Thanks. Please report the bug to upstream here:
https://gitlab.gnome.org/GNOME/mutter/issues
also mentioning it is:
05:00.0 VGA compatible controller: Huawei Technologies Co., Ltd. Hi1710 [iBMC
Intelligent Management system chip w/VGA support] (rev 01)
Kernel driver in use: hibmc-drm
Kernel modules: hibmc_drm
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https://bugs.launchpad.net/bugs/1780076
Title:
18.04 login screen is skewed/distorted (incorrect stride)
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