diff --git a/tests/util/format.c b/tests/util/format.c
index 1fb7979b..eda3c671 100644
--- a/tests/util/format.c
+++ b/tests/util/format.c
@@ -81,6 +81,9 @@ static const struct util_format_info format_info[] = {
 	{ DRM_FORMAT_BGRX5551, "BX15", MAKE_RGB_INFO(5, 1, 5, 6, 5, 11, 0, 0) },
 	{ DRM_FORMAT_RGB565, "RG16", MAKE_RGB_INFO(5, 11, 6, 5, 5, 0, 0, 0) },
 	{ DRM_FORMAT_BGR565, "BG16", MAKE_RGB_INFO(5, 0, 6, 5, 5, 11, 0, 0) },
+	/* Big-endian RGB16 */
+	{ DRM_FORMAT_XRGB1555 | DRM_FORMAT_BIG_ENDIAN, "XR15_BE", MAKE_RGB_INFO(5, 10, 5, 5, 5, 0, 0, 0) },
+	{ DRM_FORMAT_RGB565 | DRM_FORMAT_BIG_ENDIAN, "RG16_BE", MAKE_RGB_INFO(5, 11, 6, 5, 5, 0, 0, 0) },
 	/* RGB24 */
 	{ DRM_FORMAT_BGR888, "BG24", MAKE_RGB_INFO(8, 0, 8, 8, 8, 16, 0, 0) },
 	{ DRM_FORMAT_RGB888, "RG24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 0) },