DocBook/drm: `at driver load time' -> `when the driver is loaded'

      </para>

      <para>

	If your device supports interrupt generation, you may want to

	set up an interrupt handler at driver load time as well.  This

	set up an interrupt handler when the driver is loaded.  This

	is done using the drm_irq_install() function.  If your device

	supports vertical blank interrupts, it should call

	drm_vblank_init() to initialize the core vblank handling code before