PORT_HOTPLUG_EN   367 drivers/gpu/drm/gma500/psb_intel_reg.h #define PORT_HOTPLUG_EN		0x61110
PORT_HOTPLUG_EN  4390 drivers/gpu/drm/i915/i915_reg.h #define PORT_HOTPLUG_EN		_MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61110)