Add following lines in “/etc/modprobe.d/lcd35.conf” file.

options fbtft_device name=flexpfb rotate=270
options flexfb chip=ili9488

Add following lines in “/etc/modules” file.

aml_i2c
pwm-meson
pwm-ctrl
fbtft_device
flexfb
sx865x

Create a new config file

sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf.old

Add following lines in “/etc/X11/xorg.conf” file.

Section "Device"
    Identifier    "C fbdev"
    Driver        "fbdev"
    Option        "fbdev" "/dev/fb2"
EndSection

Reboot

sudo reboot