64 static u32 clamp_user_to_hw(struct intel_connector *connector,  in clamp_user_to_hw()  argument
67 	struct intel_panel *panel = &connector->panel;  in clamp_user_to_hw()
77 static u32 scale_hw_to_user(struct intel_connector *connector,  in scale_hw_to_user()  argument
80 	struct intel_panel *panel = &connector->panel;  in scale_hw_to_user()
86 u32 intel_backlight_invert_pwm_level(struct intel_connector *connector, u32 val)  in intel_backlight_invert_pwm_level()  argument
88 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_invert_pwm_level()
89 	struct intel_panel *panel = &connector->panel;  in intel_backlight_invert_pwm_level()
106 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_set_pwm_level()  local
107 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_set_pwm_level()
108 	struct intel_panel *panel = &connector->panel;  in intel_backlight_set_pwm_level()
110 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] set backlight PWM = %d\n",  in intel_backlight_set_pwm_level()
111 		    connector->base.base.id, connector->base.name, val);  in intel_backlight_set_pwm_level()
115 u32 intel_backlight_level_to_pwm(struct intel_connector *connector, u32 val)  in intel_backlight_level_to_pwm()  argument
117 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_level_to_pwm()
118 	struct intel_panel *panel = &connector->panel;  in intel_backlight_level_to_pwm()
126 	return intel_backlight_invert_pwm_level(connector, val);  in intel_backlight_level_to_pwm()
129 u32 intel_backlight_level_from_pwm(struct intel_connector *connector, u32 val)  in intel_backlight_level_from_pwm()  argument
131 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_level_from_pwm()
132 	struct intel_panel *panel = &connector->panel;  in intel_backlight_level_from_pwm()
146 static u32 lpt_get_backlight(struct intel_connector *connector, enum pipe unused)  in lpt_get_backlight()  argument
148 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_get_backlight()
153 static u32 pch_get_backlight(struct intel_connector *connector, enum pipe unused)  in pch_get_backlight()  argument
155 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_get_backlight()
160 static u32 i9xx_get_backlight(struct intel_connector *connector, enum pipe unused)  in i9xx_get_backlight()  argument
162 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_get_backlight()
163 	struct intel_panel *panel = &connector->panel;  in i9xx_get_backlight()
180 static u32 vlv_get_backlight(struct intel_connector *connector, enum pipe pipe)  in vlv_get_backlight()  argument
182 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_get_backlight()
190 static u32 bxt_get_backlight(struct intel_connector *connector, enum pipe unused)  in bxt_get_backlight()  argument
192 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_get_backlight()
193 	struct intel_panel *panel = &connector->panel;  in bxt_get_backlight()
198 static u32 ext_pwm_get_backlight(struct intel_connector *connector, enum pipe unused)  in ext_pwm_get_backlight()  argument
200 	struct intel_panel *panel = &connector->panel;  in ext_pwm_get_backlight()
209 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in lpt_set_backlight()  local
210 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_set_backlight()
219 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in pch_set_backlight()  local
220 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_set_backlight()
229 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i9xx_set_backlight()  local
230 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_set_backlight()
231 	struct intel_panel *panel = &connector->panel;  in i9xx_set_backlight()
257 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in vlv_set_backlight()  local
258 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_set_backlight()
268 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in bxt_set_backlight()  local
269 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_set_backlight()
270 	struct intel_panel *panel = &connector->panel;  in bxt_set_backlight()
277 	struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel;  in ext_pwm_set_backlight()
286 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_actually_set_backlight()  local
287 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_panel_actually_set_backlight()
288 	struct intel_panel *panel = &connector->panel;  in intel_panel_actually_set_backlight()
290 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] set backlight level = %d\n",  in intel_panel_actually_set_backlight()
291 		    connector->base.base.id, connector->base.name, level);  in intel_panel_actually_set_backlight()
302 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_set_acpi()  local
303 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_set_acpi()
304 	struct intel_panel *panel = &connector->panel;  in intel_backlight_set_acpi()
320 	hw_level = clamp_user_to_hw(connector, user_level, user_max);  in intel_backlight_set_acpi()
325 			scale_hw_to_user(connector,  in intel_backlight_set_acpi()
337 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in lpt_disable_backlight()  local
338 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_disable_backlight()
353 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] CPU backlight was enabled, disabling\n",  in lpt_disable_backlight()
354 			    connector->base.base.id, connector->base.name);  in lpt_disable_backlight()
