From patchwork Thu Aug 11 05:27:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mohan Kumar D X-Patchwork-Id: 597044 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B3D05C19F2D for ; Thu, 11 Aug 2022 05:28:33 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 0CD201FA; Thu, 11 Aug 2022 07:27:41 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 0CD201FA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1660195711; bh=yQfXPkBPyql0UBy+H8UPGlMEBIeiKxKSS7uHeFIIHvE=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=lxEYxN8X/vrz0XplYZegP+nsIPj2B831jmdwcqvhZkLbtsJ/KB44hCUj71NMQU03l ymDep096Xd0AmH1GTzHymJc/+xpQ0mi3X9wgPTlBsRZ5ti8NZCTqTNbQApRd0+zFTW 6iSX07tdnKLYCv8ZjKU3C2rEccSr/AMmpL/3wTkk= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 53622F8023B; Thu, 11 Aug 2022 07:27:40 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 27760F80246; Thu, 11 Aug 2022 07:27:38 +0200 (CEST) Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2056.outbound.protection.outlook.com [40.107.94.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 21942F8012A for ; Thu, 11 Aug 2022 07:27:27 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 21942F8012A Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="OQrR5sw8" ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=nZUVRBCmm67jnpMCnB2G7jGd3SRshgCBb/AeFKIIRYT1JRtiQ7S52dX7sD2lc/7Y/7+HwNwHBKh92rc14CNxQ5DsJUhGDSMYZAbA5GUXps3m43PDzFU+0v7dBcK893CX1Ep5aMmlMqb7/qWr4xgq10jqDIAjZapAjo4B/gSQ4v/OPFSxCYginID0eCXilTNkQGCLuHPNrnuAdIxL6ay+DoeVEPKb9ZloJ9gQz5nc/b1RKWdbodX6FnC1qY3Tvtsh4ap9GA4zM7CX7nUp0u8IiMuE8lJ8HL29l7cIvM0Wm+vlHU0Ch9oyoksMB6T3yZC5mSrxslozd4eQhi0td35veA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=G+vqrM9ZA0w7w4UfrJsSezdCWU8XWx80q4ncgkC4Z9M=; b=XFXR0pnHYJ5n1F2Mo1/UdC0FNIpSgEAXSkILdpDupLBOrhQf0cpWULrrRO9+ed6bAOX0dWHScGLHpyvnQYDRSOIDBv65hKdXiiESbVF4JT/L1+Oj8Eu5RV8jibO/velbcPkGt9obArxA8yCBG9cwI1RDX8dWt2PX5de+85jidylNwcOMATuWId41FqyrZrHwaYRGyw3lfXuBdS/pn0uhdyEE10GyBYXrarug5JGqfhNknQB4LKDPGxPU5odVbrAZwyDQxI5cSz6ZZozI1zTnj1Iu6EWHPzaVxpzYx40OGgFmopvPQXbqkJRzOuGwrsO6TcC7xfWBP3LDeHdFL/wcWw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 12.22.5.235) smtp.rcpttodomain=alsa-project.org smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=G+vqrM9ZA0w7w4UfrJsSezdCWU8XWx80q4ncgkC4Z9M=; b=OQrR5sw8DuQFQHHnzx6Ym4zcQ68iGe2724BouhgY3qxA6Dftnx29LnkbNkHBeXANjdQ5p3IRqwY9nmxoPPQVb0ZfHLImavfKbYYKnhk8j+qYJSFMqMBRoqLLB/Bqz2xtN8GLtzKIMCPMQ428+DphQnwxckPyY6LFCcRzPWlK83aji2rjJhBh3qaKSUCNl4B6FjUYZwbgIz//Zkyi8sPPwEi+oKJIlQIcr5yoklA3NSi6RYolCzXXKIECJI5x/fdFglfRpvdbmsjP5l8z/xaea5IJT0EA//ECsxwbDuzT+WGE9wtvIjdnYb7ztxKSbio0qctbDsFo7B8xCKoEt187tA== Received: from MW4PR04CA0358.namprd04.prod.outlook.com (2603:10b6:303:8a::33) by DM5PR12MB1708.namprd12.prod.outlook.com (2603:10b6:3:10e::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5504.15; Thu, 11 Aug 2022 05:27:22 +0000 Received: from CO1NAM11FT044.eop-nam11.prod.protection.outlook.com (2603:10b6:303:8a:cafe::bd) by MW4PR04CA0358.outlook.office365.com (2603:10b6:303:8a::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5504.17 via Frontend Transport; Thu, 11 Aug 2022 05:27:22 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 12.22.5.235) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 12.22.5.235 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.235; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (12.22.5.235) by CO1NAM11FT044.mail.protection.outlook.com (10.13.175.188) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5525.11 via Frontend Transport; Thu, 11 Aug 2022 05:27:21 +0000 Received: from rnnvmail204.nvidia.com (10.129.68.6) by DRHQMAIL107.nvidia.com (10.27.9.16) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Thu, 11 Aug 2022 05:27:20 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by rnnvmail204.nvidia.com (10.129.68.