EXPORT_SYMBOL(drm_mode_copy);
/**
+ * drm_mode_init - initialize the mode from another mode
+ * @dst: mode to overwrite
+ * @src: mode to copy
+ *
+ * Copy an existing mode into another mode, zeroing the
+ * list head of the destination mode. Typically used
+ * to guarantee the list head is not left with stack
+ * garbage in on-stack modes.
+ */
+void drm_mode_init(struct drm_display_mode *dst, const struct drm_display_mode *src)
+{
+ memset(dst, 0, sizeof(*dst));
+ drm_mode_copy(dst, src);
+}
+EXPORT_SYMBOL(drm_mode_init);
+
+/**
* drm_mode_duplicate - allocate and duplicate an existing mode
* @dev: drm_device to allocate the duplicated mode for
* @mode: mode to duplicate
int adjust_flags);
void drm_mode_copy(struct drm_display_mode *dst,
const struct drm_display_mode *src);
+void drm_mode_init(struct drm_display_mode *dst,
+ const struct drm_display_mode *src);
struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
const struct drm_display_mode *mode);
bool drm_mode_match(const struct drm_display_mode *mode1,