[Bug 91791] [SKL-U] System hang when plug in a VGA monitor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91791

--- Comment #20 from Gary Wang <gary.c.wang at intel.com> ---
it should be firmware v3.8 (refer following mst dump).
...
        mst: ffff8800894e3ae0, 0
        port: 3: ddps: 1 ldps: 1, ffff8800a3efe800, conn: ffff8800a3eff000
        port: 2: ddps: 0 ldps: 0, ffff8800a3efc000, conn: ffff8800a3efb800
        port: 1: ddps: 0 ldps: 0, ffff8800a3efd000, conn: ffff8800a3efc800
        port: 0: ddps: 1 ldps: 0, ffff8800a3efd800, conn:           (null)
vcpi: 3 1
vcpi 0: 3 1 14
vcpi 1:unsed
vcpi 2:unsed
payload 0: 2, 1, 14
payload 1: 0, 15, 0
payload 2: 0, 15, 0
dpcd: 12 14 c4 01 00 15 01 83 02 00 00 00 00 00 04
faux/mst: 00 01
mst ctrl: 07
branch oui: 90cc24 devid: SYNA3 revision: hw: 1.0 sw: 3.8
payload table: 03 01 01 01 01 01 01 01 01 01 01 01 01 01 01 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...

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