Hi, chwe
Thanks for your remind. It indeed is our mistake. We have updated the commit and reserve all of the original information.
https://github.com/TinkerBoard/debian_kernel/commit/de8ac6cdee368fd27bea9ecaa9149087029ea52c
Yes, It's caused by this commit
https://github.com/rockchip-linux/kernel/commit/3b7424f3327304988431eca44adf92e59999aa2b#diff-3e6c33bd6c3a2e7db0ba4fd6b1c2612fR28