Comment # 35 on bug 964429 from Ulrich Windl

When I hacked the EDID override into /etc/X11/xorg.conf.d/50-device.conf, the
resolution was OK. Effective lines were:
Section "Device"
    Identifier "Nvidia"
    Driver "nvidia"
    Option    "CustomEDID" "DFP-0:/etc/Dell-P2210.edid"
EndSection