Symbol: AMDGPU_VM_PDB2
sys/dev/pci/drm/amd/amdgpu/amdgpu_vm.c
2465
adev->vm_manager.root_level = AMDGPU_VM_PDB2;
sys/dev/pci/drm/amd/amdgpu/amdgpu_vm_pt.c
54
case AMDGPU_VM_PDB2: