175 /* adjusted_mode has been preset to be the panel's fixed mode */
234 		WARN(1, "bad panel fit mode: %d\n", fitting_mode);  in intel_pch_panel_fitting()
292 	 * when calculating the panel ratio.  in panel_fitter_scaling()
426 		WARN(1, "bad panel fit mode: %d\n", fitting_mode);  in intel_gmch_panel_fitting()
487 	struct intel_panel *panel = &connector->panel;  in scale_user_to_hw()  local
490 		     panel->backlight.min, panel->backlight.max);  in scale_user_to_hw()
498 	struct intel_panel *panel = &connector->panel;  in clamp_user_to_hw()  local
501 	hw_level = scale(user_level, 0, user_max, 0, panel->backlight.max);  in clamp_user_to_hw()
502 	hw_level = clamp(hw_level, panel->backlight.min, panel->backlight.max);  in clamp_user_to_hw()
511 	struct intel_panel *panel = &connector->panel;  in scale_hw_to_user()  local
513 	return scale(hw_level, panel->backlight.min, panel->backlight.max,  in scale_hw_to_user()
521 	struct intel_panel *panel = &connector->panel;  in intel_panel_compute_brightness()  local
523 	WARN_ON(panel->backlight.max == 0);  in intel_panel_compute_brightness()
530 		return panel->backlight.max - val + panel->backlight.min;  in intel_panel_compute_brightness()
553 	struct intel_panel *panel = &connector->panel;  in i9xx_get_backlight()  local
560 	if (panel->backlight.combination_mode) {  in i9xx_get_backlight()
589 	struct intel_panel *panel = &connector->panel;  in bxt_get_backlight()  local
591 	return I915_READ(BXT_BLC_PWM_DUTY(panel->backlight.controller));  in bxt_get_backlight()
596 	struct intel_panel *panel = &connector->panel;  in pwm_get_backlight()  local
599 	duty_ns = pwm_get_duty_cycle(panel->backlight.pwm);  in pwm_get_backlight()
626 	struct intel_panel *panel = &connector->panel;  in i9xx_set_backlight()  local
629 	WARN_ON(panel->backlight.max == 0);  in i9xx_set_backlight()
631 	if (panel->backlight.combination_mode) {  in i9xx_set_backlight()
634 		lbpc = level * 0xfe / panel->backlight.max + 1;  in i9xx_set_backlight()
665 	struct intel_panel *panel = &connector->panel;  in bxt_set_backlight()  local
667 	I915_WRITE(BXT_BLC_PWM_DUTY(panel->backlight.controller), level);  in bxt_set_backlight()
672 	struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel;  in pwm_set_backlight()  local
675 	pwm_config(panel->backlight.pwm, duty_ns, CRC_PMIC_PWM_PERIOD_NS);  in pwm_set_backlight()
682 	struct intel_panel *panel = &connector->panel;  in intel_panel_actually_set_backlight()  local
687 	panel->backlight.set(conn_state, level);  in intel_panel_actually_set_backlight()
698 	struct intel_panel *panel = &connector->panel;  in intel_panel_set_backlight_acpi()  local
707 	if (!panel->backlight.present || !conn_state->crtc)  in intel_panel_set_backlight_acpi()
712 	WARN_ON(panel->backlight.max == 0);  in intel_panel_set_backlight_acpi()
715 	panel->backlight.level = hw_level;  in intel_panel_set_backlight_acpi()
717 	if (panel->backlight.device)  in intel_panel_set_backlight_acpi()
718 		panel->backlight.device->props.brightness =  in intel_panel_set_backlight_acpi()
720 					 panel->backlight.level,  in intel_panel_set_backlight_acpi()
721 					 panel->backlight.device->props.max_brightness);  in intel_panel_set_backlight_acpi()
723 	if (panel->backlight.enabled)  in intel_panel_set_backlight_acpi()
803 	struct intel_panel *panel = &connector->panel;  in bxt_disable_backlight()  local
808 	tmp = I915_READ(BXT_BLC_PWM_CTL(panel->backlight.controller));  in bxt_disable_backlight()
