nano /etc/X11/xorg.conf.d/20-nvidia.conf

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 970"
    Option "NoLogo" "true"
    Option "TripleBuffer" "True"
#   Option "Coolbits" "31"
    Option "metamodes" "nvidia-auto-select +0+0 { ForceFullCompositionPipeline = On }"
#   Option "DRI" "3"
EndSection