Waveshare DSI LCD displays

I did. However it errored out

$ uname -r
6.1.58-v7l+

Waveshare have only built their drivers for Pi3 (armv7) and Pi4 64bit (armv8), not armv7l used by Pi4 in 32bit mode.

modprobe: ERROR: could not insert 'WS_xinchDSI_Touch': Exec format error
modprobe: ERROR: could not insert 'WS_xinchDSI_Screen': Exec format error
It already exists and does not need to be added
It already exists and does not need to be added
It already exists and does not need to be added
It already exists and does not need to be added
It already exists and does not need to be added
It already exists and does not need to be added
Driver end Settings