diff options
Diffstat (limited to 'drivers/staging/omapdrm/omap_gem_dmabuf.c')
| -rw-r--r-- | drivers/staging/omapdrm/omap_gem_dmabuf.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/staging/omapdrm/omap_gem_dmabuf.c b/drivers/staging/omapdrm/omap_gem_dmabuf.c index aba4b3424933..42728e0cc194 100644 --- a/drivers/staging/omapdrm/omap_gem_dmabuf.c +++ b/drivers/staging/omapdrm/omap_gem_dmabuf.c @@ -196,3 +196,25 @@ struct dma_buf * omap_gem_prime_export(struct drm_device *dev, { return dma_buf_export(obj, &omap_dmabuf_ops, obj->size, 0600); } + +struct drm_gem_object * omap_gem_prime_import(struct drm_device *dev, + struct dma_buf *buffer) +{ + struct drm_gem_object *obj; + + /* is this one of own objects? */ + if (buffer->ops == &omap_dmabuf_ops) { + obj = buffer->priv; + /* is it from our device? */ + if (obj->dev == dev) { + drm_gem_object_reference(obj); + return obj; + } + } + + /* + * TODO add support for importing buffers from other devices.. + * for now we don't need this but would be nice to add eventually + */ + return ERR_PTR(-EINVAL); +} |