3315 	rdev->ih.ring_obj = NULL;  in r600_init()
3473 	rdev->ih.ring_size = ring_size;  in r600_ih_ring_init()
3474 	rdev->ih.ptr_mask = rdev->ih.ring_size - 1;  in r600_ih_ring_init()
3475 	rdev->ih.rptr = 0;  in r600_ih_ring_init()
3483 	if (rdev->ih.ring_obj == NULL) {  in r600_ih_ring_alloc()
3484 		r = radeon_bo_create(rdev, rdev->ih.ring_size,  in r600_ih_ring_alloc()
3487 				     NULL, NULL, &rdev->ih.ring_obj);  in r600_ih_ring_alloc()
3492 		r = radeon_bo_reserve(rdev->ih.ring_obj, false);  in r600_ih_ring_alloc()
3495 		r = radeon_bo_pin(rdev->ih.ring_obj,  in r600_ih_ring_alloc()
3497 				  &rdev->ih.gpu_addr);  in r600_ih_ring_alloc()
3499 			radeon_bo_unreserve(rdev->ih.ring_obj);  in r600_ih_ring_alloc()
3503 		r = radeon_bo_kmap(rdev->ih.ring_obj,  in r600_ih_ring_alloc()
3504 				   (void **)&rdev->ih.ring);  in r600_ih_ring_alloc()
3505 		radeon_bo_unreserve(rdev->ih.ring_obj);  in r600_ih_ring_alloc()
3517 	if (rdev->ih.ring_obj) {  in r600_ih_ring_fini()
3518 		r = radeon_bo_reserve(rdev->ih.ring_obj, false);  in r600_ih_ring_fini()
3520 			radeon_bo_kunmap(rdev->ih.ring_obj);  in r600_ih_ring_fini()
3521 			radeon_bo_unpin(rdev->ih.ring_obj);  in r600_ih_ring_fini()
3522 			radeon_bo_unreserve(rdev->ih.ring_obj);  in r600_ih_ring_fini()
3524 		radeon_bo_unref(&rdev->ih.ring_obj);  in r600_ih_ring_fini()
3525 		rdev->ih.ring = NULL;  in r600_ih_ring_fini()
3526 		rdev->ih.ring_obj = NULL;  in r600_ih_ring_fini()
3599 	rdev->ih.enabled = true;  in r600_enable_interrupts()
3614 	rdev->ih.enabled = false;  in r600_disable_interrupts()
3615 	rdev->ih.rptr = 0;  in r600_disable_interrupts()
3707 	WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);  in r600_irq_init()
3708 	rb_bufsz = order_base_2(rdev->ih.ring_size / 4);  in r600_irq_init()
3776 	if (!rdev->ih.enabled) {  in r600_irq_set()
4053 			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);  in r600_get_ih_wptr()
4054 		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;  in r600_get_ih_wptr()
4059 	return (wptr & rdev->ih.ptr_mask);  in r600_get_ih_wptr()
4102 	if (!rdev->ih.enabled || rdev->shutdown)  in r600_irq_process()
4113 	if (atomic_xchg(&rdev->ih.lock, 1))  in r600_irq_process()
4116 	rptr = rdev->ih.rptr;  in r600_irq_process()
4128 		src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;  in r600_irq_process()
4129 		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;  in r600_irq_process()
4321 		rptr &= rdev->ih.ptr_mask;  in r600_irq_process()
4330 	rdev->ih.rptr = rptr;  in r600_irq_process()
4331 	atomic_set(&rdev->ih.lock, 0);  in r600_irq_process()