@netmindz I don’t know if this helps you, but if you’re using a tiled APA102 matrix - it looks like you are at least using APA102s as that’s the default in your sketch - then you can now add a mapping to the APA102 controller. You’ll be able to easily switch between APA102s and HUB75 panels, and you get the gamma correction and APA102 GBC control built into SmartMatrix Library.
There’s no WS2812 support, or support to run on a non-Teensy platform so it’s not a perfect solution, but thought I’d let you know as this is new