Probably not likely to help much but is it any different under 4.19.46?DarkPlatinum wrote: ↑Thu May 30, 2019 7:46 pmWhat I have found so far with the 4.19.42 kernel is the full-kms driver works fine in 720p fullscreen whereas the fake-kms lags. Could just be a driver issue?
And you're on 4.19.42 or 4.19.46?DarkPlatinum wrote: ↑Tue May 28, 2019 8:59 pmUsing fake KMS, 192mb split on RPi 3B+ chromium 72. Getting stuttering in 480p video (non fullscreen).