789 static inline bool use_4lvl(const struct i915_address_space *vm)  in use_4lvl()  function
800 	GEM_BUG_ON(!use_4lvl(vm));  in alloc_pdp()
829 	if (!use_4lvl(vm))  in free_pdp()
937 	if (!use_4lvl(vm))  in gen8_ppgtt_set_pdpe()
1002 	GEM_BUG_ON(!use_4lvl(vm));  in gen8_ppgtt_clear_4lvl()
1291 	if (use_4lvl(vm)) {  in gen8_init_scratch()
1301 	if (use_4lvl(vm))  in gen8_init_scratch()
1323 	if (use_4lvl(vm)) {  in gen8_ppgtt_notify_vgt()
1350 	if (use_4lvl(vm))  in gen8_free_scratch()
1396 	if (use_4lvl(vm))  in gen8_ppgtt_cleanup()
1591 	if (use_4lvl(vm)) {  in gen8_dump_ppgtt()
1684 	if (use_4lvl(&ppgtt->vm)) {  in gen8_ppgtt_create()