drm/i915/tv: After disabling the pipe, use wait_for_vblank_off()
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 24 Aug 2010 15:07:16 +0000 (16:07 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 8 Sep 2010 09:23:59 +0000 (10:23 +0100)
commitb7ac36dadafa69214faa75a34844d56bd0c14e89
tree36b90dcfda7b9ff9b973ae335adde657f022011d
parenta95735569312f2ab0c80425e2cd1e5cb0b4e1870
drm/i915/tv: After disabling the pipe, use wait_for_vblank_off()

Hopefully this is a contributing factor to the spurious TV detection
repoted by Ivan Bulatovic and others.

References:

  Bug 16871 - "TV1 connected" with no tv
  https://bugzilla.kernel.org/show_bug.cgi?id=16871

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reported-by: Ivan Bulatovic <combuster@gmx.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
drivers/gpu/drm/i915/intel_tv.c