diff options
| author | Mukul Joshi <mukul.joshi@amd.com> | 2025-07-16 12:42:40 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-12-16 13:29:10 -0500 |
| commit | 1ded9071c1b1ac2712420009710256bf95e90a80 (patch) | |
| tree | aec28a453bd8fba7d43bdb66f348db0f6f64eb52 /drivers/gpu/drm/amd | |
| parent | 005b7f7f93b44ffd93f337c216ddb44d8a7c276b (diff) | |
drm/amdkfd: Override KFD SVM mappings for GFX 12.1
Override the local MTYPE mappings in KFD SVM code with mtype_local
modprobe param for GFX 12.1.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Alex Sierra <alex.sierra@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 3235774f3b64..1ed08388d364 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 : |