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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8CC01C433F5 for ; Fri, 17 Dec 2021 22:28:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CC66010E6CE; Fri, 17 Dec 2021 22:28:24 +0000 (UTC) Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2080.outbound.protection.outlook.com [40.107.93.80]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7BC8E10E5E5; Fri, 17 Dec 2021 22:28:17 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bG6EG0QLJk8uuJJuEcXiTFUUZ/CgKeWCGRa50qyZWdTuHvIWS19YBiMmcU2w/rY4u35qg+0ZItbENXKxz1+6y1Edq3amZT4K3BSEkcfPLdDK/ZQj5utMtAh4ZuB8ie7gD4c37DGfyivAFCzJVyWIfmsn79S5kyRXXjRWZnsvXJgdPhqbFUSV1SQBo3HfcuqI9lZ05MrFDrbfXeZKs8aEfzSF2s2vhoA4nFkmAg2KJkMQ/AVLLRsBVrcTcz7nr1llA6X/y0ZT1YVE0S5e4WiUVmgPXvso3TnZig3yG/lvSKykToGlTG/9gLm92LAq7OnlbDKyNElgPt9NBW8+QZie0g== 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=CDVya4Pi/qTI2Ews7LWPaxgX8eqLLIQ1cz9/VdY2Qy4=; b=oNdiDkGDRBOT3NSXhgtKljhyESeQcVjwiqDmrUyZ8WSx6vTaNNT7udxK9MGf6xnL61gaGOtCqvjtcVOeaJOYK8XzCvNrz8Vk2LdIsEOH36BC71khmeaEZT//G3ivE9QokkrXGyiua/0hw1M5QaA4wRr13jCpDG4k+E8CqOI8n3oStZ4fFhQ8RhG6kgsl+VdQgg/QX9pCfddbHrkksYNXk30eVOwVytlIpT9emGX9NcuG7EqGbd8DCTvACPp7BCGUFby7c3XIiKloR7DZ4BWCZ+h3rYFlKaIr6Exky3G8m3eyukSdXDV7YLOvJ2p5/71S+TLYVUwO0hjUZmdxYJQ3tQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.freedesktop.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=CDVya4Pi/qTI2Ews7LWPaxgX8eqLLIQ1cz9/VdY2Qy4=; b=hzA7F14IkLJSd+8PTF2TVKyth9u69bFv+pLl04mVulL5PT2Avn0z7Kz3F4BJxiITPO2P9JeAXEQ7ZnWigXC2qs/aAeHZNymlfMFAXwwfm+7kGh97V1PfuuISsGxxm3wkP2ACyDBSPEPdBTjcqBNZVgPmbDPvX/CRGypi+5tivuE= Received: from BN9PR03CA0066.namprd03.prod.outlook.com (2603:10b6:408:fc::11) by MWHPR12MB1278.namprd12.prod.outlook.com (2603:10b6:300:10::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4778.17; Fri, 17 Dec 2021 22:28:15 +0000 Received: from BN8NAM11FT037.eop-nam11.prod.protection.outlook.com (2603:10b6:408:fc:cafe::2e) by BN9PR03CA0066.outlook.office365.com (2603:10b6:408:fc::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4801.15 via Frontend Transport; Fri, 17 Dec 2021 22:28:15 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; Received: from SATLEXMB03.amd.com (165.204.84.17) by BN8NAM11FT037.mail.protection.outlook.com (10.13.177.182) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4801.14 via Frontend Transport; Fri, 17 Dec 2021 22:28:14 +0000 Received: from agrodzovsky-All-Series.amd.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Fri, 17 Dec 2021 16:28:14 -0600 From: Andrey Grodzovsky To: , Subject: [RFC 5/6] drm/amdgpu: Drop hive->in_reset Date: Fri, 17 Dec 2021 17:27:44 -0500 Message-ID: <20211217222745.881637-6-andrey.grodzovsky@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211217222745.881637-1-andrey.grodzovsky@amd.com> References: <20211217222745.881637-1-andrey.grodzovsky@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB03.amd.com (10.181.40.144) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: aa8e4a8d-9fb0-4477-d706-08d9c1ac846c X-MS-TrafficTypeDiagnostic: MWHPR12MB1278:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:923; 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:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(4636009)(36840700001)(46966006)(40470700001)(2906002)(8676002)(54906003)(2616005)(110136005)(44832011)(1076003)(316002)(336012)(36860700001)(8936002)(83380400001)(47076005)(40460700001)(5660300002)(6666004)(426003)(36756003)(81166007)(7696005)(508600001)(70206006)(356005)(86362001)(70586007)(26005)(4326008)(82310400004)(16526019)(186003)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Dec 2021 22:28:14.9268 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: aa8e4a8d-9fb0-4477-d706-08d9c1ac846c 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT037.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR12MB1278 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Monk.Liu@amd.com, horace.chen@amd.com, christian.koenig@amd.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Since we serialize all resets no need to protect from concurrent resets. Signed-off-by: Andrey Grodzovsky --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 19 +------------------ drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 1 - drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h | 1 - 3 files changed, 1 insertion(+), 20 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 55cd67b9ede2..d2701e4d0622 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5013,25 +5013,9 @@ int amdgpu_device_gpu_recover_imp(struct amdgpu_device *adev, dev_info(adev->dev, "GPU %s begin!