drm/nv40/mpeg: write magic value to channel object to make it work

Looks like the rewrite in commit ebb945a94b ("drm/nouveau: port all
engines to new engine module format") missed that one little detail.

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

diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
index f7c581a..dd61960 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
@@ -61,6 +61,7 @@ nv40_mpeg_context_ctor(struct nouveau_object *parent,
        if (ret)
                return ret;
 
+       nv_wo32(&chan->base.base, 0x78, 0x02001ec1);
        return 0;
 }