809 	I915_WRITE(BXT_BLC_PWM_CTL(panel->backlight.controller),  in bxt_disable_backlight()
812 	if (panel->backlight.controller == 1) {  in bxt_disable_backlight()
823 	struct intel_panel *panel = &connector->panel;  in cnp_disable_backlight()  local
828 	tmp = I915_READ(BXT_BLC_PWM_CTL(panel->backlight.controller));  in cnp_disable_backlight()
829 	I915_WRITE(BXT_BLC_PWM_CTL(panel->backlight.controller),  in cnp_disable_backlight()
836 	struct intel_panel *panel = &connector->panel;  in pwm_disable_backlight()  local
841 	pwm_disable(panel->backlight.pwm);  in pwm_disable_backlight()
848 	struct intel_panel *panel = &connector->panel;  in intel_panel_disable_backlight()  local
850 	if (!panel->backlight.present)  in intel_panel_disable_backlight()
866 	if (panel->backlight.device)  in intel_panel_disable_backlight()
867 		panel->backlight.device->props.power = FB_BLANK_POWERDOWN;  in intel_panel_disable_backlight()
868 	panel->backlight.enabled = false;  in intel_panel_disable_backlight()
869 	panel->backlight.disable(old_conn_state);  in intel_panel_disable_backlight()
879 	struct intel_panel *panel = &connector->panel;  in lpt_enable_backlight()  local
891 		if (panel->backlight.alternate_pwm_increment)  in lpt_enable_backlight()
898 		if (panel->backlight.alternate_pwm_increment)  in lpt_enable_backlight()
905 	pch_ctl2 = panel->backlight.max << 16;  in lpt_enable_backlight()
909 	if (panel->backlight.active_low_pwm)  in lpt_enable_backlight()
921 	intel_panel_actually_set_backlight(conn_state, panel->backlight.level);  in lpt_enable_backlight()
929 	struct intel_panel *panel = &connector->panel;  in pch_enable_backlight()  local
956 	intel_panel_actually_set_backlight(conn_state, panel->backlight.level);  in pch_enable_backlight()
958 	pch_ctl2 = panel->backlight.max << 16;  in pch_enable_backlight()
962 	if (panel->backlight.active_low_pwm)  in pch_enable_backlight()
975 	struct intel_panel *panel = &connector->panel;  in i9xx_enable_backlight()  local
984 	freq = panel->backlight.max;  in i9xx_enable_backlight()
985 	if (panel->backlight.combination_mode)  in i9xx_enable_backlight()
989 	if (panel->backlight.combination_mode)  in i9xx_enable_backlight()
991 	if (IS_PINEVIEW(dev_priv) && panel->backlight.active_low_pwm)  in i9xx_enable_backlight()
998 	intel_panel_actually_set_backlight(conn_state, panel->backlight.level);  in i9xx_enable_backlight()
1014 	struct intel_panel *panel = &connector->panel;  in i965_enable_backlight()  local
1025 	freq = panel->backlight.max;  in i965_enable_backlight()
1026 	if (panel->backlight.combination_mode)  in i965_enable_backlight()
1033 	if (panel->backlight.combination_mode)  in i965_enable_backlight()
1035 	if (panel->backlight.active_low_pwm)  in i965_enable_backlight()
1041 	intel_panel_actually_set_backlight(conn_state, panel->backlight.level);  in i965_enable_backlight()
1049 	struct intel_panel *panel = &connector->panel;  in vlv_enable_backlight()  local
1060 	ctl = panel->backlight.max << 16;  in vlv_enable_backlight()
1064 	intel_panel_actually_set_backlight(conn_state, panel->backlight.level);  in vlv_enable_backlight()
1067 	if (panel->backlight.active_low_pwm)  in vlv_enable_backlight()
1079 	struct intel_panel *panel = &connector->panel;  in bxt_enable_backlight()  local
1084 	if (panel->backlight.controller == 1) {  in bxt_enable_backlight()
1093 		if (panel->backlight.util_pin_active_low)  in bxt_enable_backlight()
