53  * @connector: LVDS/eDP connector
61 			struct drm_connector *connector)  in intel_find_panel_downclock()  argument
69 	list_for_each_entry(scan, &connector->probed_modes, head) {  in intel_find_panel_downclock()
411 static inline u32 scale_user_to_hw(struct intel_connector *connector,  in scale_user_to_hw()  argument
414 	struct intel_panel *panel = &connector->panel;  in scale_user_to_hw()
422 static inline u32 clamp_user_to_hw(struct intel_connector *connector,  in clamp_user_to_hw()  argument
425 	struct intel_panel *panel = &connector->panel;  in clamp_user_to_hw()
435 static inline u32 scale_hw_to_user(struct intel_connector *connector,  in scale_hw_to_user()  argument
438 	struct intel_panel *panel = &connector->panel;  in scale_hw_to_user()
444 static u32 intel_panel_compute_brightness(struct intel_connector *connector,  in intel_panel_compute_brightness()  argument
447 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_panel_compute_brightness()
448 	struct intel_panel *panel = &connector->panel;  in intel_panel_compute_brightness()
463 static u32 lpt_get_backlight(struct intel_connector *connector)  in lpt_get_backlight()  argument
465 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in lpt_get_backlight()
470 static u32 pch_get_backlight(struct intel_connector *connector)  in pch_get_backlight()  argument
472 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in pch_get_backlight()
477 static u32 i9xx_get_backlight(struct intel_connector *connector)  in i9xx_get_backlight()  argument
479 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in i9xx_get_backlight()
480 	struct intel_panel *panel = &connector->panel;  in i9xx_get_backlight()
505 static u32 vlv_get_backlight(struct intel_connector *connector)  in vlv_get_backlight()  argument
507 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in vlv_get_backlight()
508 	enum pipe pipe = intel_get_pipe_from_connector(connector);  in vlv_get_backlight()
513 static u32 bxt_get_backlight(struct intel_connector *connector)  in bxt_get_backlight()  argument
515 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in bxt_get_backlight()
516 	struct intel_panel *panel = &connector->panel;  in bxt_get_backlight()
521 static u32 pwm_get_backlight(struct intel_connector *connector)  in pwm_get_backlight()  argument
523 	struct intel_panel *panel = &connector->panel;  in pwm_get_backlight()
532 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in lpt_set_backlight()  local
533 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in lpt_set_backlight()
541 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in pch_set_backlight()  local
542 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in pch_set_backlight()
551 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i9xx_set_backlight()  local
552 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in i9xx_set_backlight()
553 	struct intel_panel *panel = &connector->panel;  in i9xx_set_backlight()
579 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in vlv_set_backlight()  local
580 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in vlv_set_backlight()
590 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in bxt_set_backlight()  local
591 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in bxt_set_backlight()
592 	struct intel_panel *panel = &connector->panel;  in bxt_set_backlight()
599 	struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel;  in pwm_set_backlight()
608 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_actually_set_backlight()  local
609 	struct intel_panel *panel = &connector->panel;  in intel_panel_actually_set_backlight()
613 	level = intel_panel_compute_brightness(connector, level);  in intel_panel_actually_set_backlight()
623 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_set_backlight_acpi()  local
624 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_panel_set_backlight_acpi()
625 	struct intel_panel *panel = &connector->panel;  in intel_panel_set_backlight_acpi()
641 	hw_level = clamp_user_to_hw(connector, user_level, user_max);  in intel_panel_set_backlight_acpi()
646 			scale_hw_to_user(connector,  in intel_panel_set_backlight_acpi()
658 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in lpt_disable_backlight()  local
659 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in lpt_disable_backlight()
684 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in pch_disable_backlight()  local
685 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in pch_disable_backlight()
704 	struct drm_i915_private *dev_priv = to_i915(old_conn_state->connector->dev);  in i965_disable_backlight()
715 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in vlv_disable_backlight()  local
