diff --git a/src/dev/hsa/hsa_packet.hh b/src/dev/hsa/hsa_packet.hh
index 8c7d694431..8eab8385a6 100644
--- a/src/dev/hsa/hsa_packet.hh
+++ b/src/dev/hsa/hsa_packet.hh
@@ -100,6 +100,14 @@ struct _hsa_barrier_or_packet_t
     uint64_t completion_signal;
 };
 
+struct _hsa_generic_vendor_pkt
+{
+    uint32_t padding[14];
+    Addr completion_signal;
+};
+// All HSA AQL packets are 64 bytes. Confirm that here.
+static_assert(sizeof(_hsa_generic_vendor_pkt) == 64);
+
 } // namespace gem5
 
 #endif // __DEV_HSA_HSA_PACKET_HH__
diff --git a/src/gpu-compute/gpu_command_processor.cc b/src/gpu-compute/gpu_command_processor.cc
index ecc5f1d98b..5bed04b9dd 100644
--- a/src/gpu-compute/gpu_command_processor.cc
+++ b/src/gpu-compute/gpu_command_processor.cc
@@ -473,18 +473,27 @@ GPUCommandProcessor::driver()
  */
 
 /**
- * TODO: For now we simply tell the HSAPP to finish the packet,
- *       however a future patch will update this method to provide
- *       the proper handling of any required vendor-specific packets.
- *       In the version of ROCm that is currently supported (1.6)
- *       the runtime will send packets that direct the CP to
- *       invalidate the GPUs caches. We do this automatically on
- *       each kernel launch in the CU, so this is safe for now.
+ * TODO: For now we simply tell the HSAPP to finish the packet and write a
+ * completion signal, if any. However, in the future proper handing may be
+ * required for vendor specific packets.
+ *
+ * In the version of ROCm that is currently supported the runtime will send
+ * packets that direct the CP to invalidate the GPU caches. We do this
+ * automatically on each kernel launch in the CU, so that situation is safe
+ * for now.
  */
 void
 GPUCommandProcessor::submitVendorPkt(void *raw_pkt, uint32_t queue_id,
     Addr host_pkt_addr)
 {
+    auto vendor_pkt = (_hsa_generic_vendor_pkt *)raw_pkt;
+
+    if (vendor_pkt->completion_signal) {
+        sendCompletionSignal(vendor_pkt->completion_signal);
+    }
+
+    warn("Ignoring vendor packet\n");
+
     hsaPP->finishPkt(raw_pkt, queue_id);
 }