Working Xorg.conf on gentoo for NVidia GeForce 940MX

Section "Module"
    Load "modesetting"
EndSection

Section "ServerLayout"
    Identifier     "Layout0"
    Screen         1 "nvidia" 0 0
    Inactive       "intel"
    Option         "Xinerama" "0"
EndSection

Section "Files"
        ModulePath "/usr/lib64/opengl/nvidia/,/usr/lib64/xorg/modules/"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
EndSection

Section "Device"
    Identifier     "nvidia"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BusID          "PCI:1:0:0"
    Option         "AllowEmptyInitialConfiguration"
    Option         "DPI" "96 x 96"
EndSection

Section "Screen"
    Identifier     "nvidia"
    Device         "nvidia"
    Monitor        "Monitor0"
EndSection

Section "Device"
    Identifier     "intel"
    Driver         "modesetting"
    BusID          "PCI:0:2:0"
    Option         "DPI" "96 x 96"
EndSection

Section "Screen"
    Identifier     "intel"
    Device         "intel"
EndSection