69  * Decision to use MST for a sink happens at detect on the connector attached to
199 static int intel_dp_mst_dsc_get_slice_count(const struct intel_connector *connector,  in intel_dp_mst_dsc_get_slice_count()  argument
206 	return intel_dp_dsc_get_slice_count(connector,  in intel_dp_mst_dsc_get_slice_count()
220 	struct intel_connector *connector =  in intel_dp_mtp_tu_compute_config()  local
221 		to_intel_connector(conn_state->connector);  in intel_dp_mtp_tu_compute_config()
230 		if (!intel_dp_supports_fec(intel_dp, connector, crtc_state))  in intel_dp_mtp_tu_compute_config()
250 		dsc_slice_count = intel_dp_mst_dsc_get_slice_count(connector, crtc_state);  in intel_dp_mtp_tu_compute_config()
323 							      connector->port,  in intel_dp_mtp_tu_compute_config()
414 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in mst_stream_dsc_compute_link_config()  local
423 	num_bpc = drm_dp_dsc_sink_supported_input_bpcs(connector->dp.dsc_dpcd,  in mst_stream_dsc_compute_link_config()
496 hblank_expansion_quirk_needs_dsc(const struct intel_connector *connector,  in hblank_expansion_quirk_needs_dsc()  argument
502 	bool is_uhbr_sink = connector->mst_port &&  in hblank_expansion_quirk_needs_dsc()
503 			    drm_dp_128b132b_supported(connector->mst_port->dpcd);  in hblank_expansion_quirk_needs_dsc()
506 	if (!connector->dp.dsc_hblank_expansion_quirk)  in hblank_expansion_quirk_needs_dsc()
515 	if (!intel_dp_mst_dsc_get_slice_count(connector, crtc_state))  in hblank_expansion_quirk_needs_dsc()
523 					     const struct intel_connector *connector,  in adjust_limits_for_dsc_hblank_expansion_quirk()  argument
528 	struct intel_display *display = to_intel_display(connector);  in adjust_limits_for_dsc_hblank_expansion_quirk()
532 	if (!hblank_expansion_quirk_needs_dsc(connector, crtc_state, limits))  in adjust_limits_for_dsc_hblank_expansion_quirk()
536 		if (intel_dp_supports_dsc(intel_dp, connector, crtc_state)) {  in adjust_limits_for_dsc_hblank_expansion_quirk()
538 				    "[CRTC:%d:%s][CONNECTOR:%d:%s] DSC needed by hblank expansion quirk\n",  in adjust_limits_for_dsc_hblank_expansion_quirk()
540 				    connector->base.base.id, connector->base.name);  in adjust_limits_for_dsc_hblank_expansion_quirk()
545 …	    "[CRTC:%d:%s][CONNECTOR:%d:%s] Increasing link min bpp to 24 due to hblank expansion quirk\n",  in adjust_limits_for_dsc_hblank_expansion_quirk()
547 			    connector->base.base.id, connector->base.name);  in adjust_limits_for_dsc_hblank_expansion_quirk()
568 …"[CRTC:%d:%s][CONNECTOR:%d:%s] Increasing link min bpp to " FXP_Q4_FMT " in DSC mode due to hblank…  in adjust_limits_for_dsc_hblank_expansion_quirk()
570 		    connector->base.base.id, connector->base.name,  in adjust_limits_for_dsc_hblank_expansion_quirk()
583 				 const struct intel_connector *connector,  in mst_stream_compute_config_limits()  argument
593 							    connector,  in mst_stream_compute_config_limits()
607 	struct intel_connector *connector =  in mst_stream_compute_config()  local
608 		to_intel_connector(conn_state->connector);  in mst_stream_compute_config()
617 	    !intel_dp_supports_fec(intel_dp, connector, pipe_config))  in mst_stream_compute_config()
623 	num_joined_pipes = intel_dp_num_joined_pipes(intel_dp, connector,  in mst_stream_compute_config()
636 		!mst_stream_compute_config_limits(intel_dp, connector,  in mst_stream_compute_config()
650 	if (dsc_needed && !intel_dp_supports_dsc(intel_dp, connector, pipe_config)) {  in mst_stream_compute_config()
662 		if (!mst_stream_compute_config_limits(intel_dp, connector,  in mst_stream_compute_config()
709 	return intel_dp_tunnel_atomic_compute_stream_bw(state, intel_dp, connector,  in mst_stream_compute_config()
723 	struct intel_connector *connector;  in intel_dp_mst_transcoder_mask()  local
730 	for_each_new_intel_connector_in_state(state, connector, conn_state, i) {  in intel_dp_mst_transcoder_mask()
