67 static void radeon_fence_write(struct radeon_device *rdev, u32 seq, int ring)  in radeon_fence_write()  argument
69 	struct radeon_fence_driver *drv = &rdev->fence_drv[ring];  in radeon_fence_write()
88 static u32 radeon_fence_read(struct radeon_device *rdev, int ring)  in radeon_fence_read()  argument
90 	struct radeon_fence_driver *drv = &rdev->fence_drv[ring];  in radeon_fence_read()
112 static void radeon_fence_schedule_check(struct radeon_device *rdev, int ring)  in radeon_fence_schedule_check()  argument
119 			   &rdev->fence_drv[ring].lockup_work,  in radeon_fence_schedule_check()
135 		      int ring)  in radeon_fence_emit()  argument
145 	(*fence)->seq = seq = ++rdev->fence_drv[ring].sync_seq[ring];  in radeon_fence_emit()
146 	(*fence)->ring = ring;  in radeon_fence_emit()
150 		       rdev->fence_context + ring,  in radeon_fence_emit()
152 	radeon_fence_ring_emit(rdev, ring, *fence);  in radeon_fence_emit()
153 	trace_radeon_fence_emit(rdev_to_drm(rdev), ring, (*fence)->seq);  in radeon_fence_emit()
154 	radeon_fence_schedule_check(rdev, ring);  in radeon_fence_emit()
177 	seq = atomic64_read(&fence->rdev->fence_drv[fence->ring].last_seq);  in radeon_fence_check_signaled()
180 		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()
301 			 fence_drv->sync_seq[ring], ring);  in radeon_fence_check_lockup()
319 void radeon_fence_process(struct radeon_device *rdev, int ring)  in radeon_fence_process()  argument
321 	if (radeon_fence_activity(rdev, ring))  in radeon_fence_process()
340 				      u64 seq, unsigned int ring)  in radeon_fence_seq_signaled()  argument
342 	if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq)  in radeon_fence_seq_signaled()
346 	radeon_fence_process(rdev, ring);  in radeon_fence_seq_signaled()
347 	if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq)  in radeon_fence_seq_signaled()
357 	unsigned int ring = fence->ring;  in radeon_fence_is_signaled()  local
360 	if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq)  in radeon_fence_is_signaled()
364 		radeon_fence_process(rdev, ring);  in radeon_fence_is_signaled()
367 		if (atomic64_read(&rdev->fence_drv[ring].last_seq) >= seq)  in radeon_fence_is_signaled()
386 	if (atomic64_read(&rdev->fence_drv[fence->ring].last_seq) >= fence->seq)  in radeon_fence_enable_signaling()
390 		radeon_irq_kms_sw_irq_get(rdev, fence->ring);  in radeon_fence_enable_signaling()
392 		if (radeon_fence_activity(rdev, fence->ring))  in radeon_fence_enable_signaling()
396 		if (atomic64_read(&rdev->fence_drv[fence->ring].last_seq) >= fence->seq) {  in radeon_fence_enable_signaling()
397 			radeon_irq_kms_sw_irq_put(rdev, fence->ring);  in radeon_fence_enable_signaling()
405 		if (radeon_irq_kms_sw_irq_get_delayed(rdev, fence->ring))  in radeon_fence_enable_signaling()
406 			rdev->fence_drv[fence->ring].delayed_irq = true;  in radeon_fence_enable_signaling()
407 		radeon_fence_schedule_check(rdev, fence->ring);  in radeon_fence_enable_signaling()
431 	if (radeon_fence_seq_signaled(fence->rdev, fence->seq, fence->ring)) {  in radeon_fence_signaled()
547 	seq[fence->ring] = fence->seq;  in radeon_fence_wait_timeout()
629 int radeon_fence_wait_next(struct radeon_device *rdev, int ring)  in radeon_fence_wait_next()  argument
634 	seq[ring] = atomic64_read(&rdev->fence_drv[ring].last_seq) + 1ULL;  in radeon_fence_wait_next()
635 	if (seq[ring] >= rdev->fence_drv[ring].sync_seq[ring]) {  in radeon_fence_wait_next()
659 int radeon_fence_wait_empty(struct radeon_device *rdev, int ring)  in radeon_fence_wait_empty()  argument
664 	seq[ring] = rdev->fence_drv[ring].sync_seq[ring];  in radeon_fence_wait_empty()
665 	if (!seq[ring])  in radeon_fence_wait_empty()
674 			ring, r);  in radeon_fence_wait_empty()
719 unsigned int radeon_fence_count_emitted(struct radeon_device *rdev, int ring)  in radeon_fence_count_emitted()  argument
726 	radeon_fence_process(rdev, ring);  in radeon_fence_count_emitted()
727 	emitted = rdev->fence_drv[ring].sync_seq[ring]  in radeon_fence_count_emitted()
728 		- atomic64_read(&rdev->fence_drv[ring].last_seq);  in radeon_fence_count_emitted()
