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[BH-990] Adjist CPU frequency chages

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Adjusted Bell frequency low-power mode changes
This commit is contained in:
Wojtek Rzepecki
2021-10-11 17:17:44 +02:00
committed by Wojciech Rzepecki
parent a93105d7af
commit 6e69eb6aa6
21 changed files with 146 additions and 31 deletions
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40
module-sys/SystemManager/PowerManager.cpp
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@@ -9,11 +9,6 @@ namespace sys
{
namespace
{
inline constexpr uint32_t frequencyShiftLowerThreshold{40};
inline constexpr uint32_t frequencyShiftUpperThreshold{60};
inline constexpr uint32_t maxBelowThresholdCount{30};
inline constexpr uint32_t maxBelowThresholdInRowCount{10};
inline constexpr uint32_t maxAboveThresholdCount{3};
constexpr auto lowestLevelName{"lowestCpuFrequency"};
constexpr auto middleLevelName{"middleCpuFrequency"};
constexpr auto highestLevelName{"highestCpuFrequency"};
@@ -38,7 +33,7 @@ namespace sys
totalTicksCount += ticks;
}
PowerManager::PowerManager()
PowerManager::PowerManager() : powerProfile{bsp::getPowerProfile()}
{
lowPowerControl = bsp::LowPowerMode::Create().value_or(nullptr);
driverSEMC = drivers::DriverSEMC::Create("ExternalRAM");
@@ -81,11 +76,12 @@ namespace sys
const auto currentCpuFreq = lowPowerControl->GetCurrentFrequencyLevel();
const auto minFrequencyRequested = cpuGovernor->GetMinimumFrequencyRequested();
if (cpuLoad > frequencyShiftUpperThreshold && currentCpuFreq < bsp::CpuFrequencyHz::Level_6) {
if (cpuLoad > powerProfile.frequencyShiftUpperThreshold && currentCpuFreq < bsp::CpuFrequencyHz::Level_6) {
aboveThresholdCounter++;
belowThresholdCounter = 0;
}
else if (cpuLoad < frequencyShiftLowerThreshold && currentCpuFreq > bsp::CpuFrequencyHz::Level_1) {
else if (cpuLoad < powerProfile.frequencyShiftLowerThreshold &&
currentCpuFreq > powerProfile.minimalFrequency) {
belowThresholdCounter++;
aboveThresholdCounter = 0;
}
@@ -101,13 +97,19 @@ namespace sys
ResetFrequencyShiftCounter();
IncreaseCpuFrequency(minFrequencyRequested);
}
else if (aboveThresholdCounter >= maxAboveThresholdCount) {
ResetFrequencyShiftCounter();
IncreaseCpuFrequency(bsp::CpuFrequencyHz::Level_6);
else if (aboveThresholdCounter >= powerProfile.maxAboveThresholdCount) {
if (powerProfile.frequencyIncreaseIntermediateStep && currentCpuFreq < bsp::CpuFrequencyHz::Level_4) {
ResetFrequencyShiftCounter();
IncreaseCpuFrequency(bsp::CpuFrequencyHz::Level_4);
}
else {
ResetFrequencyShiftCounter();
IncreaseCpuFrequency(bsp::CpuFrequencyHz::Level_6);
}
}
else {
if (belowThresholdCounter >=
(isFrequencyLoweringInProgress ? maxBelowThresholdInRowCount : maxBelowThresholdCount) &&
if (belowThresholdCounter >= (isFrequencyLoweringInProgress ? powerProfile.maxBelowThresholdInRowCount
: powerProfile.maxBelowThresholdCount) &&
currentCpuFreq > minFrequencyRequested) {
ResetFrequencyShiftCounter();
DecreaseCpuFrequency();
@@ -119,7 +121,7 @@ namespace sys
{
const auto freq = lowPowerControl->GetCurrentFrequencyLevel();
if (freq == bsp::CpuFrequencyHz::Level_1) {
if ((freq <= bsp::CpuFrequencyHz::Level_1) && (newFrequency > bsp::CpuFrequencyHz::Level_1)) {
// connect internal the load resistor
lowPowerControl->ConnectInternalLoadResistor();
// turn off power save mode for DCDC inverter
@@ -148,7 +150,7 @@ namespace sys
void PowerManager::DecreaseCpuFrequency()
{
const auto freq = lowPowerControl->GetCurrentFrequencyLevel();
auto level = bsp::CpuFrequencyHz::Level_1;
auto level = powerProfile.minimalFrequency;
switch (freq) {
case bsp::CpuFrequencyHz::Level_6:
@@ -164,9 +166,11 @@ namespace sys
level = bsp::CpuFrequencyHz::Level_2;
break;
case bsp::CpuFrequencyHz::Level_2:
level = bsp::CpuFrequencyHz::Level_1;
level = powerProfile.minimalFrequency;
break;
case bsp::CpuFrequencyHz::Level_1:
[[fallthrough]];
case bsp::CpuFrequencyHz::Level_0:
break;
}
@@ -175,7 +179,7 @@ namespace sys
SetCpuFrequency(level);
}
if (level == bsp::CpuFrequencyHz::Level_1) {
if (level <= bsp::CpuFrequencyHz::Level_1) {
// Enable weak 2P5 and 1P1 LDO and Turn off regular 2P5 and 1P1 LDO
lowPowerControl->SwitchToLowPowerModeLDO();
@@ -233,7 +237,7 @@ namespace sys
void PowerManager::UpdateCpuFrequencyMonitor(bsp::CpuFrequencyHz currentFreq)
{
auto ticks = xTaskGetTickCount();
auto levelName = currentFreq == bsp::CpuFrequencyHz::Level_1
auto levelName = currentFreq == powerProfile.minimalFrequency
? lowestLevelName
: (currentFreq == bsp::CpuFrequencyHz::Level_6 ? highestLevelName : middleLevelName);