Screen rotation, qt, eglfs

I have jetson nano and display with vertical factory orientation that I want to change.
I’m trying to use qt eglfs with eglfs_kms_egldevice backend on these devices, but there doesn’t seem to be an option to rotate the screen. Variable QT_QPA_EGLFS_ROTATION doesn’t work properly, it only rotates items, not the screen, and my app just gets cropped at center with a horizontal orientation on vertical screen.
May be I can go for different aproach like setting up driver config, devicetree or smth else?

Sorry that I haven’t run QT backend or application for a while. Hope other users could help share experience.

I don’t think device tree is related to such issue. This issue is not related to linux kernel and device tree is for kernel to read.

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