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Merge pull request #4491 from johnzfitch/fix/pascal-maxwell-nvidia-backend

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Expanded Legacy NVIDIA GPU support with correct backend selection
This commit is contained in:
Ryan Hughes
2026-02-07 01:24:30 -05:00
committed by GitHub
parent 2087d96ad8 ebfcefa553
commit 347afae8c0
2 changed files with 52 additions and 7 deletions
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32
migrations/1770159912.sh Normal file
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echo "Fix NVIDIA environment variables for Maxwell/Pascal/Volta GPUs"
# Detect if user has Maxwell/Pascal/Volta GPU (pre-Turing cards without GSP firmware)
# Maxwell (GTX 9xx), Pascal (GT/GTX 10xx, Quadro P, MX series), Volta (Titan V, Tesla V100, Quadro GV100)
NVIDIA="$(lspci | grep -i 'nvidia')"
if echo "$NVIDIA" | grep -qE "GTX (9[0-9]{2}|10[0-9]{2})|GT 10[0-9]{2}|Quadro [PM][0-9]{3,4}|Quadro GV100|MX *[0-9]+|Titan (X|Xp|V)|Tesla V100"; then
ENVS_CONF="$HOME/.config/hypr/envs.conf"
if [ -f "$ENVS_CONF" ]; then
# Check if file contains problematic variables
if grep -qE "env = (NVD_BACKEND,direct|LIBVA_DRIVER_NAME,nvidia)" "$ENVS_CONF"; then
echo "Removing incompatible NVIDIA environment variables for legacy GPU..."
# Create backup
cp "$ENVS_CONF" "$ENVS_CONF.bak.$(date +%s)"
# Remove all NVIDIA env lines and section headers (we re-add the correct ones below)
sed -i '/^env = \(NVD_BACKEND\|LIBVA_DRIVER_NAME\|__GLX_VENDOR_LIBRARY_NAME\),/d; /^# NVIDIA/d' "$ENVS_CONF"
# Add correct environment variables for legacy GPUs
cat >>"$ENVS_CONF" <<'EOF'
# NVIDIA (Maxwell/Pascal/Volta without GSP firmware)
env = NVD_BACKEND,egl
env = __GLX_VENDOR_LIBRARY_NAME,nvidia
EOF
echo "NVIDIA environment variables updated. A backup was saved to $ENVS_CONF.bak.*"
echo "Please restart Hyprland for changes to take effect."
fi
fi
fi