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drm/i915: Check eDP power when doing aux channel communications
authorKeith Packard <keithp@keithp.com>
Mon, 19 Sep 2011 20:54:47 +0000 (13:54 -0700)
committerKeith Packard <keithp@keithp.com>
Fri, 30 Sep 2011 23:23:45 +0000 (16:23 -0700)
Verify that the eDP VDD is on, either with the panel being on or with
the VDD force-on bit being set.

This demonstrates that in many instances, VDD is not on when needed,
which leads to failed EDID communications.

Signed-off-by: Keith Packard <keithp@keithp.com>

No differences found
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