Comment 2 for bug 1892584

I've tested ubuntu kernel 5.4.0-26-generic + debian packages (full os install). It works fine. I can conclude this not kernel issue but X-server or amd drivers.

Debian packages which works:

ii x11-xserver-utils 7.7+8 amd64 X server utilities
ii xserver-common 2:1.20.4-1+deb10u1 all common files used by various X servers
ii xserver-xephyr 2:1.20.4-1+deb10u1 amd64 nested X server
ii xserver-xorg 1:7.7+19 amd64 X.Org X server
ii xserver-xorg-core 2:1.20.4-1+deb10u1 amd64 Xorg X server - core server
ii xserver-xorg-input-all 1:7.7+19 amd64 X.Org X server -- input driver metapackage
ii xserver-xorg-input-libinput 0.28.2-2 amd64 X.Org X server -- libinput input driver
ii xserver-xorg-input-wacom 0.34.99.1-1 amd64 X.Org X server -- Wacom input driver
ii xserver-xorg-legacy 2:1.20.4-1+deb10u1 amd64 setuid root Xorg server wrapper
ii xserver-xorg-video-all 1:7.7+19 amd64 X.Org X server -- output driver metapackage
ii xserver-xorg-video-amdgpu 18.1.99+git20190207-1 amd64 X.Org X server -- AMDGPU display driver
ii xserver-xorg-video-ati 1:19.0.1-1 amd64 X.Org X server -- AMD/ATI display driver wrapper
ii xserver-xorg-video-fbdev 1:0.5.0-1 amd64 X.Org X server -- fbdev display driver
ii xserver-xorg-video-intel 2:2.99.917+git20180925-2 amd64 X.Org X server -- Intel i8xx, i9xx display driver
ii xserver-xorg-video-nouveau 1:1.0.16-1 amd64 X.Org X server -- Nouveau display driver
ii xserver-xorg-video-qxl 0.1.5-2+b1 amd64 X.Org X server -- QXL display driver
ii xserver-xorg-video-radeon 1:19.0.1-1 amd64 X.Org X server -- AMD/ATI Radeon display driver
ii xserver-xorg-video-vesa 1:2.4.0-1 amd64 X.Org X server -- VESA display driver
ii xserver-xorg-video-vmware 1:13.3.0-2 amd64 X.Org X server -- VMware display driver