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powerManagement of GPU for i.MX6

Question asked by Zongbiao Liao on Jan 12, 2017
Latest reply on Jan 19, 2017 by Joan Xie

Hello Community

 

There is parameter named powerManagement for GPU driver of i.MX6.

Could you give me a description about the PM function of i.MX6 GPU?

 

And in the GPU driver gc_hal_kernel_probe.c(linux-imx-4.1.15/drivers/mxc/gpu-viv/hal/os/linux/kernel)),

the default value for powerManagement is -1.What does -1 mean.  My understand is 0 for disable and 1 for enable.I cannot understand -1.

 

Thank you!

ZongbiaoLiao

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