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path: root/drivers/gpu/drm/exynos/exynos_drm_gem.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_gem.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gem.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 67e17ce112b..0e6fe000578 100644
--- 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)
{