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 intel_display *display = to_intel_display(connector);  in intel_backlight_set_pwm_level()
108 	struct intel_panel *panel = &connector->panel;  in intel_backlight_set_pwm_level()
110 	drm_dbg_kms(display->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 intel_display *display = to_intel_display(connector);  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 intel_display *display = to_intel_display(connector);  in lpt_get_backlight()
153 static u32 pch_get_backlight(struct intel_connector *connector, enum pipe unused)  in pch_get_backlight()  argument
155 	struct intel_display *display = to_intel_display(connector);  in pch_get_backlight()
160 static u32 i9xx_get_backlight(struct intel_connector *connector, enum pipe unused)  in i9xx_get_backlight()  argument
162 	struct intel_display *display = to_intel_display(connector);  in i9xx_get_backlight()
163 	struct intel_panel *panel = &connector->panel;  in i9xx_get_backlight()
181 static u32 vlv_get_backlight(struct intel_connector *connector, enum pipe pipe)  in vlv_get_backlight()  argument
183 	struct intel_display *display = to_intel_display(connector);  in vlv_get_backlight()
191 static u32 bxt_get_backlight(struct intel_connector *connector, enum pipe unused)  in bxt_get_backlight()  argument
193 	struct intel_display *display = to_intel_display(connector);  in bxt_get_backlight()
194 	struct intel_panel *panel = &connector->panel;  in bxt_get_backlight()
199 static u32 ext_pwm_get_backlight(struct intel_connector *connector, enum pipe unused)  in ext_pwm_get_backlight()  argument
201 	struct intel_panel *panel = &connector->panel;  in ext_pwm_get_backlight()
210 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in lpt_set_backlight()  local
211 	struct intel_display *display = to_intel_display(connector);  in lpt_set_backlight()
220 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in pch_set_backlight()  local
221 	struct intel_display *display = to_intel_display(connector);  in pch_set_backlight()
230 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i9xx_set_backlight()  local
231 	struct intel_display *display = to_intel_display(connector);  in i9xx_set_backlight()
232 	struct intel_panel *panel = &connector->panel;  in i9xx_set_backlight()
259 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in vlv_set_backlight()  local
260 	struct intel_display *display = to_intel_display(connector);  in vlv_set_backlight()
270 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in bxt_set_backlight()  local
271 	struct intel_display *display = to_intel_display(connector);  in bxt_set_backlight()
272 	struct intel_panel *panel = &connector->panel;  in bxt_set_backlight()
279 	struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel;  in ext_pwm_set_backlight()
288 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_actually_set_backlight()  local
289 	struct intel_display *display = to_intel_display(connector);  in intel_panel_actually_set_backlight()
290 	struct intel_panel *panel = &connector->panel;  in intel_panel_actually_set_backlight()
292 	drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] set backlight level = %d\n",  in intel_panel_actually_set_backlight()
293 		    connector->base.base.id, connector->base.name, level);  in intel_panel_actually_set_backlight()
304 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_set_acpi()  local
305 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_set_acpi()
306 	struct intel_panel *panel = &connector->panel;  in intel_backlight_set_acpi()
322 	hw_level = clamp_user_to_hw(connector, user_level, user_max);  in intel_backlight_set_acpi()
327 			scale_hw_to_user(connector,  in intel_backlight_set_acpi()
339 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in lpt_disable_backlight()  local
340 	struct intel_display *display = to_intel_display(connector);  in lpt_disable_backlight()
355 		drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] CPU backlight was enabled, disabling\n",  in lpt_disable_backlight()
356 			    connector->base.base.id, connector->base.name);  in lpt_disable_backlight()
365 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in pch_disable_backlight()  local
366 	struct intel_display *display = to_intel_display(connector);  in pch_disable_backlight()
382 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in i965_disable_backlight()  local
