drm/nouveau/fence: un-port from nouveau_exec_engine interfaces

Still the same code, but not an "engine" anymore.  The fence code is more of
a policy decision rather than exposing mechanisms, so it's not appropriate
to port it to the new engine subsystem.

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

1 files changed, 35 insertions, 35 deletions

diff --git a/drivers/gpu/drm/nouveau/nvc0_fence.c b/drivers/gpu/drm/nouveau/nvc0_fence.c
index 79bb31ed6c8b..d53ae32caea3 100644
--- a/drivers/gpu/drm/nouveau/nvc0_fence.c
+++ b/drivers/gpu/drm/nouveau/nvc0_fence.c
@@ -44,7 +44,7 @@ static int
 nvc0_fence_emit(struct nouveau_fence *fence)
 {
 	struct nouveau_channel *chan = fence->channel;
-	struct nvc0_fence_chan *fctx = chan->engctx[NVOBJ_ENGINE_FENCE];
+	struct nvc0_fence_chan *fctx = chan->fence;
 	u64 addr = fctx->vma.offset + chan->id * 16;
 	int ret;
 
@@ -65,7 +65,7 @@ static int
 nvc0_fence_sync(struct nouveau_fence *fence,
 		struct nouveau_channel *prev, struct nouveau_channel *chan)
 {
-	struct nvc0_fence_chan *fctx = chan->engctx[NVOBJ_ENGINE_FENCE];
+	struct nvc0_fence_chan *fctx = chan->fence;
 	u64 addr = fctx->vma.offset + prev->id * 16;
 	int ret;
 
@@ -86,30 +86,33 @@ nvc0_fence_sync(struct nouveau_fence *fence,
 static u32
 nvc0_fence_read(struct nouveau_channel *chan)
 {
-	struct nvc0_fence_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_FENCE);
+	struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
+	struct nvc0_fence_priv *priv = dev_priv->fence.func;
 	return nouveau_bo_rd32(priv->bo, chan->id * 16/4);
 }
 
 static void
-nvc0_fence_context_del(struct nouveau_channel *chan, int engine)
+nvc0_fence_context_del(struct nouveau_channel *chan)
 {
-	struct nvc0_fence_priv *priv = nv_engine(chan->dev, engine);
-	struct nvc0_fence_chan *fctx = chan->engctx[engine];
+	struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
+	struct nvc0_fence_priv *priv = dev_priv->fence.func;
+	struct nvc0_fence_chan *fctx = chan->fence;
 
 	nouveau_bo_vma_del(priv->bo, &fctx->vma);
 	nouveau_fence_context_del(&fctx->base);
-	chan->engctx[engine] = NULL;
+	chan->fence = NULL;
 	kfree(fctx);
 }
 
 static int
-nvc0_fence_context_new(struct nouveau_channel *chan, int engine)
+nvc0_fence_context_new(struct nouveau_channel *chan)
 {
-	struct nvc0_fence_priv *priv = nv_engine(chan->dev, engine);
+	struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
+	struct nvc0_fence_priv *priv = dev_priv->fence.func;
 	struct nvc0_fence_chan *fctx;
 	int ret;
 
-	fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL);
+	fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
 	if (!fctx)
 		return -ENOMEM;
 
@@ -117,36 +120,35 @@ nvc0_fence_context_new(struct nouveau_channel *chan, int engine)
 
 	ret = nouveau_bo_vma_add(priv->bo, chan->vm, &fctx->vma);
 	if (ret)
-		nvc0_fence_context_del(chan, engine);
+		nvc0_fence_context_del(chan);
 
 	nouveau_bo_wr32(priv->bo, chan->id * 16/4, 0x00000000);
 	return ret;
 }
 
-static int
-nvc0_fence_fini(struct drm_device *dev, int engine, bool suspend)
+static bool
+nvc0_fence_suspend(struct drm_device *dev)
 {
 	struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO);
-	struct nvc0_fence_priv *priv = nv_engine(dev, engine);
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct nvc0_fence_priv *priv = dev_priv->fence.func;
 	int i;
 
-	if (suspend) {
-		priv->suspend = vmalloc(pfifo->channels * sizeof(u32));
-		if (!priv->suspend)
-			return -ENOMEM;
-
+	priv->suspend = vmalloc(pfifo->channels * sizeof(u32));
+	if (priv->suspend) {
 		for (i = 0; i < pfifo->channels; i++)
 			priv->suspend[i] = nouveau_bo_rd32(priv->bo, i);
 	}
 
-	return 0;
+	return priv->suspend != NULL;
 }
 
-static int
-nvc0_fence_init(struct drm_device *dev, int engine)
+static void
+nvc0_fence_resume(struct drm_device *dev)
 {
 	struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO);
-	struct nvc0_fence_priv *priv = nv_engine(dev, engine);
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct nvc0_fence_priv *priv = dev_priv->fence.func;
 	int i;
 
 	if (priv->suspend) {
@@ -155,19 +157,17 @@ nvc0_fence_init(struct drm_device *dev, int engine)
 		vfree(priv->suspend);
 		priv->suspend = NULL;
 	}
-
-	return 0;
 }
 
 static void
-nvc0_fence_destroy(struct drm_device *dev, int engine)
+nvc0_fence_destroy(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvc0_fence_priv *priv = nv_engine(dev, engine);
+	struct nvc0_fence_priv *priv = dev_priv->fence.func;
 
 	nouveau_bo_unmap(priv->bo);
 	nouveau_bo_ref(NULL, &priv->bo);
-	dev_priv->eng[engine] = NULL;
+	dev_priv->fence.func = NULL;
 	kfree(priv);
 }
 
@@ -183,15 +183,15 @@ nvc0_fence_create(struct drm_device *dev)
 	if (!priv)
 		return -ENOMEM;
 
-	priv->base.engine.destroy = nvc0_fence_destroy;
-	priv->base.engine.init = nvc0_fence_init;
-	priv->base.engine.fini = nvc0_fence_fini;
-	priv->base.engine.context_new = nvc0_fence_context_new;
-	priv->base.engine.context_del = nvc0_fence_context_del;
+	priv->base.dtor = nvc0_fence_destroy;
+	priv->base.suspend = nvc0_fence_suspend;
+	priv->base.resume = nvc0_fence_resume;
+	priv->base.context_new = nvc0_fence_context_new;
+	priv->base.context_del = nvc0_fence_context_del;
 	priv->base.emit = nvc0_fence_emit;
 	priv->base.sync = nvc0_fence_sync;
 	priv->base.read = nvc0_fence_read;
-	dev_priv->eng[NVOBJ_ENGINE_FENCE] = &priv->base.engine;
+	dev_priv->fence.func = priv;
 
 	ret = nouveau_bo_new(dev, 16 * pfifo->channels, 0, TTM_PL_FLAG_VRAM,
 			     0, 0, NULL, &priv->bo);
@@ -204,6 +204,6 @@ nvc0_fence_create(struct drm_device *dev)
 	}
 
 	if (ret)
-		nvc0_fence_destroy(dev, NVOBJ_ENGINE_FENCE);
+		nvc0_fence_destroy(dev);
 	return ret;
 }