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AM62P: HDMI as Default Output on AM62P Android 15 Causing Infinite Resets if not HDMI connected

Jack
Mastermind 9105 points
Part Number: AM62P

Tool/software:

Hi AM62P Champ !

We've observed that your AM62P board running Android 15 defaults to HDMI output. When we don't plug in an HDMI cable, the device goes into an infinite reset loop.

We're asking if this behavior is normal.

Could you please let us know how to fix the reset problem?

Thanks.

Best Regards,

Jack

  • 0
    TI__Mastermind 33390 points

    Hi Jack,

    A display connection is mandatory for Android to boot.

    Regards,
    Vishal

  • 0
    TI__Prodigy 60 points

    Hi Jack,

    The behavior is not expected, the problem comes from the drm hwc crashing when no screen is attached. 

    The issue is fixed upstream, to get the update, you need to update the drm_hwcomposer and rebuild the BSP.

    From the root of the android tree, you can go to "external/drm_hwcomposer" and manually check out this commit: df1816f6580ee6bfadcf42962d92d1a1d7583ac0

    Let me know if this works.

    Regards,

    Maxime