Section "ServerLayout"
    Identifier "layout"
    Screen 0 "iGPU"
EndSection

Section "Device"
    Identifier "iGPU"
    Driver "modesetting"
EndSection

Section "Screen"
    Identifier "iGPU"
    Device "iGPU"
EndSection

Section "Device"
    Identifier "dGPU"
    Driver "nvidia"
EndSection