35  * exynos_drm_ipp_register - Register a new picture processor hardware module
59 	spin_lock_init(&ipp->lock);  in exynos_drm_ipp_register()
60 	INIT_LIST_HEAD(&ipp->todo_list);  in exynos_drm_ipp_register()
61 	init_waitqueue_head(&ipp->done_wq);  in exynos_drm_ipp_register()
62 	ipp->dev = dev;  in exynos_drm_ipp_register()
63 	ipp->funcs = funcs;  in exynos_drm_ipp_register()
64 	ipp->capabilities = caps;  in exynos_drm_ipp_register()
65 	ipp->name = name;  in exynos_drm_ipp_register()
66 	ipp->formats = formats;  in exynos_drm_ipp_register()
67 	ipp->num_formats = num_formats;  in exynos_drm_ipp_register()
70 	list_add_tail(&ipp->head, &ipp_list);  in exynos_drm_ipp_register()
71 	ipp->id = num_ipp++;  in exynos_drm_ipp_register()
73 	DRM_DEV_DEBUG_DRIVER(dev, "Registered ipp %d\n", ipp->id);  in exynos_drm_ipp_register()
79  * exynos_drm_ipp_unregister - Unregister the picture processor module
86 	WARN_ON(ipp->task);  in exynos_drm_ipp_unregister()
87 	WARN_ON(!list_empty(&ipp->todo_list));  in exynos_drm_ipp_unregister()
88 	list_del(&ipp->head);  in exynos_drm_ipp_unregister()
92  * exynos_drm_ipp_get_res_ioctl - enumerate all ipp modules
110 						(unsigned long)resp->ipp_id_ptr;  in exynos_drm_ipp_get_res_ioctl()
117 	if (count && resp->count_ipps >= count) {  in exynos_drm_ipp_get_res_ioctl()
119 			if (put_user(ipp->id, ipp_ptr + copied))  in exynos_drm_ipp_get_res_ioctl()
120 				return -EFAULT;  in exynos_drm_ipp_get_res_ioctl()
124 	resp->count_ipps = count;  in exynos_drm_ipp_get_res_ioctl()
134 		if (ipp->id == id)  in __ipp_get()
140  * exynos_drm_ipp_get_caps_ioctl - get ipp module capabilities and formats
156 	void __user *ptr = (void __user *)(unsigned long)resp->formats_ptr;  in exynos_drm_ipp_get_caps_ioctl()
160 	ipp = __ipp_get(resp->ipp_id);  in exynos_drm_ipp_get_caps_ioctl()
162 		return -ENOENT;  in exynos_drm_ipp_get_caps_ioctl()
164 	resp->ipp_id = ipp->id;  in exynos_drm_ipp_get_caps_ioctl()
165 	resp->capabilities = ipp->capabilities;  in exynos_drm_ipp_get_caps_ioctl()
171 	if (resp->formats_count >= ipp->num_formats) {  in exynos_drm_ipp_get_caps_ioctl()
172 		for (i = 0; i < ipp->num_formats; i++) {  in exynos_drm_ipp_get_caps_ioctl()
174 				.fourcc = ipp->formats[i].fourcc,  in exynos_drm_ipp_get_caps_ioctl()
175 				.type = ipp->formats[i].type,  in exynos_drm_ipp_get_caps_ioctl()
176 				.modifier = ipp->formats[i].modifier,  in exynos_drm_ipp_get_caps_ioctl()
180 				return -EFAULT;  in exynos_drm_ipp_get_caps_ioctl()
184 	resp->formats_count = ipp->num_formats;  in exynos_drm_ipp_get_caps_ioctl()
195 	for (i = 0; i < ipp->num_formats; i++) {  in __ipp_format_get()
196 		if ((ipp->formats[i].type & type) &&  in __ipp_format_get()
197 		    ipp->formats[i].fourcc == fourcc &&  in __ipp_format_get()
198 		    ipp->formats[i].modifier == mod)  in __ipp_format_get()
199 			return &ipp->formats[i];  in __ipp_format_get()
