1 files changed, 1 insertions, 34 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/dmabuf.c b/drivers/gpu/nvgpu/common/linux/dmabuf.c
index 08cf5f2b..580dfcae 100644
--- a/drivers/gpu/nvgpu/common/linux/dmabuf.c
+++ b/drivers/gpu/nvgpu/common/linux/dmabuf.c
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+* Copyright (c) 2017-2018, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -140,7 +140,6 @@ int gk20a_dmabuf_alloc_drvdata(struct dma_buf *dmabuf, struct device *dev)
 {
         struct gk20a *g = gk20a_get_platform(dev)->g;
         struct gk20a_dmabuf_priv *priv;
-        static u64 priv_count = 0;
 
         priv = dma_buf_get_drvdata(dmabuf, dev);
         if (likely(priv))
@@ -159,7 +158,6 @@ int gk20a_dmabuf_alloc_drvdata(struct dma_buf *dmabuf, struct device *dev)
 
         nvgpu_mutex_init(&priv->lock);
         nvgpu_init_list_node(&priv->states);
-        priv->buffer_id = ++priv_count;
         priv->g = g;
         dma_buf_set_drvdata(dmabuf, dev, priv, gk20a_mm_delete_priv);
 
@@ -214,34 +212,3 @@ out:
                 *state = s;
         return err;
 }
-
-int gk20a_mm_get_buffer_info(struct device *dev, int dmabuf_fd,
-                             u64 *buffer_id, u64 *buffer_len)
-{
-        struct dma_buf *dmabuf;
-        struct gk20a_dmabuf_priv *priv;
-        int err = 0;
-
-        dmabuf = dma_buf_get(dmabuf_fd);
-        if (IS_ERR(dmabuf)) {
-                dev_warn(dev, "%s: fd %d is not a dmabuf", __func__, dmabuf_fd);
-                return PTR_ERR(dmabuf);
-        }
-
-        err = gk20a_dmabuf_alloc_drvdata(dmabuf, dev);
-        if (err) {
-                dev_warn(dev, "Failed to allocate dmabuf drvdata (err = %d)",
-                         err);
-                goto clean_up;
-        }
-
-        priv = dma_buf_get_drvdata(dmabuf, dev);
-        if (likely(priv)) {
-                *buffer_id = priv->buffer_id;
-                *buffer_len = dmabuf->size;
-        }
-
-clean_up:
-        dma_buf_put(dmabuf);
-        return err;
-}