1099 	pwm_ctl = I915_READ(BXT_BLC_PWM_CTL(panel->backlight.controller));  in bxt_enable_backlight()
1103 		I915_WRITE(BXT_BLC_PWM_CTL(panel->backlight.controller),  in bxt_enable_backlight()
1107 	I915_WRITE(BXT_BLC_PWM_FREQ(panel->backlight.controller),  in bxt_enable_backlight()
1108 			panel->backlight.max);  in bxt_enable_backlight()
1110 	intel_panel_actually_set_backlight(conn_state, panel->backlight.level);  in bxt_enable_backlight()
1113 	if (panel->backlight.active_low_pwm)  in bxt_enable_backlight()
1116 	I915_WRITE(BXT_BLC_PWM_CTL(panel->backlight.controller), pwm_ctl);  in bxt_enable_backlight()
1117 	POSTING_READ(BXT_BLC_PWM_CTL(panel->backlight.controller));  in bxt_enable_backlight()
1118 	I915_WRITE(BXT_BLC_PWM_CTL(panel->backlight.controller),  in bxt_enable_backlight()
1127 	struct intel_panel *panel = &connector->panel;  in cnp_enable_backlight()  local
1130 	pwm_ctl = I915_READ(BXT_BLC_PWM_CTL(panel->backlight.controller));  in cnp_enable_backlight()
1134 		I915_WRITE(BXT_BLC_PWM_CTL(panel->backlight.controller),  in cnp_enable_backlight()
1138 	I915_WRITE(BXT_BLC_PWM_FREQ(panel->backlight.controller),  in cnp_enable_backlight()
1139 		   panel->backlight.max);  in cnp_enable_backlight()
1141 	intel_panel_actually_set_backlight(conn_state, panel->backlight.level);  in cnp_enable_backlight()
1144 	if (panel->backlight.active_low_pwm)  in cnp_enable_backlight()
1147 	I915_WRITE(BXT_BLC_PWM_CTL(panel->backlight.controller), pwm_ctl);  in cnp_enable_backlight()
1148 	POSTING_READ(BXT_BLC_PWM_CTL(panel->backlight.controller));  in cnp_enable_backlight()
1149 	I915_WRITE(BXT_BLC_PWM_CTL(panel->backlight.controller),  in cnp_enable_backlight()
1157 	struct intel_panel *panel = &connector->panel;  in pwm_enable_backlight()  local
1159 	pwm_enable(panel->backlight.pwm);  in pwm_enable_backlight()
1160 	intel_panel_actually_set_backlight(conn_state, panel->backlight.level);  in pwm_enable_backlight()
1167 	struct intel_panel *panel = &connector->panel;  in __intel_panel_enable_backlight()  local
1169 	WARN_ON(panel->backlight.max == 0);  in __intel_panel_enable_backlight()
1171 	if (panel->backlight.level <= panel->backlight.min) {  in __intel_panel_enable_backlight()
1172 		panel->backlight.level = panel->backlight.max;  in __intel_panel_enable_backlight()
1173 		if (panel->backlight.device)  in __intel_panel_enable_backlight()
1174 			panel->backlight.device->props.brightness =  in __intel_panel_enable_backlight()
1176 						 panel->backlight.level,  in __intel_panel_enable_backlight()
1177 						 panel->backlight.device->props.max_brightness);  in __intel_panel_enable_backlight()
1180 	panel->backlight.enable(crtc_state, conn_state);  in __intel_panel_enable_backlight()
1181 	panel->backlight.enabled = true;  in __intel_panel_enable_backlight()
1182 	if (panel->backlight.device)  in __intel_panel_enable_backlight()
1183 		panel->backlight.device->props.power = FB_BLANK_UNBLANK;  in __intel_panel_enable_backlight()
1191 	struct intel_panel *panel = &connector->panel;  in intel_panel_enable_backlight()  local
1194 	if (!panel->backlight.present)  in intel_panel_enable_backlight()
1210 	struct intel_panel *panel = &connector->panel;  in intel_panel_get_backlight()  local
1215 	if (panel->backlight.enabled) {  in intel_panel_get_backlight()
1216 		val = panel->backlight.get(connector);  in intel_panel_get_backlight()
