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  • 30 Comments
Joined 1 year ago
Cake day: March 31st, 2024
  • squid_slime@lemm.eeOPtoLinux@lemmy.ml•Kernel Maintenance By a Novice.
    0·
    7 months ago

    this sounds very involved initially but hands off after the fact.

    Script 
    #!/bin/bash

cd ~/ || exit

LATEST_KERNEL=$(curl -s https://www.kernel.org | grep -Po 'linux-\d+\.\d+\.\d+\.tar\.xz' | head -1)
echo "Latest Kernel: $LATEST_KERNEL"

KERNEL_URL="https://cdn.kernel.org/pub/linux/kernel/v6.x/$LATEST_KERNEL"
echo "Kernel URL: $KERNEL_URL"

DIR_NAME=$(echo $LATEST_KERNEL | sed 's/\.tar\.xz//')
mkdir -p ./$DIR_NAME

wget -O ./$DIR_NAME/$LATEST_KERNEL "$KERNEL_URL" || exit

tar -xf ./$DIR_NAME/$LATEST_KERNEL -C ./$DIR_NAME || exit

EXTRACTED_DIR=$(tar -tf ./$DIR_NAME/$LATEST_KERNEL | head -1 | cut -f1 -d"/")

cd ./$DIR_NAME/$EXTRACTED_DIR || exit

zcat /proc/config.gz > .config
echo "Kernel config copied."

if [ -f "drivers/gpu/drm/amd/display/dc/link/link_dpms.c" ] && [ -f "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c" ]; then
    echo "Files found, proceeding with modifications..."
    
    sed -i 's/#define LINK_TRAINING_RETRY_DELAY 50 \/\* ms \*\//#include <linux\/module.h>\nstatic int link_training_retry_delay = 50;\nmodule_param(link_training_retry_delay, int, 0644);\nMODULE_PARM_DESC(link_training_retry_delay, "Delay between link training retries (ms)");\n#define LINK_TRAINING_RETRY_DELAY link_training_retry_delay/' drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
    
    sed -i 's/#define LINK_TRAINING_ATTEMPTS 4/#include <linux\/module.h>\nstatic int link_training_attempts = 4;\nmodule_param(link_training_attempts, int, 0644);\nMODULE_PARM_DESC(link_training_attempts, "Number of link training attempts");\n#define LINK_TRAINING_ATTEMPTS link_training_attempts/' drivers/gpu/drm/amd/display/dc/link/link_dpms.c
    
else
    echo "One or both files not found in the kernel source directory."
fi

echo "Kernel modifications complete."

make olddefconfig || exit
#make || exit

echo "Compiling the kernel..."
make -j16 || exit

echo "Building modules..."
sudo make modules_install || exit   

echo "Installing the kernel..."
sudo make install || exit   

echo "Backing up existing kernel files..."
sudo cp /boot/vmlinuz-linux /boot/vmlinuz-linux.bak
sudo cp /boot/initramfs-linux.img /boot/initramfs-linux.img.bak

echo "Moving new kernel files to /boot..."
sudo cp ./arch/x86/boot/bzImage /boot/vmlinuz-fix
sudo mkinitcpio -k $(make kernelrelease) -c /etc/mkinitcpio.conf -g /boot/initramfs-fix.img

if [ -f /boot/vmlinuz-fix ] && [ -f /boot/initramfs-fix.img ]; then
    echo "Kernel and initramfs moved to /boot successfully."
else
    echo "Failed to move kernel or initramfs files to /boot."
    exit 1
fi

echo "Kernel compilation, installation, and file replacement completed successfully."

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