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drm/cma: add low-level hook functions to use prime helpers

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Instead of using the dma_buf functionality for GEM CMA, we can use prime
helpers if we can provide low-level hook functions for GEM CMA.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Joonyoung Shim
2013-06-28 14:24:54 +09:00
committed by Dave Airlie
parent 7c397cd97b
commit 78467dc5f7
2 changed files with 88 additions and 0 deletions
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include/drm/drm_gem_cma_helper.h
+9
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@@ -54,4 +54,13 @@ struct dma_buf *drm_gem_cma_dmabuf_export(struct drm_device *drm_dev,
struct drm_gem_object *drm_gem_cma_dmabuf_import(struct drm_device *drm_dev,
struct dma_buf *dma_buf);
struct sg_table *drm_gem_cma_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *
drm_gem_cma_prime_import_sg_table(struct drm_device *dev, size_t size,
struct sg_table *sgt);
int drm_gem_cma_prime_mmap(struct drm_gem_object *obj,
struct vm_area_struct *vma);
void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj);
void drm_gem_cma_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
#endif /* __DRM_GEM_CMA_HELPER_H__ */