1232 	struct intel_panel *panel = &connector->panel;  in intel_panel_set_backlight()  local
1235 	if (!panel->backlight.present)  in intel_panel_set_backlight()
1240 	WARN_ON(panel->backlight.max == 0);  in intel_panel_set_backlight()
1243 	panel->backlight.level = hw_level;  in intel_panel_set_backlight()
1245 	if (panel->backlight.enabled)  in intel_panel_set_backlight()
1254 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_update_status()  local
1269 	if (panel->backlight.enabled) {  in intel_backlight_device_update_status()
1270 		if (panel->backlight.power) {  in intel_backlight_device_update_status()
1273 			panel->backlight.power(connector, enable);  in intel_backlight_device_update_status()
1313 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_register()  local
1316 	if (WARN_ON(panel->backlight.device))  in intel_backlight_device_register()
1319 	if (!panel->backlight.present)  in intel_backlight_device_register()
1322 	WARN_ON(panel->backlight.max == 0);  in intel_backlight_device_register()
1331 	props.max_brightness = panel->backlight.max;  in intel_backlight_device_register()
1333 					    panel->backlight.level,  in intel_backlight_device_register()
1336 	if (panel->backlight.enabled)  in intel_backlight_device_register()
1345 	panel->backlight.device =  in intel_backlight_device_register()
1351 	if (IS_ERR(panel->backlight.device)) {  in intel_backlight_device_register()
1353 			  PTR_ERR(panel->backlight.device));  in intel_backlight_device_register()
1354 		panel->backlight.device = NULL;  in intel_backlight_device_register()
1366 	struct intel_panel *panel = &connector->panel;  in intel_backlight_device_unregister()  local
1368 	if (panel->backlight.device) {  in intel_backlight_device_unregister()
1369 		backlight_device_unregister(panel->backlight.device);  in intel_backlight_device_unregister()
1370 		panel->backlight.device = NULL;  in intel_backlight_device_unregister()
1401 	struct intel_panel *panel = &connector->panel;  in spt_hz_to_pwm()  local
1404 	if (panel->backlight.alternate_pwm_increment)  in spt_hz_to_pwm()
1420 	struct intel_panel *panel = &connector->panel;  in lpt_hz_to_pwm()  local
1423 	if (panel->backlight.alternate_pwm_increment)  in lpt_hz_to_pwm()
1513 	struct intel_panel *panel = &connector->panel;  in get_backlight_max_vbt()  local
1517 	if (!panel->backlight.hz_to_pwm) {  in get_backlight_max_vbt()
1531 	pwm = panel->backlight.hz_to_pwm(connector, pwm_freq_hz);  in get_backlight_max_vbt()
1546 	struct intel_panel *panel = &connector->panel;  in get_backlight_min_vbt()  local
1549 	WARN_ON(panel->backlight.max == 0);  in get_backlight_min_vbt()
1565 	return scale(min, 0, 255, 0, panel->backlight.max);  in get_backlight_min_vbt()
1571 	struct intel_panel *panel = &connector->panel;  in lpt_setup_backlight()  local
1579 	panel->backlight.alternate_pwm_increment = alt;  in lpt_setup_backlight()
1582 	panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY;  in lpt_setup_backlight()
1585 	panel->backlight.max = pch_ctl2 >> 16;  in lpt_setup_backlight()
1589 	if (!panel->backlight.max)  in lpt_setup_backlight()
1590 		panel->backlight.max = get_backlight_max_vbt(connector);  in lpt_setup_backlight()
1592 	if (!panel->backlight.max)  in lpt_setup_backlight()
1595 	panel->backlight.min = get_backlight_min_vbt(connector);  in lpt_setup_backlight()
1597 	panel->backlight.enabled = pch_ctl1 & BLM_PCH_PWM_ENABLE;  in lpt_setup_backlight()