205  * exynos_drm_ipp_get_limits_ioctl - get ipp module limits
222 	void __user *ptr = (void __user *)(unsigned long)resp->limits_ptr;  in exynos_drm_ipp_get_limits_ioctl()
226 	if (resp->type != DRM_EXYNOS_IPP_FORMAT_SOURCE &&  in exynos_drm_ipp_get_limits_ioctl()
227 	    resp->type != DRM_EXYNOS_IPP_FORMAT_DESTINATION)  in exynos_drm_ipp_get_limits_ioctl()
228 		return -EINVAL;  in exynos_drm_ipp_get_limits_ioctl()
230 	ipp = __ipp_get(resp->ipp_id);  in exynos_drm_ipp_get_limits_ioctl()
232 		return -ENOENT;  in exynos_drm_ipp_get_limits_ioctl()
234 	format = __ipp_format_get(ipp, resp->fourcc, resp->modifier,  in exynos_drm_ipp_get_limits_ioctl()
235 				  resp->type);  in exynos_drm_ipp_get_limits_ioctl()
237 		return -EINVAL;  in exynos_drm_ipp_get_limits_ioctl()
243 	if (format->num_limits && resp->limits_count >= format->num_limits)  in exynos_drm_ipp_get_limits_ioctl()
244 		if (copy_to_user((void __user *)ptr, format->limits,  in exynos_drm_ipp_get_limits_ioctl()
245 				 sizeof(*format->limits) * format->num_limits))  in exynos_drm_ipp_get_limits_ioctl()
246 			return -EFAULT;  in exynos_drm_ipp_get_limits_ioctl()
247 	resp->limits_count = format->num_limits;  in exynos_drm_ipp_get_limits_ioctl()
266 	task->dev = ipp->dev;  in exynos_drm_ipp_task_alloc()
267 	task->ipp = ipp;  in exynos_drm_ipp_task_alloc()
270 	task->src.rect.w = task->dst.rect.w = UINT_MAX;  in exynos_drm_ipp_task_alloc()
271 	task->src.rect.h = task->dst.rect.h = UINT_MAX;  in exynos_drm_ipp_task_alloc()
272 	task->transform.rotation = DRM_MODE_ROTATE_0;  in exynos_drm_ipp_task_alloc()
274 	DRM_DEV_DEBUG_DRIVER(task->dev, "Allocated task %pK\n", task);  in exynos_drm_ipp_task_alloc()
317 	void __user *params = (void __user *)(unsigned long)arg->params_ptr;  in exynos_drm_ipp_task_set()
318 	unsigned int size = arg->params_size;  in exynos_drm_ipp_task_set()
324 			return -EFAULT;  in exynos_drm_ipp_task_set()
331 			return -EINVAL;  in exynos_drm_ipp_task_set()
335 			return -EFAULT;  in exynos_drm_ipp_task_set()
338 		size -= map[i].size;  in exynos_drm_ipp_task_set()
341 	DRM_DEV_DEBUG_DRIVER(task->dev,  in exynos_drm_ipp_task_set()
342 			     "Got task %pK configuration from userspace\n",  in exynos_drm_ipp_task_set()
354 	for (i = 0; i < buf->format->num_planes; i++) {  in exynos_drm_ipp_task_setup_buffer()
355 		unsigned int height = (i == 0) ? buf->buf.height :  in exynos_drm_ipp_task_setup_buffer()
356 			     DIV_ROUND_UP(buf->buf.height, buf->format->vsub);  in exynos_drm_ipp_task_setup_buffer()
357 		unsigned long size = height * buf->buf.pitch[i];  in exynos_drm_ipp_task_setup_buffer()
359 							    buf->buf.gem_id[i]);  in exynos_drm_ipp_task_setup_buffer()
361 			ret = -ENOENT;  in exynos_drm_ipp_task_setup_buffer()
364 		buf->exynos_gem[i] = gem;  in exynos_drm_ipp_task_setup_buffer()
