AMD + NVIDIA setup on linux manjaro / arch

instructions

#FOR ARCH LINUX#
sudo pacman -S nvidia #or nvidia-lts if linux-lts
 
sudo gedit /etc/X11/xorg.conf.d/10-nvidia-drm-outputclass.conf
#text
Section "OutputClass"
    Identifier "intel" # or amd
    MatchDriver "i915" # can be removed if amd
    Driver "modesetting"
EndSection
 
Section "OutputClass"
    Identifier "nvidia"
    MatchDriver "nvidia-drm"
    Driver "nvidia"
    Option "AllowEmptyInitialConfiguration"
    Option "PrimaryGPU" "yes"
    ModulePath "/usr/lib/nvidia/xorg"
    ModulePath "/usr/lib/xorg/modules"
EndSection
#text
 
sudo gedit /etc/lightdm/display_setup.sh
 
#text
#!/bin/sh
xrandr --setprovideroutputsource modesetting NVIDIA-0
xrandr --auto
#text
chmod +x /etc/lightdm/display_setup.sh
 
sudo gedit /etc/lightdm/lightdm.conf
#text
[Seat:*]
display-setup-script=/etc/lightdm/display_setup.sh
#text
 
sudo gedit /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 quiet nvidia-drm.modeset=1" #Add nvidia-drm.modeset=1 to the end#
 
 sudo grub-mkconfig -o /boot/grub/grub.cfg
 
sudo gedit /etc/mkinitcpio.conf
#add text
MODULES=(nvidia nvidia_modeset nvidia_uvm nvidia_drm)
#text
 
sudo pacman -S linux #reinstalling the linux kernel to update initramfs. or linux-lts for lts kernel
sudo gedit /etc/pacman.d/hooks/nvidia.hook #automatization#
 
[Trigger]
Operation=Install
Operation=Upgrade
Operation=Remove
Type=Package
Target=nvidia nvidia_modeset nvidia_uvm nvidia_drm
Target=linux #or linux-lts if using lts kernel
 
[Action]
Description=Update Nvidia module in initcpio
Depends=mkinitcpio
When=PostTransaction
NeedsTargets
Exec=/bin/sh -c 'while read -r trg; do case $trg in linux) exit 0; esac; done; /usr/bin/mkinitcpio -P'