[Bug 2076297] [NEW] Ubuntu Studio: Plymouth graphical splash screen not working

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Plymouth graphical splash screen is not working at boot up, there is only text splash shown.
At shutddwn graphical splash is shown.

Kernel: 6.8.0-38-lowlatency

Based on dmesg, the 'amdgpu' driver is loaded as late as 10..16 seconds
after the boot has started, which seems to be too late for Plymouth to
show the graphical splash.

Not sure if "systemd modprobe drm" is responsible for getting amdgpu
loaded eventually, but also that is starting quite late in the process.

Comparing amdgpu load time to for example on openSUSE Tumbleweed on the
same PC, it takes 4..5 seconds, so 6..11 seconds less than on Ubuntu!

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

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Ubuntu Studio: Plymouth graphical splash screen not working
https://bugs.launchpad.net/bugs/2076297
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