drm/i915: disable hotplug detect before Ironlake CRT detect

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This tries to fix CRT detect loop hang seen on some Ironlake form
factor, to clear up hotplug detect state before taking CRT detect
to make sure next hotplug detect cycle is consistent.

Cc: Stable Team <stable@kernel.org>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

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Zhenyu Wang 2010-01-25 10:35:16 +08:00 • committed by Eric Anholt

parent 92dcffb916

commit eceb784cec

1 changed files with 3 additions and 0 deletions

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drivers/gpu/drm/i915/intel_crt.c

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