diff --git a/include/linux/drm_fourcc.h b/include/linux/drm_fourcc.h
index 1496e097..b181a534 100644
--- a/include/linux/drm_fourcc.h
+++ b/include/linux/drm_fourcc.h
@@ -98,6 +98,9 @@ extern "C" {
 /* Reserve 0 for the invalid format specifier */
 #define DRM_FORMAT_INVALID	0
 
+/* 10 bpp greyscale */
+#define DRM_FORMAT_Y10		fourcc_code('Y', '1', '0', ' ') /* [15:0] Y-only little endian*/
+
 /* color index */
 #define DRM_FORMAT_C8		fourcc_code('C', '8', ' ', ' ') /* [7:0] C */