383 	struct intel_display *display = to_intel_display(connector);  in i965_disable_backlight()
392 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in vlv_disable_backlight()  local
393 	struct intel_display *display = to_intel_display(connector);  in vlv_disable_backlight()
403 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in bxt_disable_backlight()  local
404 	struct intel_display *display = to_intel_display(connector);  in bxt_disable_backlight()
405 	struct intel_panel *panel = &connector->panel;  in bxt_disable_backlight()
418 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in cnp_disable_backlight()  local
419 	struct intel_display *display = to_intel_display(connector);  in cnp_disable_backlight()
420 	struct intel_panel *panel = &connector->panel;  in cnp_disable_backlight()
430 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in ext_pwm_disable_backlight()  local
431 	struct intel_panel *panel = &connector->panel;  in ext_pwm_disable_backlight()
441 	struct intel_connector *connector = to_intel_connector(old_conn_state->connector);  in intel_backlight_disable()  local
442 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_disable()
443 	struct intel_panel *panel = &connector->panel;  in intel_backlight_disable()
455 		drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] Skipping backlight disable on vga switch\n",  in intel_backlight_disable()
456 			    connector->base.base.id, connector->base.name);  in intel_backlight_disable()
473 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in lpt_enable_backlight()  local
474 	struct intel_display *display = to_intel_display(connector);  in lpt_enable_backlight()
475 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_enable_backlight()
476 	struct intel_panel *panel = &connector->panel;  in lpt_enable_backlight()
482 			    "[CONNECTOR:%d:%s] PCH backlight already enabled\n",  in lpt_enable_backlight()
483 			    connector->base.base.id, connector->base.name);  in lpt_enable_backlight()
519 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in pch_enable_backlight()  local
520 	struct intel_display *display = to_intel_display(connector);  in pch_enable_backlight()
521 	struct intel_panel *panel = &connector->panel;  in pch_enable_backlight()
528 			    "[CONNECTOR:%d:%s] CPU backlight already enabled\n",  in pch_enable_backlight()
529 			    connector->base.base.id, connector->base.name);  in pch_enable_backlight()
537 			    "[CONNECTOR:%d:%s] PCH backlight already enabled\n",  in pch_enable_backlight()
538 			    connector->base.base.id, connector->base.name);  in pch_enable_backlight()
569 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i9xx_enable_backlight()  local
570 	struct intel_display *display = to_intel_display(connector);  in i9xx_enable_backlight()
571 	struct intel_panel *panel = &connector->panel;  in i9xx_enable_backlight()
577 			    "[CONNECTOR:%d:%s] backlight already enabled\n",  in i9xx_enable_backlight()
578 			    connector->base.base.id, connector->base.name);  in i9xx_enable_backlight()
610 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in i965_enable_backlight()  local
611 	struct intel_display *display = to_intel_display(connector);  in i965_enable_backlight()
612 	struct intel_panel *panel = &connector->panel;  in i965_enable_backlight()
619 			    "[CONNECTOR:%d:%s] backlight already enabled\n",  in i965_enable_backlight()
620 			    connector->base.base.id, connector->base.name);  in i965_enable_backlight()
647 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in vlv_enable_backlight()  local
648 	struct intel_display *display = to_intel_display(connector);  in vlv_enable_backlight()
649 	struct intel_panel *panel = &connector->panel;  in vlv_enable_backlight()
656 			    "[CONNECTOR:%d:%s] backlight already enabled\n",  in vlv_enable_backlight()
657 			    connector->base.base.id, connector->base.name);  in vlv_enable_backlight()
679 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in bxt_enable_backlight()  local
680 	struct intel_display *display = to_intel_display(connector);  in bxt_enable_backlight()
681 	struct intel_panel *panel = &connector->panel;  in bxt_enable_backlight()
690 				    "[CONNECTOR:%d:%s] utility pin already enabled\n",  in bxt_enable_backlight()
691 				    connector->base.base.id, connector->base.name);  in bxt_enable_backlight()
706 			    "[CONNECTOR:%d:%s] backlight already enabled\n",  in bxt_enable_backlight()
