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NVHost_Ctrl: Force wait if the gpu falls behind too long.

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This commit is contained in:
FernandoS27 2021-10-05 22:57:18 +02:00 committed by Fernando Sahmkow
parent dc385b7392
commit 7dca0bc11d
2 changed files with 13 additions and 0 deletions
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11
src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
View file

@ -92,6 +92,7 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
if (syncpoint_manager.IsSyncpointExpired(params.syncpt_id, params.threshold)) {
params.value = syncpoint_manager.GetSyncpointMin(params.syncpt_id);
std::memcpy(output.data(), &params, sizeof(params));
events_interface.failed[event_id] = false;
return NvResult::Success;
}
@ -99,6 +100,7 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
syncpoint_manager.IsSyncpointExpired(params.syncpt_id, params.threshold)) {
params.value = new_value;
std::memcpy(output.data(), &params, sizeof(params));
events_interface.failed[event_id] = false;
return NvResult::Success;
}
@ -117,6 +119,7 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
event.event->GetWritableEvent().Signal();
params.value = current_syncpoint_value;
std::memcpy(output.data(), &params, sizeof(params));
events_interface.failed[event_id] = false;
return NvResult::Success;
}
const u32 target_value = current_syncpoint_value - diff;
@ -146,6 +149,13 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
}
params.value |= event_id;
event.event->GetWritableEvent().Clear();
if (events_interface.failed[event_id]) {
lock.unlock();
gpu.WaitFence(params.syncpt_id, target_value);
std::memcpy(output.data(), &params, sizeof(params));
events_interface.failed[event_id] = false;
return NvResult::Success;
}
gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value);
std::memcpy(output.data(), &params, sizeof(params));
return NvResult::Timeout;
@ -201,6 +211,7 @@ NvResult nvhost_ctrl::IocCtrlClearEventWait(const std::vector<u8>& input, std::v
if (events_interface.status[event_id] == EventState::Waiting) {
events_interface.LiberateEvent(event_id);
}
events_interface.failed[event_id] = true;
syncpoint_manager.RefreshSyncpoint(events_interface.events[event_id].fence.id);

2
src/core/hle/service/nvdrv/nvdrv.h
View file

@ -49,6 +49,8 @@ struct EventInterface {
std::array<EventState, MaxNvEvents> status{};
// Tells if an NVEvent is registered or not
std::array<bool, MaxNvEvents> registered{};
// Tells the NVEvent that it has failed.
std::array<bool, MaxNvEvents> failed{};
// When an NVEvent is waiting on GPU interrupt, this is the sync_point
// associated with it.
std::array<u32, MaxNvEvents> assigned_syncpt{};