tree 2c0ae1b2deb948166d8a85a4afacd33e9714ce83
parent 6a53b31349e7fbe6f742b7f09d7c2118d4fe81e3
author Mykola Lysenko <Mykola.Lysenko@amd.com> 1450476882 -0500
committer Alex Deucher <alexander.deucher@amd.com> 1451927019 -0500

drm/dp/mst: process broadcast messages correctly

In case broadcast message received in UP request,
RAD cannot be used to identify message originator.
Message should be parsed, originator should be found
by GUID from parsed message.

Also reply with broadcast in case broadcast message
received (for now it is always broadcast)

Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Mykola Lysenko <Mykola.Lysenko@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org