https://github.com/torvalds/linux
Revision d5dd96cb280993a6096b42ab082f9cfd9c7ae0bd authored by Dave Airlie on 04 August 2010, 05:52:19 UTC, committed by Eric Anholt on 22 August 2010, 06:07:04 UTC
Like on Sandybridge, disabling the DAC here when doing CRT load detect
avoids forever hangs waiting on the hardware.

test procedure on HP 2740p:
boot with no VGA plugged in, start X,
plug in VGA monitor (1280x1024)
chvt 3
machine hangs waiting forever.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
1 parent 9d0498a
History
Tip revision: d5dd96cb280993a6096b42ab082f9cfd9c7ae0bd authored by Dave Airlie on 04 August 2010, 05:52:19 UTC
i915: disable DAC on Ironlake also when doing CRT load detection.
Tip revision: d5dd96c
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