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path: root/drivers/gpu/drm/tegra/gem.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/gem.c')
-rw-r--r--drivers/gpu/drm/tegra/gem.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index ef853e558036..bcf9895cef9f 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -8,14 +8,9 @@
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that 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.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
*/
#include <linux/dma-buf.h>
@@ -394,6 +389,18 @@ static int tegra_gem_prime_mmap(struct dma_buf *buf, struct vm_area_struct *vma)
return -EINVAL;
}
+static void *tegra_gem_prime_vmap(struct dma_buf *buf)
+{
+ struct drm_gem_object *gem = buf->priv;
+ struct tegra_bo *bo = to_tegra_bo(gem);
+
+ return bo->vaddr;
+}
+
+static void tegra_gem_prime_vunmap(struct dma_buf *buf, void *vaddr)
+{
+}
+
static const struct dma_buf_ops tegra_gem_prime_dmabuf_ops = {
.map_dma_buf = tegra_gem_prime_map_dma_buf,
.unmap_dma_buf = tegra_gem_prime_unmap_dma_buf,
@@ -403,6 +410,8 @@ static const struct dma_buf_ops tegra_gem_prime_dmabuf_ops = {
.kmap = tegra_gem_prime_kmap,
.kunmap = tegra_gem_prime_kunmap,
.mmap = tegra_gem_prime_mmap,
+ .vmap = tegra_gem_prime_vmap,
+ .vunmap = tegra_gem_prime_vunmap,
};
struct dma_buf *tegra_gem_prime_export(struct drm_device *drm,