Re: [PATCH V11 31/47] drm/colorop: add BT2020/BT709 OETF and Inverse OETF

[Shengyu Qu]

Hi,




Best regards,
Shengyu

[1] https://color.org/chardata/rgb/BT2020.xalter

在 2025/8/16 3:26, Alex Hung 写道:

Thanks for reply. I guess we need to point this out in documentation or code comment? As I can see different definition somewhere like this[1].

On 8/15/25 11:54, Qu Shengyu wrote:

Hello,

What actually is this OETF? Is it power 1/2.4? Or reversed BT.1886?

https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.2020-2-201510-I!! PDF-E.pdf (Table 4?)

Best regards,
Shengyu

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