Bug 499673

Summary: Laptop internal (OLED) display is not recognized as HDR-capable
Product: [Plasma] kwin Reporter: dantmnf <dantmnf2+kdebugs>
Component: platform-drmAssignee: KWin default assignee <kwin-bugs-null>
Status: CONFIRMED ---    
Severity: normal CC: diyuser1982, nate, xaver.hugl
Priority: NOR    
Version First Reported In: 6.2.5   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: drm_info
kscreen-doctor
EDID dump

Description dantmnf 2025-02-08 09:15:54 UTC 
SUMMARY
The internal (OLED) display of Asus Zenbook S 14 notebook is not recognized as HDR-capable by kwin.

STEPS TO REPRODUCE
1. Start Plasma Wayland session
2. Attempt to turn on HDR

OBSERVED RESULT
In the Display & Monitor section of Settings, there is no option to enable HDR.

EXPECTED RESULT
In the Display & Monitor section of Settings, there should be option to enable HDR.

SOFTWARE/OS VERSIONS
Windows: HDR is functioning properly.
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: 6.13.1-arch1-1
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.2

ADDITIONAL INFORMATION
HDR for external display works as it should be.
Comment 1 dantmnf 2025-02-08 09:16:31 UTC 
Created attachment 178069 [details]
drm_info
Comment 2 dantmnf 2025-02-08 09:16:56 UTC 
Created attachment 178070 [details]
kscreen-doctor
Comment 3 dantmnf 2025-02-08 09:17:15 UTC 
Created attachment 178071 [details]
EDID dump
Comment 4 Zamundaaa 2025-02-10 16:45:39 UTC 
That EDID only says it's HDR capable in the DisplayID extension bits, which libdisplay-info doesn't parse yet. Once that's fixed, this should work.
Comment 5 Zamundaaa 2025-02-10 17:32:56 UTC 
Git commit 979e1b88c7e6df635ea877035ec72ca1ea90a6bb by Xaver Hugl.
Committed on 10/02/2025 at 16:59.
Pushed by zamundaaa into branch 'master'.

utils/edid: port to higher level libdisplayinfo API for colorimetry information

M  +17   -33   src/utils/edid.cpp

https://invent.kde.org/plasma/kwin/-/commit/979e1b88c7e6df635ea877035ec72ca1ea90a6bb
Comment 6 Zamundaaa 2025-05-21 14:21:26 UTC 
*** Bug 502017 has been marked as a duplicate of this bug. ***