Comment # 13 on bug 1177707 from Felix Miata (offline until ???)

Apparently not an issue for all AMD APUs/GPUs on UEFI (e.g. gcn 2nd gen):
# inxi -SGMIay
System:
  Host: ara88 Kernel: 5.8.14-1-default x86_64 bits: 64 compiler: gcc v: 10.2.1
  parameters: mitigations=auto consoleblank=0 radeon.cik_support=0
   amdgpu.cik_support=1   video=1440x900@60 drm.debug=0x1e log_buf_len=1M 3
  Desktop: Trinity R14.0.8 tk: Qt 3.5.0 info: kicker wm: Twin 3.0 dm: TDM
  Distro: openSUSE Tumbleweed 20201012
Machine:
  Type: Desktop Mobo: ASRock model: FM2A88X Extreme6+ serial: E80-38024200616
  UEFI: American Megatrends v: P4.20 date: 01/13/2016
Graphics:
  Device-1: AMD Kaveri [Radeon R7 Graphics] vendor: ASRock driver: amdgpu
  v: kernel alternate: radeon bus ID: 00:01.0 chip ID: 1002:1313
  Display: x11 server: X.Org 1.20.9 driver: amdgpu
  unloaded: fbdev,modesetting,vesa alternate: ati display ID: :0 screens: 1
  Screen-1: 0 s-res: 2560x2520 s-dpi: 120 s-size: 541x533mm (21.3x21.0")
  s-diag: 759mm (29.9")
  Monitor-1: DisplayPort-0 res: 2560x1440 hz: 60 dpi: 109
  size: 598x336mm (23.5x13.2") diag: 686mm (27")
  Monitor-2: HDMI-A-0 res: 2560x1080 hz: 60 dpi: 97
  size: 673x284mm (26.5x11.2") diag: 730mm (28.8")
  OpenGL: renderer: AMD KAVERI (DRM 3.38.0 5.8.14-1-default LLVM 10.0.1)
  v: 4.6 Mesa 20.1.8 direct render: Yes
Info:...running in: konsole inxi: 3.1.07