I'd like to send screen signal to HDMI with "always on".

[yibhan]

Hi guys,

As my subject, I'd like to send screen signal to HDMI always, not just only when hdmi connecter is on.

For that, I should set a fixed screen resolution.

Do you have any guidance for modifying kernel driver for hdmi?

Thank you

[igorpadykov]

Hi Yibeom

one can look at boundary devices dvi archives

https://boundarydevices.com/dvi-support-on-i-mx6-boards/ 

and make modifications to hdm driver, description can be found in

i.MX Linux Reference Manual

Best regards
igor
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