diff --git a/README.adoc b/README.adoc
index 997aa55..3d19abf 100644
--- a/README.adoc
+++ b/README.adoc
@@ -3830,6 +3830,8 @@ Bibliography:
 * https://en.wikipedia.org/wiki/Mode_setting KMS
 * https://github.com/dvdhrm/docs
 
+Tested on: 93e383902ebcc03d8a7ac0d65961c0e62af9612b
+
 ==== libdri2
 
 TODO get working.