\n", need_emergency_restart ? "jobs stop":"reset"); - /* - * Here we trylock to avoid chain of resets executing from - * either trigger by jobs on different adevs in XGMI hive or jobs on - * different schedulers for same device while this TO handler is running. - * We always reset all schedulers for device and all devices for XGMI - * hive so that should take care of them too. - */ hive = amdgpu_get_xgmi_hive(adev); - if (hive) { - if (atomic_cmpxchg(&hive->in_reset, 0, 1) != 0) { - DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress", - job ? job->base.id : -1, hive->hive_id); - amdgpu_put_xgmi_hive(hive); - if (job && job->vm) - drm_sched_increase_karma(&job->base); - return 0; - } + if (hive) mutex_lock(&hive->hive_lock); - } reset_context.method = AMD_RESET_METHOD_NONE; reset_context.reset_req_dev = adev; @@ -5226,7 +5210,6 @@ int amdgpu_device_gpu_recover_imp(struct amdgpu_device *adev, skip_recovery: if (hive) { - atomic_set(&hive->in_reset, 0); mutex_unlock(&hive->hive_lock); amdgpu_put_xgmi_hive(hive); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 8b116f398101..0d54bef5c494 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -403,7 +403,6 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev) INIT_LIST_HEAD(&hive->device_list); INIT_LIST_HEAD(&hive->node); mutex_init(&hive->hive_lock); - atomic_set(&hive->in_reset, 0); atomic_set(&hive->number_devices, 0); task_barrier_init(&hive->tb); hive->pstate = AMDGPU_XGMI_PSTATE_UNKNOWN; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h index 6121aaa292cb..2f2ce53645a5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h @@ -33,7 +33,6 @@ struct amdgpu_hive_info { struct list_head node; atomic_t number_devices; struct mutex hive_lock; - atomic_t in_reset; int hi_req_count; struct amdgpu_device *hi_req_gpu; struct task_barrier tb; -- 2.25.1 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B0AC6C43219 for ; Fri, 17 Dec 2021 22:28:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ABBB110E634; Fri, 17 Dec 2021 22:28:19 +0000 (UTC) Received: from NAM10-DM6-obe.outbound.protection.outlook.com (mail-dm6nam10on2080.outbound.protection.outlook.com [40.107.93.80]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7BC8E10E5E5; Fri, 17 Dec 2021 22:28:17 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bG6EG0QLJk8uuJJuEcXiTFUUZ/CgKeWCGRa50qyZWdTuHvIWS19YBiMmcU2w/rY4u35qg+0ZItbENXKxz1+6y1Edq3amZT4K3BSEkcfPLdDK/ZQj5utMtAh4ZuB8ie7gD4c37DGfyivAFCzJVyWIfmsn79S5kyRXXjRWZnsvXJgdPhqbFUSV1SQBo3HfcuqI9lZ05MrFDrbfXeZKs8aEfzSF2s2vhoA4nFkmAg2KJkMQ/AVLLRsBVrcTcz7nr1llA6X/y0ZT1YVE0S5e4WiUVmgPXvso3TnZig3yG/lvSKykToGlTG/9gLm92LAq7OnlbDKyNElgPt9NBW8+QZie0g== 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=CDVya4Pi/qTI2Ews7LWPaxgX8eqLLIQ1cz9/VdY2Qy4=; b=oNdiDkGDRBOT3NSXhgtKljhyESeQcVjwiqDmrUyZ8WSx6vTaNNT7udxK9MGf6xnL61gaGOtCqvjtcVOeaJOYK8XzCvNrz8Vk2LdIsEOH36BC71khmeaEZT//G3ivE9QokkrXGyiua/0hw1M5QaA4wRr13jCpDG4k+E8CqOI8n3oStZ4fFhQ8RhG6kgsl+VdQgg/QX9pCfddbHrkksYNXk30eVOwVytlIpT9emGX9NcuG7EqGbd8DCTvACPp7BCGUFby7c3XIiKloR7DZ4BWCZ+h3rYFlKaIr6Exky3G8m3eyukSdXDV7YLOvJ2p5/71S+TLYVUwO0hjUZmdxYJQ3tQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=lists.freedesktop.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=CDVya4Pi/qTI2Ews7LWPaxgX8eqLLIQ1cz9/VdY2Qy4=; b=hzA7F14IkLJSd+8PTF2TVKyth9u69bFv+pLl04mVulL5PT2Avn0z7Kz3F4BJxiITPO2P9JeAXEQ7ZnWigXC2qs/aAeHZNymlfMFAXwwfm+7kGh97V1PfuuISsGxxm3wkP2ACyDBSPEPdBTjcqBNZVgPmbDPvX/CRGypi+5tivuE= Received: from BN9PR03CA0066.namprd03.prod.outlook.com (2603:10b6:408:fc::11) by MWHPR12MB1278.namprd12.prod.outlook.com (2603:10b6:300:10::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4778.17; Fri, 17 Dec 2021 22:28:15 +0000 Received: from BN8NAM11FT037.eop-nam11.prod.protection.outlook.com (2603:10b6:408:fc:cafe::2e) by BN9PR03CA0066.outlook.office365.com (2603:10b6:408:fc::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4801.15 via Frontend Transport; Fri, 17 Dec 2021 22:28:15 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; Received: from SATLEXMB03.amd.com (165.204.84.17) by BN8NAM11FT037.mail.protection.outlook.com (10.13.177.182) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4801.14 via Frontend Transport; Fri, 17 Dec 2021 22:28:14 +0000 Received: from agrodzovsky-All-Series.amd.