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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: h1Kzgr4Va8Yu0XSZmJE3icTC3bNM5ANqKgYSur1rGWdvzccmUpaM3leg46S+uNwBT2NfMaVGs+WiCoV9JICpzqCA7th0EGnXUgsVFw1uS7lwuTUuVTDcyedLWtTDRrgCvb6QlY3PGvvWFU7w2LVeG8joCfdCrOZxvXaN2jm+CY7xi0mWbyN28c64Xg73D10B1kc0MX0IzxIjjmDZBNs5DEwMq4LPuzRYi5T5mTeB/axj4Ly6EStLUEd97Kyl3ahK2wRVIXnc0qJLduvQScHmmEReJ2D7U9ek7l9gMKT4+4cjqdP/mch0PWrd12XiosVPQCFGV4IrxPxscLQvvZWNgxtS/JJCvu7QUGIGzn8BgV0G4BhSYgcGQk7jBuVJsrvPBtkM+jmSsorxBS/oN7nmKXHEfc8k9dDxnUYN872rO9pus3VjeQklPLFO9KXd/dXH X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Aug 2026 19:35:32.5677 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 73ffb8fc-bd31-40fe-841f-08deffbb5d92 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: CO1PEPF000066E7.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB8613 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: Felix Kuehling Enable or disable NPA address translation using PSP during accelerator state transitions in and out of READY state. Signed-off-by: Felix Kuehling Reviewed-by: Mukul Joshi Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ualink.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ualink.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ualink.c index 134ff3d86126b..ca4b34ef1a49c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ualink.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ualink.c @@ -639,10 +639,16 @@ static bool check_local_vpod_integrity(struct amdgpu_device *adev) static void activate_accelerator(struct amdgpu_device *adev) { + int r; + if (adev->ualink.info->accel_state >= AMDGPU_UALINK_ACCEL_STATE_READY) return; - adev->ualink.info->accel_state = AMDGPU_UALINK_ACCEL_STATE_READY; + /* Enable incoming NPA address translation with VMID15 */ + r = psp_ual_set_npa_config(&adev->psp, adev->ualink.psp_if_ver, + 15, true); + if (!r) + adev->ualink.info->accel_state = AMDGPU_UALINK_ACCEL_STATE_READY; } static void deactivate_accelerator(struct amdgpu_device *adev) @@ -650,6 +656,10 @@ static void deactivate_accelerator(struct amdgpu_device *adev) if (adev->ualink.info->accel_state < AMDGPU_UALINK_ACCEL_STATE_READY) return; + /* Disable incoming NPA address translation with VMID15 */ + psp_ual_set_npa_config(&adev->psp, adev->ualink.psp_if_ver, + 15, false); + /* ignore return value */ adev->ualink.info->accel_state = AMDGPU_UALINK_ACCEL_STATE_CONFIGURED; } -- 2.55.0