363 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in pch_disable_backlight()  local
364 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_disable_backlight()
380 	struct drm_i915_private *i915 = to_i915(old_conn_state->connector->dev);  in i965_disable_backlight()
389 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in vlv_disable_backlight()  local
390 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_disable_backlight()
400 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in bxt_disable_backlight()  local
401 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_disable_backlight()
402 	struct intel_panel *panel = &connector->panel;  in bxt_disable_backlight()
415 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in cnp_disable_backlight()  local
416 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in cnp_disable_backlight()
417 	struct intel_panel *panel = &connector->panel;  in cnp_disable_backlight()
427 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in ext_pwm_disable_backlight()  local
428 	struct intel_panel *panel = &connector->panel;  in ext_pwm_disable_backlight()
438 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in intel_backlight_disable()  local
439 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_disable()
440 	struct intel_panel *panel = &connector->panel;  in intel_backlight_disable()
452 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] Skipping backlight disable on vga switch\n",  in intel_backlight_disable()
453 			    connector->base.base.id, connector->base.name);  in intel_backlight_disable()
470 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in lpt_enable_backlight()  local
471 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_enable_backlight()
472 	struct intel_panel *panel = &connector->panel;  in lpt_enable_backlight()
477 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] PCH backlight already enabled\n",  in lpt_enable_backlight()
478 			    connector->base.base.id, connector->base.name);  in lpt_enable_backlight()
514 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in pch_enable_backlight()  local
515 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_enable_backlight()
516 	struct intel_panel *panel = &connector->panel;  in pch_enable_backlight()
522 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] CPU backlight already enabled\n",  in pch_enable_backlight()
523 			    connector->base.base.id, connector->base.name);  in pch_enable_backlight()
530 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] PCH backlight already enabled\n",  in pch_enable_backlight()
531 			    connector->base.base.id, connector->base.name);  in pch_enable_backlight()
562 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i9xx_enable_backlight()  local
563 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_enable_backlight()
564 	struct intel_panel *panel = &connector->panel;  in i9xx_enable_backlight()
569 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] backlight already enabled\n",  in i9xx_enable_backlight()
570 			    connector->base.base.id, connector->base.name);  in i9xx_enable_backlight()
602 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i965_enable_backlight()  local
603 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i965_enable_backlight()
604 	struct intel_panel *panel = &connector->panel;  in i965_enable_backlight()
610 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] backlight already enabled\n",  in i965_enable_backlight()
611 			    connector->base.base.id, connector->base.name);  in i965_enable_backlight()
638 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in vlv_enable_backlight()  local
639 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_enable_backlight()
640 	struct intel_panel *panel = &connector->panel;  in vlv_enable_backlight()
646 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] backlight already enabled\n",  in vlv_enable_backlight()
647 			    connector->base.base.id, connector->base.name);  in vlv_enable_backlight()
669 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in bxt_enable_backlight()  local
670 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_enable_backlight()
671 	struct intel_panel *panel = &connector->panel;  in bxt_enable_backlight()
679 			drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] utility pin already enabled\n",  in bxt_enable_backlight()
680 				    connector->base.base.id, connector->base.name);  in bxt_enable_backlight()
694 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] backlight already enabled\n",  in bxt_enable_backlight()
695 			    connector->base.base.id, connector->base.name);  in bxt_enable_backlight()
719 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in cnp_enable_backlight()  local
720 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in cnp_enable_backlight()
721 	struct intel_panel *panel = &connector->panel;  in cnp_enable_backlight()
750 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in ext_pwm_enable_backlight()  local
751 	struct intel_panel *panel = &connector->panel;  in ext_pwm_enable_backlight()
761 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in __intel_backlight_enable()  local
762 	struct intel_panel *panel = &connector->panel;  in __intel_backlight_enable()
770 				scale_hw_to_user(connector,  in __intel_backlight_enable()
784 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_enable()  local
