14  * @connector: DRM connector
15  * @new_conn_state: connector state to reset
22 void __drm_atomic_helper_connector_hdmi_reset(struct drm_connector *connector,  in __drm_atomic_helper_connector_hdmi_reset()  argument
25 	unsigned int max_bpc = connector->max_bpc;  in __drm_atomic_helper_connector_hdmi_reset()
55 static bool hdmi_is_limited_range(const struct drm_connector *connector,  in hdmi_is_limited_range()  argument
58 	const struct drm_display_info *info = &connector->display_info;  in hdmi_is_limited_range()
83 sink_supports_format_bpc(const struct drm_connector *connector,  in sink_supports_format_bpc()  argument
88 	struct drm_device *dev = connector->dev;  in sink_supports_format_bpc()
112 	if (!(connector->hdmi.supported_formats & BIT(format))) {  in sink_supports_format_bpc()
113 		drm_dbg_kms(dev, "%s format unsupported by the connector.\n",  in sink_supports_format_bpc()
203 hdmi_clock_valid(const struct drm_connector *connector,  in hdmi_clock_valid()  argument
207 	const struct drm_connector_hdmi_funcs *funcs = connector->hdmi.funcs;  in hdmi_clock_valid()
208 	const struct drm_display_info *info = &connector->display_info;  in hdmi_clock_valid()
216 		status = funcs->tmds_char_rate_valid(connector, mode, clock);  in hdmi_clock_valid()
225 hdmi_compute_clock(const struct drm_connector *connector,  in hdmi_compute_clock()  argument
237 	status = hdmi_clock_valid(connector, mode, clock);  in hdmi_compute_clock()
247 hdmi_try_format_bpc(const struct drm_connector *connector,  in hdmi_try_format_bpc()  argument
252 	const struct drm_display_info *info = &connector->display_info;  in hdmi_try_format_bpc()
253 	struct drm_device *dev = connector->dev;  in hdmi_try_format_bpc()
259 	if (!sink_supports_format_bpc(connector, info, mode, fmt, bpc)) {  in hdmi_try_format_bpc()
266 	ret = hdmi_compute_clock(connector, conn_state, mode, bpc, fmt);  in hdmi_try_format_bpc()
282 hdmi_compute_format(const struct drm_connector *connector,  in hdmi_compute_format()  argument
287 	struct drm_device *dev = connector->dev;  in hdmi_compute_format()
293 	if (hdmi_try_format_bpc(connector, conn_state, mode, bpc, HDMI_COLORSPACE_RGB)) {  in hdmi_compute_format()
304 hdmi_compute_config(const struct drm_connector *connector,  in hdmi_compute_config()  argument
308 	struct drm_device *dev = connector->dev;  in hdmi_compute_config()
311 				       8, connector->max_bpc);  in hdmi_compute_config()
318 		ret = hdmi_compute_format(connector, conn_state, mode, bpc);  in hdmi_compute_config()
337 static int hdmi_generate_avi_infoframe(const struct drm_connector *connector,  in hdmi_generate_avi_infoframe()  argument
353 	ret = drm_hdmi_avi_infoframe_from_display_mode(frame, connector, mode);  in hdmi_generate_avi_infoframe()
364 	drm_hdmi_avi_infoframe_quant_range(frame, connector, mode, rgb_quant_range);  in hdmi_generate_avi_infoframe()
373 static int hdmi_generate_spd_infoframe(const struct drm_connector *connector,  in hdmi_generate_spd_infoframe()  argument
385 				      connector->hdmi.vendor,  in hdmi_generate_spd_infoframe()
386 				      connector->hdmi.product);  in hdmi_generate_spd_infoframe()
397 static int hdmi_generate_hdr_infoframe(const struct drm_connector *connector,  in hdmi_generate_hdr_infoframe()  argument
408 	if (connector->max_bpc < 10)  in hdmi_generate_hdr_infoframe()
423 static int hdmi_generate_hdmi_vendor_infoframe(const struct drm_connector *connector,  in hdmi_generate_hdmi_vendor_infoframe()  argument
426 	const struct drm_display_info *info = &connector->display_info;  in hdmi_generate_hdmi_vendor_infoframe()
440 	ret = drm_hdmi_vendor_infoframe_from_display_mode(frame, connector, mode);  in hdmi_generate_hdmi_vendor_infoframe()
450 hdmi_generate_infoframes(const struct drm_connector *connector,  in hdmi_generate_infoframes()  argument
453 	const struct drm_display_info *info = &connector->display_info;  in hdmi_generate_infoframes()
459 	ret = hdmi_generate_avi_infoframe(connector, conn_state);  in hdmi_generate_infoframes()
463 	ret = hdmi_generate_spd_infoframe(connector, conn_state);  in hdmi_generate_infoframes()
472 	ret = hdmi_generate_hdr_infoframe(connector, conn_state);  in hdmi_generate_infoframes()
476 	ret = hdmi_generate_hdmi_vendor_infoframe(connector, conn_state);  in hdmi_generate_infoframes()
484  * drm_atomic_helper_connector_hdmi_check() - Helper to check HDMI connector atomic state
485  * @connector: DRM Connector
488  * Provides a default connector state check handler for HDMI connectors.