734 		if (connector->mst_port != mst_port || !conn_state->base.crtc)  in intel_dp_mst_transcoder_mask()
754 	struct intel_connector *connector;  in get_pipes_downstream_of_mst_port()  local
758 	for_each_new_intel_connector_in_state(state, connector, conn_state, i) {  in get_pipes_downstream_of_mst_port()
762 		if (&connector->mst_port->mst_mgr != mst_mgr)  in get_pipes_downstream_of_mst_port()
765 		if (connector->port != parent_port &&  in get_pipes_downstream_of_mst_port()
767 							  connector->port,  in get_pipes_downstream_of_mst_port()
793 		/* Atomic connector check should've added all the MST CRTCs. */  in intel_dp_mst_check_fec_change()
901 mst_connector_atomic_topology_check(struct intel_connector *connector,  in mst_connector_atomic_topology_check()  argument
904 	struct intel_display *display = to_intel_display(connector);  in mst_connector_atomic_topology_check()
909 	if (!intel_connector_needs_modeset(state, &connector->base))  in mst_connector_atomic_topology_check()
918 		if (connector_iter->mst_port != connector->mst_port ||  in mst_connector_atomic_topology_check()
919 		    connector_iter == connector)  in mst_connector_atomic_topology_check()
950 mst_connector_atomic_check(struct drm_connector *connector,  in mst_connector_atomic_check()  argument
955 		to_intel_connector(connector);  in mst_connector_atomic_check()
958 	ret = intel_digital_connector_atomic_check(connector, &state->base);  in mst_connector_atomic_check()
966 	if (intel_connector_needs_modeset(state, connector)) {  in mst_connector_atomic_check()
987 	struct intel_connector *connector =  in mst_stream_disable()  local
988 		to_intel_connector(old_conn_state->connector);  in mst_stream_disable()
996 	intel_hdcp_disable(intel_mst->connector);  in mst_stream_disable()
998 	intel_dp_sink_disable_decompression(state, connector, old_crtc_state);  in mst_stream_disable()
1010 	struct intel_connector *connector =  in mst_stream_post_disable()  local
1011 		to_intel_connector(old_conn_state->connector);  in mst_stream_post_disable()
1017 		drm_atomic_get_mst_payload_state(old_mst_state, connector->port);  in mst_stream_post_disable()
1019 		drm_atomic_get_mst_payload_state(new_mst_state, connector->port);  in mst_stream_post_disable()
1070 	drm_dp_send_power_updown_phy(&intel_dp->mst_mgr, connector->port,  in mst_stream_post_disable()
1089 	intel_mst->connector = NULL;  in mst_stream_post_disable()
1167 	struct intel_connector *connector =  in mst_stream_pre_enable()  local
1168 		to_intel_connector(conn_state->connector);  in mst_stream_pre_enable()
1174 	/* MST encoders are bound to a crtc, not to a connector,  in mst_stream_pre_enable()
1177 	connector->encoder = encoder;  in mst_stream_pre_enable()
1178 	intel_mst->connector = connector;  in mst_stream_pre_enable()
1189 	drm_dp_send_power_updown_phy(&intel_dp->mst_mgr, connector->port, true);  in mst_stream_pre_enable()
1191 	intel_dp_sink_enable_decompression(state, connector, pipe_config);  in mst_stream_pre_enable()
1203 				       drm_atomic_get_mst_payload_state(mst_state, connector->port));  in mst_stream_pre_enable()
1266 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in mst_stream_enable()  local
1307 									connector->port));  in mst_stream_enable()
1335 	if (intel_mst->connector)  in mst_stream_get_hw_state()
1356 static int mst_connector_get_ddc_modes(struct drm_connector *connector)  in mst_connector_get_ddc_modes()  argument
1358 	struct intel_display *display = to_intel_display(connector->dev);  in mst_connector_get_ddc_modes()
1359 	struct intel_connector *intel_connector = to_intel_connector(connector);  in mst_connector_get_ddc_modes()
1364 	if (drm_connector_is_unregistered(connector))  in mst_connector_get_ddc_modes()
1365 		return intel_connector_update_modes(connector, NULL);  in mst_connector_get_ddc_modes()
1368 		return drm_edid_connector_add_modes(connector);  in mst_connector_get_ddc_modes()
1370 	drm_edid = drm_dp_mst_edid_read(connector, &intel_dp->mst_mgr, intel_connector->port);  in mst_connector_get_ddc_modes()
