| #!/bin/bash |
| |
| # Copyright 2020 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. |
| |
| modify_kernel_command_line() { |
| |
| # Enable GuC loading |
| echo "i915.enable_guc=2" >> "$1" |
| |
| # TODO(b/154773379): Workaround for frequency scaling issues |
| echo "intel_idle.max_cstate=1" >> "$1" |
| |
| # Enable S0ix logging using GSMI |
| echo "gsmi.s0ix_logging_enable=1" >> "$1" |
| |
| # Check for S0ix failures and show warnings on failures |
| echo "intel_pmc_core.warn_on_s0ix_failures=1" >> "$1" |
| } |
