UTIL_PIN_CTL
tmp = intel_de_read(display, UTIL_PIN_CTL);
intel_de_write(display, UTIL_PIN_CTL, tmp);
val = intel_de_read(display, UTIL_PIN_CTL);
intel_de_rmw(display, UTIL_PIN_CTL, UTIL_PIN_ENABLE, 0);
val = intel_de_read(display, UTIL_PIN_CTL);
intel_de_write(display, UTIL_PIN_CTL, val);
intel_de_write(display, UTIL_PIN_CTL,
(intel_de_read(display, UTIL_PIN_CTL) & (UTIL_PIN_ENABLE | UTIL_PIN_MODE_MASK)) == (UTIL_PIN_ENABLE | UTIL_PIN_MODE_PWM),
(intel_de_read(display, UTIL_PIN_CTL) &