68 static void radeon_fence_write(struct radeon_device *rdev, u32 seq, int ring)  in radeon_fence_write()  argument
70 	struct radeon_fence_driver *drv = &rdev->fence_drv[ring];  in radeon_fence_write()
89 static u32 radeon_fence_read(struct radeon_device *rdev, int ring)  in radeon_fence_read()  argument
91 	struct radeon_fence_driver *drv = &rdev->fence_drv[ring];  in radeon_fence_read()
114 static void radeon_fence_schedule_check(struct radeon_device *rdev, int ring)  in radeon_fence_schedule_check()  argument
121 			   &rdev->fence_drv[ring].lockup_work,  in radeon_fence_schedule_check()
137 		      int ring)  in radeon_fence_emit()  argument
147 	(*fence)->seq = seq = ++rdev->fence_drv[ring].sync_seq[ring];  in radeon_fence_emit()
148 	(*fence)->ring = ring;  in radeon_fence_emit()
152 		       rdev->fence_context + ring,  in radeon_fence_emit()
154 	radeon_fence_ring_emit(rdev, ring, *fence);  in radeon_fence_emit()
155 	trace_radeon_fence_emit(rdev->ddev, ring, (*fence)->seq);  in radeon_fence_emit()
156 	radeon_fence_schedule_check(rdev, ring);  in radeon_fence_emit()
178 	seq = atomic64_read(&fence->rdev->fence_drv[fence->ring].last_seq);  in radeon_fence_check_signaled()
187 		radeon_irq_kms_sw_irq_put(fence->rdev, fence->ring);  in radeon_fence_check_signaled()
205 static bool radeon_fence_activity(struct radeon_device *rdev, int ring)  in radeon_fence_activity()  argument
232 	last_seq = atomic64_read(&rdev->fence_drv[ring].last_seq);  in radeon_fence_activity()
234 		last_emitted = rdev->fence_drv[ring].sync_seq[ring];  in radeon_fence_activity()
235 		seq = radeon_fence_read(rdev, ring);  in radeon_fence_activity()
259 	} while (atomic64_xchg(&rdev->fence_drv[ring].last_seq, seq) > seq);  in radeon_fence_activity()
262 		radeon_fence_schedule_check(rdev, ring);  in radeon_fence_activity()
279 	int ring;  in radeon_fence_check_lockup()  local
284 	ring = fence_drv - &rdev->fence_drv[0];  in radeon_fence_check_lockup()
288 		radeon_fence_schedule_check(rdev, ring);  in radeon_fence_check_lockup()
301 	if (radeon_fence_activity(rdev, ring))  in radeon_fence_check_lockup()
304 	else if (radeon_ring_is_lockup(rdev, ring, &rdev->ring[ring])) {  in radeon_fence_check_lockup()
310 			 fence_drv->sync_seq[ring], ring);  in radeon_fence_check_lockup()
328 void radeon_fence_process(struct radeon_device *rdev, int ring)  in radeon_fence_process()  argument
330 	if (radeon_fence_activity(rdev, ring))  in radeon_fence_process()
349 				      u64 seq, unsigned ring)  in radeon_fence_seq_signaled()  argument
351 	if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq) {  in radeon_fence_seq_signaled()
355 	radeon_fence_process(rdev, ring);  in radeon_fence_seq_signaled()
356 	if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq) {  in radeon_fence_seq_signaled()
366 	unsigned ring = fence->ring;  in radeon_fence_is_signaled()  local
369 	if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq) {  in radeon_fence_is_signaled()
374 		radeon_fence_process(rdev, ring);  in radeon_fence_is_signaled()
377 		if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq) {  in radeon_fence_is_signaled()
397 	if (atomic64_read(&rdev->fence_drv[fence->ring].last_seq) >= fence->seq)  in radeon_fence_enable_signaling()
401 		radeon_irq_kms_sw_irq_get(rdev, fence->ring);  in radeon_fence_enable_signaling()
403 		if (radeon_fence_activity(rdev, fence->ring))  in radeon_fence_enable_signaling()
407 		if (atomic64_read(&rdev->fence_drv[fence->ring].last_seq) >= fence->seq) {  in radeon_fence_enable_signaling()
408 			radeon_irq_kms_sw_irq_put(rdev, fence->ring);  in radeon_fence_enable_signaling()
416 		if (radeon_irq_kms_sw_irq_get_delayed(rdev, fence->ring))  in radeon_fence_enable_signaling()
417 			rdev->fence_drv[fence->ring].delayed_irq = true;  in radeon_fence_enable_signaling()
418 		radeon_fence_schedule_check(rdev, fence->ring);  in radeon_fence_enable_signaling()
427 	DMA_FENCE_TRACE(&fence->base, "armed on ring %i!\n", fence->ring);  in radeon_fence_enable_signaling()
444 	if (radeon_fence_seq_signaled(fence->rdev, fence->seq, fence->ring)) {  in radeon_fence_signaled()
565 	seq[fence->ring] = fence->seq;  in radeon_fence_wait_timeout()
651 int radeon_fence_wait_next(struct radeon_device *rdev, int ring)  in radeon_fence_wait_next()  argument
656 	seq[ring] = atomic64_read(&rdev->fence_drv[ring].last_seq) + 1ULL;  in radeon_fence_wait_next()
657 	if (seq[ring] >= rdev->fence_drv[ring].sync_seq[ring]) {  in radeon_fence_wait_next()
678 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring)  in radeon_fence_wait_empty()  argument
683 	seq[ring] = rdev->fence_drv[ring].sync_seq[ring];  in radeon_fence_wait_empty()
