I did this and apparently worked. Now I can see 2 providers on xrandr:
# xrandr --listproviders
Providers: number : 2
Provider 0: id: 0x48 cap: 0x9, Source Output, Sink Offload crtcs: 4 outputs: 5 associated providers: 1 name:Intel
Provider 1: id: 0x144 cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 1 name:modesetting
But when I connect the second monitor in the dock, all screens turn black, and nothing happened after this. I will test more and put here the results.
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