707 			    connector->base.base.id, connector->base.name);  in bxt_enable_backlight()
731 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in cnp_enable_backlight()  local
732 	struct intel_display *display = to_intel_display(connector);  in cnp_enable_backlight()
733 	struct intel_panel *panel = &connector->panel;  in cnp_enable_backlight()
762 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in ext_pwm_enable_backlight()  local
763 	struct intel_panel *panel = &connector->panel;  in ext_pwm_enable_backlight()
773 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in __intel_backlight_enable()  local
774 	struct intel_panel *panel = &connector->panel;  in __intel_backlight_enable()
782 				scale_hw_to_user(connector,  in __intel_backlight_enable()
796 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_enable()  local
797 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_enable()
798 	struct intel_panel *panel = &connector->panel;  in intel_backlight_enable()
814 static u32 intel_panel_get_backlight(struct intel_connector *connector)  in intel_panel_get_backlight()  argument
816 	struct intel_display *display = to_intel_display(connector);  in intel_panel_get_backlight()
817 	struct intel_panel *panel = &connector->panel;  in intel_panel_get_backlight()
823 		val = panel->backlight.funcs->get(connector, intel_connector_get_pipe(connector));  in intel_panel_get_backlight()
832 static u32 scale_user_to_hw(struct intel_connector *connector,  in scale_user_to_hw()  argument
835 	struct intel_panel *panel = &connector->panel;  in scale_user_to_hw()
845 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_panel_set_backlight()  local
846 	struct intel_display *display = to_intel_display(connector);  in intel_panel_set_backlight()
847 	struct intel_panel *panel = &connector->panel;  in intel_panel_set_backlight()
857 	hw_level = scale_user_to_hw(connector, user_level, user_max);  in intel_panel_set_backlight()
868 	struct intel_connector *connector = bl_get_data(bd);  in intel_backlight_device_update_status()  local
869 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_device_update_status()
870 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_update_status()
876 	intel_panel_set_backlight(connector->base.state, bd->props.brightness,  in intel_backlight_device_update_status()
889 			panel->backlight.power(connector, enable);  in intel_backlight_device_update_status()
902 	struct intel_connector *connector = bl_get_data(bd);  in intel_backlight_device_get_brightness()  local
903 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_device_get_brightness()
904 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_device_get_brightness()
913 		hw_level = intel_panel_get_backlight(connector);  in intel_backlight_device_get_brightness()
914 		ret = scale_hw_to_user(connector,  in intel_backlight_device_get_brightness()
928 int intel_backlight_device_register(struct intel_connector *connector)  in intel_backlight_device_register()  argument
930 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_device_register()
931 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_register()
959 	props.brightness = scale_hw_to_user(connector,  in intel_backlight_device_register()
976 		 * Using the same name independent of the drm device or connector  in intel_backlight_device_register()
985 				 connector->base.name);  in intel_backlight_device_register()
989 	bd = backlight_device_register(name, connector->base.kdev, connector,  in intel_backlight_device_register()
994 			"[CONNECTOR:%d:%s] backlight device %s register failed: %ld\n",  in intel_backlight_device_register()
995 			connector->base.base.id, connector->base.name, name, PTR_ERR(bd));  in intel_backlight_device_register()
1003 		    "[CONNECTOR:%d:%s] backlight device %s registered\n",  in intel_backlight_device_register()
1004 		    connector->base.base.id, connector->base.name, name);  in intel_backlight_device_register()
1012 void intel_backlight_device_unregister(struct intel_connector *connector)  in intel_backlight_device_unregister()  argument
1014 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_unregister()
1027 static u32 cnp_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in cnp_hz_to_pwm()  argument
1029 	struct intel_display *display = to_intel_display(connector);  in cnp_hz_to_pwm()
