diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
index ca7f3b7bb27903590f22bcad761d83e557ffe807..e9d0ea9bdb36e8a183f37c1817572f3a5faa73fe 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
@@ -2470,6 +2470,7 @@ static const struct nvkm_device_chip
 nv166_chipset = {
 	.name = "TU106",
 	.bios = nvkm_bios_new,
+	.bus = gf100_bus_new,
 	.devinit = tu104_devinit_new,
 	.fuse = gm107_fuse_new,
 	.gpio = gk104_gpio_new,