git: drm: Bring back a KNOTE() call, unbreak vblank handling

[Francois Tigeot]

commit d3326291c992ac1ede577987d0292653ea0bbafc
Author: François Tigeot <ftigeot at wolfpond.org>
Date:   Tue Sep 1 22:07:59 2015 +0200

    drm: Bring back a KNOTE() call, unbreak vblank handling
    
    * Userland programs were no longer properly notified of vblank events
    
    * We can't use the drm_poll() function present in Linux and its
      explicit poll_wait() call on file_priv->event_wait without introducing
      a completely new kernel infrastructure. Add back the KNOTE() call.
    
    Noticed-by: ivadasz, many

Summary of changes:
 sys/dev/drm/drm_irq.c | 2 ++
 1 file changed, 2 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/d3326291c992ac1ede577987d0292653ea0bbafc


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