drm/nouveau/nvif: assign internal class identifiers to sw classes

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
index cfaa8ae..cdb25b5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
@@ -33,6 +33,7 @@
 #include <subdev/timer.h>
 
 #include <nvif/class.h>
+#include <nvif/ioctl.h>
 #include <nvif/unpack.h>
 
 struct gf100_fifo {
@@ -494,7 +495,7 @@
 	if (unlikely(!chan))
 		goto out;
 
-	bind = nvkm_namedb_get_class(nv_namedb(chan), 0x906e);
+	bind = nvkm_namedb_get_class(nv_namedb(chan), NVIF_IOCTL_NEW_V0_SW_GF100);
 	if (likely(bind)) {
 		if (!mthd || !nv_call(bind->object, mthd, data))
 			ret = 0;