The Chi Roll and Reverse Chi Roll are the fundamental building blocks of dragon staff movements. While there are many ways to explore rolling a dragon staff along your body without the use of chi rolls, comfort and proficiency in both the forward and reverse chi rolls is crucial to learning the vast majority of other dragon staff tricks.
Other Resources Edit
MCP's staff wiki has a dragon staff section
Also, many contact staff moves carry over to dragon staff, though some may require modifications and some are not possible due to the different physics of the props.
The dragonstaffshare youtube channel has a good set of tutorials.