diff --git a/src/dev/amdgpu/amdgpu_device.cc b/src/dev/amdgpu/amdgpu_device.cc
index 132a81a461..0f48e61187 100644
--- a/src/dev/amdgpu/amdgpu_device.cc
+++ b/src/dev/amdgpu/amdgpu_device.cc
@@ -379,7 +379,7 @@ AMDGPUDevice::write(PacketPtr pkt)
     switch (barnum) {
       case FRAMEBUFFER_BAR:
           gpuMemMgr->writeRequest(offset, pkt->getPtr<uint8_t>(),
-                                  pkt->getSize());
+                                  pkt->getSize(), 0, nullptr);
           writeFrame(pkt, offset);
           break;
       case DOORBELL_BAR:
diff --git a/src/dev/amdgpu/memory_manager.hh b/src/dev/amdgpu/memory_manager.hh
index 0749504b45..e18ec643a6 100644
--- a/src/dev/amdgpu/memory_manager.hh
+++ b/src/dev/amdgpu/memory_manager.hh
@@ -102,7 +102,7 @@ class AMDGPUMemoryManager : public ClockedObject
      * @param callback Event callback to call after all bytes are written.
      */
     void writeRequest(Addr addr, uint8_t *data, int size,
-                      Request::Flags flag = 0, Event *callback = nullptr);
+                      Request::Flags flag, Event *callback);
 
     /**
      * Read size amount of data from device memory at addr using flags and
@@ -115,7 +115,7 @@ class AMDGPUMemoryManager : public ClockedObject
      * @param callback Event callback to call after all bytes are read.
      */
     void readRequest(Addr addr, uint8_t *data, int size,
-                     Request::Flags flag = 0, Event *callback = nullptr);
+                     Request::Flags flag, Event *callback);
 
     /**
      * Get the requestorID for the memory manager. This ID is used for all