| #!/bin/bash |
| |
| # Copyright 2019 The ChromiumOS Authors |
| # 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 "amdgpu.dcfeaturemask=0x8" |
| |
| # See b/306665683 |
| echo "amdgpu.ppfeaturemask=0xfff73fff" |
| |
| # See b/160277722 |
| echo "rtc-cmos.use_acpi_alarm=1" |
| |
| # See b/271817196 |
| echo "clearcpuid=xsaves" |
| } >> "$1" |
| } |
