From e625e4251a9a87f39034fc4948544ebcfcf5f586 Mon Sep 17 00:00:00 2001
From: Lightos1 <124387232+Lightos1@users.noreply.github.com>
Date: Sat, 21 Mar 2026 18:02:05 +0100
Subject: [PATCH] add sched off code to rewrite

---
 .../sysmodule/src/board/board_load.cpp        | 44 +++++++++++++++++++
 .../sysmodule/src/board/board_load.hpp        |  1 +
 2 files changed, 45 insertions(+)

diff --git a/Source/rewrite-hoc-clk/sysmodule/src/board/board_load.cpp b/Source/rewrite-hoc-clk/sysmodule/src/board/board_load.cpp
index 73e7cc5f..1c495c04 100644
--- a/Source/rewrite-hoc-clk/sysmodule/src/board/board_load.cpp
+++ b/Source/rewrite-hoc-clk/sysmodule/src/board/board_load.cpp
@@ -31,6 +31,7 @@
 #include <math.h>
 #include <numeric>
 #include "board_misc.hpp"
+#include <minIni.h>
 
 namespace board {
 
@@ -130,4 +131,47 @@ namespace board {
         threadClose(&cpuCore2Thread);
     }
 
+    namespace {
+        constexpr u32 NVschedCtrlEnable  = 0x00000601;
+        constexpr u32 NVschedCtrlDisable = 0x00000602;
+    }
+
+    void SetGpuSchedulingMode(GpuSchedulingMode mode, GpuSchedulingOverrideMethod method, Result nvCheckSched, u32 fd2) {
+        if (R_FAILED(nvCheckSched) && method == GpuSchedulingOverrideMethod_NvService) {
+            return;
+        }
+
+        u32 temp;
+        bool enabled = false;
+        switch (mode) {
+            case GpuSchedulingMode_DoNotOverride: break;
+            case GpuSchedulingMode_Disabled:
+                if (method == GpuSchedulingOverrideMethod_NvService) {
+                    nvIoctl(fd2, NVschedCtrlDisable, &temp);
+                } else {
+                    enabled = false;
+                }
+                break;
+            case GpuSchedulingMode_Enabled:
+                if (method == GpuSchedulingOverrideMethod_NvService) {
+                    nvIoctl(fd2, NVschedCtrlEnable, &temp);
+                } else {
+                    enabled = true;
+                }
+                break;
+            default:
+                ASSERT_ENUM_VALID(GpuSchedulingMode, mode);
+        }
+
+        if (method == GpuSchedulingOverrideMethod_Ini) {
+            constexpr const char *IniPath = "sdmc:/atmosphere/config/system_settings.ini";
+            constexpr const char *Section = "am.gpu";
+            constexpr const char *Key = "gpu_scheduling_enabled";
+
+            const char *value = enabled ? "u8!0x1" : "u8!0x0";
+
+            ini_puts(Section, Key, value, IniPath);
+        }
+    }
+
 }
diff --git a/Source/rewrite-hoc-clk/sysmodule/src/board/board_load.hpp b/Source/rewrite-hoc-clk/sysmodule/src/board/board_load.hpp
index a46fa7b7..6f830738 100644
--- a/Source/rewrite-hoc-clk/sysmodule/src/board/board_load.hpp
+++ b/Source/rewrite-hoc-clk/sysmodule/src/board/board_load.hpp
@@ -32,5 +32,6 @@ namespace board {
     void StartLoad(Result nvCheck, u32 fd);
     void ExitLoad();
     u32 GetPartLoad();
+    void SetGpuSchedulingMode(GpuSchedulingMode mode, GpuSchedulingOverrideMethod method, Result nvCheckSched, u32 fd2);
 
 }