Revert "[video_core, macro, scheduler] Following Lizzie's request of change"

src/video_core/control/scheduler.cpp

@@ -17,12 +17,16 @@ Scheduler::Scheduler(GPU& gpu_) : gpu{gpu_} {}
 Scheduler::~Scheduler() = default;
 
 void Scheduler::Push(s32 channel, CommandList&& entries) {
+    std::shared_ptr<ChannelState> channel_state;
+    {
         std::unique_lock lk(scheduling_guard);
         auto it = channels.find(channel);
         ASSERT(it != channels.end());
-    auto& channel_state = it->second;
+        channel_state = it->second;
         gpu.BindChannel(channel_state->bind_id);
-    lk.unlock();
+    }
+    // Process commands outside the lock to reduce contention.
+    // Multiple channels can prepare their commands in parallel.
     channel_state->dma_pusher->Push(std::move(entries));
     channel_state->dma_pusher->DispatchCalls();
 }

src/video_core/macro/macro.h

@@ -142,8 +142,8 @@ private:
     std::unique_ptr<HLEMacro> hle_macros;
     Engines::Maxwell3D& maxwell3d;
     
-    CacheInfo* last_macro_cache{nullptr};
     u32 last_macro_method{0xFFFFFFFF};
+    CacheInfo* last_macro_cache{nullptr};
 };
 
 std::unique_ptr<MacroEngine> GetMacroEngine(Engines::Maxwell3D& maxwell3d);