Comment # 20 on bug 1188954 from Felix Miata

Still happening on the comment #17 TW host running Tiwai's simpledrm kernel,
and no workarounds engaged:
# rpm -qa | egrep 'gdm|sddm|lightdm|kdm|tdm|xdm'
xdm-1.1.12-17.2.x86_64
# inxi -Sy
System:
  Host: asa88 Kernel: 5.16.3-4.gc7377e3-default x86_64 bits: 64
    Desktop: KDE Plasma 5.23.5 Distro: openSUSE Tumbleweed 20220130
# inxi -Gayz
Graphics:
  Device-1: AMD Kaveri [Radeon R7 Graphics] vendor: ASUSTeK driver: amdgpu
    v: kernel alternate: radeon bus-ID: 00:01.0 chip-ID: 1002:130f
    class-ID: 0300
  Display: x11 server: X.Org 1.21.1.3 compositor: kwin_x11 driver:
    loaded: amdgpu unloaded: modesetting alternate: ati,fbdev,vesa
    display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1920x1200 s-dpi: 120 s-size: 406x254mm (16.0x10.0")
    s-diag: 479mm (18.9")
  Monitor-1: HDMI-A-0 res: 1920x1200 hz: 60 dpi: 94
    size: 519x324mm (20.4x12.8") diag: 612mm (24.1")
  OpenGL:
    renderer: AMD KAVERI (DRM 3.44.0 5.16.3-4.gc7377e3-default LLVM 13.0.0)
    v: 4.6 Mesa 21.3.4 direct render: Yes
#