flicker issues on imx8mq

[94393400]

Hi，

    our device use:

Android release is:  p9.0.0_2.0.0-ga

Linux version 4.14.98

    and we test find the device had an issue, the window always flicker, please see the mp4 files in the attachment.

 How to analysis this problem? I saw another OEM also had this flicker problem.

Do you have some patch?

[igorpadykov]

Hi zhulin

what processor used in the case, please try to reproduce issue

on NXP reference board with Demo Images from

i.MX Software and Development Tools | NXP 

Best regards
igor

[94393400]

Hi，we use Imx8M evk.The  NXP reference board was not in our company.  we will buy one recently.

[igorpadykov]

one can add additional codecs, as described in sect.6 i.MX_Android_

Extended_Codec_Release_Notes.pdf Android P9.0.0_2.0.0 Documentation

Best regards
igor

[94393400]

we find a phenomenon is when we used the adb to screenrecord ,the flicker was disappeared.

adb shell screenrecord /sdcard/tt.mp4

why? please help me to fix this issue.Many thanks.