PORT_HOTPLUG_EN
u32 hotplug = REG_READ(PORT_HOTPLUG_EN);
REG_WRITE(PORT_HOTPLUG_EN, hotplug);
REG_WRITE(PORT_HOTPLUG_EN, 0);
orig = hotplug_en = REG_READ(PORT_HOTPLUG_EN);
REG_WRITE(PORT_HOTPLUG_EN, hotplug_en);
if (!(REG_READ(PORT_HOTPLUG_EN) &
REG_WRITE(PORT_HOTPLUG_EN, orig);
if (intel_de_wait_for_clear_ms(display, PORT_HOTPLUG_EN(display),
intel_de_rmw(display, PORT_HOTPLUG_EN(display), mask, bits);