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Commit b716d46e authored by Tomasz Stanislawski's avatar Tomasz Stanislawski Committed by Inki Dae
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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: default avatarTomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent e25e1b66

drivers/gpu/drm/exynos/exynos_drm_dmabuf.c

+7 −0
Original line number Diff line number Diff line
@@ -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,

};