XELPDP_PORT_HOTPLUG_CTL
intel_de_rmw(display, XELPDP_PORT_HOTPLUG_CTL(hpd_pin),
val = intel_de_read(display, XELPDP_PORT_HOTPLUG_CTL(pin));
intel_de_write(display, XELPDP_PORT_HOTPLUG_CTL(pin), val);