Hello, I'm having trouble getting full resolution on Linux. Mesa controller 21.2.6. Monitor 2560x1080 shows only 1493 x 630. My Xorg.conf:
cat /etc/X11/xorg.conf
Section "Monitor"
Identifier "HDMI-0"
Modeline "2560x1080x53.92" 162.500000 2560 2608 2640 2720 1080 1083 1087 1108 +HSync -VSync
EndSection
https ://www .screenresolution.org/