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config values can be commented out to disable (fix #52)

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This commit is contained in:
erpalma
2018-09-03 17:05:42 +02:00
parent 494ea7f595
commit 6516f44621
1 changed files with 66 additions and 18 deletions
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64
lenovo_fix.py
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@@ -187,6 +187,16 @@ def get_critical_temp():
return readmsr(0x1a2, 16, 23, cpu=0)
def get_cur_pkg_power_limits():
value = readmsr(0x610, 0, 55, flatten=True)
return {
'PL1': get_value_for_bits(value, 0, 14),
'TW1': get_value_for_bits(value, 17, 23),
'PL2': get_value_for_bits(value, 32, 46),
'TW2': get_value_for_bits(value, 49, 55),
}
def calc_time_window_vars(t):
time_unit = get_time_unit()
for Y in range(2**5):
@@ -217,7 +227,7 @@ def calc_undervolt_mv(msr_value):
def undervolt(config):
for plane in VOLTAGE_PLANES:
write_offset_mv = config.getfloat('UNDERVOLT', plane)
write_offset_mv = config.getfloat('UNDERVOLT', plane, fallback=0.)
write_value = calc_undervolt_msr(plane, write_offset_mv)
writemsr(0x150, write_value)
if args.debug:
@@ -243,9 +253,15 @@ def load_config():
'PL2_Tdp_W',
'PL2_Duration_S',
):
config.set(power_source, option, str(max(0.1, config.getfloat(power_source, option))))
value = config.getfloat(power_source, option, fallback=None)
if value is not None:
value = config.set(power_source, option, str(max(0.1, value)))
elif option == 'Update_Rate_s':
print('[E] The mandatory "Update_Rate_s" parameter is missing.')
sys.exit(1)
trip_temp = config.getfloat(power_source, 'Trip_Temp_C')
trip_temp = config.getfloat(power_source, 'Trip_Temp_C', fallback=None)
if trip_temp is not None:
valid_trip_temp = min(TRIP_TEMP_RANGE[1], max(TRIP_TEMP_RANGE[0], trip_temp))
if trip_temp != valid_trip_temp:
config.set(power_source, 'Trip_Temp_C', str(valid_trip_temp))
@@ -275,20 +291,52 @@ def calc_reg_values(platform_info, config):
global TRIP_TEMP_RANGE
TRIP_TEMP_RANGE[1] = min(TRIP_TEMP_RANGE[1], critical_temp - 3)
trip_offset = int(round(critical_temp - config.getfloat(power_source, 'Trip_Temp_C')))
Trip_Temp_C = config.getfloat(power_source, 'Trip_Temp_C', fallback=None)
if Trip_Temp_C is not None:
trip_offset = int(round(critical_temp - Trip_Temp_C))
regs[power_source]['MSR_TEMPERATURE_TARGET'] = trip_offset << 24
else:
print('[I] {:s} trip temperature is disabled in config.'.format(power_source))
power_unit = get_power_unit()
PL1 = int(round(config.getfloat(power_source, 'PL1_Tdp_W') / power_unit))
Y, Z = calc_time_window_vars(config.getfloat(power_source, 'PL1_Duration_s'))
PL1_Tdp_W = config.getfloat(power_source, 'PL1_Tdp_W', fallback=None)
PL1_Duration_s = config.getfloat(power_source, 'PL1_Duration_s', fallback=None)
PL2_Tdp_W = config.getfloat(power_source, 'PL2_Tdp_W', fallback=None)
PL2_Duration_s = config.getfloat(power_source, 'PL2_Duration_s', fallback=None)
if (PL1_Tdp_W, PL1_Duration_s, PL2_Tdp_W, PL2_Duration_s).count(None) < 4:
cur_pkg_power_limits = get_cur_pkg_power_limits()
if PL1_Tdp_W is None:
PL1 = cur_pkg_power_limits['PL1']
print('[I] {:s} PL1_Tdp_W disabled in config.'.format(power_source))
else:
PL1 = int(round(PL1_Tdp_W / power_unit))
if PL1_Duration_s is None:
TW1 = cur_pkg_power_limits['TW1']
print('[I] {:s} PL1_Duration_s disabled in config.'.format(power_source))
else:
Y, Z = calc_time_window_vars(PL1_Duration_s)
TW1 = Y | (Z << 5)
PL2 = int(round(config.getfloat(power_source, 'PL2_Tdp_W') / power_unit))
Y, Z = calc_time_window_vars(config.getfloat(power_source, 'PL2_Duration_s'))
if PL2_Tdp_W is None:
PL2 = cur_pkg_power_limits['PL2']
print('[I] {:s} PL2_Tdp_W disabled in config.'.format(power_source))
else:
PL2 = int(round(PL2_Tdp_W / power_unit))
if PL2_Duration_s is None:
TW2 = cur_pkg_power_limits['TW2']
print('[I] {:s} PL2_Duration_s disabled in config.'.format(power_source))
else:
Y, Z = calc_time_window_vars(PL2_Duration_s)
TW2 = Y | (Z << 5)
regs[power_source]['MSR_PKG_POWER_LIMIT'] = PL1 | (1 << 15) | (TW1 << 17) | (PL2 << 32) | (1 << 47) | (
TW2 << 49)
else:
print('[I] {:s} package power limits are disabled in config.'.format(power_source))
# cTDP
c_tdp_target_value = config.getint(power_source, 'cTDP', fallback=None)