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109 lines
3.8 KiB
Bash
Executable File
109 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Intel GPU installation & configuration script (open source stack)
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# Expects GPU_VENDOR=intel
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# Environment overrides:
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# INTEL_USE_AMBER=0/1 # use mesa-amber instead of mesa (legacy Gen2-11 classic drivers)
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# INTEL_INSTALL_LIB32=auto/1/0 # install 32-bit libs (auto: only if multilib enabled) default auto
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# INTEL_INSTALL_VULKAN=1/0 # install vulkan-intel (default 1)
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# INTEL_INSTALL_LIB32_VK=auto/1/0 # 32-bit vulkan driver (auto: if 32-bit mesa installed) default auto
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# INTEL_INSTALL_XF86=0/1 # install xf86-video-intel legacy DDX (default 0, not recommended)
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# INTEL_ENABLE_GUC= # empty (do nothing) or 0/1/2/3 value to set enable_guc= kernel param
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# INTEL_SKIP_INITRAMFS=0/1 # skip mkinitcpio regeneration (default 0)
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# INTEL_VERBOSE=0/1 # verbose logging
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set -e
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[ "$GPU_VENDOR" = "intel" ] || {
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echo "Intel installer invoked but GPU_VENDOR=$GPU_VENDOR"
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exit 0
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}
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INTEL_USE_AMBER=${INTEL_USE_AMBER:-0}
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INTEL_INSTALL_LIB32=${INTEL_INSTALL_LIB32:-auto}
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INTEL_INSTALL_VULKAN=${INTEL_INSTALL_VULKAN:-1}
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INTEL_INSTALL_LIB32_VK=${INTEL_INSTALL_LIB32_VK:-auto}
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INTEL_INSTALL_XF86=${INTEL_INSTALL_XF86:-0}
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INTEL_ENABLE_GUC=${INTEL_ENABLE_GUC:-}
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INTEL_SKIP_INITRAMFS=${INTEL_SKIP_INITRAMFS:-0}
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INTEL_VERBOSE=${INTEL_VERBOSE:-1}
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vlog() { if [ "$INTEL_VERBOSE" = 1 ]; then echo "[intel] $*"; fi; }
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info() { echo "[intel] $*"; }
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warn() { echo "[intel][warn] $*" >&2; }
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# Detect multilib
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if grep -q '^\[multilib\]' /etc/pacman.conf; then MULTILIB=1; else MULTILIB=0; fi
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# Base mesa package
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if [ "$INTEL_USE_AMBER" = 1 ]; then
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BASE_MESA=mesa-amber
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LIB32_BASE=lib32-mesa-amber
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else
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BASE_MESA=mesa
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LIB32_BASE=lib32-mesa
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fi
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install_pkg() {
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local pkg="$1"
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if pacman -Qi "$pkg" > /dev/null 2>&1; then
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vlog "$pkg already installed"
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else
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if pacman -Si "$pkg" > /dev/null 2>&1; then
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yes | sudo pacman -Sy --noconfirm "$pkg"
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else
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warn "Package $pkg not found in repos (not handling AUR here)"
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fi
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fi
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}
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info "Installing Intel GPU stack"
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install_pkg "$BASE_MESA"
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# 32-bit mesa
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if { [ "$INTEL_INSTALL_LIB32" = auto ] && [ $MULTILIB = 1 ]; } || [ "$INTEL_INSTALL_LIB32" = 1 ]; then
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install_pkg "$LIB32_BASE"
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else
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vlog "Skipping 32-bit mesa (INTEL_INSTALL_LIB32=$INTEL_INSTALL_LIB32 MULTILIB=$MULTILIB)"
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fi
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# Vulkan
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if [ "$INTEL_INSTALL_VULKAN" = 1 ]; then
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install_pkg vulkan-intel
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if { [ "$INTEL_INSTALL_LIB32_VK" = auto ] && [ $MULTILIB = 1 ]; } || [ "$INTEL_INSTALL_LIB32_VK" = 1 ]; then
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install_pkg lib32-vulkan-intel
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else
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vlog "Skipping 32-bit vulkan (INTEL_INSTALL_LIB32_VK=$INTEL_INSTALL_LIB32_VK MULTILIB=$MULTILIB)"
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fi
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fi
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# Legacy xf86-video-intel (not recommended)
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if [ "$INTEL_INSTALL_XF86" = 1 ]; then
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install_pkg xf86-video-intel
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else
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vlog "Not installing xf86-video-intel (INTEL_INSTALL_XF86=$INTEL_INSTALL_XF86)"
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fi
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# GuC / HuC enablement
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if [ -n "$INTEL_ENABLE_GUC" ]; then
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if ! echo "$INTEL_ENABLE_GUC" | grep -Eq '^[0-3]$'; then
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warn "INTEL_ENABLE_GUC must be 0..3; ignoring"
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else
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info "Configuring enable_guc=$INTEL_ENABLE_GUC"
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sudo mkdir -p /etc/modprobe.d
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echo "options i915 enable_guc=$INTEL_ENABLE_GUC" | sudo tee /etc/modprobe.d/i915-guc.conf > /dev/null
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if [ "$INTEL_SKIP_INITRAMFS" != 1 ] && [ -f /etc/mkinitcpio.conf ]; then
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info "Regenerating initramfs (mkinitcpio -P) for GuC/HuC change"
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sudo mkinitcpio -P || warn "mkinitcpio failed; continue manually"
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else
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info "Skipping initramfs regeneration (INTEL_SKIP_INITRAMFS=$INTEL_SKIP_INITRAMFS)"
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fi
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fi
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fi
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# Report kernel driver
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KDRV=$(lspci -k -d ::0300 2> /dev/null | awk '/Kernel driver in use:/ {print $5; exit}')
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[ -z "$KDRV" ] && KDRV=$(lsmod | grep -E 'i915|xe' | head -n1 | awk '{print $1}')
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info "Kernel driver in use: ${KDRV:-unknown}"
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info "Intel GPU stack installation complete"
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export INTEL_STACK_DONE=1
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