[video_core, hle] remove redundant parent references in system structs (#3908)

reworked a bit to remove references of parent objects and instead pass as arguments to methods to prevent useless reloads

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Co-authored-by: maufeat <sahyno1996@gmail.com>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3908
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>

src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp

@@ -138,8 +138,7 @@ NvResult nvhost_as_gpu::AllocAsEx(IoctlAllocAsEx& params) {
         static_cast<u32>((vm.va_range_end - vm.va_range_split) >> vm.big_page_size_bits)};
     vm.big_page_allocator.emplace(start_big_pages, end_big_pages);
 
-    gmmu = std::make_shared<Tegra::MemoryManager>(system, max_big_page_bits, vm.va_range_split,
-                                                  vm.big_page_size_bits, VM::PAGE_SIZE_BITS);
+    gmmu = std::make_unique<Tegra::MemoryManager>(system, max_big_page_bits, vm.va_range_split, vm.big_page_size_bits, VM::PAGE_SIZE_BITS);
     system.GPU().InitAddressSpace(*gmmu);
     vm.initialised = true;
 
@@ -416,7 +415,7 @@ NvResult nvhost_as_gpu::BindChannel(IoctlBindChannel& params) {
     LOG_DEBUG(Service_NVDRV, "called, fd={:X}", params.fd);
 
     auto gpu_channel_device = module.GetDevice<nvhost_gpu>(params.fd);
-    gpu_channel_device->channel_state->memory_manager = gmmu;
+    gpu_channel_device->channel_state->memory_manager = gmmu.get();
     return NvResult::Success;
 }
 

src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h

@@ -219,7 +219,7 @@ private:
 
         bool initialised{};
     } vm;
-    std::shared_ptr<Tegra::MemoryManager> gmmu;
+    std::unique_ptr<Tegra::MemoryManager> gmmu;
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp

@@ -203,7 +203,7 @@ NvResult nvhost_ctrl::IocCtrlEventWait(IocCtrlEventWaitParams& params, bool is_a
             auto& event_ = events[slot];
             if (event_.status.exchange(EventState::Signalling, std::memory_order_acq_rel) ==
                 EventState::Waiting) {
-                event_.kevent->Signal();
+                event_.kevent->Signal(system.Kernel());
             }
             event_.status.store(EventState::Signalled, std::memory_order_release);
         });
@@ -292,7 +292,7 @@ NvResult nvhost_ctrl::IocCtrlClearEventWait(IocCtrlEventClearParams& params) {
     }
     event.fails++;
     event.status.store(EventState::Cancelled, std::memory_order_release);
-    event.kevent->Clear();
+    event.kevent->Clear(system.Kernel());
 
     return NvResult::Success;
 }