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3.27. linux3.4 desktop version system GPU driver test method
1) First install glmark2-es2
root@orangepi:~# apt update
root@orangepi:~# apt install glmark2-es2
2) Then enter the desktop of the linux system through the HDMI display, do not use ssh
to log in remotely or serial port to log in to the linux system
3) Run glmark2-es2
root@orangepi:~# glmark2-es2
4) It can be seen that OpenGL uses Mali-400 MP, indicating that the GPU can be used
normally