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(parent: c8d4524) | patch
drm/radeon/dp: Set EDP_CONFIGURATION_SET for bridge chips if necessary
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 11 Feb 2015 23:34:36 +0000 (18:34 -0500)
committerBen Hutchings <ben@decadent.org.uk>
Sat, 9 May 2015 22:16:17 +0000 (23:16 +0100)
commitca1a95865fdcf092aafdd911beb9520c59c714c8
tree45bf3f3e93541c1eaaca009bae815c9172ed3af2tree | snapshot
parentc8d452410c798d28ac96c3716b011d3d6b5d3adecommit | diff
drm/radeon/dp: Set EDP_CONFIGURATION_SET for bridge chips if necessary

commit 66c2b84ba6256bc5399eed45582af9ebb3ba2c15 upstream.

Don't restrict it to just eDP panels.  Some LVDS bridge chips require
this.  Fixes blank panels on resume on certain laptops.  Noticed
by mrnuke on IRC.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=42960

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/gpu/drm/radeon/atombios_dp.c diff | blob | history
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