670 	u32 pwm_ctl, val;  in bxt_enable_backlight()  local
689 	pwm_ctl = intel_de_read(i915, BXT_BLC_PWM_CTL(panel->backlight.controller));  in bxt_enable_backlight()
690 	if (pwm_ctl & BXT_BLC_PWM_ENABLE) {  in bxt_enable_backlight()
693 		pwm_ctl &= ~BXT_BLC_PWM_ENABLE;  in bxt_enable_backlight()
695 			       pwm_ctl);  in bxt_enable_backlight()
703 	pwm_ctl = 0;  in bxt_enable_backlight()
705 		pwm_ctl |= BXT_BLC_PWM_POLARITY;  in bxt_enable_backlight()
707 	intel_de_write(i915, BXT_BLC_PWM_CTL(panel->backlight.controller), pwm_ctl);  in bxt_enable_backlight()
710 		       pwm_ctl | BXT_BLC_PWM_ENABLE);  in bxt_enable_backlight()
719 	u32 pwm_ctl;  in cnp_enable_backlight()  local
721 	pwm_ctl = intel_de_read(i915, BXT_BLC_PWM_CTL(panel->backlight.controller));  in cnp_enable_backlight()
722 	if (pwm_ctl & BXT_BLC_PWM_ENABLE) {  in cnp_enable_backlight()
724 		pwm_ctl &= ~BXT_BLC_PWM_ENABLE;  in cnp_enable_backlight()
726 			       pwm_ctl);  in cnp_enable_backlight()
734 	pwm_ctl = 0;  in cnp_enable_backlight()
736 		pwm_ctl |= BXT_BLC_PWM_POLARITY;  in cnp_enable_backlight()
738 	intel_de_write(i915, BXT_BLC_PWM_CTL(panel->backlight.controller), pwm_ctl);  in cnp_enable_backlight()
741 		       pwm_ctl | BXT_BLC_PWM_ENABLE);  in cnp_enable_backlight()
1413 	u32 pwm_ctl, val;  in bxt_setup_backlight()  local
1417 	pwm_ctl = intel_de_read(i915,  in bxt_setup_backlight()
1427 	panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY;  in bxt_setup_backlight()
1439 	panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;  in bxt_setup_backlight()
1478 	u32 pwm_ctl;  in cnp_setup_backlight()  local
1492 	pwm_ctl = intel_de_read(i915,  in cnp_setup_backlight()
1495 	panel->backlight.active_low_pwm = pwm_ctl & BXT_BLC_PWM_POLARITY;  in cnp_setup_backlight()
1507 	panel->backlight.pwm_enabled = pwm_ctl & BXT_BLC_PWM_ENABLE;  in cnp_setup_backlight()