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Touching top-left registers bottom-right. Cause: The GT9XX reports raw coordinates; the OS expects a different orientation. Fix: Use xinput set-prop on Linux or modify the touchscreen-inverted-x and touchscreen-inverted-y booleans in the device tree.
The GT9XX family is well-supported in the mainline Linux kernel under the goodix driver. gt9xx 1085x600
Unlike 16:9 displays, the 1085x600 resolution is slightly narrower. The GT9XX driver needs accurate touchscreen-size-x and touchscreen-size-y parameters. Incorrect values cause: Touching top-left registers bottom-right