4 files changed, 34 insertions, 19 deletions

diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
index 6f4007294..775e76330 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
@@ -102,20 +102,20 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
         return NvResult::Success;
     }
 
-    auto event = events_interface.events[event_id];
+    auto& event = events_interface.events[event_id];
     auto& gpu = system.GPU();
 
     // This is mostly to take into account unimplemented features. As synced
     // gpu is always synced.
     if (!gpu.IsAsync()) {
-        event.event->GetWritableEvent()->Signal();
+        event.event->GetWritableEvent().Signal();
         return NvResult::Success;
     }
     auto lock = gpu.LockSync();
     const u32 current_syncpoint_value = event.fence.value;
     const s32 diff = current_syncpoint_value - params.threshold;
     if (diff >= 0) {
-        event.event->GetWritableEvent()->Signal();
+        event.event->GetWritableEvent().Signal();
         params.value = current_syncpoint_value;
         std::memcpy(output.data(), &params, sizeof(params));
         return NvResult::Success;
@@ -142,7 +142,7 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
             params.value = ((params.syncpt_id & 0xfff) << 16) | 0x10000000;
         }
         params.value |= event_id;
-        event.event->GetWritableEvent()->Clear();
+        event.event->GetWritableEvent().Clear();
         gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value);
         std::memcpy(output.data(), &params, sizeof(params));
         return NvResult::Timeout;
diff --git a/src/core/hle/service/nvdrv/interface.cpp b/src/core/hle/service/nvdrv/interface.cpp
index 2e1150867..dc9b9341f 100644
--- a/src/core/hle/service/nvdrv/interface.cpp
+++ b/src/core/hle/service/nvdrv/interface.cpp
@@ -22,19 +22,30 @@ void NVDRV::SignalGPUInterruptSyncpt(const u32 syncpoint_id, const u32 value) {
 
 void NVDRV::Open(Kernel::HLERequestContext& ctx) {
     LOG_DEBUG(Service_NVDRV, "called");
+    IPC::ResponseBuilder rb{ctx, 4};
+    rb.Push(RESULT_SUCCESS);
 
     if (!is_initialized) {
-        ServiceError(ctx, NvResult::NotInitialized);
+        rb.Push<DeviceFD>(0);
+        rb.PushEnum(NvResult::NotInitialized);
+
         LOG_ERROR(Service_NVDRV, "NvServices is not initalized!");
         return;
     }
 
     const auto& buffer = ctx.ReadBuffer();
     const std::string device_name(buffer.begin(), buffer.end());
+
+    if (device_name == "/dev/nvhost-prof-gpu") {
+        rb.Push<DeviceFD>(0);
+        rb.PushEnum(NvResult::NotSupported);
+
+        LOG_WARNING(Service_NVDRV, "/dev/nvhost-prof-gpu cannot be opened in production");
+        return;
+    }
+
     DeviceFD fd = nvdrv->Open(device_name);
 
-    IPC::ResponseBuilder rb{ctx, 4};
-    rb.Push(RESULT_SUCCESS);
     rb.Push<DeviceFD>(fd);
     rb.PushEnum(fd != INVALID_NVDRV_FD ? NvResult::Success : NvResult::FileOperationFailed);
 }
@@ -176,8 +187,8 @@ void NVDRV::QueryEvent(Kernel::HLERequestContext& ctx) {
     if (event_id < MaxNvEvents) {
         IPC::ResponseBuilder rb{ctx, 3, 1};
         rb.Push(RESULT_SUCCESS);
-        auto event = nvdrv->GetEvent(event_id);
-        event->Clear();
+        auto& event = nvdrv->GetEvent(event_id);
+        event.Clear();
         rb.PushCopyObjects(event);
         rb.PushEnum(NvResult::Success);
     } else {
diff --git a/src/core/hle/service/nvdrv/nvdrv.cpp b/src/core/hle/service/nvdrv/nvdrv.cpp
index ede77858a..74796dce1 100644
--- a/src/core/hle/service/nvdrv/nvdrv.cpp
+++ b/src/core/hle/service/nvdrv/nvdrv.cpp
@@ -42,9 +42,8 @@ void InstallInterfaces(SM::ServiceManager& service_manager, NVFlinger::NVFlinger
 Module::Module(Core::System& system) : syncpoint_manager{system.GPU()} {
     auto& kernel = system.Kernel();
     for (u32 i = 0; i < MaxNvEvents; i++) {
-        std::string event_label = fmt::format("NVDRV::NvEvent_{}", i);
-        events_interface.events[i] = {Kernel::KEvent::Create(kernel, std::move(event_label))};
-        events_interface.events[i].event->Initialize();
+        events_interface.events[i].event = Kernel::KEvent::Create(kernel);
+        events_interface.events[i].event->Initialize(fmt::format("NVDRV::NvEvent_{}", i));
         events_interface.status[i] = EventState::Free;
         events_interface.registered[i] = false;
     }
@@ -64,7 +63,12 @@ Module::Module(Core::System& system) : syncpoint_manager{system.GPU()} {
         std::make_shared<Devices::nvhost_vic>(system, nvmap_dev, syncpoint_manager);
 }
 
-Module::~Module() = default;
+Module::~Module() {
+    for (u32 i = 0; i < MaxNvEvents; i++) {
+        events_interface.events[i].event->Close();
+        events_interface.events[i].event = nullptr;
+    }
+}
 
 NvResult Module::VerifyFD(DeviceFD fd) const {
     if (fd < 0) {
@@ -172,16 +176,16 @@ void Module::SignalSyncpt(const u32 syncpoint_id, const u32 value) {
         if (events_interface.assigned_syncpt[i] == syncpoint_id &&
             events_interface.assigned_value[i] == value) {
             events_interface.LiberateEvent(i);
-            events_interface.events[i].event->GetWritableEvent()->Signal();
+            events_interface.events[i].event->GetWritableEvent().Signal();
         }
     }
 }
 
-std::shared_ptr<Kernel::KReadableEvent> Module::GetEvent(const u32 event_id) const {
+Kernel::KReadableEvent& Module::GetEvent(const u32 event_id) {
     return events_interface.events[event_id].event->GetReadableEvent();
 }
 
-std::shared_ptr<Kernel::KWritableEvent> Module::GetEventWriteable(const u32 event_id) const {
+Kernel::KWritableEvent& Module::GetEventWriteable(const u32 event_id) {
     return events_interface.events[event_id].event->GetWritableEvent();
 }
 
diff --git a/src/core/hle/service/nvdrv/nvdrv.h b/src/core/hle/service/nvdrv/nvdrv.h
index 53719aadd..a43ceb7ae 100644
--- a/src/core/hle/service/nvdrv/nvdrv.h
+++ b/src/core/hle/service/nvdrv/nvdrv.h
@@ -35,7 +35,7 @@ class nvdevice;
 
 /// Represents an Nvidia event
 struct NvEvent {
-    std::shared_ptr<Kernel::KEvent> event;
+    Kernel::KEvent* event{};
     Fence fence{};
 };
 
@@ -136,9 +136,9 @@ public:
 
     void SignalSyncpt(const u32 syncpoint_id, const u32 value);
 
-    std::shared_ptr<Kernel::KReadableEvent> GetEvent(u32 event_id) const;
+    Kernel::KReadableEvent& GetEvent(u32 event_id);
 
-    std::shared_ptr<Kernel::KWritableEvent> GetEventWriteable(u32 event_id) const;
+    Kernel::KWritableEvent& GetEventWriteable(u32 event_id);
 
 private:
     /// Manages syncpoints on the host