drm/nouveau/fence/nv84-: put processes to sleep while waiting on fences

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

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h
index cdb83acdffe2..be6166eb966d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fence.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.h
@@ -43,6 +43,9 @@ struct nouveau_fence_priv {
         int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
                      struct nouveau_channel *);
         u32  (*read)(struct nouveau_channel *);
+
+        wait_queue_head_t waiting;
+        bool uevent;
 };
 
 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)