diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/gem.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/gem.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index ef853e55803..aa85b7b26f1 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> @@ -174,7 +169,8 @@ err: return ERR_PTR(ret); } -struct tegra_bo *tegra_bo_import(struct drm_device *drm, struct dma_buf *buf) +static struct tegra_bo *tegra_bo_import(struct drm_device *drm, + struct dma_buf *buf) { struct dma_buf_attachment *attach; struct tegra_bo *bo; @@ -394,6 +390,18 @@ 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 +411,8 @@ 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, |