1599 	cpu_mode = panel->backlight.enabled && HAS_PCH_LPT(dev_priv) &&  in lpt_setup_backlight()
1607 	panel->backlight.level = clamp(val, panel->backlight.min,  in lpt_setup_backlight()
1608 				       panel->backlight.max);  in lpt_setup_backlight()
1614 		lpt_set_backlight(connector->base.state, panel->backlight.level);  in lpt_setup_backlight()
1626 	struct intel_panel *panel = &connector->panel;  in pch_setup_backlight()  local
1630 	panel->backlight.active_low_pwm = pch_ctl1 & BLM_PCH_POLARITY;  in pch_setup_backlight()
1633 	panel->backlight.max = pch_ctl2 >> 16;  in pch_setup_backlight()
1635 	if (!panel->backlight.max)  in pch_setup_backlight()
1636 		panel->backlight.max = get_backlight_max_vbt(connector);  in pch_setup_backlight()
1638 	if (!panel->backlight.max)  in pch_setup_backlight()
1641 	panel->backlight.min = get_backlight_min_vbt(connector);  in pch_setup_backlight()
1645 	panel->backlight.level = clamp(val, panel->backlight.min,  in pch_setup_backlight()
1646 				       panel->backlight.max);  in pch_setup_backlight()
1649 	panel->backlight.enabled = (cpu_ctl2 & BLM_PWM_ENABLE) &&  in pch_setup_backlight()
1658 	struct intel_panel *panel = &connector->panel;  in i9xx_setup_backlight()  local
1664 		panel->backlight.combination_mode = ctl & BLM_LEGACY_MODE;  in i9xx_setup_backlight()
1667 		panel->backlight.active_low_pwm = ctl & BLM_POLARITY_PNV;  in i9xx_setup_backlight()
1669 	panel->backlight.max = ctl >> 17;  in i9xx_setup_backlight()
1671 	if (!panel->backlight.max) {  in i9xx_setup_backlight()
1672 		panel->backlight.max = get_backlight_max_vbt(connector);  in i9xx_setup_backlight()
1673 		panel->backlight.max >>= 1;  in i9xx_setup_backlight()
1676 	if (!panel->backlight.max)  in i9xx_setup_backlight()
1679 	if (panel->backlight.combination_mode)  in i9xx_setup_backlight()
1680 		panel->backlight.max *= 0xff;  in i9xx_setup_backlight()
1682 	panel->backlight.min = get_backlight_min_vbt(connector);  in i9xx_setup_backlight()
1686 	panel->backlight.level = clamp(val, panel->backlight.min,  in i9xx_setup_backlight()
1687 				       panel->backlight.max);  in i9xx_setup_backlight()
1689 	panel->backlight.enabled = val != 0;  in i9xx_setup_backlight()
1697 	struct intel_panel *panel = &connector->panel;  in i965_setup_backlight()  local
1701 	panel->backlight.combination_mode = ctl2 & BLM_COMBINATION_MODE;  in i965_setup_backlight()
1702 	panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965;  in i965_setup_backlight()
1705 	panel->backlight.max = ctl >> 16;  in i965_setup_backlight()
1707 	if (!panel->backlight.max)  in i965_setup_backlight()
1708 		panel->backlight.max = get_backlight_max_vbt(connector);  in i965_setup_backlight()
1710 	if (!panel->backlight.max)  in i965_setup_backlight()
1713 	if (panel->backlight.combination_mode)  in i965_setup_backlight()
1714 		panel->backlight.max *= 0xff;  in i965_setup_backlight()
1716 	panel->backlight.min = get_backlight_min_vbt(connector);  in i965_setup_backlight()
1720 	panel->backlight.level = clamp(val, panel->backlight.min,  in i965_setup_backlight()
1721 				       panel->backlight.max);  in i965_setup_backlight()
1723 	panel->backlight.enabled = ctl2 & BLM_PWM_ENABLE;  in i965_setup_backlight()
1731 	struct intel_panel *panel = &connector->panel;  in vlv_setup_backlight()  local
1738 	panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965;  in vlv_setup_backlight()
1741 	panel->backlight.max = ctl >> 16;  in vlv_setup_backlight()
