51 				    struct amdgpu_ring *ring);
52 static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring);
64 int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw)  in amdgpu_ring_alloc()  argument
68 	ndw = (ndw + ring->funcs->align_mask) & ~ring->funcs->align_mask;  in amdgpu_ring_alloc()
73 	if (WARN_ON_ONCE(ndw > ring->max_dw))  in amdgpu_ring_alloc()
76 	ring->count_dw = ndw;  in amdgpu_ring_alloc()
77 	ring->wptr_old = ring->wptr;  in amdgpu_ring_alloc()
79 	if (ring->funcs->begin_use)  in amdgpu_ring_alloc()
80 		ring->funcs->begin_use(ring);  in amdgpu_ring_alloc()
92 void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)  in amdgpu_ring_insert_nop()  argument
97 		amdgpu_ring_write(ring, ring->funcs->nop);  in amdgpu_ring_insert_nop()
107 void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)  in amdgpu_ring_generic_pad_ib()  argument
109 	while (ib->length_dw & ring->funcs->align_mask)  in amdgpu_ring_generic_pad_ib()
110 		ib->ptr[ib->length_dw++] = ring->funcs->nop;  in amdgpu_ring_generic_pad_ib()
123 void amdgpu_ring_commit(struct amdgpu_ring *ring)  in amdgpu_ring_commit()  argument
128 	count = ring->funcs->align_mask + 1 -  in amdgpu_ring_commit()
129 		(ring->wptr & ring->funcs->align_mask);  in amdgpu_ring_commit()
130 	count %= ring->funcs->align_mask + 1;  in amdgpu_ring_commit()
131 	ring->funcs->insert_nop(ring, count);  in amdgpu_ring_commit()
134 	amdgpu_ring_set_wptr(ring);  in amdgpu_ring_commit()
136 	if (ring->funcs->end_use)  in amdgpu_ring_commit()
137 		ring->funcs->end_use(ring);  in amdgpu_ring_commit()
139 	if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ)  in amdgpu_ring_commit()
140 		amdgpu_ring_lru_touch(ring->adev, ring);  in amdgpu_ring_commit()
150 void amdgpu_ring_undo(struct amdgpu_ring *ring)  in amdgpu_ring_undo()  argument
152 	ring->wptr = ring->wptr_old;  in amdgpu_ring_undo()
154 	if (ring->funcs->end_use)  in amdgpu_ring_undo()
155 		ring->funcs->end_use(ring);  in amdgpu_ring_undo()
166 void amdgpu_ring_priority_put(struct amdgpu_ring *ring,  in amdgpu_ring_priority_put()  argument
171 	if (!ring->funcs->set_priority)  in amdgpu_ring_priority_put()
174 	if (atomic_dec_return(&ring->num_jobs[priority]) > 0)  in amdgpu_ring_priority_put()
181 	mutex_lock(&ring->priority_mutex);  in amdgpu_ring_priority_put()
183 	if (ring->priority > priority)  in amdgpu_ring_priority_put()
189 				|| atomic_read(&ring->num_jobs[i])) {  in amdgpu_ring_priority_put()
190 			ring->priority = i;  in amdgpu_ring_priority_put()
191 			ring->funcs->set_priority(ring, i);  in amdgpu_ring_priority_put()
197 	mutex_unlock(&ring->priority_mutex);  in amdgpu_ring_priority_put()
208 void amdgpu_ring_priority_get(struct amdgpu_ring *ring,  in amdgpu_ring_priority_get()  argument
211 	if (!ring->funcs->set_priority)  in amdgpu_ring_priority_get()
214 	if (atomic_inc_return(&ring->num_jobs[priority]) <= 0)  in amdgpu_ring_priority_get()
217 	mutex_lock(&ring->priority_mutex);  in amdgpu_ring_priority_get()
