[Bug 101586] [KBL] Constant display flicker after i915 is initialised (horizontal lines in graphics mode, flickering in tty)
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Fri Apr 20 16:33:39 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=101586
--- Comment #15 from René Seindal <rene at seindal.dk> ---
(In reply to Jari Tahvanainen from comment #12)
> I'm reaaaallly sorry about this delay on communication. There has been some
> flickering related fixes incorporated to codeline, so...
> Rene - your symptoms are pointing to HW issue like you said, since lid move
> is involved. Is the problem still valid with the latest kernels (generated
> from drm-tip preferable)
> kxra- Is the problem still valid with the latest kernels (generated from
> drm-tip preferable)
>
> Just wondering that dmesgs provided by both of you do not have any signal of
> "fail play" on the kernel, I would expect to see something....
I will test it as soon as I can.
While it does seem to flicker more with the angle of the lid, there is no
flicker whatsoever with Windows or with the framebuffer driver (I remove the
i915.ko file and reboot), so it is not exclusively a hardware issue. The
hardware works without flicker with other drivers.
I have no chance of getting any kind of support for this issue on this
computer, as there is no problem with windows. For the vendor the computer
works. With the linux driver it doesn't (at least until now).
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