71 void drm_bridge_add(struct drm_bridge *bridge)  in drm_bridge_add()  argument
74 	list_add_tail(&bridge->list, &bridge_list);  in drm_bridge_add()
84 void drm_bridge_remove(struct drm_bridge *bridge)  in drm_bridge_remove()  argument
87 	list_del_init(&bridge->list);  in drm_bridge_remove()
110 int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,  in drm_bridge_attach()  argument
115 	if (!encoder || !bridge)  in drm_bridge_attach()
121 	if (bridge->dev)  in drm_bridge_attach()
124 	bridge->dev = encoder->dev;  in drm_bridge_attach()
125 	bridge->encoder = encoder;  in drm_bridge_attach()
127 	if (bridge->funcs->attach) {  in drm_bridge_attach()
128 		ret = bridge->funcs->attach(bridge);  in drm_bridge_attach()
130 			bridge->dev = NULL;  in drm_bridge_attach()
131 			bridge->encoder = NULL;  in drm_bridge_attach()
137 		previous->next = bridge;  in drm_bridge_attach()
139 		encoder->bridge = bridge;  in drm_bridge_attach()
145 void drm_bridge_detach(struct drm_bridge *bridge)  in drm_bridge_detach()  argument
147 	if (WARN_ON(!bridge))  in drm_bridge_detach()
150 	if (WARN_ON(!bridge->dev))  in drm_bridge_detach()
153 	if (bridge->funcs->detach)  in drm_bridge_detach()
154 		bridge->funcs->detach(bridge);  in drm_bridge_detach()
156 	bridge->dev = NULL;  in drm_bridge_detach()
185 bool drm_bridge_mode_fixup(struct drm_bridge *bridge,  in drm_bridge_mode_fixup()  argument
191 	if (!bridge)  in drm_bridge_mode_fixup()
194 	if (bridge->funcs->mode_fixup)  in drm_bridge_mode_fixup()
195 		ret = bridge->funcs->mode_fixup(bridge, mode, adjusted_mode);  in drm_bridge_mode_fixup()
197 	ret = ret && drm_bridge_mode_fixup(bridge->next, mode, adjusted_mode);  in drm_bridge_mode_fixup()
218 enum drm_mode_status drm_bridge_mode_valid(struct drm_bridge *bridge,  in drm_bridge_mode_valid()  argument
223 	if (!bridge)  in drm_bridge_mode_valid()
226 	if (bridge->funcs->mode_valid)  in drm_bridge_mode_valid()
227 		ret = bridge->funcs->mode_valid(bridge, mode);  in drm_bridge_mode_valid()
232 	return drm_bridge_mode_valid(bridge->next, mode);  in drm_bridge_mode_valid()
246 void drm_bridge_disable(struct drm_bridge *bridge)  in drm_bridge_disable()  argument
248 	if (!bridge)  in drm_bridge_disable()
251 	drm_bridge_disable(bridge->next);  in drm_bridge_disable()
253 	if (bridge->funcs->disable)  in drm_bridge_disable()
254 		bridge->funcs->disable(bridge);  in drm_bridge_disable()
268 void drm_bridge_post_disable(struct drm_bridge *bridge)  in drm_bridge_post_disable()  argument
270 	if (!bridge)  in drm_bridge_post_disable()
273 	if (bridge->funcs->post_disable)  in drm_bridge_post_disable()
274 		bridge->funcs->post_disable(bridge);  in drm_bridge_post_disable()
276 	drm_bridge_post_disable(bridge->next);  in drm_bridge_post_disable()
292 void drm_bridge_mode_set(struct drm_bridge *bridge,  in drm_bridge_mode_set()  argument
296 	if (!bridge)  in drm_bridge_mode_set()
299 	if (bridge->funcs->mode_set)  in drm_bridge_mode_set()
300 		bridge->funcs->mode_set(bridge, mode, adjusted_mode);  in drm_bridge_mode_set()
302 	drm_bridge_mode_set(bridge->next, mode, adjusted_mode);  in drm_bridge_mode_set()
317 void drm_bridge_pre_enable(struct drm_bridge *bridge)  in drm_bridge_pre_enable()  argument
319 	if (!bridge)  in drm_bridge_pre_enable()
322 	drm_bridge_pre_enable(bridge->next);  in drm_bridge_pre_enable()
324 	if (bridge->funcs->pre_enable)  in drm_bridge_pre_enable()
325 		bridge->funcs->pre_enable(bridge);  in drm_bridge_pre_enable()
339 void drm_bridge_enable(struct drm_bridge *bridge)  in drm_bridge_enable()  argument
341 	if (!bridge)  in drm_bridge_enable()
344 	if (bridge->funcs->enable)  in drm_bridge_enable()
345 		bridge->funcs->enable(bridge);  in drm_bridge_enable()
347 	drm_bridge_enable(bridge->next);  in drm_bridge_enable()
363 	struct drm_bridge *bridge;  in of_drm_find_bridge()  local
367 	list_for_each_entry(bridge, &bridge_list, list) {  in of_drm_find_bridge()
368 		if (bridge->of_node == np) {  in of_drm_find_bridge()
370 			return bridge;  in of_drm_find_bridge()