62 static u32 clamp_user_to_hw(struct intel_connector *connector,  in clamp_user_to_hw()  argument
65 	struct intel_panel *panel = &connector->panel;  in clamp_user_to_hw()
75 static u32 scale_hw_to_user(struct intel_connector *connector,  in scale_hw_to_user()  argument
78 	struct intel_panel *panel = &connector->panel;  in scale_hw_to_user()
84 u32 intel_backlight_invert_pwm_level(struct intel_connector *connector, u32 val)  in intel_backlight_invert_pwm_level()  argument
86 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_invert_pwm_level()
87 	struct intel_panel *panel = &connector->panel;  in intel_backlight_invert_pwm_level()
104 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_set_pwm_level()  local
105 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_set_pwm_level()
106 	struct intel_panel *panel = &connector->panel;  in intel_backlight_set_pwm_level()
108 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] set backlight PWM = %d\n",  in intel_backlight_set_pwm_level()
109 		    connector->base.base.id, connector->base.name, val);  in intel_backlight_set_pwm_level()
113 u32 intel_backlight_level_to_pwm(struct intel_connector *connector, u32 val)  in intel_backlight_level_to_pwm()  argument
115 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_level_to_pwm()
116 	struct intel_panel *panel = &connector->panel;  in intel_backlight_level_to_pwm()
124 	return intel_backlight_invert_pwm_level(connector, val);  in intel_backlight_level_to_pwm()
127 u32 intel_backlight_level_from_pwm(struct intel_connector *connector, u32 val)  in intel_backlight_level_from_pwm()  argument
129 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_level_from_pwm()
130 	struct intel_panel *panel = &connector->panel;  in intel_backlight_level_from_pwm()
144 static u32 lpt_get_backlight(struct intel_connector *connector, enum pipe unused)  in lpt_get_backlight()  argument
146 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_get_backlight()
151 static u32 pch_get_backlight(struct intel_connector *connector, enum pipe unused)  in pch_get_backlight()  argument
153 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_get_backlight()
158 static u32 i9xx_get_backlight(struct intel_connector *connector, enum pipe unused)  in i9xx_get_backlight()  argument
160 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_get_backlight()
161 	struct intel_panel *panel = &connector->panel;  in i9xx_get_backlight()
178 static u32 vlv_get_backlight(struct intel_connector *connector, enum pipe pipe)  in vlv_get_backlight()  argument
180 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_get_backlight()
188 static u32 bxt_get_backlight(struct intel_connector *connector, enum pipe unused)  in bxt_get_backlight()  argument
190 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_get_backlight()
191 	struct intel_panel *panel = &connector->panel;  in bxt_get_backlight()
196 static u32 ext_pwm_get_backlight(struct intel_connector *connector, enum pipe unused)  in ext_pwm_get_backlight()  argument
198 	struct intel_panel *panel = &connector->panel;  in ext_pwm_get_backlight()
207 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in lpt_set_backlight()  local
208 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_set_backlight()
217 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in pch_set_backlight()  local
218 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_set_backlight()
227 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i9xx_set_backlight()  local
228 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_set_backlight()
229 	struct intel_panel *panel = &connector->panel;  in i9xx_set_backlight()
255 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in vlv_set_backlight()  local
256 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_set_backlight()
266 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in bxt_set_backlight()  local
267 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_set_backlight()
268 	struct intel_panel *panel = &connector->panel;  in bxt_set_backlight()
275 	struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel;  in ext_pwm_set_backlight()
284 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_actually_set_backlight()  local
285 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_panel_actually_set_backlight()
286 	struct intel_panel *panel = &connector->panel;  in intel_panel_actually_set_backlight()
288 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] set backlight level = %d\n",  in intel_panel_actually_set_backlight()
289 		    connector->base.base.id, connector->base.name, level);  in intel_panel_actually_set_backlight()
300 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_set_acpi()  local
301 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_set_acpi()
302 	struct intel_panel *panel = &connector->panel;  in intel_backlight_set_acpi()
318 	hw_level = clamp_user_to_hw(connector, user_level, user_max);  in intel_backlight_set_acpi()
323 			scale_hw_to_user(connector,  in intel_backlight_set_acpi()
335 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in lpt_disable_backlight()  local
336 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_disable_backlight()
351 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] CPU backlight was enabled, disabling\n",  in lpt_disable_backlight()
352 			    connector->base.base.id, connector->base.name);  in lpt_disable_backlight()
