From eb0afe0902abb96a846beb05894a48862d5d2c91 Mon Sep 17 00:00:00 2001 From: Nicolas Vollmar Date: Wed, 11 Sep 2024 09:13:11 +0200 Subject: T6703: Adds option to configure AMD pstate driver (cherry picked from commit 333672bee041f0f2b8e1b698a8eb2108694ad812) --- src/conf_mode/system_option.py | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'src/conf_mode/system_option.py') diff --git a/src/conf_mode/system_option.py b/src/conf_mode/system_option.py index 6aaf3d107..8a49458eb 100755 --- a/src/conf_mode/system_option.py +++ b/src/conf_mode/system_option.py @@ -19,11 +19,13 @@ import os from sys import exit from time import sleep + from vyos.config import Config from vyos.configverify import verify_source_interface from vyos.configverify import verify_interface_exists from vyos.system import grub_util from vyos.template import render +from vyos.utils.cpu import get_cpus from vyos.utils.dict import dict_search from vyos.utils.file import write_file from vyos.utils.kernel import check_kmod @@ -94,6 +96,13 @@ def verify(options): if not is_intf_addr_assigned(interface, address): raise ConfigError(f'Address "{address}" not assigned on interface "{interface}"!') + if 'kernel' in options: + cpu_vendor = get_cpus()[0]['vendor_id'] + if 'amd_pstate_driver' in options['kernel'] and cpu_vendor != 'AuthenticAMD': + raise ConfigError( + f'AMD pstate driver cannot be used with "{cpu_vendor}" CPU!' + ) + return None def generate(options): @@ -107,6 +116,11 @@ def generate(options): cmdline_options.append('mitigations=off') if 'disable_power_saving' in options['kernel']: cmdline_options.append('intel_idle.max_cstate=0 processor.max_cstate=1') + if 'amd_pstate_driver' in options['kernel']: + mode = options['kernel']['amd_pstate_driver'] + cmdline_options.append( + f'initcall_blacklist=acpi_cpufreq_init amd_pstate={mode}' + ) grub_util.update_kernel_cmdline_options(' '.join(cmdline_options)) return None -- cgit v1.2.3