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Fri, 24 Apr 2026 03:20:23 -0500 Received: from JesseDEV.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server id 15.2.2562.17 via Frontend Transport; Fri, 24 Apr 2026 03:20:16 -0500 From: Jesse Zhang To: CC: , Christian Koenig , Jesse.zhang , Jesse Zhang Subject: [PATCH 04/10] drm/amdgpu/sdma6: register SDMA UMQ doorbell pool Date: Fri, 24 Apr 2026 16:18:49 +0800 Message-ID: <20260424081955.873090-4-Jesse.Zhang@amd.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20260424081955.873090-1-Jesse.Zhang@amd.com> References: <20260424081955.873090-1-Jesse.Zhang@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF0000231D:EE_|PH7PR12MB7137:EE_ X-MS-Office365-Filtering-Correlation-Id: b6ccdc6e-55ee-445b-6ccf-08dea1da55a5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|82310400026|376014|1800799024|36860700016|56012099003|18002099003|22082099003; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: hbdPOry6f6+cibx3vLw8oRc5ArmmmknTqNNn4Z8oDnf6RJbT0hkPgd2MymrmX448mW7EG8hhXMaskU47iAl5N+YOWK+sLPchof3DYHDSq9NPhPuG+kHGCT9QWs4y2ZtZqznfxyYWvkmcHnxmQCSvo4rQQbze+KRGOpX7Thy0Gb3XNC5viNcs/wg6JUG48UHwsrgONhlA1LAychcXDF6qOYmtNrkiozPj9K10nOP4sIY+9UX+RQ5LhA2DKKOWepkSJtWxc+ja0boOPMYBRrRkwLdApsxDHWmk/kRhdFF3NGuOyWMcRxHWrMTtrNkzAvSahizRHJRXaQHHzS6bP428PLltXdfk/E7lZaFGFo9d9wtKA9hlRRZUSlYpg9/7Xuc2Z2cW+wJ4tq+Je1BcaqyD6L8suzIOQD5HNeLy7qu+/DVUFwK0RXn9ZicQV1GziuBp X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Apr 2026 08:20:24.3689 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b6ccdc6e-55ee-445b-6ccf-08dea1da55a5 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF0000231D.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7137 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" From: "Jesse.zhang" Call amdgpu_sdma_userq_doorbell_init() at sw_init time (gated on userq_funcs[AMDGPU_HW_IP_DMA] being set so we only run on chips that actually expose SDMA UMQs) and amdgpu_sdma_userq_doorbell_fini() at sw_fini, so SDMA usermode queues get doorbells from the firmware-managed NBIO routable window. Signed-off-by: Jesse Zhang --- drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c index de329b76a00c..02eeac3b2e11 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c @@ -1426,6 +1426,14 @@ static int sdma_v6_0_sw_init(struct amdgpu_ip_block *ip_block) if (r) return r; + /* + * Init the SDMA usermode-queue doorbell pool inside the firmware- + * managed NBIO SDMA decode window so user SDMA UMQs get doorbells + * that are actually routable to the SDMA back-end. + */ + if (adev->userq_funcs[AMDGPU_HW_IP_DMA]) + amdgpu_sdma_userq_doorbell_init(adev); + return r; } @@ -1437,6 +1445,7 @@ static int sdma_v6_0_sw_fini(struct amdgpu_ip_block *ip_block) for (i = 0; i < adev->sdma.num_instances; i++) amdgpu_ring_fini(&adev->sdma.instance[i].ring); + amdgpu_sdma_userq_doorbell_fini(adev); amdgpu_sdma_sysfs_reset_mask_fini(adev); amdgpu_sdma_destroy_inst_ctx(adev, true); -- 2.49.0