754 	if (fence->ring == dst_ring)  in radeon_fence_need_sync()
759 	if (fence->seq <= fdrv->sync_seq[fence->ring])  in radeon_fence_need_sync()
782 	if (fence->ring == dst_ring)  in radeon_fence_note_sync()
786 	src = &fence->rdev->fence_drv[fence->ring];  in radeon_fence_note_sync()
808 int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring)  in radeon_fence_driver_start_ring()  argument
813 	radeon_scratch_free(rdev, rdev->fence_drv[ring].scratch_reg);  in radeon_fence_driver_start_ring()
814 	if (rdev->wb.use_event || !radeon_ring_supports_scratch_reg(rdev, &rdev->ring[ring])) {  in radeon_fence_driver_start_ring()
815 		rdev->fence_drv[ring].scratch_reg = 0;  in radeon_fence_driver_start_ring()
816 		if (ring != R600_RING_TYPE_UVD_INDEX) {  in radeon_fence_driver_start_ring()
817 			index = R600_WB_EVENT_OFFSET + ring * 4;  in radeon_fence_driver_start_ring()
818 			rdev->fence_drv[ring].cpu_addr = &rdev->wb.wb[index/4];  in radeon_fence_driver_start_ring()
819 			rdev->fence_drv[ring].gpu_addr = rdev->wb.gpu_addr +  in radeon_fence_driver_start_ring()
825 			rdev->fence_drv[ring].cpu_addr = rdev->uvd.cpu_addr + index;  in radeon_fence_driver_start_ring()
826 			rdev->fence_drv[ring].gpu_addr = rdev->uvd.gpu_addr + index;  in radeon_fence_driver_start_ring()
830 		r = radeon_scratch_get(rdev, &rdev->fence_drv[ring].scratch_reg);  in radeon_fence_driver_start_ring()
836 			rdev->fence_drv[ring].scratch_reg -  in radeon_fence_driver_start_ring()
838 		rdev->fence_drv[ring].cpu_addr = &rdev->wb.wb[index/4];  in radeon_fence_driver_start_ring()
839 		rdev->fence_drv[ring].gpu_addr = rdev->wb.gpu_addr + index;  in radeon_fence_driver_start_ring()
841 	radeon_fence_write(rdev, atomic64_read(&rdev->fence_drv[ring].last_seq), ring);  in radeon_fence_driver_start_ring()
842 	rdev->fence_drv[ring].initialized = true;  in radeon_fence_driver_start_ring()
844 		 ring, rdev->fence_drv[ring].gpu_addr);  in radeon_fence_driver_start_ring()
858 static void radeon_fence_driver_init_ring(struct radeon_device *rdev, int ring)  in radeon_fence_driver_init_ring()  argument
862 	rdev->fence_drv[ring].scratch_reg = -1;  in radeon_fence_driver_init_ring()
863 	rdev->fence_drv[ring].cpu_addr = NULL;  in radeon_fence_driver_init_ring()
864 	rdev->fence_drv[ring].gpu_addr = 0;  in radeon_fence_driver_init_ring()
866 		rdev->fence_drv[ring].sync_seq[i] = 0;  in radeon_fence_driver_init_ring()
867 	atomic64_set(&rdev->fence_drv[ring].last_seq, 0);  in radeon_fence_driver_init_ring()
868 	rdev->fence_drv[ring].initialized = false;  in radeon_fence_driver_init_ring()
869 	INIT_DELAYED_WORK(&rdev->fence_drv[ring].lockup_work,  in radeon_fence_driver_init_ring()
871 	rdev->fence_drv[ring].rdev = rdev;  in radeon_fence_driver_init_ring()
887 	int ring;  in radeon_fence_driver_init()  local
890 	for (ring = 0; ring < RADEON_NUM_RINGS; ring++)  in radeon_fence_driver_init()
891 		radeon_fence_driver_init_ring(rdev, ring);  in radeon_fence_driver_init()
906 	int ring, r;  in radeon_fence_driver_fini()  local
909 	for (ring = 0; ring < RADEON_NUM_RINGS; ring++) {  in radeon_fence_driver_fini()
910 		if (!rdev->fence_drv[ring].initialized)  in radeon_fence_driver_fini()
912 		r = radeon_fence_wait_empty(rdev, ring);  in radeon_fence_driver_fini()
915 			radeon_fence_driver_force_completion(rdev, ring);  in radeon_fence_driver_fini()
917 		cancel_delayed_work_sync(&rdev->fence_drv[ring].lockup_work);  in radeon_fence_driver_fini()
919 		radeon_scratch_free(rdev, rdev->fence_drv[ring].scratch_reg);  in radeon_fence_driver_fini()
920 		rdev->fence_drv[ring].initialized = false;  in radeon_fence_driver_fini()
934 void radeon_fence_driver_force_completion(struct radeon_device *rdev, int ring)  in radeon_fence_driver_force_completion()  argument
936 	if (rdev->fence_drv[ring].initialized) {  in radeon_fence_driver_force_completion()
937 		radeon_fence_write(rdev, rdev->fence_drv[ring].sync_seq[ring], ring);  in radeon_fence_driver_force_completion()
938 		cancel_delayed_work_sync(&rdev->fence_drv[ring].lockup_work);  in radeon_fence_driver_force_completion()
1018 	switch (fence->ring) {  in radeon_fence_get_timeline_name()