[Bug 106943] [Regression] Horizontal lines on Samsung NP900X3G

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106943

--- Comment #4 from Frank Winklmeier <frank at winklmeier.name> ---
Fair point. So starting from 4.17.2 I tried adding this commit:

db7c1c2 drm/i915/dp: Add support for HBR3 and TPS4 during link training

and then also reverting this one (starting again from 4.17.2):

80a4cb3 Revert "drm/i915/edp: Do not do link training fallback or prune modes
on EDP"

Neither of these solved the problem. Since there is a large amount of
differences between drm-tip and 4.17.2, can someone give a hint as to which
commits could be responsible for fixing the problem in drm-tip?

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