Ah, the issue then is that I2C is disabled while the touch screen driver attempts to use it. To disable it, set the overlay to:
dtoverlay=vc4-kms-dpi-hyperpixel4,rotate=270,disable-touch
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Ah, the issue then is that I2C is disabled while the touch screen driver attempts to use it. To disable it, set the overlay to:
dtoverlay=vc4-kms-dpi-hyperpixel4,rotate=270,disable-touch