fix(nvidia): Enable persistenced service, add extra option to use /va…

…r/tmp as the storage for temporary files. (#263)

nvidia-install.sh

@@ -51,10 +51,13 @@ rpm-ostree install \
 # disables nvidia repos provided by ublue-os-nvidia-addons
 sed -i 's@enabled=1@enabled=0@g' /etc/yum.repos.d/{eyecantcu-supergfxctl,negativo17-fedora-nvidia,nvidia-container-toolkit}.repo
 
+systemctl enable nvidia-persistenced.service
+
 systemctl enable ublue-nvctk-cdi.service
 semodule --verbose --install /usr/share/selinux/packages/nvidia-container.pp
 
 # Universal Blue specific Initramfs fixes
+echo "options nvidia NVreg_TemporaryFilePath=/var/tmp" >> /usr/lib/modprobe.d/nvidia-atomic.conf
 cp /etc/modprobe.d/nvidia-modeset.conf /usr/lib/modprobe.d/nvidia-modeset.conf
 sed -i 's@omit_drivers@force_drivers@g' /usr/lib/dracut/dracut.conf.d/99-nvidia.conf