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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:satlexmb07.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(376014)(1800799024)(36860700013)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Dec 2025 07:14:41.6872 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0b165fa6-6411-4c4e-93f7-08de37bbc9d0 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF000252A2.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6485 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: Mukul Joshi Override the local MTYPE mappings in KFD SVM code with mtype_local modprobe param for GFX 12.1. Signed-off-by: Mukul Joshi Reviewed-by: Alex Sierra Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 3235774f3b64c..1ed08388d3646 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1309,9 +1309,11 @@ svm_range_get_pte_flags(struct kfd_node *node, struct amdgpu_vm *vm, case IP_VERSION(12, 1, 0): snoop = true; if (domain == SVM_RANGE_VRAM_DOMAIN) { + mtype_local = amdgpu_mtype_local == 1 ? AMDGPU_VM_MTYPE_NC : + AMDGPU_VM_MTYPE_RW; /* local HBM */ if (bo_node->adev == node->adev) - mapping_flags |= AMDGPU_VM_MTYPE_RW; + mapping_flags |= mtype_local; /* Remote GPU memory */ else mapping_flags |= ext_coherent ? AMDGPU_VM_MTYPE_UC : -- 2.52.0