From: Keith Packard <keithp@keithp.com>
Date: Mon, 19 Sep 2011 20:54:47 +0000 (-0700)
Subject: drm/i915: Check eDP power when doing aux channel communications
X-Git-Tag: v3.2-rc1~135^2~2^2~45^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b984daec45632c4c1ef6e628dca4d2bc8f544ed;p=pandora-kernel.git

drm/i915: Check eDP power when doing aux channel communications

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>
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