drm/nouveau/core: object.engine is always a nouveau_engine now

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c
index 9261694..20a8cd7 100644
--- a/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/copy/nvc0.c
@@ -91,7 +91,7 @@
 	if (ret)
 		return ret;
 
-	nv_wo32(priv, 0x084, nv_engidx(object) - NVDEV_ENGINE_COPY0);
+	nv_wo32(priv, 0x084, nv_engidx(&priv->base.base) - NVDEV_ENGINE_COPY0);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/core/engine/copy/nve0.c b/drivers/gpu/drm/nouveau/core/engine/copy/nve0.c
index c7194b3..b140a01 100644
--- a/drivers/gpu/drm/nouveau/core/engine/copy/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/copy/nve0.c
@@ -69,7 +69,7 @@
 static void
 nve0_copy_intr(struct nouveau_subdev *subdev)
 {
-	const int ce = nv_subidx(nv_object(subdev)) - NVDEV_ENGINE_COPY0;
+	const int ce = nv_subidx(subdev) - NVDEV_ENGINE_COPY0;
 	struct nve0_copy_priv *priv = (void *)subdev;
 	u32 stat = nv_rd32(priv, 0x104908 + (ce * 0x1000));
 
diff --git a/drivers/gpu/drm/nouveau/core/engine/device/base.c b/drivers/gpu/drm/nouveau/core/engine/device/base.c
index 0a6abc2..f74f9cb 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/base.c
@@ -516,7 +516,7 @@
 		while (device && device->parent)
 			device = device->parent;
 	} else {
-		device = nv_object(obj)->engine;
+		device = &nv_object(obj)->engine->subdev.object;
 		if (device && device->parent)
 			device = device->parent;
 	}
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
index 074d434..e8ef8cb 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
@@ -445,7 +445,6 @@
 nvc0_fifo_recover(struct nvc0_fifo_priv *priv, struct nouveau_engine *engine,
 		  struct nvc0_fifo_chan *chan)
 {
-	struct nouveau_object *engobj = nv_object(engine);
 	u32 chid = chan->base.chid;
 	unsigned long flags;
 
@@ -456,7 +455,7 @@
 	chan->state = KILLED;
 
 	spin_lock_irqsave(&priv->base.lock, flags);
-	priv->mask |= 1ULL << nv_engidx(engobj);
+	priv->mask |= 1ULL << nv_engidx(engine);
 	spin_unlock_irqrestore(&priv->base.lock, flags);
 	schedule_work(&priv->fault);
 }
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
index 6a8db7c..c9c1680 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
@@ -471,7 +471,6 @@
 nve0_fifo_recover(struct nve0_fifo_priv *priv, struct nouveau_engine *engine,
 		  struct nve0_fifo_chan *chan)
 {
-	struct nouveau_object *engobj = nv_object(engine);
 	u32 chid = chan->base.chid;
 	unsigned long flags;
 
@@ -482,7 +481,7 @@
 	chan->state = KILLED;
 
 	spin_lock_irqsave(&priv->base.lock, flags);
-	priv->mask |= 1ULL << nv_engidx(engobj);
+	priv->mask |= 1ULL << nv_engidx(engine);
 	spin_unlock_irqrestore(&priv->base.lock, flags);
 	schedule_work(&priv->fault);
 }