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.26; Wed, 10 Aug 2022 22:27:19 -0700 Received: from mkumard.nvidia.com (10.127.8.13) by mail.nvidia.com (10.129.68.8) with Microsoft SMTP Server id 15.2.986.26 via Frontend Transport; Wed, 10 Aug 2022 22:27:17 -0700 From: Mohan Kumar To: , , Subject: [PATCH] ALSA: hda: Fix crash due to jack poll in suspend Date: Thu, 11 Aug 2022 10:57:04 +0530 Message-ID: <20220811052704.2944-1-mkumard@nvidia.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a2d7ace1-afb5-4400-3754-08da7b5a2a38 X-MS-TrafficTypeDiagnostic: DM5PR12MB1708:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.235; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:InfoNoRecords; CAT:NONE; SFS:(13230016)(4636009)(396003)(376002)(136003)(39860400002)(346002)(40470700004)(46966006)(36840700001)(83380400001)(70206006)(316002)(2906002)(4326008)(8676002)(478600001)(110136005)(40480700001)(36756003)(40460700003)(15650500001)(5660300002)(8936002)(70586007)(36860700001)(7696005)(356005)(54906003)(41300700001)(26005)(186003)(336012)(6666004)(81166007)(2616005)(82310400005)(426003)(107886003)(86362001)(82740400003)(1076003)(47076005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Aug 2022 05:27:21.0853 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a2d7ace1-afb5-4400-3754-08da7b5a2a38 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.235]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT044.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1708 Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, jonathanh@nvidia.com, linux-tegra@vger.kernel.org, treding@nvidia.com, Mohan Kumar X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" With jackpoll_in_suspend flag set, there is a possibility that jack poll worker thread will run even after system suspend was completed. Any register access after system pm callback flow will result in kernel crash as still jack poll worker thread tries to access registers. To fix the crash issue during system flow, cancel the jack poll worker thread during system pm prepare callback and cancel the worker thread at start of runtime suspend callback and re-schedule at last to avoid any unwarranted access of register by worker thread during suspend flow. Signed-off-by: Mohan Kumar --- sound/pci/hda/hda_codec.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 7b2e62fa82d5..384426d7e9dd 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2940,8 +2940,7 @@ static int hda_codec_runtime_suspend(struct device *dev) if (!codec->card) return 0; - if (!codec->bus->jackpoll_in_suspend) - cancel_delayed_work_sync(&codec->jackpoll_work); + cancel_delayed_work_sync(&codec->jackpoll_work); state = hda_call_codec_suspend(codec); if (codec->link_down_at_suspend || @@ -2949,6 +2948,11 @@ static int hda_codec_runtime_suspend(struct device *dev) (state & AC_PWRST_CLK_STOP_OK))) snd_hdac_codec_link_down(&codec->core); snd_hda_codec_display_power(codec, false); + + if (codec->bus->jackpoll_in_suspend && + (dev->power.power_state.event != PM_EVENT_SUSPEND)) + schedule_delayed_work(&codec->jackpoll_work, + codec->jackpoll_interval); return 0; } @@ -2972,6 +2976,9 @@ static int hda_codec_runtime_resume(struct device *dev) #ifdef CONFIG_PM_SLEEP static int hda_codec_pm_prepare(struct device *dev) { + struct hda_codec *codec = dev_to_hda_codec(dev); + + cancel_delayed_work_sync(&codec->jackpoll_work); dev->power.power_state = PMSG_SUSPEND; return pm_runtime_suspended(dev); } @@ -2991,9 +2998,6 @@ static void hda_codec_pm_complete(struct device *dev) static int hda_codec_pm_suspend(struct device *dev) { - struct hda_codec *codec = dev_to_hda_codec(dev); - - cancel_delayed_work_sync(&codec->jackpoll_work); dev->power.power_state = PMSG_SUSPEND; return pm_runtime_force_suspend(dev); }