361 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in pch_disable_backlight()  local
362 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_disable_backlight()
378 	struct drm_i915_private *i915 = to_i915(old_conn_state->connector->dev);  in i965_disable_backlight()
387 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in vlv_disable_backlight()  local
388 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_disable_backlight()
398 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in bxt_disable_backlight()  local
399 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_disable_backlight()
400 	struct intel_panel *panel = &connector->panel;  in bxt_disable_backlight()
413 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in cnp_disable_backlight()  local
414 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in cnp_disable_backlight()
415 	struct intel_panel *panel = &connector->panel;  in cnp_disable_backlight()
425 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in ext_pwm_disable_backlight()  local
426 	struct intel_panel *panel = &connector->panel;  in ext_pwm_disable_backlight()
436 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in intel_backlight_disable()  local
437 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_disable()
438 	struct intel_panel *panel = &connector->panel;  in intel_backlight_disable()
450 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] Skipping backlight disable on vga switch\n",  in intel_backlight_disable()
451 			    connector->base.base.id, connector->base.name);  in intel_backlight_disable()
468 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in lpt_enable_backlight()  local
469 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_enable_backlight()
470 	struct intel_panel *panel = &connector->panel;  in lpt_enable_backlight()
475 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] PCH backlight already enabled\n",  in lpt_enable_backlight()
476 			    connector->base.base.id, connector->base.name);  in lpt_enable_backlight()
512 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in pch_enable_backlight()  local
513 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_enable_backlight()
514 	struct intel_panel *panel = &connector->panel;  in pch_enable_backlight()
520 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] CPU backlight already enabled\n",  in pch_enable_backlight()
521 			    connector->base.base.id, connector->base.name);  in pch_enable_backlight()
528 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] PCH backlight already enabled\n",  in pch_enable_backlight()
529 			    connector->base.base.id, connector->base.name);  in pch_enable_backlight()
560 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i9xx_enable_backlight()  local
561 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_enable_backlight()
562 	struct intel_panel *panel = &connector->panel;  in i9xx_enable_backlight()
567 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] backlight already enabled\n",  in i9xx_enable_backlight()
568 			    connector->base.base.id, connector->base.name);  in i9xx_enable_backlight()
600 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i965_enable_backlight()  local
601 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i965_enable_backlight()
602 	struct intel_panel *panel = &connector->panel;  in i965_enable_backlight()
608 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] backlight already enabled\n",  in i965_enable_backlight()
609 			    connector->base.base.id, connector->base.name);  in i965_enable_backlight()
636 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in vlv_enable_backlight()  local
637 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_enable_backlight()
638 	struct intel_panel *panel = &connector->panel;  in vlv_enable_backlight()
644 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] backlight already enabled\n",  in vlv_enable_backlight()
645 			    connector->base.base.id, connector->base.name);  in vlv_enable_backlight()
667 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in bxt_enable_backlight()  local
668 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_enable_backlight()
669 	struct intel_panel *panel = &connector->panel;  in bxt_enable_backlight()
677 			drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] utility pin already enabled\n",  in bxt_enable_backlight()
678 				    connector->base.base.id, connector->base.name);  in bxt_enable_backlight()
692 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] backlight already enabled\n",  in bxt_enable_backlight()
693 			    connector->base.base.id, connector->base.name);  in bxt_enable_backlight()
717 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in cnp_enable_backlight()  local
718 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in cnp_enable_backlight()
719 	struct intel_panel *panel = &connector->panel;  in cnp_enable_backlight()
748 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in ext_pwm_enable_backlight()  local
749 	struct intel_panel *panel = &connector->panel;  in ext_pwm_enable_backlight()
759 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in __intel_backlight_enable()  local
760 	struct intel_panel *panel = &connector->panel;  in __intel_backlight_enable()
768 				scale_hw_to_user(connector,  in __intel_backlight_enable()
782 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_enable()  local