489  * Checks that a desired connector update is valid, and updates various
495 int drm_atomic_helper_connector_hdmi_check(struct drm_connector *connector,  in drm_atomic_helper_connector_hdmi_check()  argument
499 		drm_atomic_get_old_connector_state(state, connector);  in drm_atomic_helper_connector_hdmi_check()
501 		drm_atomic_get_new_connector_state(state, connector);  in drm_atomic_helper_connector_hdmi_check()
509 	new_conn_state->hdmi.is_limited_range = hdmi_is_limited_range(connector, new_conn_state);  in drm_atomic_helper_connector_hdmi_check()
511 	ret = hdmi_compute_config(connector, new_conn_state, mode);  in drm_atomic_helper_connector_hdmi_check()
515 	ret = hdmi_generate_infoframes(connector, new_conn_state);  in drm_atomic_helper_connector_hdmi_check()
537  * drm_hdmi_connector_mode_valid() - Check if mode is valid for HDMI connector
538  * @connector: DRM connector to validate the mode
544 drm_hdmi_connector_mode_valid(struct drm_connector *connector,  in drm_hdmi_connector_mode_valid()  argument
553 	return hdmi_clock_valid(connector, mode, clock);  in drm_hdmi_connector_mode_valid()
557 static int clear_device_infoframe(struct drm_connector *connector,  in clear_device_infoframe()  argument
560 	const struct drm_connector_hdmi_funcs *funcs = connector->hdmi.funcs;  in clear_device_infoframe()
561 	struct drm_device *dev = connector->dev;  in clear_device_infoframe()
571 	ret = funcs->clear_infoframe(connector, type);  in clear_device_infoframe()
580 static int clear_infoframe(struct drm_connector *connector,  in clear_infoframe()  argument
585 	ret = clear_device_infoframe(connector, old_frame->data.any.type);  in clear_infoframe()
592 static int write_device_infoframe(struct drm_connector *connector,  in write_device_infoframe()  argument
595 	const struct drm_connector_hdmi_funcs *funcs = connector->hdmi.funcs;  in write_device_infoframe()
596 	struct drm_device *dev = connector->dev;  in write_device_infoframe()
612 	ret = funcs->write_infoframe(connector, frame->any.type, buffer, len);  in write_device_infoframe()
621 static int write_infoframe(struct drm_connector *connector,  in write_infoframe()  argument
626 	ret = write_device_infoframe(connector, &new_frame->data);  in write_infoframe()
633 static int write_or_clear_infoframe(struct drm_connector *connector,  in write_or_clear_infoframe()  argument
638 		return write_infoframe(connector, new_frame);  in write_or_clear_infoframe()
641 		return clear_infoframe(connector, old_frame);  in write_or_clear_infoframe()
648  * @connector: A pointer to the HDMI connector
649  * @state: The HDMI connector state to generate the infoframe from
651  * This function is meant for HDMI connector drivers to write their
658 int drm_atomic_helper_connector_hdmi_update_infoframes(struct drm_connector *connector,  in drm_atomic_helper_connector_hdmi_update_infoframes()  argument
662 		drm_atomic_get_old_connector_state(state, connector);  in drm_atomic_helper_connector_hdmi_update_infoframes()
664 		drm_atomic_get_new_connector_state(state, connector);  in drm_atomic_helper_connector_hdmi_update_infoframes()
665 	struct drm_display_info *info = &connector->display_info;  in drm_atomic_helper_connector_hdmi_update_infoframes()
671 	mutex_lock(&connector->hdmi.infoframes.lock);  in drm_atomic_helper_connector_hdmi_update_infoframes()
673 	ret = write_or_clear_infoframe(connector,  in drm_atomic_helper_connector_hdmi_update_infoframes()
679 	if (connector->hdmi.infoframes.audio.set) {  in drm_atomic_helper_connector_hdmi_update_infoframes()
680 		ret = write_infoframe(connector,  in drm_atomic_helper_connector_hdmi_update_infoframes()
681 				      &connector->hdmi.infoframes.audio);  in drm_atomic_helper_connector_hdmi_update_infoframes()
