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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=SATLEXMB04.amd.com; Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT044.mail.protection.outlook.com (10.13.173.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4713.20 via Frontend Transport; Tue, 23 Nov 2021 16:04:09 +0000 Received: from Philip-Dev.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Tue, 23 Nov 2021 10:04:06 -0600 From: Philip Yang To: Subject: [PATCH 1/2] drm/amdgpu: enable Navi 48-bit IH timestamp counter Date: Tue, 23 Nov 2021 11:03:51 -0500 Message-ID: <20211123160352.21228-1-Philip.Yang@amd.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 7d069990-775c-4c5c-f113-08d9ae9ae285 X-MS-TrafficTypeDiagnostic: DM5PR12MB1290: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1443; 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CAT:NONE; SFS:(4636009)(46966006)(36840700001)(8936002)(36860700001)(508600001)(6666004)(36756003)(26005)(5660300002)(4744005)(4326008)(86362001)(8676002)(336012)(316002)(6916009)(186003)(81166007)(70206006)(426003)(356005)(70586007)(16526019)(47076005)(54906003)(2616005)(82310400004)(2906002)(7696005)(1076003)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Nov 2021 16:04:09.7431 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7d069990-775c-4c5c-f113-08d9ae9ae285 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT044.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1290 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: alex.sierra@amd.com, Philip Yang , Felix.Kuehling@amd.com Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" By default this timestamp is 32 bit counter. It gets overflowed in around 10 minutes. Signed-off-by: Philip Yang --- drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c index 1d8414c3fadb..dafad6030947 100644 --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c @@ -160,6 +160,7 @@ static int navi10_ih_toggle_ring_interrupts(struct amdgpu_device *adev, tmp = RREG32(ih_regs->ih_rb_cntl); tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_ENABLE, (enable ? 1 : 0)); + tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, RB_GPU_TS_ENABLE, 1); /* enable_intr field is only valid in ring0 */ if (ih == &adev->irq.ih) tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, ENABLE_INTR, (enable ? 1 : 0)); -- 2.17.1