drm/nv17/fence: split from nv10 code

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

1 files changed, 3 insertions, 96 deletions

diff --git a/drivers/gpu/drm/nouveau/nv10_fence.c b/drivers/gpu/drm/nouveau/nv10_fence.c
index a8ea4af3ca76..e4f124a48d4e 100644
--- a/drivers/gpu/drm/nouveau/nv10_fence.c
+++ b/drivers/gpu/drm/nouveau/nv10_fence.c
@@ -50,45 +50,6 @@ nv10_fence_sync(struct nouveau_fence *fence,
 	return -ENODEV;
 }
 
-int
-nv17_fence_sync(struct nouveau_fence *fence,
-		struct nouveau_channel *prev, struct nouveau_channel *chan)
-{
-	struct nv10_fence_priv *priv = chan->drm->fence;
-	u32 value;
-	int ret;
-
-	if (!mutex_trylock(&prev->cli->mutex))
-		return -EBUSY;
-
-	spin_lock(&priv->lock);
-	value = priv->sequence;
-	priv->sequence += 2;
-	spin_unlock(&priv->lock);
-
-	ret = RING_SPACE(prev, 5);
-	if (!ret) {
-		BEGIN_NV04(prev, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4);
-		OUT_RING  (prev, NvSema);
-		OUT_RING  (prev, 0);
-		OUT_RING  (prev, value + 0);
-		OUT_RING  (prev, value + 1);
-		FIRE_RING (prev);
-	}
-
-	if (!ret && !(ret = RING_SPACE(chan, 5))) {
-		BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4);
-		OUT_RING  (chan, NvSema);
-		OUT_RING  (chan, 0);
-		OUT_RING  (chan, value + 1);
-		OUT_RING  (chan, value + 2);
-		FIRE_RING (chan);
-	}
-
-	mutex_unlock(&prev->cli->mutex);
-	return 0;
-}
-
 u32
 nv10_fence_read(struct nouveau_channel *chan)
 {
@@ -104,39 +65,17 @@ nv10_fence_context_del(struct nouveau_channel *chan)
 	kfree(fctx);
 }
 
-static int
+int
 nv10_fence_context_new(struct nouveau_channel *chan)
 {
-	struct nv10_fence_priv *priv = chan->drm->fence;
 	struct nv10_fence_chan *fctx;
-	int ret = 0;
 
 	fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
 	if (!fctx)
 		return -ENOMEM;
 
 	nouveau_fence_context_new(&fctx->base);
-
-	if (priv->bo) {
-		struct ttm_mem_reg *mem = &priv->bo->bo.mem;
-		struct nouveau_object *object;
-		u32 start = mem->start * PAGE_SIZE;
-		u32 limit = mem->start + mem->size - 1;
-
-		ret = nouveau_object_new(nv_object(chan->cli), chan->handle,
-					 NvSema, 0x0002,
-					 &(struct nv_dma_class) {
-						.flags = NV_DMA_TARGET_VRAM |
-							 NV_DMA_ACCESS_RDWR,
-						.start = start,
-						.limit = limit,
-					 }, sizeof(struct nv_dma_class),
-					 &object);
-	}
-
-	if (ret)
-		nv10_fence_context_del(chan);
-	return ret;
+	return 0;
 }
 
 void
@@ -151,18 +90,10 @@ nv10_fence_destroy(struct nouveau_drm *drm)
 	kfree(priv);
 }
 
-void nv17_fence_resume(struct nouveau_drm *drm)
-{
-	struct nv10_fence_priv *priv = drm->fence;
-
-	nouveau_bo_wr32(priv->bo, 0, priv->sequence);
-}
-
 int
 nv10_fence_create(struct nouveau_drm *drm)
 {
 	struct nv10_fence_priv *priv;
-	int ret = 0;
 
 	priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -175,29 +106,5 @@ nv10_fence_create(struct nouveau_drm *drm)
 	priv->base.read = nv10_fence_read;
 	priv->base.sync = nv10_fence_sync;
 	spin_lock_init(&priv->lock);
-
-	if (nv_device(drm->device)->chipset >= 0x17) {
-		ret = nouveau_bo_new(drm->dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
-				     0, 0x0000, NULL, &priv->bo);
-		if (!ret) {
-			ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM);
-			if (!ret) {
-				ret = nouveau_bo_map(priv->bo);
-				if (ret)
-					nouveau_bo_unpin(priv->bo);
-			}
-			if (ret)
-				nouveau_bo_ref(NULL, &priv->bo);
-		}
-
-		if (ret == 0) {
-			nouveau_bo_wr32(priv->bo, 0x000, 0x00000000);
-			priv->base.sync = nv17_fence_sync;
-			priv->base.resume = nv17_fence_resume;
-		}
-	}
-
-	if (ret)
-		nv10_fence_destroy(drm);
-	return ret;
+	return 0;
 }