[Bug 84265] [BSW Regression]System fails to find eDP monitor.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84265

liulei <lei.a.liu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED

--- Comment #5 from liulei <lei.a.liu at intel.com> ---
(In reply to comment #2)
> (In reply to comment #1)
> > Have you perhaps upgraded the BIOS on the machine recently?
> 
Both BIOS V35 and V36 fail to detect eDP.
> That's my question as well. I had another report of eDP going missing on one
> machine and there the HDMIC/DP_C registers report the port as not detected.
> My own RVP board with the latest BIOS seems to work just fine however.
> 
> What does this say on the failing machine?
>  intel_reg_read 0x1e1140 0x1e1160 0x1e116c 0x1e4100 0x1e4200 0x1e4300

root at x-bsw02:~# intel_reg_read 0x1e1140 0x1e1160 0x1e116c 0x1e4100 0x1e4200
0x1e4300
0x1E1140 : 0x81C
0x1E1160 : 0x1A
0x1E116C : 0x82000B5E
0x1E4100 : 0x1C
0x1E4200 : 0xA0010018
0x1E4300 : 0x1C

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