drm/i915: add port assertion check when disabling transcoders
authorJesse Barnes <jbarnes@virtuousgeek.org>
Wed, 2 Feb 2011 20:28:03 +0000 (12:28 -0800)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 7 Feb 2011 12:06:13 +0000 (12:06 +0000)
commit291906f11c90467ce552089ea9f7b393f41a87bb
tree1dfcd180c727f1963a23e01de4774c59804bd17c
parent19ec135838f032ad1aa0610b173ad78c16d53d47
drm/i915: add port assertion check when disabling transcoders

When a transcoder is disabled, any ports pointing at it should also be
disabled.  If they're not, we may fail to disable the transcoder,
leading to blank displays.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/intel_display.c