1022 	u32 ctl, ctl2, freq;  in i965_enable_backlight()  local
1024 	ctl2 = intel_de_read(dev_priv, BLC_PWM_CTL2);  in i965_enable_backlight()
1025 	if (ctl2 & BLM_PWM_ENABLE) {  in i965_enable_backlight()
1027 		ctl2 &= ~BLM_PWM_ENABLE;  in i965_enable_backlight()
1028 		intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2);  in i965_enable_backlight()
1038 	ctl2 = BLM_PIPE(pipe);  in i965_enable_backlight()
1040 		ctl2 |= BLM_COMBINATION_MODE;  in i965_enable_backlight()
1042 		ctl2 |= BLM_POLARITY_I965;  in i965_enable_backlight()
1043 	intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2);  in i965_enable_backlight()
1045 	intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE);  in i965_enable_backlight()
1057 	u32 ctl, ctl2;  in vlv_enable_backlight()  local
1059 	ctl2 = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe));  in vlv_enable_backlight()
1060 	if (ctl2 & BLM_PWM_ENABLE) {  in vlv_enable_backlight()
1062 		ctl2 &= ~BLM_PWM_ENABLE;  in vlv_enable_backlight()
1063 		intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), ctl2);  in vlv_enable_backlight()
1072 	ctl2 = 0;  in vlv_enable_backlight()
1074 		ctl2 |= BLM_POLARITY_I965;  in vlv_enable_backlight()
1075 	intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), ctl2);  in vlv_enable_backlight()
1078 		       ctl2 | BLM_PWM_ENABLE);  in vlv_enable_backlight()
1748 	u32 ctl, ctl2, val;  in i965_setup_backlight()  local
1750 	ctl2 = intel_de_read(dev_priv, BLC_PWM_CTL2);  in i965_setup_backlight()
1751 	panel->backlight.combination_mode = ctl2 & BLM_COMBINATION_MODE;  in i965_setup_backlight()
1752 	panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965;  in i965_setup_backlight()
1773 	panel->backlight.enabled = ctl2 & BLM_PWM_ENABLE;  in i965_setup_backlight()
1782 	u32 ctl, ctl2, val;  in vlv_setup_backlight()  local
1787 	ctl2 = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe));  in vlv_setup_backlight()
1788 	panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965;  in vlv_setup_backlight()
1806 	panel->backlight.enabled = ctl2 & BLM_PWM_ENABLE;  in vlv_setup_backlight()