Merge branch 'for_next' into for_linus

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / exynos / exynos_drm_gem.c

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 67e17ce112b69eb5ce795358e1471fd9db2ad841..0e6fe000578c08c78be0df9fa00e2205429e8576 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -164,6 +164,27 @@ out:
        exynos_gem_obj = NULL;
 }
 
+unsigned long exynos_drm_gem_get_size(struct drm_device *dev,
+                                               unsigned int gem_handle,
+                                               struct drm_file *file_priv)
+{
+       struct exynos_drm_gem_obj *exynos_gem_obj;
+       struct drm_gem_object *obj;
+
+       obj = drm_gem_object_lookup(dev, file_priv, gem_handle);
+       if (!obj) {
+               DRM_ERROR("failed to lookup gem object.\n");
+               return 0;
+       }
+
+       exynos_gem_obj = to_exynos_gem_obj(obj);
+
+       drm_gem_object_unreference_unlocked(obj);
+
+       return exynos_gem_obj->buffer->size;
+}
+
+
 struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev,
                                                      unsigned long size)
 {