How do you get HDMI output to show in portrait instead of landscape?

[alexanderchung]

When HDMI video output is used, Android always displays in landscape mode. How can I get it to show up in portrait mode instead? Is there somewhere in the kernel source I can modify to accomplish this? Or perhaps a setting that needs to be changed?

i.MX6Q SabreAuto

Android 4.3 image

1400x1050 screen resolution

Thanks.

[jamesbone]

Hello Alexander,

Check this out, HDMI Rotation of Android Jelly Bean

Have a great day,
Jaime

-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

[alexanderchung]

Okay, so it does appear to work when both lvds and hmdi are specified. I was using hdmi only, and the setting had no effect.

The problem now is that even though it is portrait, it is not using the full size of the display. It has been shrunk down and centered on the hdmi display. Basically it's black on the top and bottom, with a small display frame in the middle. The lvds display is in still landscape.

Any help would be greatly appreciated.

Thanks,

Alex

[alexanderchung]

I tried that, but it doesn't appear to have any effect.