From: Mukul Joshi <[email protected]> Override the local MTYPE mappings in KFD SVM code with mtype_local modprobe param for GFX 12.1.
Signed-off-by: Mukul Joshi <[email protected]> Reviewed-by: Alex Sierra <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- 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
