drm/gud/gud_connector.c

25 	struct drm_connector connector;
44 static inline struct gud_connector *to_gud_connector(struct drm_connector *connector)
46 	return container_of(connector, struct gud_connector, connector);
49 static void gud_conn_err(struct drm_connector *connector, const char *msg, int ret)
51 	dev_err(connector->dev->dev, "%s: %s (ret=%d)\n", connector->name, msg, ret);
62 	struct drm_connector *connector = &gconn->connector;
64 	struct drm_device *drm = connector->dev;
81 	connector_state = drm_atomic_get_connector_state(state, connector);
111 	struct drm_connector *connector = bl_get_data(bd);
112 	struct gud_connector *gconn = to_gud_connector(connector);
126 	struct drm_connector *connector = &gconn->connector;
137 			 connector->dev->primary->index, connector->name);
141 	bd = backlight_device_register(name, connector->kdev, connector,
152 static int gud_connector_detect(struct drm_connector *connector,
155 	struct gud_device *gdrm = to_gud_device(connector->dev);
159 	if (!drm_dev_enter(connector->dev, &idx))
164 				  connector->index, NULL, 0);
171 	ret = gud_usb_get_u8(gdrm, GUD_REQ_GET_CONNECTOR_STATUS, connector->index, &status);
190 		connector->epoch_counter += 1;
218 static int gud_connector_get_modes(struct drm_connector *connector)
220 	struct gud_device *gdrm = to_gud_device(connector->dev);
227 	if (!drm_dev_enter(connector->dev, &idx))
235 	ret = gud_usb_get(gdrm, GUD_REQ_GET_CONNECTOR_EDID, connector->index,
238 		gud_conn_err(connector, "Invalid EDID size", ret);
241 		drm_edid = drm_edid_read_custom(connector, gud_connector_get_edid_block, &edid_ctx);
245 	drm_edid_connector_update(connector, drm_edid);
254 	ret = gud_usb_get(gdrm, GUD_REQ_GET_CONNECTOR_MODES, connector->index,
259 		gud_conn_err(connector, "Invalid display mode array size", ret);
268 		mode = drm_mode_create(connector->dev);
275 		drm_mode_probed_add(connector, mode);
279 		num_modes = drm_edid_connector_add_modes(connector);
288 static int gud_connector_atomic_check(struct drm_connector *connector,
295 	new_state = drm_atomic_get_new_connector_state(state, connector);
299 	old_state = drm_atomic_get_old_connector_state(state, connector);
324 static int gud_connector_late_register(struct drm_connector *connector)
326 	struct gud_connector *gconn = to_gud_connector(connector);
334 static void gud_connector_early_unregister(struct drm_connector *connector)
336 	struct gud_connector *gconn = to_gud_connector(connector);
342 static void gud_connector_destroy(struct drm_connector *connector)
344 	struct gud_connector *gconn = to_gud_connector(connector);
346 	drm_connector_cleanup(connector);
351 static void gud_connector_reset(struct drm_connector *connector)
353 	struct gud_connector *gconn = to_gud_connector(connector);
355 	drm_atomic_helper_connector_reset(connector);
356 	connector->state->tv = gconn->initial_tv_state;
358 	drm_atomic_helper_connector_tv_margins_reset(connector);
360 		connector->state->tv.brightness = gconn->initial_brightness;
375  * driver specific. This means that if more than one connector uses tv.mode,
378 static int gud_connector_add_tv_mode(struct gud_device *gdrm, struct drm_connector *connector)
391 			  connector->index, buf, buf_len);
403 	ret = drm_mode_create_tv_properties_legacy(connector->dev, num_modes, modes);
407 		gud_conn_err(connector, "Failed to add TV modes", ret);
413 gud_connector_property_lookup(struct drm_connector *connector, u16 prop)
415 	struct drm_mode_config *config = &connector->dev->mode_config;
477 	struct drm_connector *connector = &gconn->connector;
487 	ret = gud_usb_get(gdrm, GUD_REQ_GET_CONNECTOR_PROPERTIES, connector->index,
526 			ret = gud_connector_add_tv_mode(gdrm, connector);
564 		property = gud_connector_property_lookup(connector, prop);
573 		drm_object_attach_property(&connector->base, property, 0);
584 	struct gud_connector *gconn = to_gud_connector(connector_state->connector);
615 	struct drm_connector *connector;
627 	connector = &gconn->connector;
661 	drm_connector_helper_add(connector, &gud_connector_helper_funcs);
662 	ret = drm_connector_init(drm, connector, &gud_connector_funcs, connector_type);
664 		kfree(connector);
668 	if (WARN_ON(connector->index != index))
672 		connector->polled = (DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT);
674 		connector->interlace_allowed = true;
676 		connector->doublescan_allowed = true;
680 		gud_conn_err(connector, "Failed to add properties", ret);
684 	/* The first connector is attached to the existing simple pipe encoder */
685 	if (!connector->index) {
697 	return drm_connector_attach_encoder(connector, encoder);