I have a laptop with NVIDIA GPU. I’m using external screen. Internal laptop screen is detected as PRIME Display in nvidia-settings
.
To prevent tearing on the external screen I have to enable G-SYNC in nvidia-settings
.
To keep the setting persistent after reboot I have to save the settings to X configuration file.
The problem is that the generated xorg.conf
does not include the laptop screen. After reboot the laptop screen is not even detected.
My question is: is it possible to save NVIDIA settings for the external screen and keep the laptop screen working?
System info:
Distribution: KDE neon 5.21 User Edition (based on Ubuntu 20.04)
Kernel version: 5.8.0-44-generic
NVIDIA driver version: 460.39
Prime Configuration: nvidia
xorg.conf
generated by nvidia-settings
:
xorg.conf
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 460.39
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
Option "Xinerama" "0"
EndSection
Section "Files"
EndSection
Section "Module"
Load "dbe"
Load "extmod"
Load "type1"
Load "freetype"
Load "glx"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/psaux"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
# generated from default
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "Monitor"
# HorizSync source: edid, VertRefresh source: edid
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Samsung"
HorizSync 223.0 - 223.0
VertRefresh 120.0 - 144.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce RTX 2070 with Max-Q Design"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "Stereo" "0"
Option "nvidiaXineramaInfoOrder" "DFP-3"
Option "metamodes" "nvidia-auto-select +1920+0 {AllowGSYNCCompatible=On}"
Option "SLI" "Off"
Option "MultiGPU" "Off"
Option "BaseMosaic" "off"
SubSection "Display"
Depth 24
EndSubSection
EndSection
(you can see that the external screen is shifted by 1920
pixels because the laptop 1080p screen is enabled, however the laptop screen is not defined anywhere in the file )