783 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_enable()
784 	struct intel_panel *panel = &connector->panel;  in intel_backlight_enable()
800 static u32 intel_panel_get_backlight(struct intel_connector *connector)  in intel_panel_get_backlight()  argument
802 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_panel_get_backlight()
803 	struct intel_panel *panel = &connector->panel;  in intel_panel_get_backlight()
809 		val = panel->backlight.funcs->get(connector, intel_connector_get_pipe(connector));  in intel_panel_get_backlight()
818 static u32 scale_user_to_hw(struct intel_connector *connector,  in scale_user_to_hw()  argument
821 	struct intel_panel *panel = &connector->panel;  in scale_user_to_hw()
831 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_set_backlight()  local
832 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_panel_set_backlight()
833 	struct intel_panel *panel = &connector->panel;  in intel_panel_set_backlight()
843 	hw_level = scale_user_to_hw(connector, user_level, user_max);  in intel_panel_set_backlight()
854 	struct intel_connector *connector = bl_get_data(bd);  in intel_backlight_device_update_status()  local
855 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_device_update_status()
856 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_update_status()
862 	intel_panel_set_backlight(connector->base.state, bd->props.brightness,  in intel_backlight_device_update_status()
875 			panel->backlight.power(connector, enable);  in intel_backlight_device_update_status()
888 	struct intel_connector *connector = bl_get_data(bd);  in intel_backlight_device_get_brightness()  local
889 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_device_get_brightness()
898 		hw_level = intel_panel_get_backlight(connector);  in intel_backlight_device_get_brightness()
899 		ret = scale_hw_to_user(connector,  in intel_backlight_device_get_brightness()
913 int intel_backlight_device_register(struct intel_connector *connector)  in intel_backlight_device_register()  argument
915 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_device_register()
916 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_register()
943 	props.brightness = scale_hw_to_user(connector,  in intel_backlight_device_register()
960 		 * Using the same name independent of the drm device or connector  in intel_backlight_device_register()
968 				 i915->drm.primary->index, connector->base.name);  in intel_backlight_device_register()
972 	bd = backlight_device_register(name, connector->base.kdev, connector,  in intel_backlight_device_register()
977 			"[CONNECTOR:%d:%s] backlight device %s register failed: %ld\n",  in intel_backlight_device_register()
978 			connector->base.base.id, connector->base.name, name, PTR_ERR(bd));  in intel_backlight_device_register()
986 		    "[CONNECTOR:%d:%s] backlight device %s registered\n",  in intel_backlight_device_register()
987 		    connector->base.base.id, connector->base.name, name);  in intel_backlight_device_register()
995 void intel_backlight_device_unregister(struct intel_connector *connector)  in intel_backlight_device_unregister()  argument
997 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_unregister()
1010 static u32 cnp_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in cnp_hz_to_pwm()  argument
1012 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in cnp_hz_to_pwm()
1021 static u32 bxt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in bxt_hz_to_pwm()  argument
1031 static u32 spt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in spt_hz_to_pwm()  argument
1033 	struct intel_panel *panel = &connector->panel;  in spt_hz_to_pwm()
1049 static u32 lpt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in lpt_hz_to_pwm()  argument
1051 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_hz_to_pwm()
1052 	struct intel_panel *panel = &connector->panel;  in lpt_hz_to_pwm()
1072 static u32 pch_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in pch_hz_to_pwm()  argument
1074 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_hz_to_pwm()
1088 static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in i9xx_hz_to_pwm()  argument
1090 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_hz_to_pwm()
1106 static u32 i965_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in i965_hz_to_pwm()  argument
1108 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i965_hz_to_pwm()
1124 static u32 vlv_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in vlv_hz_to_pwm()  argument
1126 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_hz_to_pwm()
1143 static u16 get_vbt_pwm_freq(struct intel_connector *connector)  in get_vbt_pwm_freq()  argument
1145 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in get_vbt_pwm_freq()
1146 	u16 pwm_freq_hz = connector->panel.vbt.backlight.pwm_freq_hz;  in get_vbt_pwm_freq()
1162 static u32 get_backlight_max_vbt(struct intel_connector *connector)  in get_backlight_max_vbt()  argument
1164 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in get_backlight_max_vbt()
1165 	struct intel_panel *panel = &connector->panel;  in get_backlight_max_vbt()
1166 	u16 pwm_freq_hz = get_vbt_pwm_freq(connector);  in get_backlight_max_vbt()
1175 	pwm = panel->backlight.pwm_funcs->hz_to_pwm(connector, pwm_freq_hz);  in get_backlight_max_vbt()
1188 static u32 get_backlight_min_vbt(struct intel_connector *connector)  in get_backlight_min_vbt()  argument
