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(parent: a6976c7) | patch
drm/nouveau/disp/dp: ensure sink is powered up before attempting link training
authorBen Skeggs <bskeggs@redhat.com>
Wed, 17 Feb 2016 22:14:19 +0000 (08:14 +1000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 3 Mar 2016 23:07:20 +0000 (15:07 -0800)
commit2168fe3d7bfe2738d9095e1ed8eaefea2011686a
treec426f1a21d3dbed0c475af151da0e0c5dd358b85tree | snapshot
parenta6976c7be5b193b4efd95fb16b2d8599dd98364ecommit | diff
drm/nouveau/disp/dp: ensure sink is powered up before attempting link training

commit 95664e66fad964c3dd7945d6edfb1d0931844664 upstream.

This can happen under some annoying circumstances, and is a quick fix
until more substantial changes can be made.

Fixed eDP mode changes on (at least) the Lenovo P50.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c diff | blob | history
drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.h diff | blob | history
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