https://bugs.kde.org/show_bug.cgi?id=499901
Bug ID: 499901
Summary: Enabling HDR causes washed out colors, especially in
low brightness
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: kwin-bugs-n...@kde.org
Reporter: smi...@smirky.net
Target Milestone: ---
Created attachment 178201
--> https://bugs.kde.org/attachment.cgi?id=178201&action=edit
1-HDR-off
SUMMARY
Enabling HDR causes washed out colors, especially in low brightness
STEPS TO REPRODUCE
1. Enable HDR in Display Configuration
OBSERVED RESULT
Washed out (gray) colors, especially in low brightness.
EXPECTED RESULT
Normal colors.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.3.0
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.2
Kernel Version: 6.13.2-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 32 × AMD Ryzen 9 7950X3D 16-Core Processor
Memory: 61.9 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7E16
System Version: 1.0
ADDITIONAL INFORMATION
Monitor: Acer 277K
Output from `kscreen-doctor -o`
Output: 1 HDMI-A-1
disabled
connected
priority 0
HDMI
Modes: 1:1920x1080@60*! 2:1920x1080@60 3:1920x1080@60
4:1920x1080@50 5:1920x1080@50 6:1920x1080@30 7:1920x1080@30 8:1920x1080@24
9:1920x1080@24 10:1680x1050@60 11:1600x900@60 12:1280x1024@60
13:1440x900@60 14:1280x800@60 15:1280x720@60 16:1280x720@60 17:1280x720@60
18:1280x720@50 19:1280x720@50 20:1280x720@30 21:1280x720@30 22:1280x720@24
23:1280x720@24 24:1024x768@60 25:800x600@60 26:720x576@50 27:720x576@50
28:720x480@60 29:720x480@60 30:720x480@60 31:720x480@60 32:640x480@60
33:640x480@60 34:640x480@60 35:1280x1024@60 36:1024x768@60 37:1280x800@60
38:1920x1080@60 39:1600x900@60 40:1368x768@60 41:1280x720@60
Geometry: 0,0 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: unknown
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: ICC
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 100% and dimming to 100%
Output: 2 DP-1
enabled
connected
priority 1
DisplayPort
Modes: 42:3840x2160@60! 43:3840x2160@60* 44:3840x2160@60
45:3840x2160@50 46:3840x2160@30 47:3840x2160@30 48:3840x2160@30
49:3840x2160@25 50:3840x2160@24 51:3840x2160@24 52:2560x1440@60
53:1920x1200@60 54:1920x1080@75 55:1920x1080@60 56:1920x1080@60
57:1920x1080@60 58:1920x1080@50 59:1600x1200@60 60:1680x1050@60
61:1280x1024@60 62:1440x900@60 63:1280x960@60 64:1280x800@60 65:1280x720@60
66:1280x720@60 67:1280x720@60 68:1280x720@50 69:1024x768@60 70:800x600@60
71:800x600@56 72:720x576@50 73:720x480@60 74:720x480@60 75:720x480@60
76:720x480@60 77:640x480@60 78:640x480@60 79:640x480@60 80:1600x1200@60
81:1280x1024@60 82:1024x768@60 83:2560x1600@60 84:1920x1200@60
85:3840x2160@60 86:3200x1800@60 87:2880x1620@60 88:2560x1440@60
89:1920x1080@60 90:1600x900@60 91:1368x768@60 92:1280x720@60
Geometry: 0,0 2560x1440
Scale: 1.5
Rotation: 1
Overscan: 0
Vrr: Automatic
RgbRange: unknown
HDR: enabled
SDR brightness: 400 nits
SDR gamut wideness: 100%
Peak brightness: 400 nits
Max average brightness: 400 nits
Min brightness: 0.2929 nits
Wide Color Gamut: enabled
ICC profile: none
Color profile source: sRGB
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 38% and dimming to 100%
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