1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
5  *      Sandy Huang <hjc@rock-chips.com>
9 #include <linux/media-bus-format.h>
12 #include <drm/display/drm_dp_helper.h>
39 	struct drm_connector *connector = conn_state->connector;  in rockchip_rgb_encoder_atomic_check()
40 	struct drm_display_info *info = &connector->display_info;  in rockchip_rgb_encoder_atomic_check()
43 	if (info->num_bus_formats)  in rockchip_rgb_encoder_atomic_check()
44 		bus_format = info->bus_formats[0];  in rockchip_rgb_encoder_atomic_check()
50 		s->output_mode = ROCKCHIP_OUT_MODE_P666;  in rockchip_rgb_encoder_atomic_check()
53 		s->output_mode = ROCKCHIP_OUT_MODE_P565;  in rockchip_rgb_encoder_atomic_check()
58 		s->output_mode = ROCKCHIP_OUT_MODE_P888;  in rockchip_rgb_encoder_atomic_check()
62 	s->output_type = DRM_MODE_CONNECTOR_LVDS;  in rockchip_rgb_encoder_atomic_check()
88 		return ERR_PTR(-ENOMEM);  in rockchip_rgb_init()
90 	rgb->dev = dev;  in rockchip_rgb_init()
91 	rgb->drm_dev = drm_dev;  in rockchip_rgb_init()
93 	port = of_graph_get_port_by_id(dev->of_node, video_port);  in rockchip_rgb_init()
95 		return ERR_PTR(-EINVAL);  in rockchip_rgb_init()
106 		ret = drm_of_find_panel_or_bridge(dev->of_node, video_port,  in rockchip_rgb_init()
121 		if (ret != -EPROBE_DEFER)  in rockchip_rgb_init()
126 	encoder = &rgb->encoder.encoder;  in rockchip_rgb_init()
127 	encoder->possible_crtcs = drm_crtc_mask(crtc);  in rockchip_rgb_init()
131 		DRM_DEV_ERROR(drm_dev->dev,  in rockchip_rgb_init()
145 	rgb->bridge = bridge;  in rockchip_rgb_init()
147 	ret = drm_bridge_attach(encoder, rgb->bridge, NULL,  in rockchip_rgb_init()
152 	connector = &rgb->connector;  in rockchip_rgb_init()
153 	connector = drm_bridge_connector_init(rgb->drm_dev, encoder);  in rockchip_rgb_init()
155 		DRM_DEV_ERROR(drm_dev->dev,  in rockchip_rgb_init()
162 	rgb->encoder.crtc_endpoint_id = endpoint_id;  in rockchip_rgb_init()
166 		DRM_DEV_ERROR(drm_dev->dev,  in rockchip_rgb_init()
183 	drm_panel_bridge_remove(rgb->bridge);  in rockchip_rgb_fini()
184 	drm_connector_cleanup(&rgb->connector);  in rockchip_rgb_fini()
185 	drm_encoder_cleanup(&rgb->encoder.encoder);  in rockchip_rgb_fini()