Re: [PATCH v1 4/4] drm/tegra: plane: Add custom CSC BLOB property

[Dmitry Osipenko]

On 17.04.2018 12:01, Daniel Vetter wrote:
> On Mon, Apr 16, 2018 at 03:16:28PM +0300, Dmitry Osipenko wrote:
>> This new property allows userspace to apply custom color conversion
>> coefficients per plane, making possible to utilize display controller
>> for color adjustments of a video overlay.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> 
> Same here, this needs corresponding userspace:
> 
> https://dri.freedesktop.org/docs/drm/gpu/drm-uapi.html#open-source-userspace-requirements
> 
> And again there's even more people who discussed extending the existing
> color management support for crtcs to planes. I think we definitely want a
> standard interface for this, not each driver doing their own thing.

Could you please point me to where that discussion is happening?