PIPE_HOTPLUG_INTERRUPT_STATUS  542 drivers/gpu/drm/gma500/psb_intel_reg.h #define PIPE_HOTPLUG_INTERRUPT_STATUS		(1UL << 10)
PIPE_HOTPLUG_INTERRUPT_STATUS 5709 drivers/gpu/drm/i915/i915_reg.h #define   PIPE_HOTPLUG_INTERRUPT_STATUS		(1UL << 10)