1372 	ret = intel_connector_update_modes(connector, drm_edid);  in mst_connector_get_ddc_modes()
1380 mst_connector_late_register(struct drm_connector *connector)  in mst_connector_late_register()  argument
1382 	struct intel_connector *intel_connector = to_intel_connector(connector);  in mst_connector_late_register()
1385 	ret = drm_dp_mst_connector_late_register(connector,  in mst_connector_late_register()
1390 	ret = intel_connector_register(connector);  in mst_connector_late_register()
1392 		drm_dp_mst_connector_early_unregister(connector,  in mst_connector_late_register()
1399 mst_connector_early_unregister(struct drm_connector *connector)  in mst_connector_early_unregister()  argument
1401 	struct intel_connector *intel_connector = to_intel_connector(connector);  in mst_connector_early_unregister()
1403 	intel_connector_unregister(connector);  in mst_connector_early_unregister()
1404 	drm_dp_mst_connector_early_unregister(connector,  in mst_connector_early_unregister()
1419 static int mst_connector_get_modes(struct drm_connector *connector)  in mst_connector_get_modes()  argument
1421 	return mst_connector_get_ddc_modes(connector);  in mst_connector_get_modes()
1425 mst_connector_mode_valid_ctx(struct drm_connector *connector,  in mst_connector_mode_valid_ctx()  argument
1430 	struct intel_display *display = to_intel_display(connector->dev);  in mst_connector_mode_valid_ctx()
1431 	struct drm_i915_private *dev_priv = to_i915(connector->dev);  in mst_connector_mode_valid_ctx()
1432 	struct intel_connector *intel_connector = to_intel_connector(connector);  in mst_connector_mode_valid_ctx()
1446 	if (drm_connector_is_unregistered(connector)) {  in mst_connector_mode_valid_ctx()
1500 		 * TBD pass the connector BPC,  in mst_connector_mode_valid_ctx()
1540 mst_connector_atomic_best_encoder(struct drm_connector *connector,  in mst_connector_atomic_best_encoder()  argument
1544 											 connector);  in mst_connector_atomic_best_encoder()
1545 	struct intel_connector *intel_connector = to_intel_connector(connector);  in mst_connector_atomic_best_encoder()
1553 mst_connector_detect_ctx(struct drm_connector *connector,  in mst_connector_detect_ctx()  argument
1556 	struct intel_display *display = to_intel_display(connector->dev);  in mst_connector_detect_ctx()
1557 	struct intel_connector *intel_connector = to_intel_connector(connector);  in mst_connector_detect_ctx()
1563 	if (drm_connector_is_unregistered(connector))  in mst_connector_detect_ctx()
1567 		return connector->status;  in mst_connector_detect_ctx()
1571 	return drm_dp_mst_detect_port(connector, ctx, &intel_dp->mst_mgr,  in mst_connector_detect_ctx()
1595 static bool mst_connector_get_hw_state(struct intel_connector *connector)  in mst_connector_get_hw_state()  argument
1598 	struct intel_encoder *encoder = intel_attached_encoder(connector);  in mst_connector_get_hw_state()
1601 	if (!encoder || !connector->base.state->crtc)  in mst_connector_get_hw_state()
1608 						 struct drm_connector *connector,  in mst_topology_add_connector_properties()  argument
1613 	drm_object_attach_property(&connector->base,  in mst_topology_add_connector_properties()
1615 	drm_object_attach_property(&connector->base,  in mst_topology_add_connector_properties()
1618 	intel_attach_force_audio_property(connector);  in mst_topology_add_connector_properties()
1619 	intel_attach_broadcast_rgb_property(connector);  in mst_topology_add_connector_properties()
1622 	 * Reuse the prop from the SST connector because we're  in mst_topology_add_connector_properties()
1625 	connector->max_bpc_property =  in mst_topology_add_connector_properties()
1627 	if (connector->max_bpc_property)  in mst_topology_add_connector_properties()
1628 		drm_connector_attach_max_bpc_property(connector, 6, 12);  in mst_topology_add_connector_properties()
