RADEON_VM_PAGE_SNOOPED
RADEON_VM_PAGE_SNOOPED);
hw_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0;
bo_va->flags &= ~RADEON_VM_PAGE_SNOOPED;
bo_va->flags |= RADEON_VM_PAGE_SNOOPED;