62 static void radeon_fence_write(struct radeon_device *rdev, u32 seq, int ring)  in radeon_fence_write()  argument
64 	struct radeon_fence_driver *drv = &rdev->fence_drv[ring];  in radeon_fence_write()
83 static u32 radeon_fence_read(struct radeon_device *rdev, int ring)  in radeon_fence_read()  argument
85 	struct radeon_fence_driver *drv = &rdev->fence_drv[ring];  in radeon_fence_read()
108 static void radeon_fence_schedule_check(struct radeon_device *rdev, int ring)  in radeon_fence_schedule_check()  argument
115 			   &rdev->fence_drv[ring].lockup_work,  in radeon_fence_schedule_check()
131 		      int ring)  in radeon_fence_emit()  argument
133 	u64 seq = ++rdev->fence_drv[ring].sync_seq[ring];  in radeon_fence_emit()
142 	(*fence)->ring = ring;  in radeon_fence_emit()
145 		   &rdev->fence_queue.lock, rdev->fence_context + ring, seq);  in radeon_fence_emit()
146 	radeon_fence_ring_emit(rdev, ring, *fence);  in radeon_fence_emit()
147 	trace_radeon_fence_emit(rdev->ddev, ring, (*fence)->seq);  in radeon_fence_emit()
148 	radeon_fence_schedule_check(rdev, ring);  in radeon_fence_emit()
170 	seq = atomic64_read(&fence->rdev->fence_drv[fence->ring].last_seq);  in radeon_fence_check_signaled()
179 		radeon_irq_kms_sw_irq_put(fence->rdev, fence->ring);  in radeon_fence_check_signaled()
197 static bool radeon_fence_activity(struct radeon_device *rdev, int ring)  in radeon_fence_activity()  argument
224 	last_seq = atomic64_read(&rdev->fence_drv[ring].last_seq);  in radeon_fence_activity()
226 		last_emitted = rdev->fence_drv[ring].sync_seq[ring];  in radeon_fence_activity()
227 		seq = radeon_fence_read(rdev, ring);  in radeon_fence_activity()
251 	} while (atomic64_xchg(&rdev->fence_drv[ring].last_seq, seq) > seq);  in radeon_fence_activity()
254 		radeon_fence_schedule_check(rdev, ring);  in radeon_fence_activity()
271 	int ring;  in radeon_fence_check_lockup()  local
276 	ring = fence_drv - &rdev->fence_drv[0];  in radeon_fence_check_lockup()
280 		radeon_fence_schedule_check(rdev, ring);  in radeon_fence_check_lockup()
293 	if (radeon_fence_activity(rdev, ring))  in radeon_fence_check_lockup()
296 	else if (radeon_ring_is_lockup(rdev, ring, &rdev->ring[ring])) {  in radeon_fence_check_lockup()
302 			 fence_drv->sync_seq[ring], ring);  in radeon_fence_check_lockup()
320 void radeon_fence_process(struct radeon_device *rdev, int ring)  in radeon_fence_process()  argument
322 	if (radeon_fence_activity(rdev, ring))  in radeon_fence_process()
341 				      u64 seq, unsigned ring)  in radeon_fence_seq_signaled()  argument
343 	if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq) {  in radeon_fence_seq_signaled()
347 	radeon_fence_process(rdev, ring);  in radeon_fence_seq_signaled()
348 	if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq) {  in radeon_fence_seq_signaled()
358 	unsigned ring = fence->ring;  in radeon_fence_is_signaled()  local
361 	if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq) {  in radeon_fence_is_signaled()
366 		radeon_fence_process(rdev, ring);  in radeon_fence_is_signaled()
369 		if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq) {  in radeon_fence_is_signaled()
