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DVFS: Add safety check

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Lightos1
2026-02-12 16:12:36 +01:00
parent f1044673d0
commit 8f28daceef
1 changed files with 13 additions and 10 deletions
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23
Source/sys-clk/sysmodule/src/clock_manager.cpp
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@@ -566,14 +566,23 @@ void ClockManager::Tick()
); );
if(module == SysClkModule_MEM && Board::GetSocType() == SysClkSocType_Mariko && targetHz > oldHz && this->config->GetConfigValue(HorizonOCConfigValue_DVFSMode) == DVFSMode_Hijack) { if(module == SysClkModule_MEM && Board::GetSocType() == SysClkSocType_Mariko && targetHz > oldHz && this->config->GetConfigValue(HorizonOCConfigValue_DVFSMode) == DVFSMode_Hijack) {
Board::PcvHijackDvfs(Board::GetMinimumGpuVoltage(targetHz / 1000000)); u32 vmin = Board::GetMinimumGpuVoltage(targetHz / 1000000);
I2c_BuckConverter_SetMvOut(&I2c_Mariko_GPU, Board::GetMinimumGpuVoltage(targetHz / 1000000)); Board::PcvHijackDvfs(vmin);
this->context->voltages[HocClkVoltage_GPU] = Board::GetMinimumGpuVoltage(targetHz / 1000000) * 1000;
/* Update the voltage. */
I2c_BuckConverter_SetMvOut(&I2c_Mariko_GPU, vmin);
/* Wait until it's safe to update clock. */
u32 gpuVolts;
while ((gpuVolts = I2c_BuckConverter_GetMvOut(&I2c_Mariko_GPU) != vmin)) {
svcSleepThread(50000);
}
this->context->voltages[HocClkVoltage_GPU] = gpuVolts;
} }
Board::SetHz((SysClkModule)module, nearestHz); Board::SetHz((SysClkModule)module, nearestHz);
this->context->freqs[module] = nearestHz; this->context->freqs[module] = nearestHz;
} }
if(module == SysClkModule_MEM && Board::GetSocType() == SysClkSocType_Mariko && targetHz < oldHz && this->config->GetConfigValue(HorizonOCConfigValue_DVFSMode) == DVFSMode_Hijack) { if(module == SysClkModule_MEM && Board::GetSocType() == SysClkSocType_Mariko && targetHz < oldHz && this->config->GetConfigValue(HorizonOCConfigValue_DVFSMode) == DVFSMode_Hijack) {
@@ -599,12 +608,6 @@ void ClockManager::Tick()
FixCpuBug(); FixCpuBug();
} }
} }
// else {
// if(module == SysClkModule_MEM && Board::GetSocType() == SysClkSocType_Mariko) {
// Board::PcvHijackDvfs(0);
// }
// }
} }
} }
} }