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=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 AB697C433E0 for ; Sun, 21 Jun 2020 06:06:09 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 8019522363 for ; Sun, 21 Jun 2020 06:06:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=amdcloud.onmicrosoft.com header.i=@amdcloud.onmicrosoft.com header.b="oL1zLciT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8019522363 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amd.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=amd-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 37E0A6E456; Sun, 21 Jun 2020 06:05:55 +0000 (UTC) Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on2058.outbound.protection.outlook.com [40.107.244.58]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8D6B46E46E; Sun, 21 Jun 2020 06:05:53 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=OZsUz83fI0CVhDsJSk4vQkWD1Ylli6UmX163x7arJ16a2x8U0ocfsMhJkM5mryjZIGM63dzHlN9QMWyVdWhvb1hvWShIyeQKl+k/nMzs5fBDesrhaI79ohvWnCQV8T8W7ws6bbcbSgy24w05dIKFBhZuyf/oQ4UH2iLZ35ZUtLbi+3Td5GEOwP7biyn2VA4AmZe/UbL5qg8/iRgnPeylVBpy0lCZsVI1+l4obEL53hEFoG1wrc4BVkEotPJRO/FpF7707FSwpVXDI1AjQBKdqpyprssQjZXi5F5REZvZP0Ijkbn6SRj6urpNPJK966pDfIUcmt6PnDYSl2yYeogXgA== 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-SenderADCheck; bh=mWbJvVp7IuCrsCYEhlhEzkyhqVj4OaLruQXzNsKht7k=; b=aEagy46gHbt4F4+2nSqE36S5XkoXVl8TdCbhpIaSDEorBTqa1WekVPx/4eOb2pjAyAhJ66dTaeJhbUD7VrC2/qPg8atDSi21WzuovpKd+xO20MXzMQ4n3CSKk/P6BuAVGZtJmb2JOvqsFTtsdFHhiZ7a3Bt3QUG7h6oB/AkylIf/7lTmDA+aPWjWN6a08LcMpY8FOfubeGxdlEFQJpDAt2lbmguTGR7+ZOMvL9gqLQPReVcrVKbwqEfjtRDRlAwdQj051hnhnblCiBAJVn2ndGaXZSCnCm2yPVUGVhbN7P9pDBhBCOK5m0D/cpBby7qM/rE8iwIj48W/sOad224FrQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.freedesktop.org smtp.mailfrom=amd.com; dmarc=permerror action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector2-amdcloud-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=mWbJvVp7IuCrsCYEhlhEzkyhqVj4OaLruQXzNsKht7k=; b=oL1zLciTVEJ3GJ8m4X1OsZPn0W/oRgOfSUmrqZZDWshBiMQS697Ax0gtKph0lo6B2oyxfCC6WPmXpx18UM0yUb4Nyh4Xw3dsu9dMHPkFGiAzJJP8Uehmr8NZMH+IwFjUlGMHIHXLNSVdUMJaj83A0phL14vRW9Z2St1K8M4zVm8= Received: from DM5PR12CA0011.namprd12.prod.outlook.com (2603:10b6:4:1::21) by BY5PR12MB3777.namprd12.prod.outlook.com (2603:10b6:a03:1a9::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3109.21; Sun, 21 Jun 2020 06:05:48 +0000 Received: from DM6NAM11FT052.eop-nam11.prod.protection.outlook.com (2603:10b6:4:1:cafe::57) by DM5PR12CA0011.outlook.office365.com (2603:10b6:4:1::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3109.22 via Frontend Transport; Sun, 21 Jun 2020 06:05:47 +0000 X-MS-Exchange-Authentication-Results: spf=none (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; lists.freedesktop.org; dkim=none (message not signed) header.d=none;lists.freedesktop.org; dmarc=permerror action=none header.from=amd.com; Received-SPF: None (protection.outlook.com: amd.com does not designate permitted sender hosts) Received: from SATLEXMB01.amd.com (165.204.84.17) by DM6NAM11FT052.mail.protection.outlook.com (10.13.172.111) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.3109.22 via Frontend Transport; Sun, 21 Jun 2020 06:05:47 +0000 Received: from SATLEXMB01.amd.com (10.181.40.142) by SATLEXMB01.amd.com (10.181.40.142) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Sun, 21 Jun 2020 01:05:46 -0500 Received: from agrodzovsky-All-Series.amd.com (10.180.168.240) by SATLEXMB01.amd.com (10.181.40.142) with Microsoft SMTP Server id 15.1.1713.5 via Frontend Transport; Sun, 21 Jun 2020 01:05:45 -0500 From: Andrey Grodzovsky To: , Subject: [PATCH v2 7/8] drm/amdgpu: Fix sdma code crash post device unplug Date: Sun, 21 Jun 2020 02:03:07 -0400 Message-ID: <1592719388-13819-8-git-send-email-andrey.grodzovsky@amd.