i.MX6 color format for IPU graphic combining.

[satoshishimoda]

Hi community,

I want to confirm what color format is usable for graphic combining in IPU.

According to IMX6DQRM (Rev.2), supported input format is written as below.

In chapter 37.1.2.1.4.2 (DP), "Format: YUVA/RGBA, non-decimated, 8 bits/value"

In chapter 37.1.2.1.5.2 (VDIC),  "Pixel format: RGB/YUV 4:2:2, 8 bits/value"

In cahpter 37.1.2.1.5.3 (IC), "Pixel format: YUV/RGB, 8 bits/value"

[Q1]

I understand DP and IC can combine YUV444, YUV420, and YUV400 also since these format are less than 8 bits/value, right?

[Q2]

I understand VDIC is not supported YUV444, YUV422, and YUV400 even though these format are less than 8 bits/value, right?

Best Regards,

Satoshi Shimoda

[igorpadykov · Accepted solution]

Hi Satoshi

1. description below:

chapter 37.1.2.1.4.2 (DP), "Format: YUVA/RGBA, non-decimated, 8 bits/value"

cahpter 37.1.2.1.5.3 (IC), "Pixel format: YUV/RGB, 8 bits/value"

means that supported only these formats.

Regarding "less than 8 bits/value" - description also states:

"non-decimated", 8 bits/value - so not supported.

2. description below:

cahpter 37.1.2.1.5.3 (IC), "Pixel format: YUV/RGB, 8 bits/value"

means that YUV444 is supported. YUV420, YUV400 - not.

For YUV formats it may be suggested

to read YUV - Wikipedia, the free encyclopedia

Best regards

igor

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[satoshishimoda]

Hi Igor,

Thank you for your reply, and sorry for my delay.

>1

OK, I understood that the supported format in DP and IC.

> 2

Would you let me know the supported format about VDIC also?

I have not understood well the following description.

"Pixel format: RGB/YUV 4:2:2, 8 bits/value"

RGB888 and YUV422 are supported even though YUV422 is not 8 bits/value?

Best Regards,

Satoshi Shimoda

[igorpadykov]

Hi Satoshi

yes RGB888 and YUV422 are supported

Best regards

igor