registration of the IRQs, and clear it to 0 after unregistering the
IRQs.
+IRQ Helper Library
+~~~~~~~~~~~~~~~~~~
+
+.. kernel-doc:: drivers/gpu/drm/drm_irq.c
+ :doc: irq helpers
+
+.. kernel-doc:: drivers/gpu/drm/drm_irq.c
+ :export:
+
Memory Manager Initialization
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~