1055 	u32 ctl, ctl2, freq;  in i965_enable_backlight()  local
1057 	ctl2 = intel_de_read(dev_priv, BLC_PWM_CTL2);  in i965_enable_backlight()
1058 	if (ctl2 & BLM_PWM_ENABLE) {  in i965_enable_backlight()
1060 		ctl2 &= ~BLM_PWM_ENABLE;  in i965_enable_backlight()
1061 		intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2);  in i965_enable_backlight()
1071 	ctl2 = BLM_PIPE(pipe);  in i965_enable_backlight()
1073 		ctl2 |= BLM_COMBINATION_MODE;  in i965_enable_backlight()
1075 		ctl2 |= BLM_POLARITY_I965;  in i965_enable_backlight()
1076 	intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2);  in i965_enable_backlight()
1078 	intel_de_write(dev_priv, BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE);  in i965_enable_backlight()
1090 	u32 ctl, ctl2;  in vlv_enable_backlight()  local
1092 	ctl2 = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe));  in vlv_enable_backlight()
1093 	if (ctl2 & BLM_PWM_ENABLE) {  in vlv_enable_backlight()
1095 		ctl2 &= ~BLM_PWM_ENABLE;  in vlv_enable_backlight()
1096 		intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), ctl2);  in vlv_enable_backlight()
1105 	ctl2 = 0;  in vlv_enable_backlight()
1107 		ctl2 |= BLM_POLARITY_I965;  in vlv_enable_backlight()
1108 	intel_de_write(dev_priv, VLV_BLC_PWM_CTL2(pipe), ctl2);  in vlv_enable_backlight()
1111 		       ctl2 | BLM_PWM_ENABLE);  in vlv_enable_backlight()
1790 	u32 ctl, ctl2;  in i965_setup_backlight()  local
1792 	ctl2 = intel_de_read(dev_priv, BLC_PWM_CTL2);  in i965_setup_backlight()
1793 	panel->backlight.combination_mode = ctl2 & BLM_COMBINATION_MODE;  in i965_setup_backlight()
1794 	panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965;  in i965_setup_backlight()
1810 	panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE;  in i965_setup_backlight()
1819 	u32 ctl, ctl2;  in vlv_setup_backlight()  local
1824 	ctl2 = intel_de_read(dev_priv, VLV_BLC_PWM_CTL2(pipe));  in vlv_setup_backlight()
1825 	panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965;  in vlv_setup_backlight()
1838 	panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE;  in vlv_setup_backlight()