1743 	if (!panel->backlight.max)  in vlv_setup_backlight()
1744 		panel->backlight.max = get_backlight_max_vbt(connector);  in vlv_setup_backlight()
1746 	if (!panel->backlight.max)  in vlv_setup_backlight()
1749 	panel->backlight.min = get_backlight_min_vbt(connector);  in vlv_setup_backlight()
1753 	panel->backlight.level = clamp(val, panel->backlight.min,  in vlv_setup_backlight()
1754 				       panel->backlight.max);  in vlv_setup_backlight()
1756 	panel->backlight.enabled = ctl2 & BLM_PWM_ENABLE;  in vlv_setup_backlight()
1765 	struct intel_panel *panel = &connector->panel;  in bxt_setup_backlight()  local
1768 	panel->backlight.controller = dev_priv->vbt.backlight.controller;  in bxt_setup_backlight()
1770 	pwm_ctl = I915_READ(BXT_BLC_PWM_CTL(panel->backlight.controller));  in bxt_setup_backlight()
1773 	if (panel->backlight.controller == 1) {  in bxt_setup_backlight()
1775 		panel->backlight.util_pin_active_low =  in bxt_setup_backlight()
1779 	panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY;  in bxt_setup_backlight()
1780 	panel->backlight.max =  in bxt_setup_backlight()
1781 		I915_READ(BXT_BLC_PWM_FREQ(panel->backlight.controller));  in bxt_setup_backlight()
1783 	if (!panel->backlight.max)  in bxt_setup_backlight()
1784 		panel->backlight.max = get_backlight_max_vbt(connector);  in bxt_setup_backlight()
1786 	if (!panel->backlight.max)  in bxt_setup_backlight()
1789 	panel->backlight.min = get_backlight_min_vbt(connector);  in bxt_setup_backlight()
1793 	panel->backlight.level = clamp(val, panel->backlight.min,  in bxt_setup_backlight()
1794 				       panel->backlight.max);  in bxt_setup_backlight()
1796 	panel->backlight.enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;  in bxt_setup_backlight()
1805 	struct intel_panel *panel = &connector->panel;  in cnp_setup_backlight()  local
1813 	panel->backlight.controller = 0;  in cnp_setup_backlight()
1815 	pwm_ctl = I915_READ(BXT_BLC_PWM_CTL(panel->backlight.controller));  in cnp_setup_backlight()
1817 	panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY;  in cnp_setup_backlight()
1818 	panel->backlight.max =  in cnp_setup_backlight()
1819 		I915_READ(BXT_BLC_PWM_FREQ(panel->backlight.controller));  in cnp_setup_backlight()
1821 	if (!panel->backlight.max)  in cnp_setup_backlight()
1822 		panel->backlight.max = get_backlight_max_vbt(connector);  in cnp_setup_backlight()
1824 	if (!panel->backlight.max)  in cnp_setup_backlight()
1827 	panel->backlight.min = get_backlight_min_vbt(connector);  in cnp_setup_backlight()
1831 	panel->backlight.level = clamp(val, panel->backlight.min,  in cnp_setup_backlight()
1832 				       panel->backlight.max);  in cnp_setup_backlight()
1834 	panel->backlight.enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;  in cnp_setup_backlight()
1843 	struct intel_panel *panel = &connector->panel;  in pwm_setup_backlight()  local
1847 	panel->backlight.pwm = pwm_get(dev->dev, "pwm_backlight");  in pwm_setup_backlight()
1848 	if (IS_ERR(panel->backlight.pwm)) {  in pwm_setup_backlight()
1850 		panel->backlight.pwm = NULL;  in pwm_setup_backlight()
1858 	pwm_apply_args(panel->backlight.pwm);  in pwm_setup_backlight()
1860 	retval = pwm_config(panel->backlight.pwm, CRC_PMIC_PWM_PERIOD_NS,  in pwm_setup_backlight()
1864 		pwm_put(panel->backlight.pwm);  in pwm_setup_backlight()
1865 		panel->backlight.pwm = NULL;  in pwm_setup_backlight()
1869 	panel->backlight.min = 0; /* 0% */  in pwm_setup_backlight()
