Turn off 3D GPU on IMX8MM for power optimization

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Turn off 3D GPU on IMX8MM for power optimization

679 次查看
ajita02
Contributor IV

Hi All,

We are working on IMX8MM board. Using weston as compositor and G2D as renderer. We know that G2D uses GPU section for rendering.

1. Our lightweight QT application is 2D, so we want to disable 3D GPU core. Is it possible?

2. When I tried to reduce GPU clock (default is 500MHz) to 200/100 MHZ using dts. GPU still uses minimum 300MHz frequency. Is it possible to reduce frequency further?

Thanks,

Ajita

#IMX8MM #GPU #Linux #Yocto

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635 次查看
Zhiming_Liu
NXP TechSupport
NXP TechSupport

Hi @ajita02 

 

Did you try to use below command to reduce frequency? If you want to close it, you can disable it in device tree.

Zhiming_Liu_0-1763945323771.pngZhiming_Liu_0-1763945323771.png

Best Regards,
Zhiming

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