Nothin' but Slackware : Dual-GPU nvidia-prime configuration script

Dual-GPU nvidia-prime configuration script

This is an old info, so I'm not sure whether this script is effective or not for recent nvidia environment.

非常に古い情報なので、

1) 最近の環境でスクリプトが正常に動作するかどうか

2) これを必要とするユーザーがまだ存在するのか

よくわかりません。

私自身の備忘録として書き留めておきます。

元情報：

https://forums.developer.nvidia.com/t/oops-something-went-wrong-and-the-system-cant-recover/47975/11

Download the script

[code] something README

script : nvprime.sh

[code]

: '
/ *****************************************************************************

   Dual-GPU nvidia-prime configuration script by D7X
   Please make sure you have installed the latest nvidia driver
   from the official nvidia website

   Enables nvidia-prime on dual-gpu systems. Tested on dual-gpu
   system with nvidia gtx960m and intel hd530 graphics on kernel 4.9

   Made possible thanks to generix
   https://devtalk.nvidia.com/default/topic/995110/linux/oops-something-went-wrong-and-the-system-can-t-recover/

   To test whether it was successful run xrandr --listproviders. You should get something like:
   Providers: number : 2
   Provider 0: id: 0x20a cap: 0x1, Source Output crtcs: 0 outputs: 0 associated providers: 1 name:NVIDIA-0
   Provider 1: id: 0x44 cap: 0x2, Sink Output crtcs: 3 outputs: 2 associated providers: 1 name:modesetting

   You may also need to add nvidia-drm.modeset=1 to /etc/default/grub

   For any comments please e-mail to: nospam@promisedev.com

****************************************************************************** /
'
#!/bin/bash
echo "Checking for available display managers..."

lightdm_path="/etc/lightdm"
lightdm_setup_file="/etc/lightdm/display_setup.sh"
lightdm_conf="$lightdm_path/lightdm.conf"
if [ -d $lightdm_path ]; then
   echo "lightdm detected, configuring $light_dm_setup_file ..."
   echo '#!/bin/sh' >> $lightdm_setup_file
   echo 'xrandr --setprovideroutputsource modesetting NVIDIA-0' >> $lightdm_setup_file
   echo 'xrandr --auto' >> $lightdm_setup_file
   chmod +x $lightdm_setup_file
   echo "configuring $lightdm_conf ..."
   echo "Making a backup of $lightdm_conf to $lightdm_conf.bak"
   cp $lightdm_conf "$lightdm_conf.bak"
   sed -i -e s/'type=xlocal'/'type=xlocal\ndisplay-setup-script=\/etc\/lightdm\/display_setup.sh'/g $lightdm_conf
   echo "[OK] lightdm configured.";
fi

sddm_path="/usr/share/sddm/scripts"
sddm_setup_file="/usr/share/sddm/scripts/Xsetup"
if [ -d $sddm_path ]; then
   echo "sddm detected, configuring $sddm_setup_file ..."
   echo 'xrandr --setprovideroutputsource modesetting NVIDIA-0' >> $sddm_setup_file
   echo 'xrandr --auto' >> $sddm_setup_file
   echo "[OK] sddm configured.";
fi

gdm_path="/usr/share/gdm/greeter/autostart"
gdm_setup_file="/usr/share/gdm/greeter/autostart/optimus.desktop"
gdm_entry='[Desktop Entry]
Type=Application
Name=Optimus
Exec=sh -c "xrandr --setprovideroutputsource modesetting NVIDIA-0; xrandr --auto"
NoDisplay=true
X-GNOME-Autostart-Phase=DisplayServer'

if [ -d $gdm_path ]; then
   echo "gdm detected, configuring $gdm_setup_file"
   echo "$gdm_entry" > $gdm_setup_file
    cp $gdm_setup_file ~/.config/autostart
   echo "[OK] gdm configured"
fi

xdg_path="/etc/xdg"
xdg_setup_file="/etc/xdg/autostart/optimus.desktop"
if [ -d $xdg_path ]; then
        echo "xdg detected as well, configuring $xdg_setup_file"
        echo "$gdm_entry" > $xdg_setup_file
        cp $xdg_setup_file ~/.config/autostart
   echo "[OK] xdg configured"
fi

kdm_path="/usr/share/config/kdm"
kdm_setup_file="/usr/share/config/kdm/Xsetup"
if [ -d $kdm_path ]; then
        echo "kdm detected, configuring $light_dm_setup_file ..."
        echo '#!/bin/sh' >> $kdm_setup_file
        echo 'xrandr --setprovideroutputsource modesetting NVIDIA-0' >> $kdm_setup_file
        echo 'xrandr --auto' >> $kdm_setup_file
   echo "[OK] kdm configured."
fi

echo "Getting the correct Bus ID ..."
pci_bus_id=`nvidia-xconfig --query-gpu-info | grep 'BusID : ' | cut -d ' ' -f6`
echo $pci_bus_id
echo -n "Is this the correct nvidia busid ? Press [enter] to continue, or type a new Bus ID: "
read PARAM
if [ ! -z $PARAM ]; then
   pci_bus_id=$PARAM
fi
echo "Using $pci_bus_id ..."
echo "Generating new xorg.conf file ..."
xorg_conf='Section "ServerLayout"
   Identifier "layout"
   Screen 0 "nvidia"
   Inactive "intel"
EndSection

Section "Device"
   Identifier "nvidia"
   Driver "nvidia"
   BusID "'$pci_bus_id'"
EndSection

Section "Screen"
   Identifier "nvidia"
   Device "nvidia"
   Option "AllowEmptyInitialConfiguration"
EndSection

Section "Device"
   Identifier "intel"
   Driver "modesetting"
EndSection

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

echo "*** Generated xorg.conf file: "
echo "$xorg_conf"
echo "******************************"
read -p "Are you sure? (a backup will be made) (Y/n) " -r XORG_CONFIRM_OVERRIDE

if [ $XORG_CONFIRM_OVERRIDE = "y" ] || [ $XORG_CONFIRM_OVERRIDE = "Y" ];
then
   xorg_conf_f="/etc/X11/xorg.conf"
   echo "Creating $xorg_conf_f.backup"
   cp $xorg_conf_f "$xorg_conf_f.backup"
   echo "overriding with the new configuration ..."
   echo "$xorg_conf" > $xorg_conf_f
else
   echo "operation aborted, exitting..."
   exit
fi

echo "Configuration done, try to reboot"

[code] example of my xorg.conf

Section "ServerLayout"
   Identifier "layout"
   Screen 0 "nvidia"
   Inactive "intel"
EndSection

Section "Device"
   Identifier "nvidia"
   Driver "nvidia"
        VendorName     "NVIDIA Corporation"
        BoardName      "GeForce 940MX"
   BusID "PCI:1:0:0"
EndSection

Section "Screen"
   Identifier "nvidia"
   Device "nvidia"
   Option "AllowEmptyInitialConfiguration"
EndSection

Section "Device"
   Identifier "intel"
   Driver "modesetting"
EndSection

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

---

[2022-07-15] 新規

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