i.MX ProcessorsのトピックRe: The ramp picture problem

The ramp picture problem

deshenggao — Mon, 21 Nov 2016 01:23:22 GMT

Dear All:

We use the i.MX6dual with the MIPI input function.

And we found that when we setting the MIPI as RGB24 format.

We will see that the test pattern RAMP picture is not smooth, you can see the green stripe.

(Please see the attach file ramp(RGB24).png),

if we changed the MIPI to YUV422 format.

You will not see the problem (Please see the attach file ramp(YUV422).png),

Which part or which register should I check?

Thank you !

Re: The ramp picture problem

jamesbone — Tue, 22 Nov 2016 17:10:56 GMT

What Camera are you using? I think the problem it is not in the MIPI interface, since when you change the format the image gets clear, so what version it is required by your camera?

Re: The ramp picture problem

deshenggao — Wed, 23 Nov 2016 01:43:47 GMT

Hi Jamesbone:

I do not use the camera. I use the signal generator . I also use the ADV7480 which can output MIPI signal supported both YUV422 and RGB888 to do the test. and only RGB888 format have this issue, so I guess that some

registers or place should be noticed in the i.MX6.

Please give me some advices .

Thank you!