Color mode exposed to user space?

[Pekka Paalanen]

On Thu, 25 Mar 2021 12:12:09 -0400
Alex Deucher <alexdeucher at gmail.com> wrote:

> + dri-devel
> 
> I don't think it's currently exposed anywhere.
> 
> Alex
> 
> On Wed, Mar 24, 2021 at 5:11 AM Werner Sembach <wse at tuxedocomputers.com> wrote:
> >
> > Hello,
> >
> > is the information which color mode is currently in used for a display (RGB, YCbCr444, or YCbCr420) exposed to user space somewhere?
> >
> > If no: Where would be the best place to put code to expose it to sysfs?

Hi,

a very good question. Wayland compositors implementing color management
will be interested to know this, and even better, to explicitly control
this.

See e.g. Color Calibration Auditing System notes in
https://gitlab.freedesktop.org/wayland/weston/-/issues/467 .


Thanks,
pq
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