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Mon, 27 Apr 2026 03:36:01 -0500 From: Jesse Zhang To: CC: , Christian Koenig , Jesse.zhang , Jesse Zhang Subject: [PATCH v2 05/11] drm/amdgpu/sdma6: register SDMA UMQ doorbell pool Date: Mon, 27 Apr 2026 16:34:31 +0800 Message-ID: <20260427083543.1328533-5-Jesse.Zhang@amd.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20260427083543.1328533-1-Jesse.Zhang@amd.com> References: <20260427083543.1328533-1-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: CH1PEPF0000A347:EE_|SJ1PR12MB6362:EE_ X-MS-Office365-Filtering-Correlation-Id: 1e736ad9-1663-47a4-261e-08dea4380760 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|36860700016|82310400026|376014|1800799024|56012099003|18002099003|22082099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000A347.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ1PR12MB6362 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