366 		if (size + buf->buf.offset[i] > buf->exynos_gem[i]->size) {  in exynos_drm_ipp_task_setup_buffer()
368 			ret = -EINVAL;  in exynos_drm_ipp_task_setup_buffer()
371 		buf->dma_addr[i] = buf->exynos_gem[i]->dma_addr +  in exynos_drm_ipp_task_setup_buffer()
372 				   buf->buf.offset[i];  in exynos_drm_ipp_task_setup_buffer()
377 	while (i--) {  in exynos_drm_ipp_task_setup_buffer()
378 		exynos_drm_gem_put(buf->exynos_gem[i]);  in exynos_drm_ipp_task_setup_buffer()
379 		buf->exynos_gem[i] = NULL;  in exynos_drm_ipp_task_setup_buffer()
388 	if (!buf->exynos_gem[0])  in exynos_drm_ipp_task_release_buf()
390 	for (i = 0; i < buf->format->num_planes; i++)  in exynos_drm_ipp_task_release_buf()
391 		exynos_drm_gem_put(buf->exynos_gem[i]);  in exynos_drm_ipp_task_release_buf()
397 	DRM_DEV_DEBUG_DRIVER(task->dev, "Freeing task %pK\n", task);  in exynos_drm_ipp_task_free()
399 	exynos_drm_ipp_task_release_buf(&task->src);  in exynos_drm_ipp_task_free()
400 	exynos_drm_ipp_task_release_buf(&task->dst);  in exynos_drm_ipp_task_free()
401 	if (task->event)  in exynos_drm_ipp_task_free()
402 		drm_event_cancel_free(ipp->drm_dev, &task->event->base);  in exynos_drm_ipp_task_free()
439 		for (l = limits; l - limits < num_limits; l++) {  in __get_size_limit()
440 			if (((l->type & DRM_EXYNOS_IPP_LIMIT_TYPE_MASK) !=  in __get_size_limit()
442 			    ((l->type & DRM_EXYNOS_IPP_LIMIT_SIZE_MASK) !=  in __get_size_limit()
445 			__limit_set_val(&res->h.min, l->h.min);  in __get_size_limit()
446 			__limit_set_val(&res->h.max, l->h.max);  in __get_size_limit()
447 			__limit_set_val(&res->h.align, l->h.align);  in __get_size_limit()
448 			__limit_set_val(&res->v.min, l->v.min);  in __get_size_limit()
449 			__limit_set_val(&res->v.max, l->v.max);  in __get_size_limit()
450 			__limit_set_val(&res->v.align, l->v.align);  in __get_size_limit()
456 	if (align && (val & (align - 1))) {  in __align_check()
467 	if ((l->min && val < l->min) || (l->max && val > l->max)) {  in __size_limit_check()
469 				 val, l->min, l->max);  in __size_limit_check()
472 	return __align_check(val, l->align);  in __size_limit_check()
482 	int real_width = buf->buf.pitch[0] / buf->format->cpp[0];  in exynos_drm_ipp_check_size_limits()
489 	    !__size_limit_check(buf->buf.height, &l.v))  in exynos_drm_ipp_check_size_limits()
490 		return -EINVAL;  in exynos_drm_ipp_check_size_limits()
497 	if (!__size_limit_check(buf->rect.w, lh) ||  in exynos_drm_ipp_check_size_limits()
498 	    !__align_check(buf->rect.x, lh->align) ||  in exynos_drm_ipp_check_size_limits()
499 	    !__size_limit_check(buf->rect.h, lv) ||  in exynos_drm_ipp_check_size_limits()
500 	    !__align_check(buf->rect.y, lv->align))  in exynos_drm_ipp_check_size_limits()
501 		return -EINVAL;  in exynos_drm_ipp_check_size_limits()
529 	for (; num_limits; limits++, num_limits--)  in exynos_drm_ipp_check_scale_limits()