389 	if (atomic64_read(&rdev->fence_drv[fence->ring].last_seq) >= fence->seq)  in radeon_fence_enable_signaling()
393 		radeon_irq_kms_sw_irq_get(rdev, fence->ring);  in radeon_fence_enable_signaling()
395 		if (radeon_fence_activity(rdev, fence->ring))  in radeon_fence_enable_signaling()
399 		if (atomic64_read(&rdev->fence_drv[fence->ring].last_seq) >= fence->seq) {  in radeon_fence_enable_signaling()
400 			radeon_irq_kms_sw_irq_put(rdev, fence->ring);  in radeon_fence_enable_signaling()
408 		if (radeon_irq_kms_sw_irq_get_delayed(rdev, fence->ring))  in radeon_fence_enable_signaling()
409 			rdev->fence_drv[fence->ring].delayed_irq = true;  in radeon_fence_enable_signaling()
410 		radeon_fence_schedule_check(rdev, fence->ring);  in radeon_fence_enable_signaling()
419 	FENCE_TRACE(&fence->base, "armed on ring %i!\n", fence->ring);  in radeon_fence_enable_signaling()
436 	if (radeon_fence_seq_signaled(fence->rdev, fence->seq, fence->ring)) {  in radeon_fence_signaled()
554 	seq[fence->ring] = fence->seq;  in radeon_fence_wait()
619 int radeon_fence_wait_next(struct radeon_device *rdev, int ring)  in radeon_fence_wait_next()  argument
624 	seq[ring] = atomic64_read(&rdev->fence_drv[ring].last_seq) + 1ULL;  in radeon_fence_wait_next()
625 	if (seq[ring] >= rdev->fence_drv[ring].sync_seq[ring]) {  in radeon_fence_wait_next()
646 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring)  in radeon_fence_wait_empty()  argument
651 	seq[ring] = rdev->fence_drv[ring].sync_seq[ring];  in radeon_fence_wait_empty()
652 	if (!seq[ring])  in radeon_fence_wait_empty()
661 			ring, r);  in radeon_fence_wait_empty()
707 unsigned radeon_fence_count_emitted(struct radeon_device *rdev, int ring)  in radeon_fence_count_emitted()  argument
714 	radeon_fence_process(rdev, ring);  in radeon_fence_count_emitted()
715 	emitted = rdev->fence_drv[ring].sync_seq[ring]  in radeon_fence_count_emitted()
716 		- atomic64_read(&rdev->fence_drv[ring].last_seq);  in radeon_fence_count_emitted()
743 	if (fence->ring == dst_ring) {  in radeon_fence_need_sync()
749 	if (fence->seq <= fdrv->sync_seq[fence->ring]) {  in radeon_fence_need_sync()
774 	if (fence->ring == dst_ring) {  in radeon_fence_note_sync()
779 	src = &fence->rdev->fence_drv[fence->ring];  in radeon_fence_note_sync()
801 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring)  in radeon_fence_driver_start_ring()  argument
806 	radeon_scratch_free(rdev, rdev->fence_drv[ring].scratch_reg);  in radeon_fence_driver_start_ring()
807 	if (rdev->wb.use_event || !radeon_ring_supports_scratch_reg(rdev, &rdev->ring[ring])) {  in radeon_fence_driver_start_ring()
808 		rdev->fence_drv[ring].scratch_reg = 0;  in radeon_fence_driver_start_ring()
809 		if (ring != R600_RING_TYPE_UVD_INDEX) {  in radeon_fence_driver_start_ring()
810 			index = R600_WB_EVENT_OFFSET + ring * 4;  in radeon_fence_driver_start_ring()
811 			rdev->fence_drv[ring].cpu_addr = &rdev->wb.wb[index/4];  in radeon_fence_driver_start_ring()
812 			rdev->fence_drv[ring].gpu_addr = rdev->wb.gpu_addr +  in radeon_fence_driver_start_ring()
