diff --git a/src/core/libraries/error_codes.h b/src/core/libraries/error_codes.h
index e4aac622..321a9fba 100644
--- a/src/core/libraries/error_codes.h
+++ b/src/core/libraries/error_codes.h
@@ -252,6 +252,7 @@ constexpr int ORBIS_GNM_ERROR_COMPUTEQUEUE_INVALID_QUEUE_ID = 0x80D17001;
 constexpr int ORBIS_GNM_ERROR_COMPUTEQUEUE_INVALID_RING_BASE_ADDR = 0x80D17003;
 constexpr int ORBIS_GNM_ERROR_COMPUTEQUEUE_INVALID_RING_SIZE = 0x80D17002;
 constexpr int ORBIS_GNM_ERROR_COMPUTEQUEUE_INVALID_READ_PTR_ADDR = 0x80D17004;
+constexpr int ORBIS_GNM_ERROR_FAILURE = 0x8EEE00FF;
 
 // Generic
 constexpr int ORBIS_OK = 0x00000000;
diff --git a/src/core/libraries/gnmdriver/gnmdriver.cpp b/src/core/libraries/gnmdriver/gnmdriver.cpp
index 05ae882f..9f21a407 100644
--- a/src/core/libraries/gnmdriver/gnmdriver.cpp
+++ b/src/core/libraries/gnmdriver/gnmdriver.cpp
@@ -814,14 +814,16 @@ int PS4_SYSV_ABI sceGnmRegisterGnmLiveCallbackConfig() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceGnmRegisterOwner() {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
-    return ORBIS_OK;
+s32 PS4_SYSV_ABI sceGnmRegisterOwner(void* handle, const char* name) {
+    LOG_TRACE(Lib_GnmDriver, "called");
+    return ORBIS_GNM_ERROR_FAILURE; // PA Debug is always disabled in retail FW
 }
 
-int PS4_SYSV_ABI sceGnmRegisterResource() {
-    LOG_ERROR(Lib_GnmDriver, "(STUBBED) called");
-    return ORBIS_OK;
+s32 PS4_SYSV_ABI sceGnmRegisterResource(void* res_handle, void* owner_handle, const void* addr,
+                                        size_t size, const char* name, int res_type,
+                                        u64 user_data) {
+    LOG_TRACE(Lib_GnmDriver, "called");
+    return ORBIS_GNM_ERROR_FAILURE; // PA Debug is always disabled in retail FW
 }
 
 int PS4_SYSV_ABI sceGnmRequestFlipAndSubmitDone() {
diff --git a/src/core/libraries/gnmdriver/gnmdriver.h b/src/core/libraries/gnmdriver/gnmdriver.h
index ce8944f5..2ab2ef16 100644
--- a/src/core/libraries/gnmdriver/gnmdriver.h
+++ b/src/core/libraries/gnmdriver/gnmdriver.h
@@ -125,8 +125,9 @@ int PS4_SYSV_ABI sceGnmQueryResourceRegistrationUserMemoryRequirements();
 int PS4_SYSV_ABI sceGnmRaiseUserExceptionEvent();
 int PS4_SYSV_ABI sceGnmRegisterGdsResource();
 int PS4_SYSV_ABI sceGnmRegisterGnmLiveCallbackConfig();
-int PS4_SYSV_ABI sceGnmRegisterOwner();
-int PS4_SYSV_ABI sceGnmRegisterResource();
+s32 PS4_SYSV_ABI sceGnmRegisterOwner(void* handle, const char* name);
+s32 PS4_SYSV_ABI sceGnmRegisterResource(void* res_handle, void* owner_handle, const void* addr,
+                                        size_t size, const char* name, int res_type, u64 user_data);
 int PS4_SYSV_ABI sceGnmRequestFlipAndSubmitDone();
 int PS4_SYSV_ABI sceGnmRequestFlipAndSubmitDoneForWorkload();
 int PS4_SYSV_ABI sceGnmRequestMipStatsReportAndReset();