1630 	return drm_connector_set_path_property(connector, pathprop);  in mst_topology_add_connector_properties()
1635 					      struct intel_connector *connector)  in intel_dp_mst_read_decompression_port_dsc_caps()  argument
1639 	if (!connector->dp.dsc_decompression_aux)  in intel_dp_mst_read_decompression_port_dsc_caps()
1642 	if (drm_dp_read_dpcd_caps(connector->dp.dsc_decompression_aux, dpcd_caps) < 0)  in intel_dp_mst_read_decompression_port_dsc_caps()
1645 	intel_dp_get_dsc_sink_cap(dpcd_caps[DP_DPCD_REV], connector);  in intel_dp_mst_read_decompression_port_dsc_caps()
1648 static bool detect_dsc_hblank_expansion_quirk(const struct intel_connector *connector)  in detect_dsc_hblank_expansion_quirk()  argument
1650 	struct intel_display *display = to_intel_display(connector);  in detect_dsc_hblank_expansion_quirk()
1651 	struct drm_dp_aux *aux = connector->dp.dsc_decompression_aux;  in detect_dsc_hblank_expansion_quirk()
1662 	if (drm_dp_mst_port_is_logical(connector->port)) {  in detect_dsc_hblank_expansion_quirk()
1663 		aux = drm_dp_mst_aux_for_parent(connector->port);  in detect_dsc_hblank_expansion_quirk()
1665 			aux = &connector->mst_port->aux;  in detect_dsc_hblank_expansion_quirk()
1689 		    "[CONNECTOR:%d:%s] DSC HBLANK expansion quirk detected\n",  in detect_dsc_hblank_expansion_quirk()
1690 		    connector->base.base.id, connector->base.name);  in detect_dsc_hblank_expansion_quirk()
1704 	struct drm_connector *connector;  in mst_topology_add_connector()  local
1712 	connector = &intel_connector->base;  in mst_topology_add_connector()
1722 	ret = drm_connector_dynamic_init(display->drm, connector, &mst_connector_funcs,  in mst_topology_add_connector()
1735 	drm_connector_helper_add(connector, &mst_connector_helper_funcs);  in mst_topology_add_connector()
1746 	ret = mst_topology_add_connector_properties(intel_dp, connector, pathprop);  in mst_topology_add_connector()
1753 			    connector->name, connector->base.id);  in mst_topology_add_connector()
1755 	return connector;  in mst_topology_add_connector()
1758 	drm_connector_cleanup(connector);  in mst_topology_add_connector()
1802 	 * of possible_crtcs of all the encoders of a given connector  in mst_stream_encoder_create()
1803 	 * to figure out which crtcs can drive said connector. What  in mst_stream_encoder_create()
1911  * intel_dp_mst_add_topology_state_for_connector - add MST topology state for a connector
1913  * @connector: connector to add the state for
1914  * @crtc: the CRTC @connector is attached to
1916  * Add the MST topology state for @connector to @state.
1922 					      struct intel_connector *connector,  in intel_dp_mst_add_topology_state_for_connector()  argument
1927 	if (!connector->mst_port)  in intel_dp_mst_add_topology_state_for_connector()
1931 						      &connector->mst_port->mst_mgr);  in intel_dp_mst_add_topology_state_for_connector()
1957 		struct intel_connector *connector = to_intel_connector(_connector);  in intel_dp_mst_add_topology_state_for_crtc()  local
1963 		ret = intel_dp_mst_add_topology_state_for_connector(state, connector, crtc);  in intel_dp_mst_add_topology_state_for_crtc()
1982 		struct intel_connector *connector =  in get_connector_in_state_for_crtc()  local
1987 			return connector;  in get_connector_in_state_for_crtc()
2023 		const struct intel_connector *connector =  in intel_dp_mst_crtc_needs_modeset()  local
2029 		if (connector->mst_port != crtc_connector->mst_port ||  in intel_dp_mst_crtc_needs_modeset()
2051 		if (connector->dp.dsc_decompression_aux ==  in intel_dp_mst_crtc_needs_modeset()
2052 		    &connector->mst_port->aux)  in intel_dp_mst_crtc_needs_modeset()
2104 	struct intel_connector *connector = intel_dp->attached_connector;  in intel_dp_mst_verify_dpcd_state()  local
2118 …  "[CONNECTOR:%d:%s][ENCODER:%d:%s] MST mode got reset, removing topology (ret=%d, ctrl=0x%02x)\n",  in intel_dp_mst_verify_dpcd_state()
2119 			    connector->base.base.id, connector->base.name,  in intel_dp_mst_verify_dpcd_state()