AnsweredAssumed Answered

HDMI clock gating

Question asked by NIRMAL LUHANA on Sep 10, 2019
Latest reply on Sep 24, 2019 by igorpadykov

Hello,

 

Release: Yocto-Sumo (4.14.78_1.0.0_GA)

Board: i.MX8MQ based custom board

 

We are getting radiation from our board at 297 & 594 MHz frequencies, which is used by HDMI interface.

We want to disable DISPLAY_HDMI_CLK_ROOT on our board to stop the radiation of above frequencies. We already disabled HDMI interface from dts file.

Although, we are getting above clock frequencies and it is radiating due to PLL in the processor.

 

How we can completely disable the DISPLAY_HDMI_CLK_ROOT from PLL?

 

Best regards,

Nirmal

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