The flickering is no longer an issue with the 6.0 kernel. And I did not know this was a workaround when trying all the different distros. I just noticed that the ones with newer kernels did not have this problem.
And thank you su much for the help! 
The flickering is no longer an issue with the 6.0 kernel. And I did not know this was a workaround when trying all the different distros. I just noticed that the ones with newer kernels did not have this problem.
And thank you su much for the help!