785 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_enable()
786 	struct intel_panel *panel = &connector->panel;  in intel_backlight_enable()
802 static u32 intel_panel_get_backlight(struct intel_connector *connector)  in intel_panel_get_backlight()  argument
804 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_panel_get_backlight()
805 	struct intel_panel *panel = &connector->panel;  in intel_panel_get_backlight()
811 		val = panel->backlight.funcs->get(connector, intel_connector_get_pipe(connector));  in intel_panel_get_backlight()
820 static u32 scale_user_to_hw(struct intel_connector *connector,  in scale_user_to_hw()  argument
823 	struct intel_panel *panel = &connector->panel;  in scale_user_to_hw()
833 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_set_backlight()  local
834 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_panel_set_backlight()
835 	struct intel_panel *panel = &connector->panel;  in intel_panel_set_backlight()
845 	hw_level = scale_user_to_hw(connector, user_level, user_max);  in intel_panel_set_backlight()
856 	struct intel_connector *connector = bl_get_data(bd);  in intel_backlight_device_update_status()  local
857 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_device_update_status()
858 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_update_status()
864 	intel_panel_set_backlight(connector->base.state, bd->props.brightness,  in intel_backlight_device_update_status()
877 			panel->backlight.power(connector, enable);  in intel_backlight_device_update_status()
890 	struct intel_connector *connector = bl_get_data(bd);  in intel_backlight_device_get_brightness()  local
891 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_device_get_brightness()
900 		hw_level = intel_panel_get_backlight(connector);  in intel_backlight_device_get_brightness()
901 		ret = scale_hw_to_user(connector,  in intel_backlight_device_get_brightness()
915 int intel_backlight_device_register(struct intel_connector *connector)  in intel_backlight_device_register()  argument
917 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_device_register()
918 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_register()
945 	props.brightness = scale_hw_to_user(connector,  in intel_backlight_device_register()
962 		 * Using the same name independent of the drm device or connector  in intel_backlight_device_register()
970 				 i915->drm.primary->index, connector->base.name);  in intel_backlight_device_register()
974 	bd = backlight_device_register(name, connector->base.kdev, connector,  in intel_backlight_device_register()
979 			"[CONNECTOR:%d:%s] backlight device %s register failed: %ld\n",  in intel_backlight_device_register()
980 			connector->base.base.id, connector->base.name, name, PTR_ERR(bd));  in intel_backlight_device_register()
988 		    "[CONNECTOR:%d:%s] backlight device %s registered\n",  in intel_backlight_device_register()
989 		    connector->base.base.id, connector->base.name, name);  in intel_backlight_device_register()
997 void intel_backlight_device_unregister(struct intel_connector *connector)  in intel_backlight_device_unregister()  argument
999 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_unregister()
1012 static u32 cnp_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in cnp_hz_to_pwm()  argument
1014 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in cnp_hz_to_pwm()
1023 static u32 bxt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in bxt_hz_to_pwm()  argument
1033 static u32 spt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in spt_hz_to_pwm()  argument
1035 	struct intel_panel *panel = &connector->panel;  in spt_hz_to_pwm()
1051 static u32 lpt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in lpt_hz_to_pwm()  argument
1053 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_hz_to_pwm()
1054 	struct intel_panel *panel = &connector->panel;  in lpt_hz_to_pwm()
1074 static u32 pch_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in pch_hz_to_pwm()  argument
1076 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_hz_to_pwm()
1090 static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in i9xx_hz_to_pwm()  argument
1092 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_hz_to_pwm()
1108 static u32 i965_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in i965_hz_to_pwm()  argument
1110 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i965_hz_to_pwm()
1126 static u32 vlv_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in vlv_hz_to_pwm()  argument
1128 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_hz_to_pwm()
1145 static u16 get_vbt_pwm_freq(struct intel_connector *connector)  in get_vbt_pwm_freq()  argument
1147 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in get_vbt_pwm_freq()
1148 	u16 pwm_freq_hz = connector->panel.vbt.backlight.pwm_freq_hz;  in get_vbt_pwm_freq()
1164 static u32 get_backlight_max_vbt(struct intel_connector *connector)  in get_backlight_max_vbt()  argument
1166 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in get_backlight_max_vbt()
1167 	struct intel_panel *panel = &connector->panel;  in get_backlight_max_vbt()
1168 	u16 pwm_freq_hz = get_vbt_pwm_freq(connector);  in get_backlight_max_vbt()
1177 	pwm = panel->backlight.pwm_funcs->hz_to_pwm(connector, pwm_freq_hz);  in get_backlight_max_vbt()
1190 static u32 get_backlight_min_vbt(struct intel_connector *connector)  in get_backlight_min_vbt()  argument
