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-rw-r--r--include/drm/drm_plane.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 06759badf99f..2628c7cde2da 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -803,6 +803,9 @@ void *__drmm_universal_plane_alloc(struct drm_device *dev,
*
* The @drm_plane_funcs.destroy hook must be NULL.
*
+ * Drivers that only support the DRM_FORMAT_MOD_LINEAR modifier support may set
+ * @format_modifiers to NULL. The plane will advertise the linear modifier.
+ *
* Returns:
* Pointer to new plane, or ERR_PTR on failure.
*/