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[client/host/idd/obs] scheduler: validate phase feedback

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Bump KVMFR to version 28 and attach generation, epoch, and deadline
identities to cadence deliveries and their timing records.

Accept phase corrections only for the exact completed publication. Keep
VM and client clocks independent by exchanging relative phase errors.

Make submission, completion, and work-estimate accounting best effort
so scheduler state cannot delay GPU submission or frame publication.
This commit is contained in:
Geoffrey McRae
2026-08-06 16:05:05 +10:00
parent 983cf588e3
commit 515f4ba06f
16 changed files with 688 additions and 235 deletions
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9
idd/LGIdd/CIndirectDeviceContext.h
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@@ -282,13 +282,16 @@ public:
bool PublishFrameBuffer(unsigned frameIndex,
const CFrameScheduler::Schedule& schedule);
bool RepublishFrameBuffer(const CFrameScheduler::Schedule& schedule);
bool TryFrameSubmitted(unsigned frameIndex,
const CFrameScheduler::Schedule& schedule);
void CommitFrameBuffer(unsigned frameIndex,
const CFrameScheduler::Schedule& schedule, bool periodic);
void AbortFrameBuffer(unsigned frameIndex);
void FailFrameBuffer(unsigned frameIndex);
void CompleteFrameBuffer(unsigned frameIndex, bool succeeded);
void SetFrameTiming(unsigned frameIndex, uint64_t captureTime,
uint64_t postProcessTime, uint64_t copyTime, uint64_t readyTime);
uint64_t postProcessTime, uint64_t copyTime, uint64_t readyTime,
const CFrameScheduler::Schedule& schedule, uint64_t completedAt);
void WriteFrameBuffer(unsigned frameIndex, void* src, size_t offset, size_t len, bool setWritePos) const;
void FinalizeFrameBuffer(unsigned frameIndex) const;
@@ -296,12 +299,14 @@ public:
void ForceFrame();
bool GetPublishTarget(uint64_t now, uint64_t& target,
CFrameScheduler::Schedule& schedule, bool& periodic, bool& republish);
void FrameMissed(const CFrameScheduler::Schedule& schedule,
uint64_t now, bool periodic);
void FrameSuperseded();
HANDLE GetFrameScheduleEvent() const
{
return m_frameScheduler.GetWakeEvent();
}
void RecordFrameTiming(uint64_t duration);
void TryRecordFrameTiming(uint64_t duration);
void SendCursor(const IDARG_OUT_QUERY_HWCURSOR & info, const BYTE * data,
UINT sdrWhiteLevel);