drm/nve0: use async copy engine for ttm buffer moves if available

Kepler PFIFO lost the ability to address multiple engines from a single
channel, so we need a separate one for the copy engine.

v2: Marcin Slusarz <marcin.slusarz@gmail.com>
- regression fix: restore hw accelerated buffer copies

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h
index 6abd1a1..ab0c174 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.h
@@ -97,6 +97,7 @@ struct nouveau_drm {
 	void *fence;
 
 	/* context for accelerated drm-internal operations */
+	struct nouveau_channel *cechan;
 	struct nouveau_channel *channel;
 	struct nouveau_gpuobj *notify;
 	struct nouveau_fbdev *fbcon;