22  * The DRM bridge connector helper object provides a DRM connector
28  * To use the helper, display controller drivers create a bridge connector with
34  * The DRM bridge connector operations are implemented based on the operations
36  * to the bridge closest to the connector (at the end of the chain) that
39  * To make use of this helper, all bridges in the chain shall report bridge
40  * operation flags (&drm_bridge->ops) and bridge output type
62 	 * The last bridge in the chain (closest to the connector) that provides
69 	 * The last bridge in the chain (closest to the connector) that provides
76 	 * The last bridge in the chain (closest to the connector) that provides
83 	 * The last bridge in the chain (closest to the connector) that provides
93  * Bridge Connector Hot-Plug Handling
101 	struct drm_bridge *bridge;  in drm_bridge_connector_hpd_notify()  local
104 	drm_for_each_bridge_in_chain(bridge_connector->encoder, bridge) {  in drm_bridge_connector_hpd_notify()
105 		if (bridge->funcs->hpd_notify)  in drm_bridge_connector_hpd_notify()
106 			bridge->funcs->hpd_notify(bridge, status);  in drm_bridge_connector_hpd_notify()
153  * Bridge Connector Functions
208 	struct drm_bridge *bridge;  in drm_bridge_connector_debugfs_init()  local
210 	list_for_each_entry(bridge, &encoder->bridge_chain, chain_node) {  in drm_bridge_connector_debugfs_init()
211 		if (bridge->funcs->debugfs_init)  in drm_bridge_connector_debugfs_init()
212 			bridge->funcs->debugfs_init(bridge, root);  in drm_bridge_connector_debugfs_init()
227  * Bridge Connector Helper Functions
231 					       struct drm_bridge *bridge)  in drm_bridge_connector_get_modes_edid()  argument
241 	edid = bridge->funcs->get_edid(bridge, connector);  in drm_bridge_connector_get_modes_edid()
262 	struct drm_bridge *bridge;  in drm_bridge_connector_get_modes()  local
268 	bridge = bridge_connector->bridge_edid;  in drm_bridge_connector_get_modes()
269 	if (bridge)  in drm_bridge_connector_get_modes()
270 		return drm_bridge_connector_get_modes_edid(connector, bridge);  in drm_bridge_connector_get_modes()
276 	bridge = bridge_connector->bridge_modes;  in drm_bridge_connector_get_modes()
277 	if (bridge)  in drm_bridge_connector_get_modes()
278 		return bridge->funcs->get_modes(bridge, connector);  in drm_bridge_connector_get_modes()
296  * Bridge Connector Initialisation
302  * @encoder: the encoder where the bridge chain starts
306  * the @encoder. All bridges in the chain shall report bridge operation flags
307  * (&drm_bridge->ops) and bridge output type (&drm_bridge->type), and none of
319 	struct drm_bridge *bridge, *panel_bridge = NULL;  in drm_bridge_connector_init()  local
344 	drm_for_each_bridge_in_chain(encoder, bridge) {  in drm_bridge_connector_init()
345 		if (!bridge->interlace_allowed)  in drm_bridge_connector_init()
348 		if (bridge->ops & DRM_BRIDGE_OP_EDID)  in drm_bridge_connector_init()
349 			bridge_connector->bridge_edid = bridge;  in drm_bridge_connector_init()
350 		if (bridge->ops & DRM_BRIDGE_OP_HPD)  in drm_bridge_connector_init()
351 			bridge_connector->bridge_hpd = bridge;  in drm_bridge_connector_init()
352 		if (bridge->ops & DRM_BRIDGE_OP_DETECT)  in drm_bridge_connector_init()
353 			bridge_connector->bridge_detect = bridge;  in drm_bridge_connector_init()
354 		if (bridge->ops & DRM_BRIDGE_OP_MODES)  in drm_bridge_connector_init()
355 			bridge_connector->bridge_modes = bridge;  in drm_bridge_connector_init()
357 		if (!drm_bridge_get_next_bridge(bridge))  in drm_bridge_connector_init()
358 			connector_type = bridge->type;  in drm_bridge_connector_init()
360 		if (bridge->ddc)  in drm_bridge_connector_init()
361 			ddc = bridge->ddc;  in drm_bridge_connector_init()
363 		if (drm_bridge_is_panel(bridge))  in drm_bridge_connector_init()
364 			panel_bridge = bridge;  in drm_bridge_connector_init()