1038 static u32 bxt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in bxt_hz_to_pwm()  argument
1048 static u32 spt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in spt_hz_to_pwm()  argument
1050 	struct intel_panel *panel = &connector->panel;  in spt_hz_to_pwm()
1066 static u32 lpt_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in lpt_hz_to_pwm()  argument
1068 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_hz_to_pwm()
1069 	struct intel_panel *panel = &connector->panel;  in lpt_hz_to_pwm()
1089 static u32 pch_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in pch_hz_to_pwm()  argument
1091 	struct intel_display *display = to_intel_display(connector);  in pch_hz_to_pwm()
1105 static u32 i9xx_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in i9xx_hz_to_pwm()  argument
1107 	struct intel_display *display = to_intel_display(connector);  in i9xx_hz_to_pwm()
1123 static u32 i965_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in i965_hz_to_pwm()  argument
1125 	struct intel_display *display = to_intel_display(connector);  in i965_hz_to_pwm()
1141 static u32 vlv_hz_to_pwm(struct intel_connector *connector, u32 pwm_freq_hz)  in vlv_hz_to_pwm()  argument
1143 	struct intel_display *display = to_intel_display(connector);  in vlv_hz_to_pwm()
1160 static u16 get_vbt_pwm_freq(struct intel_connector *connector)  in get_vbt_pwm_freq()  argument
1162 	struct intel_display *display = to_intel_display(connector);  in get_vbt_pwm_freq()
1163 	u16 pwm_freq_hz = connector->panel.vbt.backlight.pwm_freq_hz;  in get_vbt_pwm_freq()
1179 static u32 get_backlight_max_vbt(struct intel_connector *connector)  in get_backlight_max_vbt()  argument
1181 	struct intel_display *display = to_intel_display(connector);  in get_backlight_max_vbt()
1182 	struct intel_panel *panel = &connector->panel;  in get_backlight_max_vbt()
1183 	u16 pwm_freq_hz = get_vbt_pwm_freq(connector);  in get_backlight_max_vbt()
1192 	pwm = panel->backlight.pwm_funcs->hz_to_pwm(connector, pwm_freq_hz);  in get_backlight_max_vbt()
1205 static u32 get_backlight_min_vbt(struct intel_connector *connector)  in get_backlight_min_vbt()  argument
1207 	struct intel_display *display = to_intel_display(connector);  in get_backlight_min_vbt()
1208 	struct intel_panel *panel = &connector->panel;  in get_backlight_min_vbt()
1220 	min = clamp_t(int, connector->panel.vbt.backlight.min_brightness, 0, 64);  in get_backlight_min_vbt()
1221 	if (min != connector->panel.vbt.backlight.min_brightness) {  in get_backlight_min_vbt()
1224 			    connector->panel.vbt.backlight.min_brightness, min);  in get_backlight_min_vbt()
1231 static int lpt_setup_backlight(struct intel_connector *connector, enum pipe unused)  in lpt_setup_backlight()  argument
1233 	struct intel_display *display = to_intel_display(connector);  in lpt_setup_backlight()
1234 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in lpt_setup_backlight()
1235 	struct intel_panel *panel = &connector->panel;  in lpt_setup_backlight()
1254 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in lpt_setup_backlight()
1259 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in lpt_setup_backlight()
1268 		val = pch_get_backlight(connector, unused);  in lpt_setup_backlight()
1274 		lpt_set_backlight(connector->base.state, val);  in lpt_setup_backlight()
1283 		    "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control\n",  in lpt_setup_backlight()
1284 		    connector->base.base.id, connector->base.name);  in lpt_setup_backlight()
1289 static int pch_setup_backlight(struct intel_connector *connector, enum pipe unused)  in pch_setup_backlight()  argument
1291 	struct intel_display *display = to_intel_display(connector);  in pch_setup_backlight()
1292 	struct intel_panel *panel = &connector->panel;  in pch_setup_backlight()
1302 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in pch_setup_backlight()
1307 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in pch_setup_backlight()
1314 		    "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control\n",  in pch_setup_backlight()
1315 		    connector->base.base.id, connector->base.name);  in pch_setup_backlight()
1320 static int i9xx_setup_backlight(struct intel_connector *connector, enum pipe unused)  in i9xx_setup_backlight()  argument
1322 	struct intel_display *display = to_intel_display(connector);  in i9xx_setup_backlight()
1323 	struct intel_panel *panel = &connector->panel;  in i9xx_setup_backlight()
