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| author | Tomasz Stanislawski <t.stanislaws@samsung.com> | 2012-09-05 19:31:56 +0900 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2012-09-13 12:38:09 +0900 |
| commit | b716d46e003fc12f64bbdd71e5b9fd733e59b8d4 (patch) | |
| tree | 372bf738693ac899d1e39c7f8baf0d951e069e0c /drivers/gpu | |
| parent | e25e1b6654e3d80da7a40561ec6dba6c5e7e12d3 (diff) | |
| download | linux-b716d46e003fc12f64bbdd71e5b9fd733e59b8d4.tar.bz2 | |
drm/exynos: add dummy support for dmabuf-mmap
This patch adds a stub function for DMABUF mmap.
This allows to export a DMABUF.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index 613bf8a5d9b2..ae13febe0eaa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -163,6 +163,12 @@ static void exynos_gem_dmabuf_kunmap(struct dma_buf *dma_buf, /* TODO */ } +static int exynos_gem_dmabuf_mmap(struct dma_buf *dma_buf, + struct vm_area_struct *vma) +{ + return -ENOTTY; +} + static struct dma_buf_ops exynos_dmabuf_ops = { .map_dma_buf = exynos_gem_map_dma_buf, .unmap_dma_buf = exynos_gem_unmap_dma_buf, @@ -170,6 +176,7 @@ static struct dma_buf_ops exynos_dmabuf_ops = { .kmap_atomic = exynos_gem_dmabuf_kmap_atomic, .kunmap = exynos_gem_dmabuf_kunmap, .kunmap_atomic = exynos_gem_dmabuf_kunmap_atomic, + .mmap = exynos_gem_dmabuf_mmap, .release = exynos_dmabuf_release, }; |