[Bug 91269] [SKL] Bisected - Black screen when booting

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91269

--- Comment #5 from Patrik Jakobsson <patrik.r.jakobsson at gmail.com> ---
Hi Christophe

As Ville says, the bisected commit is not related to this afaict. The problem
seems to appear randomly on my SKL-Y so you probably just got unlucky.

I think this is related to a bug in the hw readout code (could be same as
https://bugs.freedesktop.org/show_bug.cgi?id=91428) or the DP link training
issue you're seeing in the dmesg. Both issues are causing quite a lot of igt
fails on SKL.

I'll look into this tomorrow since it seems quite urgent.

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