nvhost_ctrl: Refactor usage of gpu.LockSync()

This seems to only be used to protect a later gpu function call. So we can move the lock into that call instead.

src/video_core/gpu.cpp

@@ -262,6 +262,7 @@ struct GPU::Impl {
     }
 
     void RegisterSyncptInterrupt(u32 syncpoint_id, u32 value) {
+        std::lock_guard lock{sync_mutex};
         auto& interrupt = syncpt_interrupts.at(syncpoint_id);
         bool contains = std::any_of(interrupt.begin(), interrupt.end(),
                                     [value](u32 in_value) { return in_value == value; });
@@ -300,10 +301,6 @@ struct GPU::Impl {
         return nanoseconds_num * gpu_ticks_num + (nanoseconds_rem * gpu_ticks_num) / gpu_ticks_den;
     }
 
-    [[nodiscard]] std::unique_lock<std::mutex> LockSync() {
-        return std::unique_lock{sync_mutex};
-    }
-
     [[nodiscard]] bool IsAsync() const {
         return is_async;
     }
@@ -862,10 +859,6 @@ u64 GPU::GetTicks() const {
     return impl->GetTicks();
 }
 
-std::unique_lock<std::mutex> GPU::LockSync() {
-    return impl->LockSync();
-}
-
 bool GPU::IsAsync() const {
     return impl->IsAsync();
 }

src/video_core/gpu.h

@@ -5,22 +5,12 @@
 #pragma once
 
 #include <memory>
-#include <mutex>
 
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "video_core/cdma_pusher.h"
 #include "video_core/framebuffer_config.h"
 
-using CacheAddr = std::uintptr_t;
-[[nodiscard]] inline CacheAddr ToCacheAddr(const void* host_ptr) {
-    return reinterpret_cast<CacheAddr>(host_ptr);
-}
-
-[[nodiscard]] inline u8* FromCacheAddr(CacheAddr cache_addr) {
-    return reinterpret_cast<u8*>(cache_addr);
-}
-
 namespace Core {
 namespace Frontend {
 class EmuWindow;
@@ -230,8 +220,6 @@ public:
 
     [[nodiscard]] u64 GetTicks() const;
 
-    [[nodiscard]] std::unique_lock<std::mutex> LockSync();
-
     [[nodiscard]] bool IsAsync() const;
 
     [[nodiscard]] bool UseNvdec() const;