[Bug 85924] [hsw DP-to-DVI] DP hot plug fails if booted without Monitor Attached

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85924

--- Comment #44 from Zoran Stojsavljevic <zoran.stojsavljevic at intel.com> ---
Hello to everybody,

I will again make summary of the problem.

HW used:

As I understand, GE IP and Unify were able to reproduce this problem on both of
the following platforms:
[1] INTEL Reference platform being mentioned right at the beginning of the
thread: Supermicro board and the E3-1268Lv3
[2] GE Proprietary Haswell Desktop CPUs i3-4330TE, i5-4570TE

GE folks have not seen different results doing the tests on their own system
vs. Supermicro.

SW used: Fedora 21 kernel 3.19.1

Problem statement/description (with the tests done so far):
[1] (INTEL POR configuration) HSW UEFI BIOS + vBIOS + WIN7 = OK
[2] HSW UEFI BIOS + vBIOS + WIN8.1 = OK
[3] HSW UEFI BIOS + GOP + WIN7 = NOT IMPORTANT
[4] (INTEL POR configuration) HSW UEFI BIOS + GOP + WIN8.1 = OK
[5] HSW UEFI BIOS + vBIOS + F21 = FAILED (NOT POR/BKM)
[6] (INTEL POR configuration) HSW UEFI BIOS + GOP + F21 = FAILED

Please, keep in mind that these configurations were tested with the same
passive DP -> DVI cables, two types of it!

Thank you,
Zoran

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