[Bug 93826] 2560x1440 @144Hz graphic glitches and bad refresh rate

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93826

--- Comment #52 from iuno at posteo.net ---
It could be fixed by increasing the default display clock:
https://people.freedesktop.org/~cbrill/dri-log/index.php?channel=radeon&highlight_names=agd5f;grmat&date=2017-01-03


@Eike: you have a faulty monitor, please don't suggest people here to send
theirs back because there certainly *is* a software issue.

@Jonas: Did you try forcing the mclock to high? It doesn't require a higher
core dpm state but should fix your problem.

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