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Fri, 17 Dec 2021 16:28:14 -0600 From: Andrey Grodzovsky To: , Subject: [RFC 5/6] drm/amdgpu: Drop hive->in_reset Date: Fri, 17 Dec 2021 17:27:44 -0500 Message-ID: <20211217222745.881637-6-andrey.grodzovsky@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211217222745.881637-1-andrey.grodzovsky@amd.com> References: <20211217222745.881637-1-andrey.grodzovsky@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB03.amd.com (10.181.40.144) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: aa8e4a8d-9fb0-4477-d706-08d9c1ac846c X-MS-TrafficTypeDiagnostic: MWHPR12MB1278:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:923; 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:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(4636009)(36840700001)(46966006)(40470700001)(2906002)(8676002)(54906003)(2616005)(110136005)(44832011)(1076003)(316002)(336012)(36860700001)(8936002)(83380400001)(47076005)(40460700001)(5660300002)(6666004)(426003)(36756003)(81166007)(7696005)(508600001)(70206006)(356005)(86362001)(70586007)(26005)(4326008)(82310400004)(16526019)(186003)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Dec 2021 22:28:14.9268 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: aa8e4a8d-9fb0-4477-d706-08d9c1ac846c 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT037.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR12MB1278 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: Monk.Liu@amd.com, Andrey Grodzovsky , horace.chen@amd.com, christian.koenig@amd.com, daniel@ffwll.ch Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Since we serialize all resets no need to protect from concurrent resets. Signed-off-by: Andrey Grodzovsky --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 19 +------------------ drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 1 - drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h | 1 - 3 files changed, 1 insertion(+), 20 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 55cd67b9ede2..d2701e4d0622 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5013,25 +5013,9 @@ int amdgpu_device_gpu_recover_imp(struct amdgpu_device *adev, dev_info(adev->dev, "GPU %s begin!\n", need_emergency_restart ? "jobs stop":"reset"); - /* - * Here we trylock to avoid chain of resets executing from - * either trigger by jobs on different adevs in XGMI hive or jobs on - * different schedulers for same device while this TO handler is running. - * We always reset all schedulers for device and all devices for XGMI - * hive so that should take care of them too. - */ hive = amdgpu_get_xgmi_hive(adev); - if (hive) { - if (atomic_cmpxchg(&hive->in_reset, 0, 1) != 0) { - DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress", - job ? job->base.id : -1, hive->hive_id); - amdgpu_put_xgmi_hive(hive); - if (job && job->vm) - drm_sched_increase_karma(&job->base); - return 0; - } + if (hive) mutex_lock(&hive->hive_lock); - } reset_context.method = AMD_RESET_METHOD_NONE; reset_context.reset_req_dev = adev; @@ -5226,7 +5210,6 @@ int amdgpu_device_gpu_recover_imp(struct amdgpu_device *adev, skip_recovery: if (hive) { - atomic_set(&hive->in_reset, 0); mutex_unlock(&hive->hive_lock); amdgpu_put_xgmi_hive(hive); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 8b116f398101..0d54bef5c494 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -403,7 +403,6 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev) INIT_LIST_HEAD(&hive->device_list); INIT_LIST_HEAD(&hive->node); mutex_init(&hive->hive_lock); - atomic_set(&hive->in_reset, 0); atomic_set(&hive->number_devices, 0); task_barrier_init(&hive->tb); hive->pstate = AMDGPU_XGMI_PSTATE_UNKNOWN; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h index 6121aaa292cb..2f2ce53645a5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h @@ -33,7 +33,6 @@ struct amdgpu_hive_info { struct list_head node; atomic_t number_devices; struct mutex hive_lock; - atomic_t in_reset; int hi_req_count; struct amdgpu_device *hi_req_gpu; struct task_barrier tb; -- 2.25.1