1337 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in i9xx_setup_backlight()
1347 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in i9xx_setup_backlight()
1349 	val = i9xx_get_backlight(connector, unused);  in i9xx_setup_backlight()
1350 	val = intel_backlight_invert_pwm_level(connector, val);  in i9xx_setup_backlight()
1356 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control\n",  in i9xx_setup_backlight()
1357 		    connector->base.base.id, connector->base.name);  in i9xx_setup_backlight()
1362 static int i965_setup_backlight(struct intel_connector *connector, enum pipe unused)  in i965_setup_backlight()  argument
1364 	struct intel_display *display = to_intel_display(connector);  in i965_setup_backlight()
1365 	struct intel_panel *panel = &connector->panel;  in i965_setup_backlight()
1376 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in i965_setup_backlight()
1384 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in i965_setup_backlight()
1389 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control\n",  in i965_setup_backlight()
1390 		    connector->base.base.id, connector->base.name);  in i965_setup_backlight()
1395 static int vlv_setup_backlight(struct intel_connector *connector, enum pipe pipe)  in vlv_setup_backlight()  argument
1397 	struct intel_display *display = to_intel_display(connector);  in vlv_setup_backlight()
1398 	struct intel_panel *panel = &connector->panel;  in vlv_setup_backlight()
1411 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in vlv_setup_backlight()
1416 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in vlv_setup_backlight()
1421 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control (on pipe %c)\n",  in vlv_setup_backlight()
1422 		    connector->base.base.id, connector->base.name, pipe_name(pipe));  in vlv_setup_backlight()
1428 bxt_setup_backlight(struct intel_connector *connector, enum pipe unused)  in bxt_setup_backlight()  argument
1430 	struct intel_display *display = to_intel_display(connector);  in bxt_setup_backlight()
1431 	struct intel_panel *panel = &connector->panel;  in bxt_setup_backlight()
1434 	panel->backlight.controller = connector->panel.vbt.backlight.controller;  in bxt_setup_backlight()
1451 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in bxt_setup_backlight()
1456 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in bxt_setup_backlight()
1461 		    "[CONNECTOR:%d:%s] Using native PWM for backlight control (controller=%d)\n",  in bxt_setup_backlight()
1462 		    connector->base.base.id, connector->base.name,  in bxt_setup_backlight()
1500 cnp_setup_backlight(struct intel_connector *connector, enum pipe unused)  in cnp_setup_backlight()  argument
1502 	struct intel_display *display = to_intel_display(connector);  in cnp_setup_backlight()
1503 	struct intel_panel *panel = &connector->panel;  in cnp_setup_backlight()
1510 	panel->backlight.controller = connector->panel.vbt.backlight.controller;  in cnp_setup_backlight()
1513 			    "[CONNECTOR:%d:%s] Invalid backlight controller %d, assuming 0\n",  in cnp_setup_backlight()
1514 			    connector->base.base.id, connector->base.name,  in cnp_setup_backlight()
1527 		panel->backlight.pwm_level_max = get_backlight_max_vbt(connector);  in cnp_setup_backlight()
1532 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in cnp_setup_backlight()
1537 		    "[CONNECTOR:%d:%s] Using native PCH PWM for backlight control (controller=%d)\n",  in cnp_setup_backlight()
1538 		    connector->base.base.id, connector->base.name,  in cnp_setup_backlight()
1544 static int ext_pwm_setup_backlight(struct intel_connector *connector,  in ext_pwm_setup_backlight()  argument
1547 	struct intel_display *display = to_intel_display(connector);  in ext_pwm_setup_backlight()
1548 	struct intel_panel *panel = &connector->panel;  in ext_pwm_setup_backlight()
1553 	if (connector->panel.vbt.dsi.config->pwm_blc == PPS_BLC_PMIC) {  in ext_pwm_setup_backlight()
1565 			"[CONNECTOR:%d:%s] Failed to get the %s PWM chip\n",  in ext_pwm_setup_backlight()
1566 			connector->base.base.id, connector->base.name, desc);  in ext_pwm_setup_backlight()
1572 	panel->backlight.pwm_level_min = get_backlight_min_vbt(connector);  in ext_pwm_setup_backlight()
1580 		level = intel_backlight_invert_pwm_level(connector, level);  in ext_pwm_setup_backlight()
1584 			    "[CONNECTOR:%d:%s] PWM already enabled at freq %ld, VBT freq %d, level %d\n",  in ext_pwm_setup_backlight()