530 		if ((limits->type & DRM_EXYNOS_IPP_LIMIT_TYPE_MASK) ==  in exynos_drm_ipp_check_scale_limits()
536 	lh = (!swap) ? &limits->h : &limits->v;  in exynos_drm_ipp_check_scale_limits()
537 	lv = (!swap) ? &limits->v : &limits->h;  in exynos_drm_ipp_check_scale_limits()
538 	dw = (!swap) ? dst->w : dst->h;  in exynos_drm_ipp_check_scale_limits()
539 	dh = (!swap) ? dst->h : dst->w;  in exynos_drm_ipp_check_scale_limits()
541 	if (!__scale_limit_check(src->w, dw, lh->min, lh->max) ||  in exynos_drm_ipp_check_scale_limits()
542 	    !__scale_limit_check(src->h, dh, lv->min, lv->max))  in exynos_drm_ipp_check_scale_limits()
543 		return -EINVAL;  in exynos_drm_ipp_check_scale_limits()
557 	fmt = __ipp_format_get(task->ipp, buf->buf.fourcc, buf->buf.modifier,  in exynos_drm_ipp_check_format()
561 		DRM_DEV_DEBUG_DRIVER(task->dev,  in exynos_drm_ipp_check_format()
562 				     "Task %pK: %s format not supported\n",  in exynos_drm_ipp_check_format()
564 		return -EINVAL;  in exynos_drm_ipp_check_format()
568 	if (buf->buf.width == 0 || buf->buf.height == 0)  in exynos_drm_ipp_check_format()
569 		return -EINVAL;  in exynos_drm_ipp_check_format()
571 	buf->format = drm_format_info(buf->buf.fourcc);  in exynos_drm_ipp_check_format()
572 	for (i = 0; i < buf->format->num_planes; i++) {  in exynos_drm_ipp_check_format()
573 		unsigned int width = (i == 0) ? buf->buf.width :  in exynos_drm_ipp_check_format()
574 			     DIV_ROUND_UP(buf->buf.width, buf->format->hsub);  in exynos_drm_ipp_check_format()
576 		if (buf->buf.pitch[i] == 0)  in exynos_drm_ipp_check_format()
577 			buf->buf.pitch[i] = width * buf->format->cpp[i];  in exynos_drm_ipp_check_format()
578 		if (buf->buf.pitch[i] < width * buf->format->cpp[i])  in exynos_drm_ipp_check_format()
579 			return -EINVAL;  in exynos_drm_ipp_check_format()
580 		if (!buf->buf.gem_id[i])  in exynos_drm_ipp_check_format()
581 			return -ENOENT;  in exynos_drm_ipp_check_format()
585 	if (buf->format->num_planes > 2 &&  in exynos_drm_ipp_check_format()
586 	    buf->buf.pitch[1] != buf->buf.pitch[2])  in exynos_drm_ipp_check_format()
587 		return -EINVAL;  in exynos_drm_ipp_check_format()
590 	ret = exynos_drm_ipp_check_size_limits(buf, fmt->limits,  in exynos_drm_ipp_check_format()
591 					       fmt->num_limits,  in exynos_drm_ipp_check_format()
596 	ret = exynos_drm_ipp_check_scale_limits(&src->rect, &dst->rect,  in exynos_drm_ipp_check_format()
597 						fmt->limits,  in exynos_drm_ipp_check_format()
598 						fmt->num_limits, swap);  in exynos_drm_ipp_check_format()
604 	struct exynos_drm_ipp *ipp = task->ipp;  in exynos_drm_ipp_task_check()
605 	struct exynos_drm_ipp_buffer *src = &task->src, *dst = &task->dst;  in exynos_drm_ipp_task_check()
606 	unsigned int rotation = task->transform.rotation;  in exynos_drm_ipp_task_check()
612 	DRM_DEV_DEBUG_DRIVER(task->dev, "Checking task %pK\n", task);  in exynos_drm_ipp_task_check()
