- nouveau_gpuobj_ref(pushbuf, &chan->pushbuf);
- nouveau_gpuobj_ref(NULL, &pushbuf);
- return ret;
-}
-
-static struct nouveau_bo *
-nouveau_channel_user_pushbuf_alloc(struct drm_device *dev)
-{
- struct nouveau_bo *pushbuf = NULL;
- int location, ret;
-
- if (nouveau_vram_pushbuf)
- location = TTM_PL_FLAG_VRAM;
- else
- location = TTM_PL_FLAG_TT;
-
- ret = nouveau_bo_new(dev, NULL, 65536, 0, location, 0, 0x0000, &pushbuf);
- if (ret) {
- NV_ERROR(dev, "error allocating DMA push buffer: %d\n", ret);
- return NULL;
- }
-
- ret = nouveau_bo_pin(pushbuf, location);
- if (ret) {
- NV_ERROR(dev, "error pinning DMA push buffer: %d\n", ret);
- nouveau_bo_ref(NULL, &pushbuf);
- return NULL;
- }
-
- ret = nouveau_bo_map(pushbuf);