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Nv_Host_Ctrl: Correct difference calculation

This commit is contained in:
Fernando Sahmkow 2019-07-04 09:55:50 -04:00 committed by FernandoS27
parent f3a39e0c9c
commit 8c91d5c166
1 changed files with 7 additions and 5 deletions
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12
src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
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@ -68,12 +68,14 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
return NvResult::Success; return NvResult::Success;
} }
auto lock = gpu.LockSync(); auto lock = gpu.LockSync();
u32 current_syncpoint_value = gpu.GetSyncpointValue(params.syncpt_id); const u32 current_syncpoint_value = gpu.GetSyncpointValue(params.syncpt_id);
if (current_syncpoint_value >= params.threshold) { const s32 diff = current_syncpoint_value - params.threshold;
if (diff >= 0) {
params.value = current_syncpoint_value; params.value = current_syncpoint_value;
std::memcpy(output.data(), &params, sizeof(params)); std::memcpy(output.data(), &params, sizeof(params));
return NvResult::Success; return NvResult::Success;
} }
const u32 target_value = current_syncpoint_value - diff;
if (!is_async) { if (!is_async) {
params.value = 0; params.value = 0;
@ -109,7 +111,7 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
if (event_id < MaxNvEvents || status == EventState::Free || status == EventState::Registered) { if (event_id < MaxNvEvents || status == EventState::Free || status == EventState::Registered) {
events_interface.SetEventStatus(event_id, EventState::Waiting); events_interface.SetEventStatus(event_id, EventState::Waiting);
events_interface.assigned_syncpt[event_id] = params.syncpt_id; events_interface.assigned_syncpt[event_id] = params.syncpt_id;
events_interface.assigned_value[event_id] = params.threshold; events_interface.assigned_value[event_id] = target_value;
if (is_async) { if (is_async) {
params.value = params.syncpt_id << 4; params.value = params.syncpt_id << 4;
} else { } else {
@ -117,7 +119,7 @@ u32 nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>&
} }
params.value |= event_id; params.value |= event_id;
events_interface.events[event_id].writable->Clear(); events_interface.events[event_id].writable->Clear();
gpu.RegisterSyncptInterrupt(params.syncpt_id, params.threshold); gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value);
if (!is_async && ctrl.fresh_call) { if (!is_async && ctrl.fresh_call) {
ctrl.must_delay = true; ctrl.must_delay = true;
ctrl.timeout = params.timeout; ctrl.timeout = params.timeout;
@ -167,7 +169,7 @@ u32 nvhost_ctrl::IocCtrlEventSignal(const std::vector<u8>& input, std::vector<u8
// TODO(Blinkhawk): This is normally called when an NvEvents timeout on WaitSynchronization // TODO(Blinkhawk): This is normally called when an NvEvents timeout on WaitSynchronization
// It is believed from RE to cancel the GPU Event. However, better research is required // It is believed from RE to cancel the GPU Event. However, better research is required
u32 event_id = params.user_event_id & 0x00FF; u32 event_id = params.user_event_id & 0x00FF;
LOG_DEBUG(Service_NVDRV, " called, user_event_id: {:X}", event_id); LOG_WARNING(Service_NVDRV, "(STUBBED) called, user_event_id: {:X}", event_id);
if (event_id >= MaxNvEvents) { if (event_id >= MaxNvEvents) {
return NvResult::BadParameter; return NvResult::BadParameter;
} }