686 	ret = write_or_clear_infoframe(connector,  in drm_atomic_helper_connector_hdmi_update_infoframes()
692 	ret = write_or_clear_infoframe(connector,  in drm_atomic_helper_connector_hdmi_update_infoframes()
699 		ret = write_or_clear_infoframe(connector,  in drm_atomic_helper_connector_hdmi_update_infoframes()
707 	mutex_unlock(&connector->hdmi.infoframes.lock);  in drm_atomic_helper_connector_hdmi_update_infoframes()
714  * @connector: A pointer to the HDMI connector
717  * This function is meant for HDMI connector drivers to update their
725 drm_atomic_helper_connector_hdmi_update_audio_infoframe(struct drm_connector *connector,  in drm_atomic_helper_connector_hdmi_update_audio_infoframe()  argument
729 		&connector->hdmi.infoframes.audio;  in drm_atomic_helper_connector_hdmi_update_audio_infoframe()
730 	struct drm_display_info *info = &connector->display_info;  in drm_atomic_helper_connector_hdmi_update_audio_infoframe()
736 	mutex_lock(&connector->hdmi.infoframes.lock);  in drm_atomic_helper_connector_hdmi_update_audio_infoframe()
741 	ret = write_infoframe(connector, infoframe);  in drm_atomic_helper_connector_hdmi_update_audio_infoframe()
743 	mutex_unlock(&connector->hdmi.infoframes.lock);  in drm_atomic_helper_connector_hdmi_update_audio_infoframe()
751  * @connector: A pointer to the HDMI connector
753  * This function is meant for HDMI connector drivers to stop sending their
761 drm_atomic_helper_connector_hdmi_clear_audio_infoframe(struct drm_connector *connector)  in drm_atomic_helper_connector_hdmi_clear_audio_infoframe()  argument
764 		&connector->hdmi.infoframes.audio;  in drm_atomic_helper_connector_hdmi_clear_audio_infoframe()
765 	struct drm_display_info *info = &connector->display_info;  in drm_atomic_helper_connector_hdmi_clear_audio_infoframe()
771 	mutex_lock(&connector->hdmi.infoframes.lock);  in drm_atomic_helper_connector_hdmi_clear_audio_infoframe()
775 	ret = clear_infoframe(connector, infoframe);  in drm_atomic_helper_connector_hdmi_clear_audio_infoframe()
779 	mutex_unlock(&connector->hdmi.infoframes.lock);  in drm_atomic_helper_connector_hdmi_clear_audio_infoframe()
786 drm_atomic_helper_connector_hdmi_update(struct drm_connector *connector,  in drm_atomic_helper_connector_hdmi_update()  argument
793 		drm_connector_hdmi_audio_plugged_notify(connector, false);  in drm_atomic_helper_connector_hdmi_update()
794 		drm_edid_connector_update(connector, NULL);  in drm_atomic_helper_connector_hdmi_update()
798 	if (connector->hdmi.funcs->read_edid)  in drm_atomic_helper_connector_hdmi_update()
799 		drm_edid = connector->hdmi.funcs->read_edid(connector);  in drm_atomic_helper_connector_hdmi_update()
801 		drm_edid = drm_edid_read(connector);  in drm_atomic_helper_connector_hdmi_update()
803 	drm_edid_connector_update(connector, drm_edid);  in drm_atomic_helper_connector_hdmi_update()
809 		drm_connector_hdmi_audio_plugged_notify(connector, true);  in drm_atomic_helper_connector_hdmi_update()
814  * drm_atomic_helper_connector_hdmi_hotplug - Handle the hotplug event for the HDMI connector
815  * @connector: A pointer to the HDMI connector
819  * callbacks, updating the HDMI-specific connector's data.
821 void drm_atomic_helper_connector_hdmi_hotplug(struct drm_connector *connector,  in drm_atomic_helper_connector_hdmi_hotplug()  argument
824 	drm_atomic_helper_connector_hdmi_update(connector, status);  in drm_atomic_helper_connector_hdmi_hotplug()
829  * drm_atomic_helper_connector_hdmi_force - HDMI Connector implementation of the force callback
830  * @connector: A pointer to the HDMI connector
835  * connector's data.
837 void drm_atomic_helper_connector_hdmi_force(struct drm_connector *connector)  in drm_atomic_helper_connector_hdmi_force()  argument
839 	drm_atomic_helper_connector_hdmi_update(connector, connector->status);  in drm_atomic_helper_connector_hdmi_force()