The only difference is which GPU mutter/gnome-shell is trying to use as
"primary". According to the log in comment #2 it sounds like Nvidia is
indeed the primary here:

 三  04 23:54:57 ubuntu-ThinkStation-P350-Tower gnome-shell[1127]: Added 
device '/dev/dri/card1' (nvidia-drm) using non-atomic mode setting.
 三  04 23:54:57 ubuntu-ThinkStation-P350-Tower gnome-shell[1127]: Device 
'/dev/dri/card0' prefers shadow buffer
 三  04 23:54:57 ubuntu-ThinkStation-P350-Tower gnome-shell[1127]: Added 
device '/dev/dri/card0' (i915) using atomic mode setting.
...
 三  04 23:54:58 ubuntu-ThinkStation-P350-Tower gnome-shell[1127]: Created gbm 
renderer for '/dev/dri/card1'
 三  04 23:54:58 ubuntu-ThinkStation-P350-Tower gnome-shell[1127]: Created gbm 
renderer for '/dev/dri/card0'
 三  04 23:54:58 ubuntu-ThinkStation-P350-Tower gnome-shell[1127]: Boot VGA 
GPU /dev/dri/card1 selected as primary

So yeah that's different to most hybrid laptops. Still I would keep the
'hybrid' tag since that word can just mean two GPUs.


** This bug is no longer a duplicate of bug 1959888
   Wayland sessions can't use external monitors that are connected to an Nvidia 
GPU with the proprietary driver

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https://bugs.launchpad.net/bugs/1963701

Title:
  [NVIDIA][Wayland] graphic target not able to reach as the only monitor
  connect to NV GPU only on I+N machine

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