diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp index fea3b7b9f5..73cd5a8893 100644 --- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp +++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp @@ -155,7 +155,14 @@ NvResult nvhost_ctrl::IocCtrlEventRegister(const std::vector& input, std::ve return NvResult::BadParameter; } if (events_interface.registered[event_id]) { - return NvResult::BadParameter; + const auto event_state = events_interface.status[event_id]; + if (event_state == EventState::Registered || event_state == EventState::Waiting || + event_state == EventState::Busy) { + LOG_WARNING(Service_NVDRV, "Event already registered! Unregistering previous event"); + events_interface.UnregisterEvent(event_id); + } else { + return NvResult::BadParameter; + } } events_interface.RegisterEvent(event_id); return NvResult::Success;