From 700abd68e3214d7586a1ea89b33dce9c9934bacf Mon Sep 17 00:00:00 2001
From: Jordan Woyak <jordan.woyak@gmail.com>
Date: Sat, 25 Oct 2025 16:47:09 -0500
Subject: [PATCH] VideoCommon/AsyncRequests: Remove now unnecessary `SetEnable`
 function. Requests are now always enabled. Call `SetPassthrough` on
 initialization to not be racy.

---
 Source/Core/Core/Core.cpp                 |  2 ++
 Source/Core/VideoCommon/AsyncRequests.cpp | 17 -----------------
 Source/Core/VideoCommon/AsyncRequests.h   |  2 --
 Source/Core/VideoCommon/Fifo.cpp          |  6 ------
 4 files changed, 2 insertions(+), 25 deletions(-)

diff --git a/Source/Core/Core/Core.cpp b/Source/Core/Core/Core.cpp
index 781656529c5..991f2f09dfe 100644
--- a/Source/Core/Core/Core.cpp
+++ b/Source/Core/Core/Core.cpp
@@ -457,6 +457,8 @@ static void FifoPlayerThread(Core::System& system, const std::optional<std::stri
   const auto init_video = [&] {
     DeclareAsGPUThread();
 
+    AsyncRequests::GetInstance()->SetPassthrough(!system.IsDualCoreMode());
+
     // Must happen on the proper thread for some video backends, e.g. OpenGL.
     return g_video_backend->Initialize(wsi);
   };
diff --git a/Source/Core/VideoCommon/AsyncRequests.cpp b/Source/Core/VideoCommon/AsyncRequests.cpp
index 0469d3ebb98..6671f93293a 100644
--- a/Source/Core/VideoCommon/AsyncRequests.cpp
+++ b/Source/Core/VideoCommon/AsyncRequests.cpp
@@ -42,9 +42,6 @@ void AsyncRequests::QueueEvent(Event&& event)
 {
   m_empty.Clear();
 
-  if (!m_enable)
-    return;
-
   m_queue.push(std::move(event));
 
   auto& system = Core::System::GetInstance();
@@ -57,20 +54,6 @@ void AsyncRequests::WaitForEmptyQueue()
   m_cond.wait(lock, [this] { return m_queue.empty(); });
 }
 
-void AsyncRequests::SetEnable(bool enable)
-{
-  std::unique_lock<std::mutex> lock(m_mutex);
-  m_enable = enable;
-
-  if (!enable)
-  {
-    // flush the queue on disabling
-    while (!m_queue.empty())
-      m_queue.pop();
-    m_cond.notify_one();
-  }
-}
-
 void AsyncRequests::SetPassthrough(bool enable)
 {
   std::unique_lock<std::mutex> lock(m_mutex);
diff --git a/Source/Core/VideoCommon/AsyncRequests.h b/Source/Core/VideoCommon/AsyncRequests.h
index 1c72b55b859..7b8cdd036b1 100644
--- a/Source/Core/VideoCommon/AsyncRequests.h
+++ b/Source/Core/VideoCommon/AsyncRequests.h
@@ -26,7 +26,6 @@ public:
       PullEventsInternal();
   }
   void WaitForEmptyQueue();
-  void SetEnable(bool enable);
   void SetPassthrough(bool enable);
 
   template <typename F>
@@ -74,6 +73,5 @@ private:
   std::mutex m_mutex;
   std::condition_variable m_cond;
 
-  bool m_enable = false;
   bool m_passthrough = true;
 };
diff --git a/Source/Core/VideoCommon/Fifo.cpp b/Source/Core/VideoCommon/Fifo.cpp
index 513b6554087..0e7bb4c3417 100644
--- a/Source/Core/VideoCommon/Fifo.cpp
+++ b/Source/Core/VideoCommon/Fifo.cpp
@@ -287,9 +287,6 @@ void FifoManager::ResetVideoBuffer()
 // Purpose: Keep the Core HW updated about the CPU-GPU distance
 void FifoManager::RunGpuLoop()
 {
-  AsyncRequests::GetInstance()->SetEnable(true);
-  AsyncRequests::GetInstance()->SetPassthrough(false);
-
   m_gpu_mainloop.Run(
       [this] {
         // Run events from the CPU thread.
@@ -391,9 +388,6 @@ void FifoManager::RunGpuLoop()
         }
       },
       100);
-
-  AsyncRequests::GetInstance()->SetEnable(false);
-  AsyncRequests::GetInstance()->SetPassthrough(true);
 }
 
 void FifoManager::FlushGpu()