Comment # 18 on bug 1185516 from Felix Miata

No fault found with HD6450 and 5.12 here:
# inxi -GISayz
System:
  Kernel: 5.12.13-1-default x86_64 bits: 64 compiler: gcc v: 11.1.1
  parameters:...mitigations=auto consoleblank=0
  Desktop: Trinity R14.0.10 tk: Qt 3.5.0 info: kicker wm: Twin 3.0 vt: 7
  dm: TDM Distro: openSUSE Tumbleweed 20210706
Graphics:
  Device-1: AMD Caicos [Radeon HD 6450/7450/8450 / R5 230 OEM] vendor: Dell
  driver: radeon v: kernel bus-ID: 01:00.0 chip-ID: 1002:6779 class-ID: 0300
  Display: x11 server: X.Org 1.20.11 driver: loaded: modesetting
  unloaded: fbdev,vesa alternate: ati 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: DVI-I-1 res: 1920x1200 hz: 60 dpi: 94
  size: 519x324mm (20.4x12.8") diag: 612mm (24.1")
  OpenGL: renderer: AMD CAICOS (DRM 2.50.0 / 5.12.13-1-default LLVM 12.0.0)
  v: 3.3 Mesa 21.1.4 compat-v: 3.1 direct render: Yes
Info:...Shell: Bash v: 5.1.8 running-in: konsole inxi: 3.3.04