drm/mediatek/mtk_drm_drv.c

398 static bool mtk_drm_find_mmsys_comp(struct mtk_drm_private *private, int comp_id)
400 	const struct mtk_mmsys_driver_data *drv_data = private->data;
423 	struct mtk_drm_private *private = drm->dev_private;
449 	for (i = 0; i < private->data->mmsys_dev_num; i++) {
450 		drm->dev_private = private->all_drm_private[i];
451 		ret = component_bind_all(private->all_drm_private[i]->dev, drm);
467 	 *    different drm private data structures. Loop through crtc index to
472 		for (j = 0; j < private->data->mmsys_dev_num; j++) {
473 			priv_n = private->all_drm_private[j];
510 	for (i = 0; i < private->data->mmsys_dev_num; i++)
511 		private->all_drm_private[i]->dma_dev = dma_dev;
533 	for (i = 0; i < private->data->mmsys_dev_num; i++)
534 		component_unbind_all(private->all_drm_private[i]->dev, drm);
536 	for (i = 0; i < private->data->mmsys_dev_num; i++)
537 		put_device(private->all_drm_private[i]->mutex_dev);
559 	struct mtk_drm_private *private = dev->dev_private;
561 	return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev);
587 	struct mtk_drm_private *private = dev_get_drvdata(dev);
595 	pdev = of_find_device_by_node(private->mutex_node);
598 			private->mutex_node);
599 		of_node_put(private->mutex_node);
603 	private->mutex_dev = &pdev->dev;
604 	private->mtk_drm_bound = true;
605 	private->dev = dev;
614 	private->drm_master = true;
615 	drm->dev_private = private;
616 	for (i = 0; i < private->data->mmsys_dev_num; i++)
617 		private->all_drm_private[i]->drm = drm;
634 	private->drm = NULL;
636 	for (i = 0; i < private->data->mmsys_dev_num; i++)
637 		private->all_drm_private[i]->drm = NULL;
643 	struct mtk_drm_private *private = dev_get_drvdata(dev);
646 	if (private->drm_master) {
647 		drm_dev_unregister(private->drm);
648 		mtk_drm_kms_deinit(private->drm);
649 		drm_dev_put(private->drm);
651 	private->mtk_drm_bound = false;
652 	private->drm_master = false;
653 	private->drm = NULL;
786 	struct mtk_drm_private *private;
793 	private = devm_kzalloc(dev, sizeof(*private), GFP_KERNEL);
794 	if (!private)
797 	private->mmsys_dev = dev->parent;
798 	if (!private->mmsys_dev) {
807 	private->data = of_id->data;
809 	private->all_drm_private = devm_kmalloc_array(dev, private->data->mmsys_dev_num,
810 						      sizeof(*private->all_drm_private),
812 	if (!private->all_drm_private)
816 	if (mtk_drm_find_mmsys_comp(private, DDP_COMPONENT_DRM_OVL_ADAPTOR)) {
819 							    (void *)private->mmsys_dev,
820 							    sizeof(*private->mmsys_dev));
821 		private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR].dev = &ovl_adaptor->dev;
822 		mtk_ddp_comp_init(NULL, &private->ddp_comp[DDP_COMPONENT_DRM_OVL_ADAPTOR],
849 			if (id < 0 || id == private->data->mmsys_id) {
850 				private->mutex_node = of_node_get(node);
851 				dev_dbg(dev, "get mutex for mmsys %d", private->data->mmsys_id);
863 		if (!mtk_drm_find_mmsys_comp(private, comp_id))
866 		private->comp_node[comp_id] = of_node_get(node);
891 		ret = mtk_ddp_comp_init(node, &private->ddp_comp[comp_id], comp_id);
898 	if (!private->mutex_node) {
906 	platform_set_drvdata(pdev, private);
917 	of_node_put(private->mutex_node);
919 		of_node_put(private->comp_node[i]);
925 	struct mtk_drm_private *private = platform_get_drvdata(pdev);
930 	of_node_put(private->mutex_node);
932 		of_node_put(private->comp_node[i]);
937 	struct mtk_drm_private *private = platform_get_drvdata(pdev);
939 	drm_atomic_helper_shutdown(private->drm);
944 	struct mtk_drm_private *private = dev_get_drvdata(dev);
945 	struct drm_device *drm = private->drm;
947 	if (private->drm_master)
955 	struct mtk_drm_private *private = dev_get_drvdata(dev);
956 	struct drm_device *drm = private->drm;
959 	if (private->drm_master)