Hi @ayyappanmuthu if you want 2d/3d acceleration you must do:
sudo apt update
sudo apt install xserver-xorg-video-armada-etnaviv
#/etc/X11/xorg.conf
Section "Monitor"
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "armada"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
Screen "Builtin Default fbdev Screen 0"
EndSection
Regards,