[Bug 110798] [i915][HSW] Haswell-Core-I5-4210U notebook display doesn't flicker only with i915.modeset=0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110798

--- Comment #6 from Evgen <altsyde at gmail.com> ---
(In reply to Ville Syrjala from comment #5)
> Please test again with 5.2+
> 
> This may have been fixed by commit 475df5d0f3eb ("drm/i915: Don't clobber
> M/N values during fastset check")

I installed daily build of (x)Ubuntu 19.10 and upgraded to kernel 5.2.0-8.9
(which is based on 5.2 and patch was merged to 5.2-rc4).
Unfortunately both problems (flickering and brightness change) are still there.
I'm a little familiar with rebuilding distro kernels (Debian/Ubuntu, openSUSE).
Please let me know if there will be something else to test (patch, config
parameter etc).
Attached newer logs (also with i915.modeset=0).

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