614 	if (src->rect.w == UINT_MAX)  in exynos_drm_ipp_task_check()
615 		src->rect.w = src->buf.width;  in exynos_drm_ipp_task_check()
616 	if (src->rect.h == UINT_MAX)  in exynos_drm_ipp_task_check()
617 		src->rect.h = src->buf.height;  in exynos_drm_ipp_task_check()
618 	if (dst->rect.w == UINT_MAX)  in exynos_drm_ipp_task_check()
619 		dst->rect.w = dst->buf.width;  in exynos_drm_ipp_task_check()
620 	if (dst->rect.h == UINT_MAX)  in exynos_drm_ipp_task_check()
621 		dst->rect.h = dst->buf.height;  in exynos_drm_ipp_task_check()
623 	if (src->rect.x + src->rect.w > (src->buf.width) ||  in exynos_drm_ipp_task_check()
624 	    src->rect.y + src->rect.h > (src->buf.height) ||  in exynos_drm_ipp_task_check()
625 	    dst->rect.x + dst->rect.w > (dst->buf.width) ||  in exynos_drm_ipp_task_check()
626 	    dst->rect.y + dst->rect.h > (dst->buf.height)) {  in exynos_drm_ipp_task_check()
627 		DRM_DEV_DEBUG_DRIVER(task->dev,  in exynos_drm_ipp_task_check()
628 				     "Task %pK: defined area is outside provided buffers\n",  in exynos_drm_ipp_task_check()
630 		return -EINVAL;  in exynos_drm_ipp_task_check()
633 	if ((!swap && (src->rect.w != dst->rect.w ||  in exynos_drm_ipp_task_check()
634 		       src->rect.h != dst->rect.h)) ||  in exynos_drm_ipp_task_check()
635 	    (swap && (src->rect.w != dst->rect.h ||  in exynos_drm_ipp_task_check()
636 		      src->rect.h != dst->rect.w)))  in exynos_drm_ipp_task_check()
639 	if ((!(ipp->capabilities & DRM_EXYNOS_IPP_CAP_CROP) &&  in exynos_drm_ipp_task_check()
640 	     (src->rect.x || src->rect.y || dst->rect.x || dst->rect.y)) ||  in exynos_drm_ipp_task_check()
641 	    (!(ipp->capabilities & DRM_EXYNOS_IPP_CAP_ROTATE) && rotate) ||  in exynos_drm_ipp_task_check()
642 	    (!(ipp->capabilities & DRM_EXYNOS_IPP_CAP_SCALE) && scale) ||  in exynos_drm_ipp_task_check()
643 	    (!(ipp->capabilities & DRM_EXYNOS_IPP_CAP_CONVERT) &&  in exynos_drm_ipp_task_check()
644 	     src->buf.fourcc != dst->buf.fourcc)) {  in exynos_drm_ipp_task_check()
645 		DRM_DEV_DEBUG_DRIVER(task->dev, "Task %pK: hw capabilities exceeded\n",  in exynos_drm_ipp_task_check()
647 		return -EINVAL;  in exynos_drm_ipp_task_check()
658 	DRM_DEV_DEBUG_DRIVER(ipp->dev, "Task %pK: all checks done.\n",  in exynos_drm_ipp_task_check()
667 	struct exynos_drm_ipp_buffer *src = &task->src, *dst = &task->dst;  in exynos_drm_ipp_task_setup_buffers()
670 	DRM_DEV_DEBUG_DRIVER(task->dev, "Setting buffer for task %pK\n",  in exynos_drm_ipp_task_setup_buffers()
675 		DRM_DEV_DEBUG_DRIVER(task->dev,  in exynos_drm_ipp_task_setup_buffers()
676 				     "Task %pK: src buffer setup failed\n",  in exynos_drm_ipp_task_setup_buffers()
682 		DRM_DEV_DEBUG_DRIVER(task->dev,  in exynos_drm_ipp_task_setup_buffers()
683 				     "Task %pK: dst buffer setup failed\n",  in exynos_drm_ipp_task_setup_buffers()