1585 			    connector->base.base.id, connector->base.name,  in ext_pwm_setup_backlight()
1587 			    get_vbt_pwm_freq(connector), level);  in ext_pwm_setup_backlight()
1591 			NSEC_PER_SEC / get_vbt_pwm_freq(connector);  in ext_pwm_setup_backlight()
1595 		    "[CONNECTOR:%d:%s] Using %s PWM for backlight control\n",  in ext_pwm_setup_backlight()
1596 		    connector->base.base.id, connector->base.name, desc);  in ext_pwm_setup_backlight()
1603 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_pwm_set_backlight()  local
1604 	struct intel_panel *panel = &connector->panel;  in intel_pwm_set_backlight()
1607 					intel_backlight_invert_pwm_level(connector, level));  in intel_pwm_set_backlight()
1610 static u32 intel_pwm_get_backlight(struct intel_connector *connector, enum pipe pipe)  in intel_pwm_get_backlight()  argument
1612 	struct intel_panel *panel = &connector->panel;  in intel_pwm_get_backlight()
1614 	return intel_backlight_invert_pwm_level(connector,  in intel_pwm_get_backlight()
1615 					    panel->backlight.pwm_funcs->get(connector, pipe));  in intel_pwm_get_backlight()
1621 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_pwm_enable_backlight()  local
1622 	struct intel_panel *panel = &connector->panel;  in intel_pwm_enable_backlight()
1625 					   intel_backlight_invert_pwm_level(connector, level));  in intel_pwm_enable_backlight()
1630 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_pwm_disable_backlight()  local
1631 	struct intel_panel *panel = &connector->panel;  in intel_pwm_disable_backlight()
1634 					    intel_backlight_invert_pwm_level(connector, level));  in intel_pwm_disable_backlight()
1637 static int intel_pwm_setup_backlight(struct intel_connector *connector, enum pipe pipe)  in intel_pwm_setup_backlight()  argument
1639 	struct intel_panel *panel = &connector->panel;  in intel_pwm_setup_backlight()
1642 	ret = panel->backlight.pwm_funcs->setup(connector, pipe);  in intel_pwm_setup_backlight()
1648 	panel->backlight.level = intel_pwm_get_backlight(connector, pipe);  in intel_pwm_setup_backlight()
1659 	struct intel_connector *connector = to_intel_connector(conn_state->connector);  in intel_backlight_update()  local
1660 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_update()
1661 	struct intel_panel *panel = &connector->panel;  in intel_backlight_update()
1673 int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe)  in intel_backlight_setup()  argument
1675 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_setup()
1676 	struct intel_panel *panel = &connector->panel;  in intel_backlight_setup()
1679 	if (!connector->panel.vbt.backlight.present) {  in intel_backlight_setup()
1682 				    "[CONNECTOR:%d:%s] no backlight present per VBT, but present per quirk\n",  in intel_backlight_setup()
1683 				    connector->base.base.id, connector->base.name);  in intel_backlight_setup()
1686 				    "[CONNECTOR:%d:%s] no backlight present per VBT\n",  in intel_backlight_setup()
1687 				    connector->base.base.id, connector->base.name);  in intel_backlight_setup()
1698 	ret = panel->backlight.funcs->setup(connector, pipe);  in intel_backlight_setup()
1703 			    "[CONNECTOR:%d:%s] failed to setup backlight\n",  in intel_backlight_setup()
1704 			    connector->base.base.id, connector->base.name);  in intel_backlight_setup()
1711 		    "[CONNECTOR:%d:%s] backlight initialized, %s, brightness %u/%u\n",  in intel_backlight_setup()
1712 		    connector->base.base.id, connector->base.name,  in intel_backlight_setup()
1819 	struct intel_connector *connector =  in intel_backlight_init_funcs()  local
1821 	struct intel_display *display = to_intel_display(connector);  in intel_backlight_init_funcs()
1822 	struct drm_i915_private *i915 = to_i915(connector->base.dev);  in intel_backlight_init_funcs()
1824 	if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI &&  in intel_backlight_init_funcs()
1825 	    intel_dsi_dcs_init_backlight_funcs(connector) == 0)  in intel_backlight_init_funcs()
1840 		if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI) {  in intel_backlight_init_funcs()
1851 	if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) {  in intel_backlight_init_funcs()
1852 		if (intel_dp_aux_init_backlight_funcs(connector) == 0)  in intel_backlight_init_funcs()
1856 			connector->panel.backlight.power = intel_pps_backlight_power;  in intel_backlight_init_funcs()