716 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in vlv_disable_backlight()
728 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in bxt_disable_backlight()  local
729 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in bxt_disable_backlight()
730 	struct intel_panel *panel = &connector->panel;  in bxt_disable_backlight()
748 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in cnp_disable_backlight()  local
749 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in cnp_disable_backlight()
750 	struct intel_panel *panel = &connector->panel;  in cnp_disable_backlight()
762 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in pwm_disable_backlight()  local
763 	struct intel_panel *panel = &connector->panel;  in pwm_disable_backlight()
773 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in intel_panel_disable_backlight()  local
774 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_panel_disable_backlight()
775 	struct intel_panel *panel = &connector->panel;  in intel_panel_disable_backlight()
804 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in lpt_enable_backlight()  local
805 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in lpt_enable_backlight()
806 	struct intel_panel *panel = &connector->panel;  in lpt_enable_backlight()
854 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in pch_enable_backlight()  local
855 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in pch_enable_backlight()
856 	struct intel_panel *panel = &connector->panel;  in pch_enable_backlight()
900 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i9xx_enable_backlight()  local
901 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in i9xx_enable_backlight()
902 	struct intel_panel *panel = &connector->panel;  in i9xx_enable_backlight()
939 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i965_enable_backlight()  local
940 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in i965_enable_backlight()
941 	struct intel_panel *panel = &connector->panel;  in i965_enable_backlight()
974 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in vlv_enable_backlight()  local
975 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in vlv_enable_backlight()
976 	struct intel_panel *panel = &connector->panel;  in vlv_enable_backlight()
1004 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in bxt_enable_backlight()  local
1005 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in bxt_enable_backlight()
1006 	struct intel_panel *panel = &connector->panel;  in bxt_enable_backlight()
1052 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in cnp_enable_backlight()  local
1053 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in cnp_enable_backlight()
1054 	struct intel_panel *panel = &connector->panel;  in cnp_enable_backlight()
1083 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in pwm_enable_backlight()  local
1084 	struct intel_panel *panel = &connector->panel;  in pwm_enable_backlight()
1093 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_enable_backlight()  local
1094 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_panel_enable_backlight()
1095 	struct intel_panel *panel = &connector->panel;  in intel_panel_enable_backlight()
1111 				scale_hw_to_user(connector,  in intel_panel_enable_backlight()
1125 static u32 intel_panel_get_backlight(struct intel_connector *connector)  in intel_panel_get_backlight()  argument
1127 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_panel_get_backlight()
1128 	struct intel_panel *panel = &connector->panel;  in intel_panel_get_backlight()
1134 		val = panel->backlight.get(connector);  in intel_panel_get_backlight()
1135 		val = intel_panel_compute_brightness(connector, val);  in intel_panel_get_backlight()
1148 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_set_backlight()  local
1149 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_panel_set_backlight()
1150 	struct intel_panel *panel = &connector->panel;  in intel_panel_set_backlight()
1160 	hw_level = scale_user_to_hw(connector, user_level, user_max);  in intel_panel_set_backlight()
1171 	struct intel_connector *connector = bl_get_data(bd);  in intel_backlight_device_update_status()  local
1172 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_update_status()
1173 	struct drm_device *dev = connector->base.dev;  in intel_backlight_device_update_status()
1178 	intel_panel_set_backlight(connector->base.state, bd->props.brightness,  in intel_backlight_device_update_status()
1191 			panel->backlight.power(connector, enable);  in intel_backlight_device_update_status()
1203 	struct intel_connector *connector = bl_get_data(bd);  in intel_backlight_device_get_brightness()  local
