Fabian
110 lines
4.1 KiB
Bash
110 lines
4.1 KiB
Bash
#!/bin/bash
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# =============================================================================
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# Step 5: Install Patched amdgpu Module
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# =============================================================================
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# Installs the patched amdgpu.ko.zst module, backs up the original,
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# runs depmod, and rebuilds initramfs.
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#
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# Usage: sudo bash 05_install_module.sh [path_to_amdgpu.ko.zst]
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# If no path given, looks in the default build location.
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#
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# IMPORTANT: Reboot after running this script!
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# =============================================================================
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set -euo pipefail
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KERNEL_VER="$(uname -r)"
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MODULE_DIR="/lib/modules/$KERNEL_VER/kernel/drivers/gpu/drm/amd/amdgpu"
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ORIGINAL="$MODULE_DIR/amdgpu.ko.zst"
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# Find the module to install
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if [[ -n "${1:-}" ]]; then
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NEW_MODULE="$1"
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else
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# Try default build location
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NEW_MODULE="$HOME/kernel-build/linux-cachyos/src/linux-*/drivers/gpu/drm/amd/amdgpu/amdgpu.ko.zst"
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NEW_MODULE=$(ls $NEW_MODULE 2>/dev/null | head -1 || true)
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fi
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if [[ -z "$NEW_MODULE" || ! -f "$NEW_MODULE" ]]; then
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echo "ERROR: No module found. Provide path as argument:"
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echo " sudo bash $0 /path/to/amdgpu.ko.zst"
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exit 1
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fi
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echo "============================================"
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echo " Installing Patched amdgpu Module"
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echo "============================================"
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echo ""
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echo " Kernel: $KERNEL_VER"
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echo " Source: $NEW_MODULE"
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echo " Target: $ORIGINAL"
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echo ""
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# ─────────────────────────────────────────────
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# 1. Backup Original Module
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# ─────────────────────────────────────────────
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echo "[1/4] Backing up original module..."
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if [[ -f "$ORIGINAL" && ! -f "$ORIGINAL.orig" ]]; then
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sudo cp "$ORIGINAL" "$ORIGINAL.orig"
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echo " Backup: $ORIGINAL.orig"
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elif [[ -f "$ORIGINAL.orig" ]]; then
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echo " Backup already exists: $ORIGINAL.orig"
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else
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echo " WARNING: Original module not found at $ORIGINAL"
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fi
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# ─────────────────────────────────────────────
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# 2. Install New Module
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# ─────────────────────────────────────────────
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echo "[2/4] Installing patched module..."
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sudo cp "$NEW_MODULE" "$ORIGINAL"
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echo " Installed: $(ls -lh "$ORIGINAL" | awk '{print $5, $9}')"
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# ─────────────────────────────────────────────
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# 3. Run depmod
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# ─────────────────────────────────────────────
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echo "[3/4] Running depmod..."
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sudo depmod -a "$KERNEL_VER"
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echo " Done."
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# ─────────────────────────────────────────────
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# 4. Rebuild Initramfs
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# ─────────────────────────────────────────────
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echo "[4/4] Rebuilding initramfs..."
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if command -v mkinitcpio &>/dev/null; then
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# Arch/CachyOS
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sudo mkinitcpio -P
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echo " mkinitcpio completed."
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elif command -v dracut &>/dev/null; then
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sudo dracut --force
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echo " dracut completed."
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elif command -v update-initramfs &>/dev/null; then
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sudo update-initramfs -u
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echo " update-initramfs completed."
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fi
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# Update bootloader if Limine
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if command -v limine-update &>/dev/null; then
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echo " Updating Limine bootloader..."
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sudo limine-update
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echo " Limine updated."
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fi
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echo ""
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echo "============================================"
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echo " Module installed successfully!"
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echo "============================================"
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echo ""
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echo " REBOOT NOW to load the patched module:"
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echo " sudo reboot"
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echo ""
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echo " After reboot, run 06_verify_installation.sh"
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echo ""
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echo " To restore original module if needed:"
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echo " sudo cp $ORIGINAL.orig $ORIGINAL"
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echo " sudo depmod -a $KERNEL_VER"
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echo " sudo mkinitcpio -P && sudo limine-update"
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echo " sudo reboot"
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