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don't read/write HWP MSR if disabled in config file (fix #236)

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erpalma 2021-03-22 11:52:10 +01:00
parent 0b219890d9
commit 3f3b4420b8
1 changed files with 4 additions and 2 deletions
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6
lenovo_fix.py
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@ -624,6 +624,8 @@ def calc_reg_values(platform_info, config):
def set_hwp(performance_mode):
if performance_mode is None:
return
# set HWP energy performance preference
cur_val = readmsr('IA32_HWP_REQUEST', cpu=0)
hwp_mode = HWP_PERFORMANCE_VALUE if performance_mode else HWP_DEFAULT_VALUE
@ -660,7 +662,7 @@ def reload_config():
regs = calc_reg_values(get_cpu_platform_info(), config)
undervolt(config)
set_icc_max(config)
set_hwp(config.getboolean('AC', 'HWP_Mode', fallback=False))
set_hwp(config.getboolean('AC', 'HWP_Mode', fallback=None))
log('[I] Reloading changes.')
return config, regs
@ -752,7 +754,7 @@ def power_thread(config, regs, exit_event):
set_disable_bdprochot()
wait_t = config.getfloat(power['source'], 'Update_Rate_s')
enable_hwp_mode = config.getboolean('AC', 'HWP_Mode', fallback=False)
enable_hwp_mode = config.getboolean('AC', 'HWP_Mode', fallback=None)
# set HWP less frequently. Just to be safe since (e.g.) TLP might reset this value
if (
enable_hwp_mode