diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
index e5fe44589bbd..1c12854a8550 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gsp.h
@@ -44,10 +44,14 @@ typedef void (*nvkm_gsp_event_func)(struct nvkm_gsp_event *, void *repv, u32 rep
  * NVKM_GSP_RPC_REPLY_RECV - If specified, wait and receive the entire GSP
  * RPC message after the GSP RPC command is issued.
  *
+ * NVKM_GSP_RPC_REPLY_POLL - If specified, wait for the specific reply and
+ * discard the reply before returning to the caller.
+ *
  */
 enum nvkm_gsp_rpc_reply_policy {
 	NVKM_GSP_RPC_REPLY_NOWAIT = 0,
 	NVKM_GSP_RPC_REPLY_RECV,
+	NVKM_GSP_RPC_REPLY_POLL,
 };
 
 struct nvkm_gsp {
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index f73dcc3e1c0d..969f6b921fdb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -602,6 +602,9 @@ r535_gsp_rpc_handle_reply(struct nvkm_gsp *gsp, u32 fn,
 		else
 			repv = reply;
 		break;
+	case NVKM_GSP_RPC_REPLY_POLL:
+		repv = r535_gsp_msg_recv(gsp, fn, 0);
+		break;
 	}
 
 	return repv;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/r535.c
index 2789efe9c100..35ba1798ee6e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/r535.c
@@ -105,7 +105,7 @@ fbsr_memlist(struct nvkm_gsp_device *device, u32 handle, enum nvkm_memory_target
 			rpc->pteDesc.pte_pde[i].pte = (phys >> 12) + i;
 	}
 
-	ret = nvkm_gsp_rpc_wr(gsp, rpc, NVKM_GSP_RPC_REPLY_RECV);
+	ret = nvkm_gsp_rpc_wr(gsp, rpc, NVKM_GSP_RPC_REPLY_POLL);
 	if (ret)
 		return ret;