1190 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in get_backlight_min_vbt()
1191 	struct intel_panel *panel = &connector->panel;  in get_backlight_min_vbt()
1203 	min = clamp_t(int, connector->panel.vbt.backlight.min_brightness, 0, 64);  in get_backlight_min_vbt()
1204 	if (min != connector->panel.vbt.backlight.min_brightness) {  in get_backlight_min_vbt()
1207 			    connector->panel.vbt.backlight.min_brightness, min);  in get_backlight_min_vbt()
1214 static int lpt_setup_backlight(struct intel_connector *connector, enum pipe unused)  in lpt_setup_backlight()  argument
1216 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_setup_backlight()
1217 	struct intel_panel *panel = &connector->panel;  in lpt_setup_backlight()
1236 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in lpt_setup_backlight()
1241 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in lpt_setup_backlight()
1250 		val = pch_get_backlight(connector, unused);  in lpt_setup_backlight()
1256 		lpt_set_backlight(connector->base.state, val);  in lpt_setup_backlight()
1265 		    "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control\n",  in lpt_setup_backlight()
1266 		    connector->base.base.id, connector->base.name);  in lpt_setup_backlight()
1271 static int pch_setup_backlight(struct intel_connector *connector, enum pipe unused)  in pch_setup_backlight()  argument
1273 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in pch_setup_backlight()
1274 	struct intel_panel *panel = &connector->panel;  in pch_setup_backlight()
1284 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in pch_setup_backlight()
1289 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in pch_setup_backlight()
1296 		    "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control\n",  in pch_setup_backlight()
1297 		    connector->base.base.id, connector->base.name);  in pch_setup_backlight()
1302 static int i9xx_setup_backlight(struct intel_connector *connector, enum pipe unused)  in i9xx_setup_backlight()  argument
1304 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i9xx_setup_backlight()
1305 	struct intel_panel *panel = &connector->panel;  in i9xx_setup_backlight()
1319 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in i9xx_setup_backlight()
1329 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in i9xx_setup_backlight()
1331 	val = i9xx_get_backlight(connector, unused);  in i9xx_setup_backlight()
1332 	val = intel_backlight_invert_pwm_level(connector, val);  in i9xx_setup_backlight()
1338 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control\n",  in i9xx_setup_backlight()
1339 		    connector->base.base.id, connector->base.name);  in i9xx_setup_backlight()
1344 static int i965_setup_backlight(struct intel_connector *connector, enum pipe unused)  in i965_setup_backlight()  argument
1346 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in i965_setup_backlight()
1347 	struct intel_panel *panel = &connector->panel;  in i965_setup_backlight()
1358 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in i965_setup_backlight()
1366 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in i965_setup_backlight()
1371 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control\n",  in i965_setup_backlight()
1372 		    connector->base.base.id, connector->base.name);  in i965_setup_backlight()
1377 static int vlv_setup_backlight(struct intel_connector *connector, enum pipe pipe)  in vlv_setup_backlight()  argument
1379 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in vlv_setup_backlight()
1380 	struct intel_panel *panel = &connector->panel;  in vlv_setup_backlight()
1393 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in vlv_setup_backlight()
1398 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in vlv_setup_backlight()
1403 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control (on pipe %c)\n",  in vlv_setup_backlight()
1404 		    connector->base.base.id, connector->base.name, pipe_name(pipe));  in vlv_setup_backlight()
1410 bxt_setup_backlight(struct intel_connector *connector, enum pipe unused)  in bxt_setup_backlight()  argument
1412 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in bxt_setup_backlight()
1413 	struct intel_panel *panel = &connector->panel;  in bxt_setup_backlight()
1416 	panel->backlight.controller = connector->panel.vbt.backlight.controller;  in bxt_setup_backlight()
1433 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in bxt_setup_backlight()
1438 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in bxt_setup_backlight()
1443 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control (controller=%d)\n",  in bxt_setup_backlight()
1444 		    connector->base.base.id, connector->base.name,  in bxt_setup_backlight()
1478 cnp_setup_backlight(struct intel_connector *connector, enum pipe unused)  in cnp_setup_backlight()  argument
1480 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in cnp_setup_backlight()
1481 	struct intel_panel *panel = &connector->panel;  in cnp_setup_backlight()
1488 	panel->backlight.controller = connector->panel.vbt.backlight.controller;  in cnp_setup_backlight()
1490 		drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] Invalid backlight controller %d, assuming 0\n",  in cnp_setup_backlight()
1491 			    connector->base.base.id, connector->base.name,  in cnp_setup_backlight()
1504 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in cnp_setup_backlight()
