mirror of
https://github.com/keylase/nvidia-patch.git
synced 2024-08-30 18:32:50 +00:00
add patch for Nvidia FBC
This commit is contained in:
Vladislav Yarmak
parent
07991b9cbe
commit
f5859a6112
165
patch-fbc.sh
Executable file
165
patch-fbc.sh
Executable file
@ -0,0 +1,165 @@
|
||||
#!/bin/bash
|
||||
# halt on any error for safety and proper pipe handling
|
||||
set -euo pipefail ; # <- this semicolon and comment make options apply
|
||||
# even when script is corrupt by CRLF line terminators (issue #75)
|
||||
# empty line must follow this comment for immediate fail with CRLF newlines
|
||||
|
||||
backup_path="/opt/nvidia/libnvidia-fbc-backup"
|
||||
silent_flag=''
|
||||
|
||||
print_usage() { printf '
|
||||
SYNOPSIS
|
||||
patch-fbc.sh [-s] [-r|-h|-c VERSION|-l]
|
||||
|
||||
DESCRIPTION
|
||||
The patch for Nvidia drivers to allow FBC on consumer devices
|
||||
|
||||
-s Silent mode (No output)
|
||||
-r Rollback to original (Restore lib from backup)
|
||||
-h Print this help message
|
||||
-c VERSION Check if version VERSION supported by this patch.
|
||||
Returns true exit code (0) if version is supported.
|
||||
-l List supported driver versions
|
||||
|
||||
'
|
||||
}
|
||||
|
||||
# shellcheck disable=SC2209
|
||||
opmode="patch"
|
||||
|
||||
while getopts 'rshc:l' flag; do
|
||||
case "${flag}" in
|
||||
r) opmode="${opmode}rollback" ;;
|
||||
s) silent_flag='true' ;;
|
||||
h) opmode="${opmode}help" ;;
|
||||
c) opmode="${opmode}checkversion" ; checked_version="$OPTARG" ;;
|
||||
l) opmode="${opmode}listversions" ;;
|
||||
*) echo "Incorrect option specified in command line" ; exit 2 ;;
|
||||
esac
|
||||
done
|
||||
|
||||
if [[ $silent_flag ]]; then
|
||||
exec 1> /dev/null
|
||||
fi
|
||||
|
||||
declare -A patch_list=(
|
||||
["440.36"]='s/\x85\xc0\x89\xc3\x0f\x85\xa9\xfa\xff\xff/\x31\xc0\x89\xc3\x0f\x85\xa9\xfa\xff\xff/'
|
||||
)
|
||||
|
||||
declare -A object_list=(
|
||||
["440.36"]='libnvidia-fbc.so'
|
||||
)
|
||||
|
||||
check_version_supported () {
|
||||
local ver="$1"
|
||||
[[ "${patch_list[$ver]+isset}" && "${object_list[$ver]+isset}" ]]
|
||||
}
|
||||
|
||||
get_supported_versions () {
|
||||
for drv in "${!patch_list[@]}"; do
|
||||
[[ "${object_list[$drv]+isset}" ]] && echo "$drv"
|
||||
done | sort -t. -n
|
||||
return 0
|
||||
}
|
||||
|
||||
patch_common () {
|
||||
NVIDIA_SMI="$(command -v nvidia-smi || true)"
|
||||
if [[ ! "$NVIDIA_SMI" ]] ; then
|
||||
echo 'nvidia-smi utility not found. Probably driver is not installed.'
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if ! driver_version=$("$NVIDIA_SMI" --query-gpu=driver_version --format=csv,noheader,nounits | head -n 1) ; then
|
||||
echo 'Something went wrong. Check nvidia driver'
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "Detected nvidia driver version: $driver_version"
|
||||
|
||||
if ! check_version_supported "$driver_version" ; then
|
||||
echo "Patch for this ($driver_version) nvidia driver not found."
|
||||
echo "Patch is available for versions: "
|
||||
get_supported_versions
|
||||
exit 1
|
||||
fi
|
||||
|
||||
patch="${patch_list[$driver_version]}"
|
||||
object="${object_list[$driver_version]}"
|
||||
|
||||
declare -a driver_locations=(
|
||||
'/usr/lib/x86_64-linux-gnu'
|
||||
'/usr/lib/x86_64-linux-gnu/nvidia/current/'
|
||||
'/usr/lib64'
|
||||
"/usr/lib/nvidia-${driver_version%%.*}"
|
||||
)
|
||||
|
||||
dir_found=''
|
||||
for driver_dir in "${driver_locations[@]}" ; do
|
||||
if [[ -e "$driver_dir/$object.$driver_version" ]]; then
|
||||
dir_found='true'
|
||||
break
|
||||
fi
|
||||
done
|
||||
|
||||
[[ "$dir_found" ]] || { echo "ERROR: cannot detect driver directory"; exit 1; }
|
||||
|
||||
}
|
||||
|
||||
rollback () {
|
||||
patch_common
|
||||
if [[ -f "$backup_path/$object.$driver_version" ]]; then
|
||||
cp -p "$backup_path/$object.$driver_version" \
|
||||
"$driver_dir/$object.$driver_version"
|
||||
echo "Restore from backup $object.$driver_version"
|
||||
else
|
||||
echo "Backup not found. Try to patch first."
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
patch () {
|
||||
patch_common
|
||||
if [[ -f "$backup_path/$object.$driver_version" ]]; then
|
||||
bkp_hash="$(sha1sum "$backup_path/$object.$driver_version" | cut -f1 -d\ )"
|
||||
drv_hash="$(sha1sum "$driver_dir/$object.$driver_version" | cut -f1 -d\ )"
|
||||
if [[ "$bkp_hash" != "$drv_hash" ]] ; then
|
||||
echo "Backup exists and driver file differ from backup. Skipping patch."
|
||||
return 0
|
||||
fi
|
||||
else
|
||||
echo "Attention! Backup not found. Copying current $object to backup."
|
||||
mkdir -p "$backup_path"
|
||||
cp -p "$driver_dir/$object.$driver_version" \
|
||||
"$backup_path/$object.$driver_version"
|
||||
fi
|
||||
sha1sum "$backup_path/$object.$driver_version"
|
||||
sed "$patch" "$backup_path/$object.$driver_version" > \
|
||||
"${PATCH_OUTPUT_DIR-$driver_dir}/$object.$driver_version"
|
||||
sha1sum "${PATCH_OUTPUT_DIR-$driver_dir}/$object.$driver_version"
|
||||
ldconfig
|
||||
echo "Patched!"
|
||||
}
|
||||
|
||||
query_version_support () {
|
||||
if check_version_supported "$checked_version" ; then
|
||||
echo "SUPPORTED"
|
||||
exit 0
|
||||
else
|
||||
echo "NOT SUPPORTED"
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
list_supported_versions () {
|
||||
get_supported_versions
|
||||
}
|
||||
|
||||
case "${opmode}" in
|
||||
patch) patch ;;
|
||||
patchrollback) rollback ;;
|
||||
patchhelp) print_usage ; exit 2 ;;
|
||||
patchcheckversion) query_version_support ;;
|
||||
patchlistversions) list_supported_versions ;;
|
||||
*) echo "Incorrect combination of flags. Use option -h to get help."
|
||||
exit 2 ;;
|
||||
esac
|
||||
Loading…
Reference in New Issue
Block a user