2.osuosl.org (Postfix) with ESMTP id DA59540202 for ; Sat, 10 Apr 2021 09:18:03 +0000 (UTC) X-UUID: e9a457a8a2c541c7ade7cfe982a38b2d-20210410 X-UUID: e9a457a8a2c541c7ade7cfe982a38b2d-20210410 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 547846456; Sat, 10 Apr 2021 17:13:00 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 10 Apr 2021 17:12:59 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 10 Apr 2021 17:12:58 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring , Krzysztof Kozlowski Subject: [PATCH v5 07/16] media: mtk-mdp: Use pm_runtime_resume_and_get for PM get_sync Date: Sat, 10 Apr 2021 17:11:19 +0800 Message-ID: <20210410091128.31823-8-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210410091128.31823-1-yong.wu@mediatek.com> References: <20210410091128.31823-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, yi.kuo@mediatek.com, Nicolas Boichat , acourbot@chromium.org, srv_heupstream@mediatek.com, eizan@chromium.org, Will Deacon , linux-kernel@vger.kernel.org, Evan Green , chao.hao@mediatek.com, iommu@lists.linux-foundation.org, Matthias Kaehlcke , linux-mediatek@lists.infradead.org, ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Robin Murphy , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" pm_runtime_get_sync will increment pm usage counter even it failed. This patch use pm_runtime_resume_and_get instead of pm_runtime_get to keep usage counter balanced. Signed-off-by: Yong Wu --- drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c index ace4528cdc5e..93c9df15084a 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c @@ -391,9 +391,9 @@ static int mtk_mdp_m2m_start_streaming(struct vb2_queue *q, unsigned int count) struct mtk_mdp_ctx *ctx = q->drv_priv; int ret; - ret = pm_runtime_get_sync(&ctx->mdp_dev->pdev->dev); + ret = pm_runtime_resume_and_get(&ctx->mdp_dev->pdev->dev); if (ret < 0) - mtk_mdp_dbg(1, "[%d] pm_runtime_get_sync failed:%d", + mtk_mdp_dbg(1, "[%d] pm_runtime_resume_and_get failed:%d", ctx->id, ret); return 0; -- 2.18.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu