41  * Most engines on the GPU are fed via ring buffers.  Ring
47  * pointers are equal, the ring is idle.  When the host
48  * writes commands to the ring buffer, it increments the
56  * @type: ring type for which to return the limit.
74  * amdgpu_ring_alloc - allocate space on the ring buffer
76  * @ring: amdgpu_ring structure holding ring information
77  * @ndw: number of dwords to allocate in the ring buffer
79  * Allocate @ndw dwords in the ring buffer (all asics).
82 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned int ndw)  in amdgpu_ring_alloc()  argument
86 	ndw = (ndw + ring->funcs->align_mask) & ~ring->funcs->align_mask;  in amdgpu_ring_alloc()
91 	if (WARN_ON_ONCE(ndw > ring->max_dw))  in amdgpu_ring_alloc()
94 	ring->count_dw = ndw;  in amdgpu_ring_alloc()
95 	ring->wptr_old = ring->wptr;  in amdgpu_ring_alloc()
97 	if (ring->funcs->begin_use)  in amdgpu_ring_alloc()
98 		ring->funcs->begin_use(ring);  in amdgpu_ring_alloc()
104  * amdgpu_ring_alloc_reemit - allocate space on the ring buffer for reemit
106  * @ring: amdgpu_ring structure holding ring information
107  * @ndw: number of dwords to allocate in the ring buffer
109  * Allocate @ndw dwords in the ring buffer (all asics).
113 static void amdgpu_ring_alloc_reemit(struct amdgpu_ring *ring, unsigned int ndw)  in amdgpu_ring_alloc_reemit()  argument
117 	ndw = (ndw + ring->funcs->align_mask) & ~ring->funcs->align_mask;  in amdgpu_ring_alloc_reemit()
119 	ring->count_dw = ndw;  in amdgpu_ring_alloc_reemit()
120 	ring->wptr_old = ring->wptr;  in amdgpu_ring_alloc_reemit()
122 	if (ring->funcs->begin_use)  in amdgpu_ring_alloc_reemit()
123 		ring->funcs->begin_use(ring);  in amdgpu_ring_alloc_reemit()
128  * @ring: amdgpu_ring structure holding ring information
133 void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)  in amdgpu_ring_insert_nop()  argument
137 	occupied = ring->wptr & ring->buf_mask;  in amdgpu_ring_insert_nop()
138 	chunk1 = ring->buf_mask + 1 - occupied;  in amdgpu_ring_insert_nop()
143 		memset32(&ring->ring[occupied], ring->funcs->nop, chunk1);  in amdgpu_ring_insert_nop()
146 		memset32(ring->ring, ring->funcs->nop, chunk2);  in amdgpu_ring_insert_nop()
148 	ring->wptr += count;  in amdgpu_ring_insert_nop()
149 	ring->wptr &= ring->ptr_mask;  in amdgpu_ring_insert_nop()
150 	ring->count_dw -= count;  in amdgpu_ring_insert_nop()
156  * @ring: amdgpu_ring structure holding ring information
161 void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)  in amdgpu_ring_generic_pad_ib()  argument
163 	u32 align_mask = ring->funcs->align_mask;  in amdgpu_ring_generic_pad_ib()
169 		memset32(&ib->ptr[ib->length_dw], ring->funcs->nop, count);  in amdgpu_ring_generic_pad_ib()
177  * commands on the ring buffer
179  * @ring: amdgpu_ring structure holding ring information
182  * execute new commands on the ring buffer (all asics).
184 void amdgpu_ring_commit(struct amdgpu_ring *ring)  in amdgpu_ring_commit()  argument
188 	if (ring->count_dw < 0)  in amdgpu_ring_commit()
189 		DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n");  in amdgpu_ring_commit()
192 	count = ring->funcs->align_mask + 1 -  in amdgpu_ring_commit()
193 		(ring->wptr & ring->funcs->align_mask);  in amdgpu_ring_commit()
194 	count &= ring->funcs->align_mask;  in amdgpu_ring_commit()
197 		ring->funcs->insert_nop(ring, count);  in amdgpu_ring_commit()
200 	amdgpu_ring_set_wptr(ring);  in amdgpu_ring_commit()
202 	if (ring->funcs->end_use)  in amdgpu_ring_commit()
203 		ring->funcs->end_use(ring);  in amdgpu_ring_commit()
209  * @ring: amdgpu_ring structure holding ring information
213 void amdgpu_ring_undo(struct amdgpu_ring *ring)  in amdgpu_ring_undo()  argument
215 	ring->wptr = ring->wptr_old;  in amdgpu_ring_undo()
217 	if (ring->funcs->end_use)  in amdgpu_ring_undo()
218 		ring->funcs->end_use(ring);  in amdgpu_ring_undo()
221 #define amdgpu_ring_get_gpu_addr(ring, offset)				\  argument
222 	 (ring->adev->wb.gpu_addr + offset * 4)
224 #define amdgpu_ring_get_cpu_addr(ring, offset)				\  argument
225 	 (&ring->adev->wb.wb[offset])
228  * amdgpu_ring_init - init driver ring struct.
231  * @ring: amdgpu_ring structure holding ring information
232  * @max_dw: maximum number of dw for ring alloc
233  * @irq_src: interrupt source to use for this ring
234  * @irq_type: interrupt type to use for this ring
235  * @hw_prio: ring priority (NORMAL/HIGH)
238  * Initialize the driver information for the selected ring (all asics).
241 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,  in amdgpu_ring_init()  argument
256 	 * KIQ tasks get submitted directly to the ring.  in amdgpu_ring_init()
258 	if (ring->funcs->type == AMDGPU_RING_TYPE_KIQ)  in amdgpu_ring_init()
260 	if (ring->funcs->type == AMDGPU_RING_TYPE_MES)  in amdgpu_ring_init()
262 	else if (ring == &adev->sdma.instance[0].page)  in amdgpu_ring_init()
265 	if (ring->adev == NULL) {  in amdgpu_ring_init()
269 		ring->adev = adev;  in amdgpu_ring_init()
270 		ring->num_hw_submission = sched_hw_submission;  in amdgpu_ring_init()
271 		ring->sched_score = sched_score;  in amdgpu_ring_init()
272 		ring->vmid_wait = dma_fence_get_stub();  in amdgpu_ring_init()
274 		ring->idx = adev->num_rings++;  in amdgpu_ring_init()
275 		adev->rings[ring->idx] = ring;  in amdgpu_ring_init()
277 		r = amdgpu_fence_driver_init_ring(ring);  in amdgpu_ring_init()
282 	r = amdgpu_device_wb_get(adev, &ring->rptr_offs);  in amdgpu_ring_init()
284 		dev_err(adev->dev, "(%d) ring rptr_offs wb alloc failed\n", r);  in amdgpu_ring_init()
288 	r = amdgpu_device_wb_get(adev, &ring->wptr_offs);  in amdgpu_ring_init()
290 		dev_err(adev->dev, "(%d) ring wptr_offs wb alloc failed\n", r);  in amdgpu_ring_init()
294 	r = amdgpu_device_wb_get(adev, &ring->fence_offs);  in amdgpu_ring_init()
296 		dev_err(adev->dev, "(%d) ring fence_offs wb alloc failed\n", r);  in amdgpu_ring_init()
300 	r = amdgpu_device_wb_get(adev, &ring->trail_fence_offs);  in amdgpu_ring_init()
302 		dev_err(adev->dev, "(%d) ring trail_fence_offs wb alloc failed\n", r);  in amdgpu_ring_init()
306 	r = amdgpu_device_wb_get(adev, &ring->cond_exe_offs);  in amdgpu_ring_init()
308 		dev_err(adev->dev, "(%d) ring cond_exec_polling wb alloc failed\n", r);  in amdgpu_ring_init()
312 	ring->fence_gpu_addr =  in amdgpu_ring_init()
313 		amdgpu_ring_get_gpu_addr(ring, ring->fence_offs);  in amdgpu_ring_init()
314 	ring->fence_cpu_addr =  in amdgpu_ring_init()
315 		amdgpu_ring_get_cpu_addr(ring, ring->fence_offs);  in amdgpu_ring_init()
317 	ring->rptr_gpu_addr =  in amdgpu_ring_init()
318 		amdgpu_ring_get_gpu_addr(ring, ring->rptr_offs);  in amdgpu_ring_init()
319 	ring->rptr_cpu_addr =  in amdgpu_ring_init()
320 		amdgpu_ring_get_cpu_addr(ring, ring->rptr_offs);  in amdgpu_ring_init()
322 	ring->wptr_gpu_addr =  in amdgpu_ring_init()
323 		amdgpu_ring_get_gpu_addr(ring, ring->wptr_offs);  in amdgpu_ring_init()
324 	ring->wptr_cpu_addr =  in amdgpu_ring_init()
325 		amdgpu_ring_get_cpu_addr(ring, ring->wptr_offs);  in amdgpu_ring_init()
327 	ring->trail_fence_gpu_addr =  in amdgpu_ring_init()
328 		amdgpu_ring_get_gpu_addr(ring, ring->trail_fence_offs);  in amdgpu_ring_init()
329 	ring->trail_fence_cpu_addr =  in amdgpu_ring_init()
330 		amdgpu_ring_get_cpu_addr(ring, ring->trail_fence_offs);  in amdgpu_ring_init()
332 	ring->cond_exe_gpu_addr =  in amdgpu_ring_init()
333 		amdgpu_ring_get_gpu_addr(ring, ring->cond_exe_offs);  in amdgpu_ring_init()
334 	ring->cond_exe_cpu_addr =  in amdgpu_ring_init()
335 		amdgpu_ring_get_cpu_addr(ring, ring->cond_exe_offs);  in amdgpu_ring_init()
338 	*ring->cond_exe_cpu_addr = 1;  in amdgpu_ring_init()
340 	if (ring->funcs->type != AMDGPU_RING_TYPE_CPER) {  in amdgpu_ring_init()
341 		r = amdgpu_fence_driver_start_ring(ring, irq_src, irq_type);  in amdgpu_ring_init()
347 		max_ibs_dw = ring->funcs->emit_frame_size +  in amdgpu_ring_init()
348 			     amdgpu_ring_max_ibs(ring->funcs->type) * ring->funcs->emit_ib_size;  in amdgpu_ring_init()
349 		max_ibs_dw = (max_ibs_dw + ring->funcs->align_mask) & ~ring->funcs->align_mask;  in amdgpu_ring_init()
354 		ring->ring_size = roundup_pow_of_two(max_dw * 4 * sched_hw_submission);  in amdgpu_ring_init()
356 		ring->ring_size = roundup_pow_of_two(max_dw * 4);  in amdgpu_ring_init()
357 		ring->count_dw = (ring->ring_size - 4) >> 2;  in amdgpu_ring_init()
358 		/* ring buffer is empty now */  in amdgpu_ring_init()
359 		ring->wptr = *ring->rptr_cpu_addr = 0;  in amdgpu_ring_init()
362 	ring->buf_mask = (ring->ring_size / 4) - 1;  in amdgpu_ring_init()
363 	ring->ptr_mask = ring->funcs->support_64bit_ptrs ?  in amdgpu_ring_init()
364 		0xffffffffffffffff : ring->buf_mask;  in amdgpu_ring_init()
366 	ring->cached_rptr = 0;  in amdgpu_ring_init()
368 	if (!ring->ring_backup) {  in amdgpu_ring_init()
369 		ring->ring_backup = kvzalloc(ring->ring_size, GFP_KERNEL);  in amdgpu_ring_init()
370 		if (!ring->ring_backup)  in amdgpu_ring_init()
374 	/* Allocate ring buffer */  in amdgpu_ring_init()
375 	if (ring->ring_obj == NULL) {  in amdgpu_ring_init()
376 		r = amdgpu_bo_create_kernel(adev, ring->ring_size + ring->funcs->extra_bytes,  in amdgpu_ring_init()
379 					    &ring->ring_obj,  in amdgpu_ring_init()
380 					    &ring->gpu_addr,  in amdgpu_ring_init()
381 					    (void **)&ring->ring);  in amdgpu_ring_init()
383 			dev_err(adev->dev, "(%d) ring create failed\n", r);  in amdgpu_ring_init()
384 			kvfree(ring->ring_backup);  in amdgpu_ring_init()
387 		amdgpu_ring_clear_ring(ring);  in amdgpu_ring_init()
390 	ring->max_dw = max_dw;  in amdgpu_ring_init()
391 	ring->hw_prio = hw_prio;  in amdgpu_ring_init()
393 	if (!ring->no_scheduler && ring->funcs->type < AMDGPU_HW_IP_NUM) {  in amdgpu_ring_init()
394 		hw_ip = ring->funcs->type;  in amdgpu_ring_init()
397 			&ring->sched;  in amdgpu_ring_init()
404  * amdgpu_ring_fini - tear down the driver ring struct.
