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sm6375-common: power-libperfmgr: PowerHintSession: do not update PID controller when target changes

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There is no history kept in powerhint session, so let us just keep what
we have in the PID controller and let new samples settle.

Bug: 227003278
Test: Build
Change-Id: Ia8b9a0be288389ec36ac35c668aca013d470c257
This commit is contained in:
Wei Wang 2024-07-18 20:16:00 +05:30 committed by Anand S
parent e943cbd1a8
commit 40a340e68d
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GPG key ID: 3B2983FA448B3D61
1 changed files with 0 additions and 4 deletions
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power-libperfmgr/PowerHintSession.cpp
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@ -269,10 +269,6 @@ ndk::ScopedAStatus PowerHintSession::updateTargetWorkDuration(int64_t targetDura
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
} }
ALOGV("update target duration: %" PRId64 " ns", targetDurationNanos); ALOGV("update target duration: %" PRId64 " ns", targetDurationNanos);
double ratio =
targetDurationNanos == 0 ? 1.0 : mDescriptor->duration.count() / targetDurationNanos;
mDescriptor->integral_error =
std::max(sPidIInit, static_cast<int64_t>(mDescriptor->integral_error * ratio));
mDescriptor->duration = std::chrono::nanoseconds(targetDurationNanos); mDescriptor->duration = std::chrono::nanoseconds(targetDurationNanos);
if (ATRACE_ENABLED()) { if (ATRACE_ENABLED()) {