688 	DRM_DEV_DEBUG_DRIVER(task->dev, "Task %pK: buffers prepared.\n",  in exynos_drm_ipp_task_setup_buffers()
703 		return -ENOMEM;  in exynos_drm_ipp_event_create()
705 	e->event.base.type = DRM_EXYNOS_IPP_EVENT;  in exynos_drm_ipp_event_create()
706 	e->event.base.length = sizeof(e->event);  in exynos_drm_ipp_event_create()
707 	e->event.user_data = user_data;  in exynos_drm_ipp_event_create()
709 	ret = drm_event_reserve_init(task->ipp->drm_dev, file_priv, &e->base,  in exynos_drm_ipp_event_create()
710 				     &e->event.base);  in exynos_drm_ipp_event_create()
714 	task->event = e;  in exynos_drm_ipp_event_create()
726 	task->event->event.tv_sec = now.tv_sec;  in exynos_drm_ipp_event_send()
727 	task->event->event.tv_usec = now.tv_nsec / NSEC_PER_USEC;  in exynos_drm_ipp_event_send()
728 	task->event->event.sequence = atomic_inc_return(&task->ipp->sequence);  in exynos_drm_ipp_event_send()
730 	drm_send_event(task->ipp->drm_dev, &task->event->base);  in exynos_drm_ipp_event_send()
735 	int ret = task->ret;  in exynos_drm_ipp_task_cleanup()
737 	if (ret == 0 && task->event) {  in exynos_drm_ipp_task_cleanup()
740 		task->event = NULL;  in exynos_drm_ipp_task_cleanup()
743 	exynos_drm_ipp_task_free(task->ipp, task);  in exynos_drm_ipp_task_cleanup()
758  * exynos_drm_ipp_task_done - finish given task and set return code
764 	struct exynos_drm_ipp *ipp = task->ipp;  in exynos_drm_ipp_task_done()
767 	DRM_DEV_DEBUG_DRIVER(task->dev, "ipp: %d, task %pK done: %d\n",  in exynos_drm_ipp_task_done()
768 			     ipp->id, task, ret);  in exynos_drm_ipp_task_done()
770 	spin_lock_irqsave(&ipp->lock, flags);  in exynos_drm_ipp_task_done()
771 	if (ipp->task == task)  in exynos_drm_ipp_task_done()
772 		ipp->task = NULL;  in exynos_drm_ipp_task_done()
773 	task->flags |= DRM_EXYNOS_IPP_TASK_DONE;  in exynos_drm_ipp_task_done()
774 	task->ret = ret;  in exynos_drm_ipp_task_done()
775 	spin_unlock_irqrestore(&ipp->lock, flags);  in exynos_drm_ipp_task_done()
778 	wake_up(&ipp->done_wq);  in exynos_drm_ipp_task_done()
780 	if (task->flags & DRM_EXYNOS_IPP_TASK_ASYNC) {  in exynos_drm_ipp_task_done()
781 		INIT_WORK(&task->cleanup_work, exynos_drm_ipp_cleanup_work);  in exynos_drm_ipp_task_done()
782 		schedule_work(&task->cleanup_work);  in exynos_drm_ipp_task_done()
792 	DRM_DEV_DEBUG_DRIVER(ipp->dev, "ipp: %d, try to run new task\n",  in exynos_drm_ipp_next_task()
793 			     ipp->id);  in exynos_drm_ipp_next_task()
795 	spin_lock_irqsave(&ipp->lock, flags);  in exynos_drm_ipp_next_task()
797 	if (ipp->task || list_empty(&ipp->todo_list)) {  in exynos_drm_ipp_next_task()
798 		spin_unlock_irqrestore(&ipp->lock, flags);  in exynos_drm_ipp_next_task()
802 	task = list_first_entry(&ipp->todo_list, struct exynos_drm_ipp_task,  in exynos_drm_ipp_next_task()
804 	list_del_init(&task->head);  in exynos_drm_ipp_next_task()
805 	ipp->task = task;  in exynos_drm_ipp_next_task()