406  * @ring: amdgpu_ring structure holding ring information
408  * Tear down the driver information for the selected ring (all asics).
410 void amdgpu_ring_fini(struct amdgpu_ring *ring)  in amdgpu_ring_fini()  argument
413 	/* Not to finish a ring which is not initialized */  in amdgpu_ring_fini()
414 	if (!(ring->adev) || !(ring->adev->rings[ring->idx]))  in amdgpu_ring_fini()
417 	ring->sched.ready = false;  in amdgpu_ring_fini()
419 	amdgpu_device_wb_free(ring->adev, ring->rptr_offs);  in amdgpu_ring_fini()
420 	amdgpu_device_wb_free(ring->adev, ring->wptr_offs);  in amdgpu_ring_fini()
422 	amdgpu_device_wb_free(ring->adev, ring->cond_exe_offs);  in amdgpu_ring_fini()
423 	amdgpu_device_wb_free(ring->adev, ring->fence_offs);  in amdgpu_ring_fini()
425 	amdgpu_bo_free_kernel(&ring->ring_obj,  in amdgpu_ring_fini()
426 			      &ring->gpu_addr,  in amdgpu_ring_fini()
427 			      (void **)&ring->ring);  in amdgpu_ring_fini()
428 	kvfree(ring->ring_backup);  in amdgpu_ring_fini()
429 	ring->ring_backup = NULL;  in amdgpu_ring_fini()
431 	dma_fence_put(ring->vmid_wait);  in amdgpu_ring_fini()
432 	ring->vmid_wait = NULL;  in amdgpu_ring_fini()
433 	ring->me = 0;  in amdgpu_ring_fini()
437  * amdgpu_ring_emit_reg_write_reg_wait_helper - ring helper
439  * @ring: ring to write to
448 void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring,  in amdgpu_ring_emit_reg_write_reg_wait_helper()  argument
452 	amdgpu_ring_emit_wreg(ring, reg0, ref);  in amdgpu_ring_emit_reg_write_reg_wait_helper()
453 	amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask);  in amdgpu_ring_emit_reg_write_reg_wait_helper()
457  * amdgpu_ring_soft_recovery - try to soft recover a ring lockup
459  * @ring: ring to try the recovery on
463  * Tries to get a ring proceeding again when it is stuck.
