lumag: soon i should be able to grab some register reads. but before i said something about seeing ubwc in adreno.
I think i found it:
https://github.com/SoMainline/linux/commit/a6954308e77e927957a020b0b8bee88e2dcc11dc#diff-3dd9fa7fc045a269a108a13f0770bcf302809d5969eb07fe593057c1f2da3332R855
but i guess konradybcio is better to ask about it