This bug is still open with xorg-server 2:1.3.0.0.dfsg-4ubuntu1
The DDC/EDID modeline injection code seems to produce correct modelines,
> (II) NV(0): Modeline "1920x1200" 154.00 1920 1968 2000 2080 1200 1203 1209 1235 -hsync +vsync
but that mode is invalidated with the message
> (II) NV(0): Not using driver mode "1920x1200" (exceeds panel dimensions)
This bug is still open with xorg-server 2:1.3.0. 0.dfsg- 4ubuntu1
The DDC/EDID modeline injection code seems to produce correct modelines,
> (II) NV(0): Modeline "1920x1200" 154.00 1920 1968 2000 2080 1200 1203 1209 1235 -hsync +vsync
but that mode is invalidated with the message
> (II) NV(0): Not using driver mode "1920x1200" (exceeds panel dimensions)