465 bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,  in amdgpu_ring_soft_recovery()  argument
474 	if (amdgpu_sriov_vf(ring->adev) || !ring->funcs->soft_recovery || !fence)  in amdgpu_ring_soft_recovery()
484 		ring->funcs->soft_recovery(ring, vmid);  in amdgpu_ring_soft_recovery()
489 		atomic_inc(&ring->adev->gpu_reset_counter);  in amdgpu_ring_soft_recovery()
503 	struct amdgpu_ring *ring = file_inode(f)->i_private;  in amdgpu_ras_cper_debugfs_read()  local
533 	r = amdgpu_ras_mgr_handle_ras_cmd(ring->adev,  in amdgpu_ras_cper_debugfs_read()
547 	r = amdgpu_ras_mgr_handle_ras_cmd(ring->adev, RAS_CMD__GET_CPER_RECORD,  in amdgpu_ras_cper_debugfs_read()
564  * followed by n-words of ring data
569 	struct amdgpu_ring *ring = file_inode(f)->i_private;  in amdgpu_debugfs_ring_read()  local
575 	if (ring->funcs->type == AMDGPU_RING_TYPE_CPER && amdgpu_uniras_enabled(ring->adev))  in amdgpu_debugfs_ring_read()
584 		if (ring->funcs->type == AMDGPU_RING_TYPE_CPER)  in amdgpu_debugfs_ring_read()
585 			mutex_lock(&ring->adev->cper.ring_lock);  in amdgpu_debugfs_ring_read()
587 		early[0] = amdgpu_ring_get_rptr(ring) & ring->buf_mask;  in amdgpu_debugfs_ring_read()
588 		early[1] = amdgpu_ring_get_wptr(ring) & ring->buf_mask;  in amdgpu_debugfs_ring_read()
589 		early[2] = ring->wptr & ring->buf_mask;  in amdgpu_debugfs_ring_read()
603 	if (ring->funcs->type != AMDGPU_RING_TYPE_CPER) {  in amdgpu_debugfs_ring_read()
605 			if (*pos >= (ring->ring_size + 12))  in amdgpu_debugfs_ring_read()
608 			value = ring->ring[(*pos - 12)/4];  in amdgpu_debugfs_ring_read()
622 			size = ring->ring_size - (early[0] - early[1]);  in amdgpu_debugfs_ring_read()
628 			value = ring->ring[p];  in amdgpu_debugfs_ring_read()
639 			p &= ring->ptr_mask;  in amdgpu_debugfs_ring_read()
644 	if (ring->funcs->type == AMDGPU_RING_TYPE_CPER)  in amdgpu_debugfs_ring_read()
645 		mutex_unlock(&ring->adev->cper.ring_lock);  in amdgpu_debugfs_ring_read()
653 	struct amdgpu_ring *ring = file_inode(f)->i_private;  in amdgpu_debugfs_virt_ring_read()  local
658 	if (ring->funcs->type == AMDGPU_RING_TYPE_CPER)  in amdgpu_debugfs_virt_ring_read()
659 		amdgpu_virt_req_ras_cper_dump(ring->adev, false);  in amdgpu_debugfs_virt_ring_read()
679 	struct amdgpu_ring *ring = file_inode(f)->i_private;  in amdgpu_debugfs_mqd_read()  local
680 	ssize_t bytes = min_t(ssize_t, ring->mqd_size - *pos, size);  in amdgpu_debugfs_mqd_read()
681 	void *from = ((u8 *)ring->mqd_ptr) + *pos;  in amdgpu_debugfs_mqd_read()
683 	if (*pos > ring->mqd_size)  in amdgpu_debugfs_mqd_read()
701 	struct amdgpu_ring *ring = data;  in amdgpu_debugfs_ring_error()  local
703 	amdgpu_fence_driver_set_error(ring, val);  in amdgpu_debugfs_ring_error()
713 			      struct amdgpu_ring *ring)  in amdgpu_debugfs_ring_init()  argument
720 	sprintf(name, "amdgpu_ring_%s", ring->name);  in amdgpu_debugfs_ring_init()
722 		debugfs_create_file_size(name, S_IFREG | 0444, root, ring,  in amdgpu_debugfs_ring_init()
724 					 ring->ring_size + 12);  in amdgpu_debugfs_ring_init()
726 		debugfs_create_file_size(name, S_IFREG | 0444, root, ring,  in amdgpu_debugfs_ring_init()
728 					 ring->ring_size + 12);  in amdgpu_debugfs_ring_init()
