614 	u32 ctl, ctl2, freq;  in i965_enable_backlight()  local
616 	ctl2 = intel_de_read(display, BLC_PWM_CTL2);  in i965_enable_backlight()
617 	if (ctl2 & BLM_PWM_ENABLE) {  in i965_enable_backlight()
621 		ctl2 &= ~BLM_PWM_ENABLE;  in i965_enable_backlight()
622 		intel_de_write(display, BLC_PWM_CTL2, ctl2);  in i965_enable_backlight()
632 	ctl2 = BLM_PIPE(pipe);  in i965_enable_backlight()
634 		ctl2 |= BLM_COMBINATION_MODE;  in i965_enable_backlight()
636 		ctl2 |= BLM_POLARITY_I965;  in i965_enable_backlight()
637 	intel_de_write(display, BLC_PWM_CTL2, ctl2);  in i965_enable_backlight()
639 	intel_de_write(display, BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE);  in i965_enable_backlight()
651 	u32 ctl, ctl2;  in vlv_enable_backlight()  local
653 	ctl2 = intel_de_read(display, VLV_BLC_PWM_CTL2(pipe));  in vlv_enable_backlight()
654 	if (ctl2 & BLM_PWM_ENABLE) {  in vlv_enable_backlight()
658 		ctl2 &= ~BLM_PWM_ENABLE;  in vlv_enable_backlight()
659 		intel_de_write(display, VLV_BLC_PWM_CTL2(pipe), ctl2);  in vlv_enable_backlight()
668 	ctl2 = 0;  in vlv_enable_backlight()
670 		ctl2 |= BLM_POLARITY_I965;  in vlv_enable_backlight()
671 	intel_de_write(display, VLV_BLC_PWM_CTL2(pipe), ctl2);  in vlv_enable_backlight()
673 	intel_de_write(display, VLV_BLC_PWM_CTL2(pipe), ctl2 | BLM_PWM_ENABLE);  in vlv_enable_backlight()
1366 	u32 ctl, ctl2;  in i965_setup_backlight()  local
1368 	ctl2 = intel_de_read(display, BLC_PWM_CTL2);  in i965_setup_backlight()
1369 	panel->backlight.combination_mode = ctl2 & BLM_COMBINATION_MODE;  in i965_setup_backlight()
1370 	panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965;  in i965_setup_backlight()
1386 	panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE;  in i965_setup_backlight()
1399 	u32 ctl, ctl2;  in vlv_setup_backlight()  local
1404 	ctl2 = intel_de_read(display, VLV_BLC_PWM_CTL2(pipe));  in vlv_setup_backlight()
1405 	panel->backlight.active_low_pwm = ctl2 & BLM_POLARITY_I965;  in vlv_setup_backlight()
1418 	panel->backlight.pwm_enabled = ctl2 & BLM_PWM_ENABLE;  in vlv_setup_backlight()