Can you include sources as to what these parameters do? What lead you to this fix? Linux users know not to trust random “just add this, trust me bro” 
From another FW thread, you state:
Trying to help draw some conclusions:
amdgpu.abmlevel=0 looks to disable adaptive backlight management
But some more info can be pulled from this Reddit thread:
https://www.reddit.com/r/framework/comments/1goh7hc/comment/lwk2vv4/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button
Ideally I think the better option would be to file a bug… Maybe update this bug with the testing/findings you have done thus far:
It would be ideal to have the power savings that have been implemented and not have to disable them via kernel params.