730 	if (ring->mqd_obj) {  in amdgpu_debugfs_ring_init()
731 		sprintf(name, "amdgpu_mqd_%s", ring->name);  in amdgpu_debugfs_ring_init()
732 		debugfs_create_file_size(name, S_IFREG | 0444, root, ring,  in amdgpu_debugfs_ring_init()
734 					 ring->mqd_size);  in amdgpu_debugfs_ring_init()
737 	sprintf(name, "amdgpu_error_%s", ring->name);  in amdgpu_debugfs_ring_init()
738 	debugfs_create_file(name, 0200, root, ring,  in amdgpu_debugfs_ring_init()
745  * amdgpu_ring_test_helper - tests ring and set sched readiness status
747  * @ring: ring to try the recovery on
749  * Tests ring and set sched readiness status
753 int amdgpu_ring_test_helper(struct amdgpu_ring *ring)  in amdgpu_ring_test_helper()  argument
755 	struct amdgpu_device *adev = ring->adev;  in amdgpu_ring_test_helper()
758 	r = amdgpu_ring_test_ring(ring);  in amdgpu_ring_test_helper()
760 		DRM_DEV_ERROR(adev->dev, "ring %s test failed (%d)\n",  in amdgpu_ring_test_helper()
761 			      ring->name, r);  in amdgpu_ring_test_helper()
763 		DRM_DEV_DEBUG(adev->dev, "ring test on %s succeeded\n",  in amdgpu_ring_test_helper()
764 			      ring->name);  in amdgpu_ring_test_helper()
766 	ring->sched.ready = !r;  in amdgpu_ring_test_helper()
771 static void amdgpu_ring_to_mqd_prop(struct amdgpu_ring *ring,  in amdgpu_ring_to_mqd_prop()  argument
774 	struct amdgpu_device *adev = ring->adev;  in amdgpu_ring_to_mqd_prop()
775 	bool is_high_prio_compute = ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE &&  in amdgpu_ring_to_mqd_prop()
776 				    amdgpu_gfx_is_high_priority_compute_queue(adev, ring);  in amdgpu_ring_to_mqd_prop()
777 	bool is_high_prio_gfx = ring->funcs->type == AMDGPU_RING_TYPE_GFX &&  in amdgpu_ring_to_mqd_prop()
778 				amdgpu_gfx_is_high_priority_graphics_queue(adev, ring);  in amdgpu_ring_to_mqd_prop()
782 	prop->mqd_gpu_addr = ring->mqd_gpu_addr;  in amdgpu_ring_to_mqd_prop()
783 	prop->hqd_base_gpu_addr = ring->gpu_addr;  in amdgpu_ring_to_mqd_prop()
784 	prop->rptr_gpu_addr = ring->rptr_gpu_addr;  in amdgpu_ring_to_mqd_prop()
785 	prop->wptr_gpu_addr = ring->wptr_gpu_addr;  in amdgpu_ring_to_mqd_prop()
786 	prop->queue_size = ring->ring_size;  in amdgpu_ring_to_mqd_prop()
787 	prop->eop_gpu_addr = ring->eop_gpu_addr;  in amdgpu_ring_to_mqd_prop()
788 	prop->use_doorbell = ring->use_doorbell;  in amdgpu_ring_to_mqd_prop()
789 	prop->doorbell_index = ring->doorbell_index;  in amdgpu_ring_to_mqd_prop()
795 	prop->hqd_active = ring->funcs->type == AMDGPU_RING_TYPE_KIQ;  in amdgpu_ring_to_mqd_prop()
804 int amdgpu_ring_init_mqd(struct amdgpu_ring *ring)  in amdgpu_ring_init_mqd()  argument
806 	struct amdgpu_device *adev = ring->adev;  in amdgpu_ring_init_mqd()
810 	amdgpu_ring_to_mqd_prop(ring, &prop);  in amdgpu_ring_init_mqd()
812 	ring->wptr = 0;  in amdgpu_ring_init_mqd()
814 	if (ring->funcs->type == AMDGPU_RING_TYPE_KIQ)  in amdgpu_ring_init_mqd()
817 		mqd_mgr = &adev->mqds[ring->funcs->type];  in amdgpu_ring_init_mqd()
819 	return mqd_mgr->init_mqd(adev, ring->mqd_ptr, &prop);  in amdgpu_ring_init_mqd()
822 void amdgpu_ring_ib_begin(struct amdgpu_ring *ring)  in amdgpu_ring_ib_begin()  argument
824 	if (ring->is_sw_ring)  in amdgpu_ring_ib_begin()
