[meta-freescale] Freescale i.MX6 SabreSD vs 1024x768 over HDMI

Jean-Michel Hautbois jhautbois at gmail.com
Tue Jul 22 09:00:51 PDT 2014


2014-07-22 17:47 GMT+02:00  <zboszor at pr.hu>:
>>2014-07-22 16:57 GMT+02:00  <zboszor at pr.hu>:
>>> Hi,
>>>
>>> how can I set 1024x768 for a HDMI-connected monitor for the board in
>>> $SUBJECT?
>>
>>Is it a true HDMI monitor or are you using a HDMI-DVI connector ?
>>
>>JM
>
> HDMI-DVI converter cable. DVI-D connector on the monitor.
>
> Thanks,
> Zoltán Böszörményi
>
>

I tested and the monitor switches its resolution. During splash
screen, it is indeed in 1024x768, but when init is done, it switches
back to 640x480. It does the same if I ask for another resolution.

cat /sys/class/graphics/fb0/modes
V:640x480p-60
V:640x480p-60

I am also using a DVI-HDMI connector.
When using a true HDMI monitor, I get :
 cat /sys/class/graphics/fb0/modes
S:1920x1080p-50
S:1440x576p-50
S:1280x720p-50
S:720x576p-50
S:720x576p-50
S:1920x1080p-60
S:1280x720p-60
S:720x480p-60
S:720x480p-60
S:640x480p-60
V:640x480p-60
D:1920x1080p-60
V:640x480p-60


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