1192 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in get_backlight_min_vbt()
1193 	struct intel_panel *panel = &connector->panel;  in get_backlight_min_vbt()
1205 	min = clamp_t(int, connector->panel.vbt.backlight.min_brightness, 0, 64);  in get_backlight_min_vbt()
1206 	if (min != connector->panel.vbt.backlight.min_brightness) {  in get_backlight_min_vbt()
1209 			    connector->panel.vbt.backlight.min_brightness, min);  in get_backlight_min_vbt()
1216 static int lpt_setup_backlight(struct intel_connector *connector, enum pipe unused)  in lpt_setup_backlight()  argument
1218 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_setup_backlight()
1219 	struct intel_panel *panel = &connector->panel;  in lpt_setup_backlight()
1238 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in lpt_setup_backlight()
1243 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in lpt_setup_backlight()
1252 		val = pch_get_backlight(connector, unused);  in lpt_setup_backlight()
1258 		lpt_set_backlight(connector->base.state, val);  in lpt_setup_backlight()
1267 		    "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control\n",  in lpt_setup_backlight()
1268 		    connector->base.base.id, connector->base.name);  in lpt_setup_backlight()
1273 static int pch_setup_backlight(struct intel_connector *connector, enum pipe unused)  in pch_setup_backlight()  argument
1275 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_setup_backlight()
1276 	struct intel_panel *panel = &connector->panel;  in pch_setup_backlight()
1286 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in pch_setup_backlight()
1291 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in pch_setup_backlight()
1298 		    "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control\n",  in pch_setup_backlight()
1299 		    connector->base.base.id, connector->base.name);  in pch_setup_backlight()
1304 static int i9xx_setup_backlight(struct intel_connector *connector, enum pipe unused)  in i9xx_setup_backlight()  argument
1306 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_setup_backlight()
1307 	struct intel_panel *panel = &connector->panel;  in i9xx_setup_backlight()
1321 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in i9xx_setup_backlight()
1331 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in i9xx_setup_backlight()
1333 	val = i9xx_get_backlight(connector, unused);  in i9xx_setup_backlight()
1334 	val = intel_backlight_invert_pwm_level(connector, val);  in i9xx_setup_backlight()
1340 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control\n",  in i9xx_setup_backlight()
1341 		    connector->base.base.id, connector->base.name);  in i9xx_setup_backlight()
1346 static int i965_setup_backlight(struct intel_connector *connector, enum pipe unused)  in i965_setup_backlight()  argument
1348 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i965_setup_backlight()
1349 	struct intel_panel *panel = &connector->panel;  in i965_setup_backlight()
1360 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in i965_setup_backlight()
1368 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in i965_setup_backlight()
1373 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control\n",  in i965_setup_backlight()
1374 		    connector->base.base.id, connector->base.name);  in i965_setup_backlight()
1379 static int vlv_setup_backlight(struct intel_connector *connector, enum pipe pipe)  in vlv_setup_backlight()  argument
1381 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_setup_backlight()
1382 	struct intel_panel *panel = &connector->panel;  in vlv_setup_backlight()
1395 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in vlv_setup_backlight()
1400 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in vlv_setup_backlight()
1405 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control (on pipe %c)\n",  in vlv_setup_backlight()
1406 		    connector->base.base.id, connector->base.name, pipe_name(pipe));  in vlv_setup_backlight()
1412 bxt_setup_backlight(struct intel_connector *connector, enum pipe unused)  in bxt_setup_backlight()  argument
1414 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_setup_backlight()
1415 	struct intel_panel *panel = &connector->panel;  in bxt_setup_backlight()
1418 	panel->backlight.controller = connector->panel.vbt.backlight.controller;  in bxt_setup_backlight()
1435 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in bxt_setup_backlight()
1440 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in bxt_setup_backlight()
1445 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control (controller=%d)\n",  in bxt_setup_backlight()
1446 		    connector->base.base.id, connector->base.name,  in bxt_setup_backlight()
1480 cnp_setup_backlight(struct intel_connector *connector, enum pipe unused)  in cnp_setup_backlight()  argument
1482 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in cnp_setup_backlight()
1483 	struct intel_panel *panel = &connector->panel;  in cnp_setup_backlight()
1490 	panel->backlight.controller = connector->panel.vbt.backlight.controller;  in cnp_setup_backlight()
1492 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] Invalid backlight controller %d, assuming 0\n",  in cnp_setup_backlight()
1493 			    connector->base.base.id, connector->base.name,  in cnp_setup_backlight()
1506 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in cnp_setup_backlight()