1870 	panel->backlight.max = 100; /* 100% */  in pwm_setup_backlight()
1871 	panel->backlight.level = DIV_ROUND_UP(  in pwm_setup_backlight()
1872 				 pwm_get_duty_cycle(panel->backlight.pwm) * 100,  in pwm_setup_backlight()
1874 	panel->backlight.enabled = panel->backlight.level != 0;  in pwm_setup_backlight()
1885 	struct intel_panel *panel = &connector->panel;  in intel_panel_update_backlight()  local
1887 	if (!panel->backlight.present)  in intel_panel_update_backlight()
1891 	if (!panel->backlight.enabled)  in intel_panel_update_backlight()
1901 	struct intel_panel *panel = &intel_connector->panel;  in intel_panel_setup_backlight()  local
1914 	if (WARN_ON(!panel->backlight.setup))  in intel_panel_setup_backlight()
1917 	/* set level and max in panel struct */  in intel_panel_setup_backlight()
1919 	ret = panel->backlight.setup(intel_connector, pipe);  in intel_panel_setup_backlight()
1928 	panel->backlight.present = true;  in intel_panel_setup_backlight()
1932 		      enableddisabled(panel->backlight.enabled),  in intel_panel_setup_backlight()
1933 		      panel->backlight.level, panel->backlight.max);  in intel_panel_setup_backlight()
1938 static void intel_panel_destroy_backlight(struct intel_panel *panel)  in intel_panel_destroy_backlight()  argument
1941 	if (panel->backlight.pwm)  in intel_panel_destroy_backlight()
1942 		pwm_put(panel->backlight.pwm);  in intel_panel_destroy_backlight()
1944 	panel->backlight.present = false;  in intel_panel_destroy_backlight()
1949 intel_panel_init_backlight_funcs(struct intel_panel *panel)  in intel_panel_init_backlight_funcs()  argument
1952 		container_of(panel, struct intel_connector, panel);  in intel_panel_init_backlight_funcs()
1964 		panel->backlight.setup = bxt_setup_backlight;  in intel_panel_init_backlight_funcs()
1965 		panel->backlight.enable = bxt_enable_backlight;  in intel_panel_init_backlight_funcs()
1966 		panel->backlight.disable = bxt_disable_backlight;  in intel_panel_init_backlight_funcs()
1967 		panel->backlight.set = bxt_set_backlight;  in intel_panel_init_backlight_funcs()
1968 		panel->backlight.get = bxt_get_backlight;  in intel_panel_init_backlight_funcs()
1969 		panel->backlight.hz_to_pwm = bxt_hz_to_pwm;  in intel_panel_init_backlight_funcs()
1971 		panel->backlight.setup = cnp_setup_backlight;  in intel_panel_init_backlight_funcs()
1972 		panel->backlight.enable = cnp_enable_backlight;  in intel_panel_init_backlight_funcs()
1973 		panel->backlight.disable = cnp_disable_backlight;  in intel_panel_init_backlight_funcs()
1974 		panel->backlight.set = bxt_set_backlight;  in intel_panel_init_backlight_funcs()
1975 		panel->backlight.get = bxt_get_backlight;  in intel_panel_init_backlight_funcs()
1976 		panel->backlight.hz_to_pwm = cnp_hz_to_pwm;  in intel_panel_init_backlight_funcs()
1978 		panel->backlight.setup = lpt_setup_backlight;  in intel_panel_init_backlight_funcs()
1979 		panel->backlight.enable = lpt_enable_backlight;  in intel_panel_init_backlight_funcs()
1980 		panel->backlight.disable = lpt_disable_backlight;  in intel_panel_init_backlight_funcs()
1981 		panel->backlight.set = lpt_set_backlight;  in intel_panel_init_backlight_funcs()
1982 		panel->backlight.get = lpt_get_backlight;  in intel_panel_init_backlight_funcs()
1984 			panel->backlight.hz_to_pwm = lpt_hz_to_pwm;  in intel_panel_init_backlight_funcs()
1986 			panel->backlight.hz_to_pwm = spt_hz_to_pwm;  in intel_panel_init_backlight_funcs()
