gpu: nvpgu: Rename Linux specific vidmem code

Rename os/linux/vidmem.c to os/linux/dmabuf_vidmem.c. The code is
mainly dealing with interfacing with Linux dmabuf framework and its
responsibilities got confused with common/mm/vidmem.c.

Also move the header include/nvgpu/linux/vidmem.h to
os/linux/dmabuf_vidmem.h. It does not expose any interface to outside
Linux code.

Change-Id: I2cb1057a8934d5cb5c5860023aa12f8f048a6684
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1768261
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 0 insertions, 77 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/linux/vidmem.h b/drivers/gpu/nvgpu/include/nvgpu/linux/vidmem.h
deleted file mode 100644
index ec02faec..00000000
--- a/drivers/gpu/nvgpu/include/nvgpu/linux/vidmem.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (c) 2017, 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,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __NVGPU_LINUX_VIDMEM_H__
-#define __NVGPU_LINUX_VIDMEM_H__
-
-#include <nvgpu/types.h>
-
-struct dma_buf;
-
-struct gk20a;
-
-#ifdef CONFIG_GK20A_VIDMEM
-
-struct gk20a *nvgpu_vidmem_buf_owner(struct dma_buf *dmabuf);
-int nvgpu_vidmem_export_linux(struct gk20a *g, size_t bytes);
-
-void nvgpu_vidmem_set_page_alloc(struct scatterlist *sgl, u64 addr);
-struct nvgpu_page_alloc *nvgpu_vidmem_get_page_alloc(struct scatterlist *sgl);
-
-int nvgpu_vidmem_buf_access_memory(struct gk20a *g, struct dma_buf *dmabuf,
-                void *buffer, u64 offset, u64 size, u32 cmd);
-
-#else /* !CONFIG_GK20A_VIDMEM */
-
-static inline struct gk20a *nvgpu_vidmem_buf_owner(struct dma_buf *dmabuf)
-{
-        return NULL;
-}
-
-static inline int nvgpu_vidmem_export_linux(struct gk20a *g, size_t bytes)
-{
-        return -ENOSYS;
-}
-
-static inline void nvgpu_vidmem_set_page_alloc(struct scatterlist *sgl,
-                                               u64 addr)
-{
-}
-
-static inline struct nvgpu_page_alloc *nvgpu_vidmem_get_page_alloc(
-        struct scatterlist *sgl)
-{
-        return NULL;
-}
-
-static inline int nvgpu_vidmem_buf_access_memory(struct gk20a *g,
-                                                 struct dma_buf *dmabuf,
-                                                 void *buffer, u64 offset,
-                                                 u64 size, u32 cmd)
-{
-        return -ENOSYS;
-}
-
-#endif
-
-
-struct nvgpu_vidmem_linux {
-        struct dma_buf  *dmabuf;
-        void            *dmabuf_priv;
-        void            (*dmabuf_priv_delete)(void *);
-};
-
-#endif