I tried in Xubuntu 18.04 with HWE, kernel 4.18.0-16-generic, and I get image on external display via HDMI.
xserver-xorg-video-nouveau-hwe-18.04 1:1.0.15-3~18.04.1
I tried in Xubuntu 18.04 with HWE, kernel 4.18.0-16-generic,
and I get image on external display via HDMI.
xserver- xorg-video- nouveau- hwe-18. 04 1:1.0.15-3~18.04.1