diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c
index 4a3b771ded25..94925f1590ea 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c
@@ -1761,8 +1761,12 @@ r535_gsp_fini(struct nvkm_gsp *gsp, enum nvkm_suspend_state suspend)
 		 * TODO: Debug the GSP firmware / RPC handling to find out why
 		 * without this Turing (but none of the other architectures)
 		 * ends up resetting all channels after resume.
+		 * Additionally, runtime suspend on other architectures quickly
+		 * becomes unreliable without this sleep. If you're experiencing
+		 * issues with runtime suspend, try bumping this delay up and
+		 * sending a patch if it fixes your GPU.
 		 */
-		msleep(50);
+		msleep(200);
 	}
 
 	ret = r535_gsp_rpc_unloading_guest_driver(gsp, suspend);