1204 	struct drm_device *dev = connector->base.dev;  in intel_backlight_device_get_brightness()
1212 	hw_level = intel_panel_get_backlight(connector);  in intel_backlight_device_get_brightness()
1213 	ret = scale_hw_to_user(connector, hw_level, bd->props.max_brightness);  in intel_backlight_device_get_brightness()
1226 int intel_backlight_device_register(struct intel_connector *connector)  in intel_backlight_device_register()  argument
1228 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_register()
1247 	props.brightness = scale_hw_to_user(connector,  in intel_backlight_device_register()
1257 	 * Note: using the same name independent of the connector prevents  in intel_backlight_device_register()
1262 					  connector->base.kdev,  in intel_backlight_device_register()
1263 					  connector,  in intel_backlight_device_register()
1273 	DRM_DEBUG_KMS("Connector %s backlight sysfs interface registered\n",  in intel_backlight_device_register()
1274 		      connector->base.name);  in intel_backlight_device_register()
1279 void intel_backlight_device_unregister(struct intel_connector *connector)  in intel_backlight_device_unregister()  argument
1281 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_unregister()
1294 static u32 cnp_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in cnp_hz_to_pwm()  argument
1296 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in cnp_hz_to_pwm()
1304 static u32 bxt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in bxt_hz_to_pwm()  argument
1314 static u32 spt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in spt_hz_to_pwm()  argument
1316 	struct intel_panel *panel = &connector->panel;  in spt_hz_to_pwm()
1332 static u32 lpt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in lpt_hz_to_pwm()  argument
1334 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in lpt_hz_to_pwm()
1335 	struct intel_panel *panel = &connector->panel;  in lpt_hz_to_pwm()
1355 static u32 pch_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in pch_hz_to_pwm()  argument
1357 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in pch_hz_to_pwm()
1370 static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in i9xx_hz_to_pwm()  argument
1372 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in i9xx_hz_to_pwm()
1388 static u32 i965_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in i965_hz_to_pwm()  argument
1390 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in i965_hz_to_pwm()
1406 static u32 vlv_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in vlv_hz_to_pwm()  argument
1408 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in vlv_hz_to_pwm()
1425 static u32 get_backlight_max_vbt(struct intel_connector *connector)  in get_backlight_max_vbt()  argument
1427 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in get_backlight_max_vbt()
1428 	struct intel_panel *panel = &connector->panel;  in get_backlight_max_vbt()
1446 	pwm = panel->backlight.hz_to_pwm(connector, pwm_freq_hz);  in get_backlight_max_vbt()
1458 static u32 get_backlight_min_vbt(struct intel_connector *connector)  in get_backlight_min_vbt()  argument
1460 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in get_backlight_min_vbt()
1461 	struct intel_panel *panel = &connector->panel;  in get_backlight_min_vbt()
1483 static int lpt_setup_backlight(struct intel_connector *connector, enum pipe unused)  in lpt_setup_backlight()  argument
1485 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in lpt_setup_backlight()
1486 	struct intel_panel *panel = &connector->panel;  in lpt_setup_backlight()
1503 		panel->backlight.max = get_backlight_max_vbt(connector);  in lpt_setup_backlight()
1508 	panel->backlight.min = get_backlight_min_vbt(connector);  in lpt_setup_backlight()
1510 	val = lpt_get_backlight(connector);  in lpt_setup_backlight()
1511 	val = intel_panel_compute_brightness(connector, val);  in lpt_setup_backlight()
1520 static int pch_setup_backlight(struct intel_connector *connector, enum pipe unused)  in pch_setup_backlight()  argument
1522 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in pch_setup_backlight()
1523 	struct intel_panel *panel = &connector->panel;  in pch_setup_backlight()
1533 		panel->backlight.max = get_backlight_max_vbt(connector);  in pch_setup_backlight()
1538 	panel->backlight.min = get_backlight_min_vbt(connector);  in pch_setup_backlight()
1540 	val = pch_get_backlight(connector);  in pch_setup_backlight()
1541 	val = intel_panel_compute_brightness(connector, val);  in pch_setup_backlight()
1552 static int i9xx_setup_backlight(struct intel_connector *connector, enum pipe unused)  in i9xx_setup_backlight()  argument
1554 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in i9xx_setup_backlight()
