Tearing in chromium-browser on HyperPixel 4.0 Square

[steve-gillen]

I know that tearing is a perennial problem with many RPI systems, but is there a way to address it with this model of screen?

I'm using an RPI4 (recent) and HyperPixel 4.0 Square (recent).

Everything works fine, but moving elements show tearing in X.

Specifically in chromium, html animations are tearing, ruining the nice kiosk effect I was going for.

(Example, a text-filled DIV scrolling into view, the left half of the box leads the right half by a jittery pixel on the way up)

I have tried turning composting off in raspi-config among a few other things found on the web, no such luck.

If it matters, I don't care about video, which seems to be a whole other ball of wax.

I'd also consider other browsers if they might perform better.

Cheers.

[Gadgetoid]

This is not something we can really effect, since it's entirely based on how the browser, compositor and GPU drivers interact. It's a complicated problem in Linux (it's sooo annoying and I deeply feel your pain) and it... leads to some ... debate - raspberrypi/userland#512

That said, try the new OS and drivers detailed here and see if it makes any difference - #177 - I'd be interested to know.