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1592719388-13819-1-git-send-email-andrey.grodzovsky@amd.com> References: <1592719388-13819-1-git-send-email-andrey.grodzovsky@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SATLEXMB01.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFTY:; SFS:(4636009)(346002)(39860400002)(376002)(136003)(396003)(46966005)(70586007)(70206006)(478600001)(7696005)(86362001)(186003)(26005)(8936002)(5660300002)(36756003)(8676002)(6666004)(2616005)(4326008)(426003)(336012)(44832011)(54906003)(2906002)(82310400002)(82740400003)(83380400001)(47076004)(110136005)(81166007)(316002)(356005); DIR:OUT; SFP:1101; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d8c810c6-0c97-4b4d-9ae7-08d815a9247a X-MS-TrafficTypeDiagnostic: BY5PR12MB3777: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:165; X-Forefront-PRVS: 04410E544A X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: djjX+oz3HObDeEOdsO24Mm2eiaTIIMbkFjlRslYbAz9B/aew5EC78CcIhx6woQUCFYxVjVih1ylJLKADetQdxarqV3UDac3nn0GfTrRuRrKWSXUvJuVjRTcC1LUORUNPp8O0Ua0kJ5zu1afak5i9jemXE+pnFJ4EYerofIOdhp98hMdQvMZlVx6YrUFkHWOa+9AZDQtM5e2ICFz7M9ykdsXBLb7M/J6hS+fZJ41C92Ugt86J1yYtXDwMIpQ2VVTcW3++uEy/X/fzDWIUG1JHINUWQ+HIXGwewRRJha0K0rrQDuXY7aqK33+ycckpeVTgVERbrDejiV5sIoHtldXqrpZkf1U/89X+aE990Wq2A00kuevINzcFCnOyhtF4HqwyaDHwdgYK12RyToyxQvmqtA== X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jun 2020 06:05:47.7756 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d8c810c6-0c97-4b4d-9ae7-08d815a9247a X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB01.amd.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB3777 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrey Grodzovsky , daniel.vetter@ffwll.ch, michel@daenzer.net, ppaalanen@gmail.com, ckoenig.leichtzumerken@gmail.com, alexdeucher@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" entity->rq becomes null aftre device unplugged so just return early in that case. Signed-off-by: Andrey Grodzovsky --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c index 8d9c6fe..d252427 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c @@ -24,6 +24,7 @@ #include "amdgpu_job.h" #include "amdgpu_object.h" #include "amdgpu_trace.h" +#include #define AMDGPU_VM_SDMA_MIN_NUM_DW 256u #define AMDGPU_VM_SDMA_MAX_NUM_DW (16u * 1024u) @@ -94,7 +95,12 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p, struct drm_sched_entity *entity; struct amdgpu_ring *ring; struct dma_fence *f; - int r; + int r, idx; + + if (!drm_dev_enter(p->adev->ddev, &idx)) { + r = -ENODEV; + goto nodev; + } entity = p->immediate ? &p->vm->immediate : &p->vm->delayed; ring = container_of(entity->rq->sched, struct amdgpu_ring, sched); @@ -104,7 +110,7 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p, WARN_ON(ib->length_dw > p->num_dw_left); r = amdgpu_job_submit(p->job, entity, AMDGPU_FENCE_OWNER_VM, &f); if (r) - goto error; + goto job_fail; if (p->unlocked) { struct dma_fence *tmp = dma_fence_get(f); @@ -118,10 +124,15 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p, if (fence && !p->immediate) swap(*fence, f); dma_fence_put(f); - return 0; -error: - amdgpu_job_free(p->job); + r = 0; + +job_fail: + drm_dev_exit(idx); +nodev: + if (r) + amdgpu_job_free(p->job); + return r; } -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx