AMDGPU_PTE_WRITEABLE
flags |= AMDGPU_PTE_WRITEABLE;
AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE |
if (!(mapping->flags & AMDGPU_PTE_WRITEABLE))
flags &= ~AMDGPU_PTE_WRITEABLE;
| AMDGPU_PTE_WRITEABLE \
pte_flag |= AMDGPU_PTE_WRITEABLE;
pte_flag |= AMDGPU_PTE_WRITEABLE;
pte_flag |= AMDGPU_PTE_WRITEABLE;