825 		amdgpu_sw_ring_ib_begin(ring);  in amdgpu_ring_ib_begin()
828 void amdgpu_ring_ib_end(struct amdgpu_ring *ring)  in amdgpu_ring_ib_end()  argument
830 	if (ring->is_sw_ring)  in amdgpu_ring_ib_end()
831 		amdgpu_sw_ring_ib_end(ring);  in amdgpu_ring_ib_end()
834 void amdgpu_ring_ib_on_emit_cntl(struct amdgpu_ring *ring)  in amdgpu_ring_ib_on_emit_cntl()  argument
836 	if (ring->is_sw_ring)  in amdgpu_ring_ib_on_emit_cntl()
837 		amdgpu_sw_ring_ib_mark_offset(ring, AMDGPU_MUX_OFFSET_TYPE_CONTROL);  in amdgpu_ring_ib_on_emit_cntl()
840 void amdgpu_ring_ib_on_emit_ce(struct amdgpu_ring *ring)  in amdgpu_ring_ib_on_emit_ce()  argument
842 	if (ring->is_sw_ring)  in amdgpu_ring_ib_on_emit_ce()
843 		amdgpu_sw_ring_ib_mark_offset(ring, AMDGPU_MUX_OFFSET_TYPE_CE);  in amdgpu_ring_ib_on_emit_ce()
846 void amdgpu_ring_ib_on_emit_de(struct amdgpu_ring *ring)  in amdgpu_ring_ib_on_emit_de()  argument
848 	if (ring->is_sw_ring)  in amdgpu_ring_ib_on_emit_de()
849 		amdgpu_sw_ring_ib_mark_offset(ring, AMDGPU_MUX_OFFSET_TYPE_DE);  in amdgpu_ring_ib_on_emit_de()
852 bool amdgpu_ring_sched_ready(struct amdgpu_ring *ring)  in amdgpu_ring_sched_ready()  argument
854 	if (!ring)  in amdgpu_ring_sched_ready()
857 	if (ring->no_scheduler || !drm_sched_wqueue_ready(&ring->sched))  in amdgpu_ring_sched_ready()
863 void amdgpu_ring_reset_helper_begin(struct amdgpu_ring *ring,  in amdgpu_ring_reset_helper_begin()  argument
866 	/* Stop the scheduler to prevent anybody else from touching the ring buffer. */  in amdgpu_ring_reset_helper_begin()
867 	drm_sched_wqueue_stop(&ring->sched);  in amdgpu_ring_reset_helper_begin()
869 	amdgpu_ring_backup_unprocessed_commands(ring, guilty_fence);  in amdgpu_ring_reset_helper_begin()
872 int amdgpu_ring_reset_helper_end(struct amdgpu_ring *ring,  in amdgpu_ring_reset_helper_end()  argument
878 	/* verify that the ring is functional */  in amdgpu_ring_reset_helper_end()
879 	r = amdgpu_ring_test_ring(ring);  in amdgpu_ring_reset_helper_end()
887 	if (ring->ring_backup_entries_to_copy) {  in amdgpu_ring_reset_helper_end()
888 		amdgpu_ring_alloc_reemit(ring, ring->ring_backup_entries_to_copy);  in amdgpu_ring_reset_helper_end()
889 		for (i = 0; i < ring->ring_backup_entries_to_copy; i++)  in amdgpu_ring_reset_helper_end()
890 			amdgpu_ring_write(ring, ring->ring_backup[i]);  in amdgpu_ring_reset_helper_end()
891 		amdgpu_ring_commit(ring);  in amdgpu_ring_reset_helper_end()
894 	drm_sched_wqueue_start(&ring->sched);  in amdgpu_ring_reset_helper_end()
898 bool amdgpu_ring_is_reset_type_supported(struct amdgpu_ring *ring,  in amdgpu_ring_is_reset_type_supported()  argument
901 	switch (ring->funcs->type) {  in amdgpu_ring_is_reset_type_supported()
903 		if (ring->adev->gfx.gfx_supported_reset & reset_type)  in amdgpu_ring_is_reset_type_supported()
907 		if (ring->adev->gfx.compute_supported_reset & reset_type)  in amdgpu_ring_is_reset_type_supported()
911 		if (ring->adev->sdma.supported_reset & reset_type)  in amdgpu_ring_is_reset_type_supported()
916 		if (ring->adev->vcn.supported_reset & reset_type)  in amdgpu_ring_is_reset_type_supported()
920 		if (ring->adev->jpeg.supported_reset & reset_type)  in amdgpu_ring_is_reset_type_supported()