1988 		panel->backlight.setup = pch_setup_backlight;  in intel_panel_init_backlight_funcs()
1989 		panel->backlight.enable = pch_enable_backlight;  in intel_panel_init_backlight_funcs()
1990 		panel->backlight.disable = pch_disable_backlight;  in intel_panel_init_backlight_funcs()
1991 		panel->backlight.set = pch_set_backlight;  in intel_panel_init_backlight_funcs()
1992 		panel->backlight.get = pch_get_backlight;  in intel_panel_init_backlight_funcs()
1993 		panel->backlight.hz_to_pwm = pch_hz_to_pwm;  in intel_panel_init_backlight_funcs()
1996 			panel->backlight.setup = pwm_setup_backlight;  in intel_panel_init_backlight_funcs()
1997 			panel->backlight.enable = pwm_enable_backlight;  in intel_panel_init_backlight_funcs()
1998 			panel->backlight.disable = pwm_disable_backlight;  in intel_panel_init_backlight_funcs()
1999 			panel->backlight.set = pwm_set_backlight;  in intel_panel_init_backlight_funcs()
2000 			panel->backlight.get = pwm_get_backlight;  in intel_panel_init_backlight_funcs()
2002 			panel->backlight.setup = vlv_setup_backlight;  in intel_panel_init_backlight_funcs()
2003 			panel->backlight.enable = vlv_enable_backlight;  in intel_panel_init_backlight_funcs()
2004 			panel->backlight.disable = vlv_disable_backlight;  in intel_panel_init_backlight_funcs()
2005 			panel->backlight.set = vlv_set_backlight;  in intel_panel_init_backlight_funcs()
2006 			panel->backlight.get = vlv_get_backlight;  in intel_panel_init_backlight_funcs()
2007 			panel->backlight.hz_to_pwm = vlv_hz_to_pwm;  in intel_panel_init_backlight_funcs()
2010 		panel->backlight.setup = i965_setup_backlight;  in intel_panel_init_backlight_funcs()
2011 		panel->backlight.enable = i965_enable_backlight;  in intel_panel_init_backlight_funcs()
2012 		panel->backlight.disable = i965_disable_backlight;  in intel_panel_init_backlight_funcs()
2013 		panel->backlight.set = i9xx_set_backlight;  in intel_panel_init_backlight_funcs()
2014 		panel->backlight.get = i9xx_get_backlight;  in intel_panel_init_backlight_funcs()
2015 		panel->backlight.hz_to_pwm = i965_hz_to_pwm;  in intel_panel_init_backlight_funcs()
2017 		panel->backlight.setup = i9xx_setup_backlight;  in intel_panel_init_backlight_funcs()
2018 		panel->backlight.enable = i9xx_enable_backlight;  in intel_panel_init_backlight_funcs()
2019 		panel->backlight.disable = i9xx_disable_backlight;  in intel_panel_init_backlight_funcs()
2020 		panel->backlight.set = i9xx_set_backlight;  in intel_panel_init_backlight_funcs()
2021 		panel->backlight.get = i9xx_get_backlight;  in intel_panel_init_backlight_funcs()
2022 		panel->backlight.hz_to_pwm = i9xx_hz_to_pwm;  in intel_panel_init_backlight_funcs()
2026 int intel_panel_init(struct intel_panel *panel,  in intel_panel_init()  argument
2030 	intel_panel_init_backlight_funcs(panel);  in intel_panel_init()
2032 	panel->fixed_mode = fixed_mode;  in intel_panel_init()
2033 	panel->downclock_mode = downclock_mode;  in intel_panel_init()
2038 void intel_panel_fini(struct intel_panel *panel)  in intel_panel_fini()  argument
2041 		container_of(panel, struct intel_connector, panel);  in intel_panel_fini()
2043 	intel_panel_destroy_backlight(panel);  in intel_panel_fini()
2045 	if (panel->fixed_mode)  in intel_panel_fini()
2046 		drm_mode_destroy(intel_connector->base.dev, panel->fixed_mode);  in intel_panel_fini()
2048 	if (panel->downclock_mode)  in intel_panel_fini()
2050 				panel->downclock_mode);  in intel_panel_fini()