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Tue, 22 Sep 2026 09:34:14 +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=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by BN7PEPF00000094.mail.protection.outlook.com (10.167.245.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.451.8 via Frontend Transport; Tue, 22 Sep 2026 09:34:14 +0000 Received: from ubuntu.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49; Tue, 22 Sep 2026 04:34:10 -0500 From: Zhu Lingshan To: , CC: , , Zhu Lingshan Subject: [RFC 02/10] drm/amdgpu: add device-wide PMC config Date: Tue, 22 Sep 2026 17:34:28 +0800 Message-ID: <20260922093436.596947-3-lingshan.zhu@amd.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260922093436.596947-1-lingshan.zhu@amd.com> References: <20260922093436.596947-1-lingshan.zhu@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN7PEPF00000094:EE_|BL1PR12MB5922:EE_ X-MS-Office365-Filtering-Correlation-Id: 9d7a9439-50ff-43f3-d155-08df188caa90 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN7PEPF00000094.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5922 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: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" This commit implements a device-wide PMC config for amdgpu, which including the profiling owner, and the profiling enablement indicator. Signed-off-by: Zhu Lingshan --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 8 ++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++ 2 files changed, 11 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 8eff6b9ebe81..45897dca802f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -620,6 +620,12 @@ enum amdgpu_enforce_isolation_mode { AMDGPU_ENFORCE_ISOLATION_NO_CLEANER_SHADER = 3, }; +struct amdgpu_pmc_profiler { + struct mutex lock; + struct drm_file *owner; + bool enable; +}; + struct amdgpu_device { struct device *dev; struct pci_dev *pdev; @@ -818,6 +824,8 @@ struct amdgpu_device { */ struct xarray userq_doorbell_xa; + struct amdgpu_pmc_profiler pmc_profiler; + /* df */ struct amdgpu_df df; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index c924a55fd16f..74ed42e53264 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3673,6 +3673,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, mutex_init(&adev->pm.stable_pstate_ctx_lock); mutex_init(&adev->benchmark_mutex); mutex_init(&adev->gfx.reset_sem_mutex); + mutex_init(&adev->pmc_profiler.lock); /* Associate locks with lockdep classes for ordering validation */ amdgpu_lockdep_set_class(adev); @@ -4244,6 +4245,8 @@ void amdgpu_device_fini_sw(struct amdgpu_device *adev) kfree(adev->pci_state); kfree(adev->pcie_reset_ctx.swds_pcistate); kfree(adev->pcie_reset_ctx.swus_pcistate); + + mutex_destroy(&adev->pmc_profiler.lock); } /** -- 2.55.0