From ea8bed1c943ab7fbbb749e2578813f399e6b6d59 Mon Sep 17 00:00:00 2001
From: Kravickas <joker46@seznam.cz>
Date: Fri, 1 May 2026 07:03:28 +0200
Subject: [PATCH] Implement sceGnmInsertDingDongMarker (#4340)

---
 src/core/libraries/gnmdriver/gnmdriver.cpp | 9 +++++++--
 src/core/libraries/gnmdriver/gnmdriver.h   | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/core/libraries/gnmdriver/gnmdriver.cpp b/src/core/libraries/gnmdriver/gnmdriver.cpp
index f8886e3ff..5da6db011 100644
--- a/src/core/libraries/gnmdriver/gnmdriver.cpp
+++ b/src/core/libraries/gnmdriver/gnmdriver.cpp
@@ -1045,8 +1045,13 @@ void PS4_SYSV_ABI sceGnmGpuPaDebugLeave() {
     // Not available in retail firmware
 }
 
-int PS4_SYSV_ABI sceGnmInsertDingDongMarker() {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
+s32 PS4_SYSV_ABI sceGnmInsertDingDongMarker(u32* cmdbuf, u32 size) {
+    LOG_TRACE(Lib_GnmDriver, "called");
+
+    if (cmdbuf == nullptr || size != 4) {
+        return -1;
+    }
+    WritePacket<PM4ItOpcode::Nop>(cmdbuf, PM4ShaderType::ShaderGraphics, 0u, 0u, 0u);
     return ORBIS_OK;
 }
 
diff --git a/src/core/libraries/gnmdriver/gnmdriver.h b/src/core/libraries/gnmdriver/gnmdriver.h
index 2208ca05d..b69d14c6f 100644
--- a/src/core/libraries/gnmdriver/gnmdriver.h
+++ b/src/core/libraries/gnmdriver/gnmdriver.h
@@ -110,7 +110,7 @@ int PS4_SYSV_ABI sceGnmGetShaderStatus();
 VAddr PS4_SYSV_ABI sceGnmGetTheTessellationFactorRingBufferBaseAddress();
 void PS4_SYSV_ABI sceGnmGpuPaDebugEnter();
 void PS4_SYSV_ABI sceGnmGpuPaDebugLeave();
-int PS4_SYSV_ABI sceGnmInsertDingDongMarker();
+s32 PS4_SYSV_ABI sceGnmInsertDingDongMarker(u32* cmdbuf, u32 size);
 s32 PS4_SYSV_ABI sceGnmInsertPopMarker(u32* cmdbuf, u32 size);
 s32 PS4_SYSV_ABI sceGnmInsertPushColorMarker(u32* cmdbuf, u32 size, const char* marker, u32 color);
 s32 PS4_SYSV_ABI sceGnmInsertPushMarker(u32* cmdbuf, u32 size, const char* marker);