This morning, I noticed a scrambling/random color patterns (not sure what to call it) of colors in the display on a Wayland session, which occurs after the password is input and before the openSUSE light bulb splash screen appears.
This displays for about one second. This will occur from a cold or warm boot of the system.
If logging in first using X11, then log out, then login using Wayland, it does not occur. If logging in using X11 from a cold boot or reboot, it does not occur.
As this issue began this morning, I assume that one of the 20240314 upgrades from Plasma 6.0.1 to 6.0.2 that came in last night, is causing it.
This is the GPU information from the current Wayland session (if it helps):
~> inxi -G
Graphics:
Device-1: AMD RS780L [Radeon 3000] driver: radeon v: kernel
Display: wayland server: X.org v: 1.21.1.11 with: Xwayland v: 23.2.4
compositor: kwin_wayland driver: X: loaded: radeon
unloaded: fbdev,modesetting,vesa dri: r600 gpu: radeon
resolution: 1920x1080
API: EGL v: 1.5 drivers: kms_swrast,r600,swrast
platforms: gbm,wayland,x11,surfaceless,device
API: OpenGL v: 4.5 compat-v: 3.3 vendor: mesa v: 23.3.6 renderer: AMD
RS780 (DRM 2.50.0 / 6.7.9-1-default LLVM 17.0.6)
API: Vulkan Message: No Vulkan data available.