amdgpu_gmc_get_pde_for_bo
amdgpu_gmc_get_pde_for_bo(bo, -1, &pd_addr, &flags);
void amdgpu_gmc_get_pde_for_bo(struct amdgpu_bo *bo, int level,
amdgpu_gmc_get_pde_for_bo(entry->bo, level, &pt, &flags);