gpu: nvgpu: Remove NVGPU_IOCTL_GET_BUFFER_INFO

The IOCTL was introduced for making efficient query of buffer
identity and size. It was never taken into use, and it adds a
dependency to Tegra specific dma_buf API, so remove it.

JIRA NVGPU-4

Change-Id: I194d7bb1f54997900a3be8d39c93331befa225c7
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1648001
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/dmabuf.h b/drivers/gpu/nvgpu/common/linux/dmabuf.h
index 8e6c139b..d30ff5a5 100644
--- a/drivers/gpu/nvgpu/common/linux/dmabuf.h
+++ b/drivers/gpu/nvgpu/common/linux/dmabuf.h
@@ -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,
@@ -57,7 +57,4 @@ int gk20a_dmabuf_alloc_drvdata(struct dma_buf *dmabuf, struct device *dev);
 int gk20a_dmabuf_get_state(struct dma_buf *dmabuf, struct gk20a *g,
                            u64 offset, struct gk20a_buffer_state **state);
 
-int gk20a_mm_get_buffer_info(struct device *dev, int dmabuf_fd,
-                             u64 *buffer_id, u64 *buffer_len);
-
 #endif