Ubuntu is not able to detect multipble displays when using an gpu from AMD. Error "VGACON disables amdgpu ..."
When searching for graphics card with "sudo lshw -c video" on Ubuntu 19.10 or 20.04 (beta) the following error is shown:
# list graphics/video cards
sudo lshw -c video
#[drm:amdgpu_init [amdgpu]] *ERROR* VGACON disables amdgpu kernel mode setting.