numerous updates

2026-10-21 08:33:19 -06:00
parent 474a678d45
commit 0905f858a9
27 changed files with 651 additions and 5 deletions
@@ -0,0 +1,67 @@
+#!/bin/bash
+#
+# Purpose : Install NVIDIA's driver when the machine has an NVIDIA GPU and no
+#           NVIDIA driver yet (i.e. archinstall's proprietary option wasn't
+#           picked). Turing (GTX 16xx / RTX 20xx) and newer get the open kernel
+#           modules; Maxwell, Pascal and Volta get the 580xx legacy driver from
+#           the AUR. Older cards stay on nouveau.
+#
+#           Run from install.sh only, never from an update: silently moving a
+#           working machine off nouveau is too risky to do mid-update.
+
+set -e
+
+source "$HOME/.local/share/coredesktop/utils.sh"
+
+# Read device IDs from sysfs: lspci needs pciutils and wakes suspended GPUs.
+# Turing is the first generation with GSP firmware (open modules) and the first
+# with device IDs at 0x1e00 or above; Maxwell starts at 0x1340.
+GPU=none
+for device in /sys/bus/pci/devices/*; do
+  [[ $(< "$device/vendor") == 0x10de && $(< "$device/class") == 0x03* ]] || continue
+  id=$(( $(< "$device/device") ))
+  if (( id >= 0x1e00 )); then
+    GPU=open
+  elif (( id >= 0x1340 )) && [ "$GPU" = none ]; then
+    GPU=legacy
+  fi
+done
+
+if [ "$GPU" = none ]; then
+  echo "No NVIDIA GPU supported by the current drivers found."
+  exit 0
+fi
+
+if is_installed nvidia-utils || is_installed nvidia-580xx-utils; then
+  echo "NVIDIA driver already installed."
+  exit 0
+fi
+
+# DKMS builds the module for every installed kernel, so each needs its headers
+PACKAGES=()
+for kernel in linux linux-lts linux-zen linux-hardened; do
+  if is_installed "$kernel"; then
+    PACKAGES+=("$kernel-headers")
+  fi
+done
+
+if [ "$GPU" = open ]; then
+  PACKAGES+=(nvidia-open-dkms nvidia-utils libva-nvidia-driver)
+else
+  PACKAGES+=(nvidia-580xx-dkms nvidia-580xx-utils)
+fi
+
+echo "Installing NVIDIA driver..."
+install_packages "${PACKAGES[@]}"
+
+# Load the driver from the initramfs so the GPU is ready when GDM starts
+sudo install -d -m 755 /etc/mkinitcpio.conf.d
+echo 'MODULES+=(nvidia nvidia_modeset nvidia_uvm nvidia_drm)' \
+  | sudo tee /etc/mkinitcpio.conf.d/nvidia.conf > /dev/null
+sudo mkinitcpio -P
+
+# GDM only offers Wayland on NVIDIA when these are enabled, since without them
+# the GPU loses its memory contents across suspend
+sudo systemctl enable nvidia-suspend.service nvidia-hibernate.service nvidia-resume.service
+
+echo "NVIDIA driver installed. Reboot to start using it."