[Intel-gfx] [PATCH] i915: disable DAC on Ironlake also when doing CRT load detection.
eric at anholt.net
Sat Aug 21 23:07:27 PDT 2010
On Wed, 4 Aug 2010 15:52:19 +1000, Dave Airlie <airlied at gmail.com> wrote:
> From: Dave Airlie <airlied at redhat.com>
> 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.
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