About BBVIEW

Hi:
Is there anybody has used BBVIEW? Recently i update my BB-B system to debian 9.3. The kernal version is 4.9.78-ti-r94.After i update me system, my 7.0 inch screen can’t work anymore.
I am trying to find some information about how to deal with it, someone says there is no need to patch th kernal,just need some configurations.
I want get some advice about how do i configure my BB-B,.
Very appreciate if you can help me!