I think I managed to get something:
By adding the following HDMI display modes I managed to get 4k output on
the A31(!)
{ HDMI2160P_20, 200000000, 0, 3840, 2160, 4400, 384, 176, 118,
2250, 82, 8, 14, 0, 1, 1 },
{ HDMI2160P_25, 200000000, 0, 3840, 2160, 4100, 144, 116, 88, 2200,
32, 8, 10, 0, 1, 1 },
I actually do not get 25Hz on the second mode but 23..
On Tuesday, July 1, 2014 12:24:09 AM UTC+3, RFat wrote:
>
> Hi Martin,
>
> Thanks for your inquiry!
>
> My feeling is that there are many inconsistencies around various aspects
> of these processors. I came across the following video which talks about a
> Mele box that outputs 4k@25Hz using A31. I think they mean _output_ and not
> _playback_ (but I could be wrong..)
>
> http://armdevices.net/2014/01/04/mele-4k-player-allwinner-a31-based/
>
> Thanks again!
> RF
>
> On Monday, May 26, 2014 2:10:33 AM UTC+3, [email protected] wrote:
>>
>> Hi RFat,
>>
>> I've asked FAE of Allwinner, the answer is A31 doesn't support 2160p
>> output. :(
>>
>> Martin
>>
>> 在 2014年5月22日星期四UTC+8下午11时08分16秒，RFat写道：
>>>
>>> Hi,
>>>
>>> I wondered if anyone knows what's ther maximal output resolution the
>>> hdmi port of the allwinner A31?
>>>
>>> It has HDMI1.4 which is supposed to support 4k, but while I've seen some
>>> posts that talk about 2160p@30Hz (at the A31 wiki page for example) - most
>>> places talk about 1080p@60Hz.
>>>
>>> Thanks!
>>>
>>
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