drm/nv31/mpeg: don't recognize nv3x cards as having nv44 graph class

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
index 9f7c7d53e61e..c19004301309 100644
--- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
+++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
@@ -284,7 +284,10 @@ nv31_mpeg_init(struct nouveau_object *object)
         /* PMPEG init */
         nv_wr32(priv, 0x00b32c, 0x00000000);
         nv_wr32(priv, 0x00b314, 0x00000100);
-        nv_wr32(priv, 0x00b220, nv44_graph_class(priv) ? 0x00000044 : 0x00000031);
+        if (nv_device(priv)->chipset >= 0x40 && nv44_graph_class(priv))
+                nv_wr32(priv, 0x00b220, 0x00000044);
+        else
+                nv_wr32(priv, 0x00b220, 0x00000031);
         nv_wr32(priv, 0x00b300, 0x02001ec1);
         nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);