807 	spin_unlock_irqrestore(&ipp->lock, flags);  in exynos_drm_ipp_next_task()
809 	DRM_DEV_DEBUG_DRIVER(ipp->dev,  in exynos_drm_ipp_next_task()
810 			     "ipp: %d, selected task %pK to run\n", ipp->id,  in exynos_drm_ipp_next_task()
813 	ret = ipp->funcs->commit(ipp, task);  in exynos_drm_ipp_next_task()
823 	spin_lock_irqsave(&ipp->lock, flags);  in exynos_drm_ipp_schedule_task()
824 	list_add(&task->head, &ipp->todo_list);  in exynos_drm_ipp_schedule_task()
825 	spin_unlock_irqrestore(&ipp->lock, flags);  in exynos_drm_ipp_schedule_task()
835 	spin_lock_irqsave(&ipp->lock, flags);  in exynos_drm_ipp_task_abort()
836 	if (task->flags & DRM_EXYNOS_IPP_TASK_DONE) {  in exynos_drm_ipp_task_abort()
839 	} else if (ipp->task != task) {  in exynos_drm_ipp_task_abort()
841 		list_del_init(&task->head);  in exynos_drm_ipp_task_abort()
848 		task->flags |= DRM_EXYNOS_IPP_TASK_ASYNC;  in exynos_drm_ipp_task_abort()
849 		spin_unlock_irqrestore(&ipp->lock, flags);  in exynos_drm_ipp_task_abort()
850 		if (ipp->funcs->abort)  in exynos_drm_ipp_task_abort()
851 			ipp->funcs->abort(ipp, task);  in exynos_drm_ipp_task_abort()
854 	spin_unlock_irqrestore(&ipp->lock, flags);  in exynos_drm_ipp_task_abort()
858  * exynos_drm_ipp_commit_ioctl - perform image processing operation
879 	if ((arg->flags & ~DRM_EXYNOS_IPP_FLAGS) || arg->reserved)  in exynos_drm_ipp_commit_ioctl()
880 		return -EINVAL;  in exynos_drm_ipp_commit_ioctl()
883 	if ((arg->flags & DRM_EXYNOS_IPP_FLAG_TEST_ONLY) &&  in exynos_drm_ipp_commit_ioctl()
884 			(arg->flags & DRM_EXYNOS_IPP_FLAG_EVENT))  in exynos_drm_ipp_commit_ioctl()
885 		return -EINVAL;  in exynos_drm_ipp_commit_ioctl()
887 	ipp = __ipp_get(arg->ipp_id);  in exynos_drm_ipp_commit_ioctl()
889 		return -ENOENT;  in exynos_drm_ipp_commit_ioctl()
893 		return -ENOMEM;  in exynos_drm_ipp_commit_ioctl()
904 	if (ret || arg->flags & DRM_EXYNOS_IPP_FLAG_TEST_ONLY)  in exynos_drm_ipp_commit_ioctl()
907 	if (arg->flags & DRM_EXYNOS_IPP_FLAG_EVENT) {  in exynos_drm_ipp_commit_ioctl()
909 						 arg->user_data);  in exynos_drm_ipp_commit_ioctl()
918 	if (arg->flags & DRM_EXYNOS_IPP_FLAG_NONBLOCK) {  in exynos_drm_ipp_commit_ioctl()
919 		DRM_DEV_DEBUG_DRIVER(ipp->dev,  in exynos_drm_ipp_commit_ioctl()
920 				     "ipp: %d, nonblocking processing task %pK\n",  in exynos_drm_ipp_commit_ioctl()
921 				     ipp->id, task);  in exynos_drm_ipp_commit_ioctl()
923 		task->flags |= DRM_EXYNOS_IPP_TASK_ASYNC;  in exynos_drm_ipp_commit_ioctl()
924 		exynos_drm_ipp_schedule_task(task->ipp, task);  in exynos_drm_ipp_commit_ioctl()
927 		DRM_DEV_DEBUG_DRIVER(ipp->dev, "ipp: %d, processing task %pK\n",  in exynos_drm_ipp_commit_ioctl()
928 				     ipp->id, task);  in exynos_drm_ipp_commit_ioctl()
930 		ret = wait_event_interruptible(ipp->done_wq,  in exynos_drm_ipp_commit_ioctl()
931 					task->flags & DRM_EXYNOS_IPP_TASK_DONE);  in exynos_drm_ipp_commit_ioctl()