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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>
This commit is contained in:
Tomasz Stanislawski 2012-09-05 19:31:56 +09:00 committed by Inki Dae
parent e25e1b6654
commit b716d46e00
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
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@ -163,6 +163,12 @@ static void exynos_gem_dmabuf_kunmap(struct dma_buf *dma_buf,
/* TODO */ /* 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 = { static struct dma_buf_ops exynos_dmabuf_ops = {
.map_dma_buf = exynos_gem_map_dma_buf, .map_dma_buf = exynos_gem_map_dma_buf,
.unmap_dma_buf = exynos_gem_unmap_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, .kmap_atomic = exynos_gem_dmabuf_kmap_atomic,
.kunmap = exynos_gem_dmabuf_kunmap, .kunmap = exynos_gem_dmabuf_kunmap,
.kunmap_atomic = exynos_gem_dmabuf_kunmap_atomic, .kunmap_atomic = exynos_gem_dmabuf_kunmap_atomic,
.mmap = exynos_gem_dmabuf_mmap,
.release = exynos_dmabuf_release, .release = exynos_dmabuf_release,
}; };