1509 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in cnp_setup_backlight()
1514 		    "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control (controller=%d)\n",  in cnp_setup_backlight()
1515 		    connector->base.base.id, connector->base.name,  in cnp_setup_backlight()
1521 static int ext_pwm_setup_backlight(struct intel_connector *connector,  in ext_pwm_setup_backlight()  argument
1524 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in ext_pwm_setup_backlight()
1525 	struct intel_panel *panel = &connector->panel;  in ext_pwm_setup_backlight()
1530 	if (connector->panel.vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) {  in ext_pwm_setup_backlight()
1539 		drm_err(&i915->drm, "[CONNECTOR:%d:%s] Failed to get the %s PWM chip\n",  in ext_pwm_setup_backlight()
1540 			connector->base.base.id, connector->base.name, desc);  in ext_pwm_setup_backlight()
1546 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in ext_pwm_setup_backlight()
1554 		level = intel_backlight_invert_pwm_level(connector, level);  in ext_pwm_setup_backlight()
1557 …drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] PWM already enabled at freq %ld, VBT freq %d, level %d\…  in ext_pwm_setup_backlight()
1558 			    connector->base.base.id, connector->base.name,  in ext_pwm_setup_backlight()
1560 			    get_vbt_pwm_freq(connector), level);  in ext_pwm_setup_backlight()
1564 			NSEC_PER_SEC / get_vbt_pwm_freq(connector);  in ext_pwm_setup_backlight()
1568 		    "[CONNECTOR:%d:%s] Using %s PWM for backlight control\n",  in ext_pwm_setup_backlight()
1569 		    connector->base.base.id, connector->base.name, desc);  in ext_pwm_setup_backlight()
1576 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_pwm_set_backlight()  local
1577 	struct intel_panel *panel = &connector->panel;  in intel_pwm_set_backlight()
1580 					intel_backlight_invert_pwm_level(connector, level));  in intel_pwm_set_backlight()
1583 static u32 intel_pwm_get_backlight(struct intel_connector *connector, enum pipe pipe)  in intel_pwm_get_backlight()  argument
1585 	struct intel_panel *panel = &connector->panel;  in intel_pwm_get_backlight()
1587 	return intel_backlight_invert_pwm_level(connector,  in intel_pwm_get_backlight()
1588 					    panel->backlight.pwm_funcs->get(connector, pipe));  in intel_pwm_get_backlight()
1594 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_pwm_enable_backlight()  local
1595 	struct intel_panel *panel = &connector->panel;  in intel_pwm_enable_backlight()
1598 					   intel_backlight_invert_pwm_level(connector, level));  in intel_pwm_enable_backlight()
1603 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_pwm_disable_backlight()  local
1604 	struct intel_panel *panel = &connector->panel;  in intel_pwm_disable_backlight()
1607 					    intel_backlight_invert_pwm_level(connector, level));  in intel_pwm_disable_backlight()
1610 static int intel_pwm_setup_backlight(struct intel_connector *connector, enum pipe pipe)  in intel_pwm_setup_backlight()  argument
1612 	struct intel_panel *panel = &connector->panel;  in intel_pwm_setup_backlight()
1615 	ret = panel->backlight.pwm_funcs->setup(connector, pipe);  in intel_pwm_setup_backlight()
1621 	panel->backlight.level = intel_pwm_get_backlight(connector, pipe);  in intel_pwm_setup_backlight()
1632 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_update()  local
1633 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_update()
1634 	struct intel_panel *panel = &connector->panel;  in intel_backlight_update()
1646 int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe)  in intel_backlight_setup()  argument
1648 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_setup()
1649 	struct intel_panel *panel = &connector->panel;  in intel_backlight_setup()
1652 	if (!connector->panel.vbt.backlight.present) {  in intel_backlight_setup()
1655 				    "[CONNECTOR:%d:%s] no backlight present per VBT, but present per quirk\n",  in intel_backlight_setup()
1656 				    connector->base.base.id, connector->base.name);  in intel_backlight_setup()
1659 				    "[CONNECTOR:%d:%s] no backlight present per VBT\n",  in intel_backlight_setup()
1660 				    connector->base.base.id, connector->base.name);  in intel_backlight_setup()
1671 	ret = panel->backlight.funcs->setup(connector, pipe);  in intel_backlight_setup()
1676 			    "[CONNECTOR:%d:%s] failed to setup backlight\n",  in intel_backlight_setup()
1677 			    connector->base.base.id, connector->base.name);  in intel_backlight_setup()
1684 		    "[CONNECTOR:%d:%s] backlight initialized, %s, brightness %u/%u\n",  in intel_backlight_setup()
1685 		    connector->base.base.id, connector->base.name,  in intel_backlight_setup()
1792 	struct intel_connector *connector =  in intel_backlight_init_funcs()  local
1794 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_init_funcs()
1796 	if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI &&  in intel_backlight_init_funcs()
1797 	    intel_dsi_dcs_init_backlight_funcs(connector) == 0)  in intel_backlight_init_funcs()
1812 		if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI) {  in intel_backlight_init_funcs()
1823 	if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) {  in intel_backlight_init_funcs()
1824 		if (intel_dp_aux_init_backlight_funcs(connector) == 0)  in intel_backlight_init_funcs()
1828 			connector->panel.backlight.power = intel_pps_backlight_power;  in intel_backlight_init_funcs()