2017-08-07 17:02 GMT+02:00 Otavio Salvador <otavio.salva...@ossystems.com.br>:
> On Mon, Aug 7, 2017 at 11:51 AM, Benjamin Federau
> <benjamin.fede...@basyskom.com> wrote:
>> Von: Otavio Salvador <otavio.salva...@ossystems.com.br>
>> Gesendet: 11.07.2017 17:16
>> Betreff: Re: [meta-freescale] Problem with touchscreen Display 1366x768 with
>> Qt 5.9 and eglfs
>>
>> On Tue, Jul 11, 2017 at 10:16 AM, Benjamin Federau
>> <benjamin.fede...@basyskom.com> wrote:
>>> the bpp was set to 16, so I set it as you wrote to 32. But the Qt
>>> application still crashes with "EGL Error : Could not create the egl
>>> surface: error = 0x3003"
>>>
>>> So on our setup a Qt application with eglfs works with a 1366x768
>>> resolution?
>>>
>>> After setting the bpp I get a Kernel message, jfyi
>>> [  198.087193] mxc_sdc_fb fb@0: 1366x768 h_sync,r,l: 40,110,220
>>> v_sync,l,u:
>>> 5,5,20 pixclock=83125000 Hz
>>>
>>> I'm not sure if I understand the thing with the burst size you mentioned.
>>
>> Are you using the Qt commercial layer?
>>
>>
>> No. I use meta-boot2qt from http://code.qt.io/cgit/yocto/meta-boot2qt.git/
>
> In this case, Qt ought to provide support for you.
>
> I don't think you need to use the commercial Qt from your description
> so if you want we, O.S. Systems, can help you. If there is interest
> please let us know and I can forward our services portfolio.

If you are using lvds I think your problem could be related to this
https://community.nxp.com/message/860347
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