etc-gentoo/hprofile/profiles/vga/files/etc/X11/xorg.conf.d/40-monitor.conf.nouveau

Section "Monitor"
    Identifier  "Default"
EndSection

Section "Device"
    Option      "EXAVsync"  "True"
    Option      "GLXVBlank" "True"
    Identifier  "NOUVEAU"
    Driver      "nouveau"
EndSection

Section "Screen"
    Identifier "NOUVEAU"
    Device     "NOUVEAU"
    Monitor    "Default"
EndSection