BLM_PWM_ENABLE
I915_STATE_WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE,
I915_STATE_WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE,
panel->backlight.enabled = (cpu_ctl2 & BLM_PWM_ENABLE) &&
panel->backlight.enabled = ctl2 & BLM_PWM_ENABLE;
panel->backlight.enabled = ctl2 & BLM_PWM_ENABLE;
if (tmp & BLM_PWM_ENABLE) {
I915_WRITE(BLC_PWM_CPU_CTL2, tmp & ~BLM_PWM_ENABLE);
I915_WRITE(BLC_PWM_CPU_CTL2, tmp & ~BLM_PWM_ENABLE);
I915_WRITE(BLC_PWM_CTL2, tmp & ~BLM_PWM_ENABLE);
I915_WRITE(VLV_BLC_PWM_CTL2(pipe), tmp & ~BLM_PWM_ENABLE);
if (cpu_ctl2 & BLM_PWM_ENABLE) {
cpu_ctl2 &= ~BLM_PWM_ENABLE;
I915_WRITE(BLC_PWM_CPU_CTL2, cpu_ctl2 | BLM_PWM_ENABLE);
if (ctl2 & BLM_PWM_ENABLE) {
ctl2 &= ~BLM_PWM_ENABLE;
I915_WRITE(BLC_PWM_CTL2, ctl2 | BLM_PWM_ENABLE);
if (ctl2 & BLM_PWM_ENABLE) {
ctl2 &= ~BLM_PWM_ENABLE;
I915_WRITE(VLV_BLC_PWM_CTL2(pipe), ctl2 | BLM_PWM_ENABLE);