818 			rdev->fence_drv[ring].cpu_addr = rdev->uvd.cpu_addr + index;  in radeon_fence_driver_start_ring()
819 			rdev->fence_drv[ring].gpu_addr = rdev->uvd.gpu_addr + index;  in radeon_fence_driver_start_ring()
823 		r = radeon_scratch_get(rdev, &rdev->fence_drv[ring].scratch_reg);  in radeon_fence_driver_start_ring()
829 			rdev->fence_drv[ring].scratch_reg -  in radeon_fence_driver_start_ring()
831 		rdev->fence_drv[ring].cpu_addr = &rdev->wb.wb[index/4];  in radeon_fence_driver_start_ring()
832 		rdev->fence_drv[ring].gpu_addr = rdev->wb.gpu_addr + index;  in radeon_fence_driver_start_ring()
834 	radeon_fence_write(rdev, atomic64_read(&rdev->fence_drv[ring].last_seq), ring);  in radeon_fence_driver_start_ring()
835 	rdev->fence_drv[ring].initialized = true;  in radeon_fence_driver_start_ring()
837 		 ring, rdev->fence_drv[ring].gpu_addr, rdev->fence_drv[ring].cpu_addr);  in radeon_fence_driver_start_ring()
851 static void radeon_fence_driver_init_ring(struct radeon_device *rdev, int ring)  in radeon_fence_driver_init_ring()  argument
855 	rdev->fence_drv[ring].scratch_reg = -1;  in radeon_fence_driver_init_ring()
856 	rdev->fence_drv[ring].cpu_addr = NULL;  in radeon_fence_driver_init_ring()
857 	rdev->fence_drv[ring].gpu_addr = 0;  in radeon_fence_driver_init_ring()
859 		rdev->fence_drv[ring].sync_seq[i] = 0;  in radeon_fence_driver_init_ring()
860 	atomic64_set(&rdev->fence_drv[ring].last_seq, 0);  in radeon_fence_driver_init_ring()
861 	rdev->fence_drv[ring].initialized = false;  in radeon_fence_driver_init_ring()
862 	INIT_DELAYED_WORK(&rdev->fence_drv[ring].lockup_work,  in radeon_fence_driver_init_ring()
864 	rdev->fence_drv[ring].rdev = rdev;  in radeon_fence_driver_init_ring()
881 	int ring;  in radeon_fence_driver_init()  local
884 	for (ring = 0; ring < RADEON_NUM_RINGS; ring++) {  in radeon_fence_driver_init()
885 		radeon_fence_driver_init_ring(rdev, ring);  in radeon_fence_driver_init()
903 	int ring, r;  in radeon_fence_driver_fini()  local
906 	for (ring = 0; ring < RADEON_NUM_RINGS; ring++) {  in radeon_fence_driver_fini()
907 		if (!rdev->fence_drv[ring].initialized)  in radeon_fence_driver_fini()
909 		r = radeon_fence_wait_empty(rdev, ring);  in radeon_fence_driver_fini()
912 			radeon_fence_driver_force_completion(rdev, ring);  in radeon_fence_driver_fini()
914 		cancel_delayed_work_sync(&rdev->fence_drv[ring].lockup_work);  in radeon_fence_driver_fini()
916 		radeon_scratch_free(rdev, rdev->fence_drv[ring].scratch_reg);  in radeon_fence_driver_fini()
917 		rdev->fence_drv[ring].initialized = false;  in radeon_fence_driver_fini()
931 void radeon_fence_driver_force_completion(struct radeon_device *rdev, int ring)  in radeon_fence_driver_force_completion()  argument
933 	if (rdev->fence_drv[ring].initialized) {  in radeon_fence_driver_force_completion()
934 		radeon_fence_write(rdev, rdev->fence_drv[ring].sync_seq[ring], ring);  in radeon_fence_driver_force_completion()
935 		cancel_delayed_work_sync(&rdev->fence_drv[ring].lockup_work);  in radeon_fence_driver_force_completion()
1015 	switch (fence->ring) {  in radeon_fence_get_timeline_name()