1555 	struct intel_panel *panel = &connector->panel;  in i9xx_setup_backlight()
1569 		panel->backlight.max = get_backlight_max_vbt(connector);  in i9xx_setup_backlight()
1579 	panel->backlight.min = get_backlight_min_vbt(connector);  in i9xx_setup_backlight()
1581 	val = i9xx_get_backlight(connector);  in i9xx_setup_backlight()
1582 	val = intel_panel_compute_brightness(connector, val);  in i9xx_setup_backlight()
1591 static int i965_setup_backlight(struct intel_connector *connector, enum pipe unused)  in i965_setup_backlight()  argument
1593 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in i965_setup_backlight()
1594 	struct intel_panel *panel = &connector->panel;  in i965_setup_backlight()
1605 		panel->backlight.max = get_backlight_max_vbt(connector);  in i965_setup_backlight()
1613 	panel->backlight.min = get_backlight_min_vbt(connector);  in i965_setup_backlight()
1615 	val = i9xx_get_backlight(connector);  in i965_setup_backlight()
1616 	val = intel_panel_compute_brightness(connector, val);  in i965_setup_backlight()
1625 static int vlv_setup_backlight(struct intel_connector *connector, enum pipe pipe)  in vlv_setup_backlight()  argument
1627 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in vlv_setup_backlight()
1628 	struct intel_panel *panel = &connector->panel;  in vlv_setup_backlight()
1641 		panel->backlight.max = get_backlight_max_vbt(connector);  in vlv_setup_backlight()
1646 	panel->backlight.min = get_backlight_min_vbt(connector);  in vlv_setup_backlight()
1649 	val = intel_panel_compute_brightness(connector, val);  in vlv_setup_backlight()
1659 bxt_setup_backlight(struct intel_connector *connector, enum pipe unused)  in bxt_setup_backlight()  argument
1661 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in bxt_setup_backlight()
1662 	struct intel_panel *panel = &connector->panel;  in bxt_setup_backlight()
1681 		panel->backlight.max = get_backlight_max_vbt(connector);  in bxt_setup_backlight()
1686 	panel->backlight.min = get_backlight_min_vbt(connector);  in bxt_setup_backlight()
1688 	val = bxt_get_backlight(connector);  in bxt_setup_backlight()
1689 	val = intel_panel_compute_brightness(connector, val);  in bxt_setup_backlight()
1699 cnp_setup_backlight(struct intel_connector *connector, enum pipe unused)  in cnp_setup_backlight()  argument
1701 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in cnp_setup_backlight()
1702 	struct intel_panel *panel = &connector->panel;  in cnp_setup_backlight()
1719 		panel->backlight.max = get_backlight_max_vbt(connector);  in cnp_setup_backlight()
1724 	panel->backlight.min = get_backlight_min_vbt(connector);  in cnp_setup_backlight()
1726 	val = bxt_get_backlight(connector);  in cnp_setup_backlight()
1727 	val = intel_panel_compute_brightness(connector, val);  in cnp_setup_backlight()
1736 static int pwm_setup_backlight(struct intel_connector *connector,  in pwm_setup_backlight()  argument
1739 	struct drm_device *dev = connector->base.dev;  in pwm_setup_backlight()
1740 	struct intel_panel *panel = &connector->panel;  in pwm_setup_backlight()
1776 int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe)  in intel_panel_setup_backlight()  argument
1778 	struct drm_i915_private *dev_priv = to_i915(connector->dev);  in intel_panel_setup_backlight()
1779 	struct intel_connector *intel_connector = to_intel_connector(connector);  in intel_panel_setup_backlight()
1802 		DRM_DEBUG_KMS("failed to setup backlight for connector %s\n",  in intel_panel_setup_backlight()
1803 			      connector->name);  in intel_panel_setup_backlight()
1809 	DRM_DEBUG_KMS("Connector %s backlight initialized, %s, brightness %u/%u\n",  in intel_panel_setup_backlight()
1810 		      connector->name,  in intel_panel_setup_backlight()
1817 void intel_panel_destroy_backlight(struct drm_connector *connector)  in intel_panel_destroy_backlight()  argument
1819 	struct intel_connector *intel_connector = to_intel_connector(connector);  in intel_panel_destroy_backlight()
1833 	struct intel_connector *connector =  in intel_panel_init_backlight_funcs()  local
1835 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);  in intel_panel_init_backlight_funcs()
1837 	if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP &&  in intel_panel_init_backlight_funcs()
1838 	    intel_dp_aux_init_backlight_funcs(connector) == 0)  in intel_panel_init_backlight_funcs()
1841 	if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI &&  in intel_panel_init_backlight_funcs()
1842 	    intel_dsi_dcs_init_backlight_funcs(connector) == 0)  in intel_panel_init_backlight_funcs()
1878 		if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI) {  in intel_panel_init_backlight_funcs()