1511 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in cnp_setup_backlight()
1516 		    "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control (controller=%d)\n",  in cnp_setup_backlight()
1517 		    connector->base.base.id, connector->base.name,  in cnp_setup_backlight()
1523 static int ext_pwm_setup_backlight(struct intel_connector *connector,  in ext_pwm_setup_backlight()  argument
1526 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in ext_pwm_setup_backlight()
1527 	struct intel_panel *panel = &connector->panel;  in ext_pwm_setup_backlight()
1532 	if (connector->panel.vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) {  in ext_pwm_setup_backlight()
1541 		drm_err(&i915->drm, "[CONNECTOR:%d:%s] Failed to get the %s PWM chip\n",  in ext_pwm_setup_backlight()
1542 			connector->base.base.id, connector->base.name, desc);  in ext_pwm_setup_backlight()
1548 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in ext_pwm_setup_backlight()
1556 		level = intel_backlight_invert_pwm_level(connector, level);  in ext_pwm_setup_backlight()
1559 …drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] PWM already enabled at freq %ld, VBT freq %d, level %d\…  in ext_pwm_setup_backlight()
1560 			    connector->base.base.id, connector->base.name,  in ext_pwm_setup_backlight()
1562 			    get_vbt_pwm_freq(connector), level);  in ext_pwm_setup_backlight()
1566 			NSEC_PER_SEC / get_vbt_pwm_freq(connector);  in ext_pwm_setup_backlight()
1570 		    "[CONNECTOR:%d:%s] Using %s PWM for backlight control\n",  in ext_pwm_setup_backlight()
1571 		    connector->base.base.id, connector->base.name, desc);  in ext_pwm_setup_backlight()
1578 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_pwm_set_backlight()  local
1579 	struct intel_panel *panel = &connector->panel;  in intel_pwm_set_backlight()
1582 					intel_backlight_invert_pwm_level(connector, level));  in intel_pwm_set_backlight()
1585 static u32 intel_pwm_get_backlight(struct intel_connector *connector, enum pipe pipe)  in intel_pwm_get_backlight()  argument
1587 	struct intel_panel *panel = &connector->panel;  in intel_pwm_get_backlight()
1589 	return intel_backlight_invert_pwm_level(connector,  in intel_pwm_get_backlight()
1590 					    panel->backlight.pwm_funcs->get(connector, pipe));  in intel_pwm_get_backlight()
1596 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_pwm_enable_backlight()  local
1597 	struct intel_panel *panel = &connector->panel;  in intel_pwm_enable_backlight()
1600 					   intel_backlight_invert_pwm_level(connector, level));  in intel_pwm_enable_backlight()
1605 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_pwm_disable_backlight()  local
1606 	struct intel_panel *panel = &connector->panel;  in intel_pwm_disable_backlight()
1609 					    intel_backlight_invert_pwm_level(connector, level));  in intel_pwm_disable_backlight()
1612 static int intel_pwm_setup_backlight(struct intel_connector *connector, enum pipe pipe)  in intel_pwm_setup_backlight()  argument
1614 	struct intel_panel *panel = &connector->panel;  in intel_pwm_setup_backlight()
1617 	ret = panel->backlight.pwm_funcs->setup(connector, pipe);  in intel_pwm_setup_backlight()
1623 	panel->backlight.level = intel_pwm_get_backlight(connector, pipe);  in intel_pwm_setup_backlight()
1634 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_update()  local
1635 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_update()
1636 	struct intel_panel *panel = &connector->panel;  in intel_backlight_update()
1648 int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe)  in intel_backlight_setup()  argument
1650 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_setup()
1651 	struct intel_panel *panel = &connector->panel;  in intel_backlight_setup()
1654 	if (!connector->panel.vbt.backlight.present) {  in intel_backlight_setup()
1657 				    "[CONNECTOR:%d:%s] no backlight present per VBT, but present per quirk\n",  in intel_backlight_setup()
1658 				    connector->base.base.id, connector->base.name);  in intel_backlight_setup()
1661 				    "[CONNECTOR:%d:%s] no backlight present per VBT\n",  in intel_backlight_setup()
1662 				    connector->base.base.id, connector->base.name);  in intel_backlight_setup()
1673 	ret = panel->backlight.funcs->setup(connector, pipe);  in intel_backlight_setup()
1678 			    "[CONNECTOR:%d:%s] failed to setup backlight\n",  in intel_backlight_setup()
1679 			    connector->base.base.id, connector->base.name);  in intel_backlight_setup()
1686 		    "[CONNECTOR:%d:%s] backlight initialized, %s, brightness %u/%u\n",  in intel_backlight_setup()
1687 		    connector->base.base.id, connector->base.name,  in intel_backlight_setup()
1794 	struct intel_connector *connector =  in intel_backlight_init_funcs()  local
1796 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_init_funcs()
1798 	if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI &&  in intel_backlight_init_funcs()
1799 	    intel_dsi_dcs_init_backlight_funcs(connector) == 0)  in intel_backlight_init_funcs()
1814 		if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI) {  in intel_backlight_init_funcs()
1825 	if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) {  in intel_backlight_init_funcs()
1826 		if (intel_dp_aux_init_backlight_funcs(connector) == 0)  in intel_backlight_init_funcs()
1830 			connector->panel.backlight.power = intel_pps_backlight_power;  in intel_backlight_init_funcs()