4 files changed, 20 insertions, 34 deletions

diff --git a/src/core/hle/service/nvflinger/buffer_queue.cpp b/src/core/hle/service/nvflinger/buffer_queue.cpp
index b4c3a6099..59ddf6298 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.cpp
+++ b/src/core/hle/service/nvflinger/buffer_queue.cpp
@@ -9,20 +9,17 @@
 #include "core/core.h"
 #include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/kernel/kernel.h"
-#include "core/hle/service/kernel_helpers.h"
 #include "core/hle/service/nvflinger/buffer_queue.h"
 
 namespace Service::NVFlinger {
 
-BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_,
-                         KernelHelpers::ServiceContext& service_context_)
-    : id(id_), layer_id(layer_id_), service_context{service_context_} {
-    buffer_wait_event = service_context.CreateEvent("BufferQueue:WaitEvent");
+BufferQueue::BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_)
+    : id(id_), layer_id(layer_id_), buffer_wait_event{kernel} {
+    Kernel::KAutoObject::Create(std::addressof(buffer_wait_event));
+    buffer_wait_event.Initialize("BufferQueue:WaitEvent");
 }
 
-BufferQueue::~BufferQueue() {
-    service_context.CloseEvent(buffer_wait_event);
-}
+BufferQueue::~BufferQueue() = default;
 
 void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer) {
     ASSERT(slot < buffer_slots);
@@ -44,7 +41,7 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer)
         .multi_fence = {},
     };
 
-    buffer_wait_event->GetWritableEvent().Signal();
+    buffer_wait_event.GetWritableEvent().Signal();
 }
 
 std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::DequeueBuffer(u32 width,
@@ -122,7 +119,7 @@ void BufferQueue::CancelBuffer(u32 slot, const Service::Nvidia::MultiFence& mult
     }
     free_buffers_condition.notify_one();
 
-    buffer_wait_event->GetWritableEvent().Signal();
+    buffer_wait_event.GetWritableEvent().Signal();
 }
 
 std::optional<std::reference_wrapper<const BufferQueue::Buffer>> BufferQueue::AcquireBuffer() {
@@ -157,7 +154,7 @@ void BufferQueue::ReleaseBuffer(u32 slot) {
     }
     free_buffers_condition.notify_one();
 
-    buffer_wait_event->GetWritableEvent().Signal();
+    buffer_wait_event.GetWritableEvent().Signal();
 }
 
 void BufferQueue::Connect() {
@@ -172,7 +169,7 @@ void BufferQueue::Disconnect() {
         std::unique_lock lock{queue_sequence_mutex};
         queue_sequence.clear();
     }
-    buffer_wait_event->GetWritableEvent().Signal();
+    buffer_wait_event.GetWritableEvent().Signal();
     is_connect = false;
     free_buffers_condition.notify_one();
 }
@@ -192,11 +189,11 @@ u32 BufferQueue::Query(QueryType type) {
 }
 
 Kernel::KWritableEvent& BufferQueue::GetWritableBufferWaitEvent() {
-    return buffer_wait_event->GetWritableEvent();
+    return buffer_wait_event.GetWritableEvent();
 }
 
 Kernel::KReadableEvent& BufferQueue::GetBufferWaitEvent() {
-    return buffer_wait_event->GetReadableEvent();
+    return buffer_wait_event.GetReadableEvent();
 }
 
 } // namespace Service::NVFlinger
diff --git a/src/core/hle/service/nvflinger/buffer_queue.h b/src/core/hle/service/nvflinger/buffer_queue.h
index 759247eb0..61e337ac5 100644
--- a/src/core/hle/service/nvflinger/buffer_queue.h
+++ b/src/core/hle/service/nvflinger/buffer_queue.h
@@ -24,10 +24,6 @@ class KReadableEvent;
 class KWritableEvent;
 } // namespace Kernel
 
-namespace Service::KernelHelpers {
-class ServiceContext;
-} // namespace Service::KernelHelpers
-
 namespace Service::NVFlinger {
 
 constexpr u32 buffer_slots = 0x40;
@@ -58,8 +54,7 @@ public:
         NativeWindowFormat = 2,
     };
 
-    explicit BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_,
-                         KernelHelpers::ServiceContext& service_context_);
+    explicit BufferQueue(Kernel::KernelCore& kernel, u32 id_, u64 layer_id_);
     ~BufferQueue();
 
     enum class BufferTransformFlags : u32 {
@@ -135,14 +130,12 @@ private:
     std::list<u32> free_buffers;
     std::array<Buffer, buffer_slots> buffers;
     std::list<u32> queue_sequence;
-    Kernel::KEvent* buffer_wait_event{};
+    Kernel::KEvent buffer_wait_event;
 
     std::mutex free_buffers_mutex;
     std::condition_variable free_buffers_condition;
 
     std::mutex queue_sequence_mutex;
-
-    KernelHelpers::ServiceContext& service_context;
 };
 
 } // namespace Service::NVFlinger
diff --git a/src/core/hle/service/nvflinger/nvflinger.cpp b/src/core/hle/service/nvflinger/nvflinger.cpp
index 00bff8caf..941748970 100644
--- a/src/core/hle/service/nvflinger/nvflinger.cpp
+++ b/src/core/hle/service/nvflinger/nvflinger.cpp
@@ -61,13 +61,12 @@ void NVFlinger::SplitVSync() {
     }
 }
 
-NVFlinger::NVFlinger(Core::System& system_)
-    : system(system_), service_context(system_, "nvflinger") {
-    displays.emplace_back(0, "Default", service_context, system);
-    displays.emplace_back(1, "External", service_context, system);
-    displays.emplace_back(2, "Edid", service_context, system);
-    displays.emplace_back(3, "Internal", service_context, system);
-    displays.emplace_back(4, "Null", service_context, system);
+NVFlinger::NVFlinger(Core::System& system_) : system(system_) {
+    displays.emplace_back(0, "Default", system);
+    displays.emplace_back(1, "External", system);
+    displays.emplace_back(2, "Edid", system);
+    displays.emplace_back(3, "Internal", system);
+    displays.emplace_back(4, "Null", system);
     guard = std::make_shared<std::mutex>();
 
     // Schedule the screen composition events
@@ -147,7 +146,7 @@ std::optional<u64> NVFlinger::CreateLayer(u64 display_id) {
 void NVFlinger::CreateLayerAtId(VI::Display& display, u64 layer_id) {
     const u32 buffer_queue_id = next_buffer_queue_id++;
     buffer_queues.emplace_back(
-        std::make_unique<BufferQueue>(system.Kernel(), buffer_queue_id, layer_id, service_context));
+        std::make_unique<BufferQueue>(system.Kernel(), buffer_queue_id, layer_id));
     display.CreateLayer(layer_id, *buffer_queues.back());
 }
 
diff --git a/src/core/hle/service/nvflinger/nvflinger.h b/src/core/hle/service/nvflinger/nvflinger.h
index 6d84cafb4..d80fd07ef 100644
--- a/src/core/hle/service/nvflinger/nvflinger.h
+++ b/src/core/hle/service/nvflinger/nvflinger.h
@@ -15,7 +15,6 @@
 #include <vector>
 
 #include "common/common_types.h"
-#include "core/hle/service/kernel_helpers.h"
 
 namespace Common {
 class Event;
@@ -136,8 +135,6 @@ private:
     std::unique_ptr<std::thread> vsync_thread;
     std::unique_ptr<Common::Event> wait_event;
     std::atomic<bool> is_running{};
-
-    KernelHelpers::ServiceContext service_context;
 };
 
 } // namespace Service::NVFlinger