Did you go to Tokyo? Did you went to Tokyo ? の意味は？

Did you go to Tokyo? は正しいですが、
Did you went to Tokyo? は間違いです。

この質問文を肯定文になおしてみると間違いがよくわかります。
Did you go to Tokyo?
◯ You did go to Tokyo. (did go = went)
◯ You went to Tokyo.

Did you went to Tokyo?
× You did went to Tokyo. (did go = went)
× You did did go to Tokyo.