Hi,

I would like to share my 3 files at /usr/share/X11/xorg.conf.d/

xorg.conf 

10-nvidia.conf

11-nvidia-offload.conf

a) xorg

Section "Files"
   ModulePath "/usr/lib/xorg"
EndSection

Section "Device"
   Identifier "intel"
   Driver "i915"
   Option "DRI2" "on"
   BusID "PCI:0:2:0"
#   Option "AccelMethod" "uxa"
EndSection

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

Section "Device"
   Identifier "nvidia-drm"
   Driver "nvidia-drm"
EndSection

Section "Device"
   Identifier "nvidia-modeset"
   Driver "nvidia-modeset"
EndSection

Section "Device"
   Identifier "nvidia"
   Driver "nvidia"
   BusID "PCI:1:0:0"
EndSection

Section "ServerFlags"
   Option "DefaultServerLayout" "layout"
   Option "DisableVidModeExtension"  "on"
   Option "AIGLX" "off"
   Option "IndirectGLX" "off"
   Option "GlxVisuals" "minimal"
   Option "Log" "flush"
   Option "DontVTSwitch"  "on"
   Option "DontZap"  "on"
   Option "DontZoom"  "on"
   Option "AutoAddDevices" "on"
   Option "AutoEnableDevices" "off"
   Option "AutoAddGPU" "on"
   Option "AutoBindGPU"  "off"
EndSection

Section "Extensions"
   Option "RENDER" "Enable"
   Option "Composite" "Enable"
   Option "GLX" "Enable"
   Option "MIT-SHM" "Disable"
EndSection

b) 10-nvidia.conf (same as default)

Section "OutputClass"
    Identifier "nvidia"
    MatchDriver "nvidia-drm"
    Driver "nvidia"
    Option "AllowEmptyInitialConfiguration"
    ModulePath "/usr/lib/x86_64-linux-gnu/nvidia/xorg"
EndSection

c) 11-nvidia-offload.conf

Section "ServerLayout"
    Identifier "layout"
    Screen 0 "intel" 0 0
    Inactive "nvidia-drm"
    Inactive "nvidia-modeset"
    Inactive "nvidia"
    Option "AllowNVIDIAGPUScreens"
EndSection

My dGPU is a 940mx (nvidia) playing at 2560x1080, ubuntu 20.04 LTS

aTI,

L. F