218 	if (priority <= ring->priority)  in amdgpu_ring_priority_get()
221 	ring->priority = priority;  in amdgpu_ring_priority_get()
222 	ring->funcs->set_priority(ring, priority);  in amdgpu_ring_priority_get()
225 	mutex_unlock(&ring->priority_mutex);  in amdgpu_ring_priority_get()
239 int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,  in amdgpu_ring_init()  argument
252 	if (ring->funcs->type == AMDGPU_RING_TYPE_KIQ)  in amdgpu_ring_init()
255 	if (ring->adev == NULL) {  in amdgpu_ring_init()
259 		ring->adev = adev;  in amdgpu_ring_init()
260 		ring->idx = adev->num_rings++;  in amdgpu_ring_init()
261 		adev->rings[ring->idx] = ring;  in amdgpu_ring_init()
262 		r = amdgpu_fence_driver_init_ring(ring, sched_hw_submission);  in amdgpu_ring_init()
267 	r = amdgpu_device_wb_get(adev, &ring->rptr_offs);  in amdgpu_ring_init()
273 	r = amdgpu_device_wb_get(adev, &ring->wptr_offs);  in amdgpu_ring_init()
279 	r = amdgpu_device_wb_get(adev, &ring->fence_offs);  in amdgpu_ring_init()
285 	r = amdgpu_device_wb_get(adev, &ring->cond_exe_offs);  in amdgpu_ring_init()
290 	ring->cond_exe_gpu_addr = adev->wb.gpu_addr + (ring->cond_exe_offs * 4);  in amdgpu_ring_init()
291 	ring->cond_exe_cpu_addr = &adev->wb.wb[ring->cond_exe_offs];  in amdgpu_ring_init()
293 	*ring->cond_exe_cpu_addr = 1;  in amdgpu_ring_init()
295 	r = amdgpu_fence_driver_start_ring(ring, irq_src, irq_type);  in amdgpu_ring_init()
301 	ring->ring_size = roundup_pow_of_two(max_dw * 4 * sched_hw_submission);  in amdgpu_ring_init()
303 	ring->buf_mask = (ring->ring_size / 4) - 1;  in amdgpu_ring_init()
304 	ring->ptr_mask = ring->funcs->support_64bit_ptrs ?  in amdgpu_ring_init()
305 		0xffffffffffffffff : ring->buf_mask;  in amdgpu_ring_init()
307 	if (ring->ring_obj == NULL) {  in amdgpu_ring_init()
308 		r = amdgpu_bo_create_kernel(adev, ring->ring_size + ring->funcs->extra_dw, PAGE_SIZE,  in amdgpu_ring_init()
310 					    &ring->ring_obj,  in amdgpu_ring_init()
311 					    &ring->gpu_addr,  in amdgpu_ring_init()
312 					    (void **)&ring->ring);  in amdgpu_ring_init()
317 		amdgpu_ring_clear_ring(ring);  in amdgpu_ring_init()
320 	ring->max_dw = max_dw;  in amdgpu_ring_init()
321 	ring->priority = DRM_SCHED_PRIORITY_NORMAL;  in amdgpu_ring_init()
322 	mutex_init(&ring->priority_mutex);  in amdgpu_ring_init()
323 	INIT_LIST_HEAD(&ring->lru_list);  in amdgpu_ring_init()
324 	amdgpu_ring_lru_touch(adev, ring);  in amdgpu_ring_init()
327 		atomic_set(&ring->num_jobs[i], 0);  in amdgpu_ring_init()
329 	if (amdgpu_debugfs_ring_init(adev, ring)) {  in amdgpu_ring_init()
344 void amdgpu_ring_fini(struct amdgpu_ring *ring)  in amdgpu_ring_fini()  argument
346 	ring->ready = false;  in amdgpu_ring_fini()
349 	if (!(ring->adev) || !(ring->adev->rings[ring->idx]))  in amdgpu_ring_fini()
352 	amdgpu_device_wb_free(ring->adev, ring->rptr_offs);  in amdgpu_ring_fini()
353 	amdgpu_device_wb_free(ring->adev, ring->wptr_offs);  in amdgpu_ring_fini()
