[Bug 101586] [KBL] Constant display flicker after i915 is initialised (horizontal lines in graphics mode, flickering in tty)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101586

--- Comment #9 from René Seindal <rene at seindal.dk> ---
(In reply to Jani Nikula from comment #7)
> (In reply to René Seindal from comment #6)
> > If it can help I can try to make a video of the display so you can see how
> > it behaves.
> 
> So removing the extra i915 params didn't help? I was hoping it would have.
> But at least we now know more.
> 
> The video might prove helpful.

I noticed something weird while making the video.

Apparently the flicker is more pronounced the more the laptop display is
opened.

If I close the display to just before the point where it turns off, there
doesn't seem to be much flicker, if any.  There's more with the display in a
vertical position and much more with the display turned as far back as it will
go without forcing anything.

It seems very odd to me, because it would indicate a hardware issue, cabling or
whatever, but at the same time the display works perfectly before the i915
driver is loaded, as I hope can be seen from the video, and also if I use the
computer as I am now, without the i915 driver loaded at all.

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