If you're running 's development branch (main, tracking git) on a device with split display controller and gpu (like the with and mxsfb / dcss) make sure to set


in ~/.phoshdebug as otherwise GTK4 (and lots of other things) will fail to render anything. GTK3 and itself will work fine.

This doesn't apply when you run nested of e.g. with intel graphics.

While we had enabled power saving for the vivante gpu on the since some time we couldn't power off the corresponding regulator (power supply) since the phone would hang then. Turns out we just didn't give it enough time to come back up. Fix is already merged into linux-next: git.kernel.org/pub/scm/linux/k

The devkit driving it's internal panel via DSI and an external screen via HDMI at the same time.

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