[meta-freescale] No HDMI signal from Nitrogen6x board with daisy

Otavio Salvador otavio at ossystems.com.br
Fri May 23 05:16:19 PDT 2014


On Fri, May 23, 2014 at 4:23 AM, Peter Bergin <peter.bergin at tritech.se>wrote:

>   I have trouble with my Nitrogen6x board after upgrade to daisy build. I
> can not get any HDMI signal out of the board after boot. During boot u-boot
> can show content on screen but when booted the monitor does not detect the
> signal.
>
> I have updated to u-boot 2014.04. I have tried with the pre-built image
> found at Boundary Devices with same result as my own build.
>
> I see this printout on the console after boot:
> mxc_sdc_fb fb.27: timeout when waiting for flip irq
> mxc_sdc_fb fb.27: MXCFB_WAIT_FOR_VSYNC: timeout 0
> mxc_sdc_fb fb.27: timeout when waiting for flip irq
> mxc_sdc_fb fb.27: MXCFB_WAIT_FOR_VSYNC: timeout 0
> mxc_sdc_fb fb.27: timeout when waiting for flip irq
> mxc_sdc_fb fb.27: MXCFB_WAIT_FOR_VSYNC: timeout 0
>
> I have also posted a, still unanswered, question on the Freescale
> community page (https://community.freescale.com/message/405002).
>
> Any help is really appreciated! Any ideas?
>

I think it might be your monitor do not support the frequency it is using.

I am adding Eric in Cc so he can comment on this.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750
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