684 	if (!seq[ring])  in radeon_fence_wait_empty()
693 			ring, r);  in radeon_fence_wait_empty()
739 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring)  in radeon_fence_count_emitted()  argument
746 	radeon_fence_process(rdev, ring);  in radeon_fence_count_emitted()
747 	emitted = rdev->fence_drv[ring].sync_seq[ring]  in radeon_fence_count_emitted()
748 		- atomic64_read(&rdev->fence_drv[ring].last_seq);  in radeon_fence_count_emitted()
775 	if (fence->ring == dst_ring) {  in radeon_fence_need_sync()
781 	if (fence->seq <= fdrv->sync_seq[fence->ring]) {  in radeon_fence_need_sync()
806 	if (fence->ring == dst_ring) {  in radeon_fence_note_sync()
811 	src = &fence->rdev->fence_drv[fence->ring];  in radeon_fence_note_sync()
833 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring)  in radeon_fence_driver_start_ring()  argument
838 	radeon_scratch_free(rdev, rdev->fence_drv[ring].scratch_reg);  in radeon_fence_driver_start_ring()
839 	if (rdev->wb.use_event || !radeon_ring_supports_scratch_reg(rdev, &rdev->ring[ring])) {  in radeon_fence_driver_start_ring()
840 		rdev->fence_drv[ring].scratch_reg = 0;  in radeon_fence_driver_start_ring()
841 		if (ring != R600_RING_TYPE_UVD_INDEX) {  in radeon_fence_driver_start_ring()
842 			index = R600_WB_EVENT_OFFSET + ring * 4;  in radeon_fence_driver_start_ring()
843 			rdev->fence_drv[ring].cpu_addr = &rdev->wb.wb[index/4];  in radeon_fence_driver_start_ring()
844 			rdev->fence_drv[ring].gpu_addr = rdev->wb.gpu_addr +  in radeon_fence_driver_start_ring()
850 			rdev->fence_drv[ring].cpu_addr = rdev->uvd.cpu_addr + index;  in radeon_fence_driver_start_ring()
851 			rdev->fence_drv[ring].gpu_addr = rdev->uvd.gpu_addr + index;  in radeon_fence_driver_start_ring()
855 		r = radeon_scratch_get(rdev, &rdev->fence_drv[ring].scratch_reg);  in radeon_fence_driver_start_ring()
861 			rdev->fence_drv[ring].scratch_reg -  in radeon_fence_driver_start_ring()
863 		rdev->fence_drv[ring].cpu_addr = &rdev->wb.wb[index/4];  in radeon_fence_driver_start_ring()
864 		rdev->fence_drv[ring].gpu_addr = rdev->wb.gpu_addr + index;  in radeon_fence_driver_start_ring()
866 	radeon_fence_write(rdev, atomic64_read(&rdev->fence_drv[ring].last_seq), ring);  in radeon_fence_driver_start_ring()
867 	rdev->fence_drv[ring].initialized = true;  in radeon_fence_driver_start_ring()
869 		 ring, rdev->fence_drv[ring].gpu_addr);  in radeon_fence_driver_start_ring()
883 static void radeon_fence_driver_init_ring(struct radeon_device *rdev, int ring)  in radeon_fence_driver_init_ring()  argument
887 	rdev->fence_drv[ring].scratch_reg = -1;  in radeon_fence_driver_init_ring()
888 	rdev->fence_drv[ring].cpu_addr = NULL;  in radeon_fence_driver_init_ring()
889 	rdev->fence_drv[ring].gpu_addr = 0;  in radeon_fence_driver_init_ring()
891 		rdev->fence_drv[ring].sync_seq[i] = 0;  in radeon_fence_driver_init_ring()
892 	atomic64_set(&rdev->fence_drv[ring].last_seq, 0);  in radeon_fence_driver_init_ring()
893 	rdev->fence_drv[ring].initialized = false;  in radeon_fence_driver_init_ring()
894 	INIT_DELAYED_WORK(&rdev->fence_drv[ring].lockup_work,  in radeon_fence_driver_init_ring()
896 	rdev->fence_drv[ring].rdev = rdev;  in radeon_fence_driver_init_ring()
913 	int ring;  in radeon_fence_driver_init()  local
916 	for (ring = 0; ring < RADEON_NUM_RINGS; ring++) {  in radeon_fence_driver_init()
917 		radeon_fence_driver_init_ring(rdev, ring);  in radeon_fence_driver_init()
935 	int ring, r;  in radeon_fence_driver_fini()  local
938 	for (ring = 0; ring < RADEON_NUM_RINGS; ring++) {  in radeon_fence_driver_fini()
939 		if (!rdev->fence_drv[ring].initialized)  in radeon_fence_driver_fini()
941 		r = radeon_fence_wait_empty(rdev, ring);  in radeon_fence_driver_fini()
944 			radeon_fence_driver_force_completion(rdev, ring);  in radeon_fence_driver_fini()
946 		cancel_delayed_work_sync(&rdev->fence_drv[ring].lockup_work);  in radeon_fence_driver_fini()
948 		radeon_scratch_free(rdev, rdev->fence_drv[ring].scratch_reg);  in radeon_fence_driver_fini()
949 		rdev->fence_drv[ring].initialized = false;  in radeon_fence_driver_fini()
963 void radeon_fence_driver_force_completion(struct radeon_device *rdev, int ring)  in radeon_fence_driver_force_completion()  argument
965 	if (rdev->fence_drv[ring].initialized) {  in radeon_fence_driver_force_completion()
966 		radeon_fence_write(rdev, rdev->fence_drv[ring].sync_seq[ring], ring);  in radeon_fence_driver_force_completion()
967 		cancel_delayed_work_sync(&rdev->fence_drv[ring].lockup_work);  in radeon_fence_driver_force_completion()
1047 	switch (fence->ring) {  in radeon_fence_get_timeline_name()