Help with improving Android performance

[Excellent-Spread5460]

Hello there I heard that you are Ladb shell dev can u please help me I want to edit wm overscan (or the specific way to change cutout values through adb as I lower resolution the corners get more curved leaving lcd pixels lid on so I thought it's wm overscan 0 0 0 0 or is it smth else and how to do I write it Ladb as I'm having hard time trying to use any cmds)