blob: 9ef6db57bbd3c3766166903959135c97c7b98ffc [file] [log] [blame]
#!/bin/bash
# Copyright 2019 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# All kernel command line changes must update the security base lines in
# the signer. It rejects any settings it does not recognize and breaks the
# build. So any modify_kernel_command_line() function change here needs to be
# reflected in ensure_secure_kernelparams.config.
# See crrev.com/i/216896 as an example.
modify_kernel_command_line() {
echo "8250_core.nr_uarts=2" >> "$1"
echo "amdgpu.abmlevel=4" >> "$1"
echo "amdgpu.dcfeaturemask=0x8" >> "$1"
}