vddpu VPU/GPU Power

lifusong — Fri, 29 May 2015 08:21:32 GMT

Dear sir.

our board is base imx6Q , android BSP is 4.4.3_r1 Kernel version is 3.10.53 uboot version is 2014.04

why the

reg_pu: regulator-vddpu@140 {

only have voltage is 0.2v.

bud the android 4.2.2 code ,this pin's voltage is 1.265V.

any body can help me?

thans very much!

Re: vddpu VPU/GPU Power

igorpadykov — Sat, 30 May 2015 14:22:04 GMT

Hi li

reason may be that at start-up vddpu regulator is gated,

however if you run application which uses gpu, it should be turned

on, please check that. Android 4.4.3 uses different kernel version than

android 4.2.2, so behaviour is different.

Best regards

igor

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