Bug 459402

Summary: RGB Range field cannot be seen in Display Configuration on Wayland
Product: [Plasma] KScreen Reporter: Kamil Sołtysik <kamil>
Component: commonAssignee: kscreen-bugs-null <kscreen-bugs-null>
Status: RESOLVED UPSTREAM    
Severity: normal CC: kamil, nate, xaver.hugl
Priority: NOR    
Version First Reported In: 5.25.5   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
URL: https://gitlab.freedesktop.org/drm/amd/-/issues/476
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: Display Configuration window, as seen by me

Description Kamil Sołtysik 2022-09-19 15:33:02 UTC
Created attachment 152227 [details]
Display Configuration window, as seen by me

SUMMARY

STEPS TO REPRODUCE
1.  Launch kscreen "Display Configuration" settings from configuration window

OBSERVED RESULT
No "RGB range" selection can be made, the option is not visible. RgbRange parameter cannot be changed from kscreen-doctor seemingly.

EXPECTED RESULT
"RGB range" or similar selection can be made.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch
(available in About System)
KDE Plasma Version: 5.25.5
KDE Frameworks Version:  5.98.0
Qt Version: 5.15.6

ADDITIONAL INFORMATION
I've double-checked I'm running Wayland session.
Comment 1 Nate Graham 2022-09-22 17:08:47 UTC
That means your hardware or drivers don't support this feature. If you know the hardware does, then the driver is to blame.
Comment 2 Kamil Sołtysik 2022-09-22 18:16:39 UTC
(In reply to Nate Graham from comment #1)
> That means your hardware or drivers don't support this feature. If you know
> the hardware does, then the driver is to blame.

It's AMDGPU on RX 580 - how to check whether the support is there or not? Any ideas where to play with stuff to make it work?
Comment 3 Zamundaaa 2022-09-23 18:27:30 UTC
amdgpu has no support for this yet: https://gitlab.freedesktop.org/drm/amd/-/issues/476