drm/cma: add low-level hook functions to use prime helpers
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>
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h
index 6e17251..9d39d2a 100644
--- a/include/drm/drm_gem_cma_helper.h
+++ b/include/drm/drm_gem_cma_helper.h
@@ -54,4 +54,13 @@
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__ */