355 	amdgpu_device_wb_free(ring->adev, ring->cond_exe_offs);  in amdgpu_ring_fini()
356 	amdgpu_device_wb_free(ring->adev, ring->fence_offs);  in amdgpu_ring_fini()
358 	amdgpu_bo_free_kernel(&ring->ring_obj,  in amdgpu_ring_fini()
359 			      &ring->gpu_addr,  in amdgpu_ring_fini()
360 			      (void **)&ring->ring);  in amdgpu_ring_fini()
362 	amdgpu_debugfs_ring_fini(ring);  in amdgpu_ring_fini()
364 	dma_fence_put(ring->vmid_wait);  in amdgpu_ring_fini()
365 	ring->vmid_wait = NULL;  in amdgpu_ring_fini()
366 	ring->me = 0;  in amdgpu_ring_fini()
368 	ring->adev->rings[ring->idx] = NULL;  in amdgpu_ring_fini()
372 					 struct amdgpu_ring *ring)  in amdgpu_ring_lru_touch_locked()  argument
375 	list_move_tail(&ring->lru_list, &adev->ring_lru_list);  in amdgpu_ring_lru_touch_locked()
378 static bool amdgpu_ring_is_blacklisted(struct amdgpu_ring *ring,  in amdgpu_ring_is_blacklisted()  argument
384 		if (ring->idx == blacklist[i])  in amdgpu_ring_is_blacklisted()
407 			bool lru_pipe_order, struct amdgpu_ring **ring)  in amdgpu_ring_lru_get()  argument
413 	*ring = NULL;  in amdgpu_ring_lru_get()
422 		if (!*ring) {  in amdgpu_ring_lru_get()
423 			*ring = entry;  in amdgpu_ring_lru_get()
431 		if (entry->pipe == (*ring)->pipe)  in amdgpu_ring_lru_get()
436 	if (*ring)  in amdgpu_ring_lru_get()
437 		amdgpu_ring_lru_touch_locked(adev, *ring);  in amdgpu_ring_lru_get()
441 	if (!*ring) {  in amdgpu_ring_lru_get()
457 void amdgpu_ring_lru_touch(struct amdgpu_device *adev, struct amdgpu_ring *ring)  in amdgpu_ring_lru_touch()  argument
460 	amdgpu_ring_lru_touch_locked(adev, ring);  in amdgpu_ring_lru_touch()
476 void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring,  in amdgpu_ring_emit_reg_write_reg_wait_helper()  argument
480 	amdgpu_ring_emit_wreg(ring, reg0, ref);  in amdgpu_ring_emit_reg_write_reg_wait_helper()
481 	amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask);  in amdgpu_ring_emit_reg_write_reg_wait_helper()
499 	struct amdgpu_ring *ring = file_inode(f)->i_private;  in amdgpu_debugfs_ring_read()  local
509 		early[0] = amdgpu_ring_get_rptr(ring) & ring->buf_mask;  in amdgpu_debugfs_ring_read()
510 		early[1] = amdgpu_ring_get_wptr(ring) & ring->buf_mask;  in amdgpu_debugfs_ring_read()
511 		early[2] = ring->wptr & ring->buf_mask;  in amdgpu_debugfs_ring_read()
524 		if (*pos >= (ring->ring_size + 12))  in amdgpu_debugfs_ring_read()
527 		value = ring->ring[(*pos - 12)/4];  in amdgpu_debugfs_ring_read()
549 				    struct amdgpu_ring *ring)  in amdgpu_debugfs_ring_init()  argument
556 	sprintf(name, "amdgpu_ring_%s", ring->name);  in amdgpu_debugfs_ring_init()
560 				  ring, &amdgpu_debugfs_ring_fops);  in amdgpu_debugfs_ring_init()
564 	i_size_write(ent->d_inode, ring->ring_size + 12);  in amdgpu_debugfs_ring_init()
565 	ring->ent = ent;  in amdgpu_debugfs_ring_init()
570 static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring)  in amdgpu_debugfs_ring_fini()  argument
573 	debugfs_remove(ring->ent);  in amdgpu_debugfs_ring_fini()