https://bugs.kde.org/show_bug.cgi?id=500295
Bug ID: 500295
Summary: Color profile option "Built-in" does not work anymore
Classification: Plasma
Product: kwin
Version: 6.3.0
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
First reported on Reddit, Zamundaaa replied to my post. Reply: "I added some
safety checks to make sure the built in color profile is sane; maybe they're
too restrictive. Please make a bug report for KWin about this, and attach the
EDID of the screen there."
Summary: By default, KDE Plasma uses "None", which in my laptop makes the
colors appear undersaturated. In Plasma 6.2.5, I noticed that by using the
option "Built-in" it made the colors appear normal compared to my iPhone. So
after I upgraded to Plasma 6.3, I noticed both options look exactly the same.
My laptop is Acer Nitro AN515-57. I tried looking for an ICC profile on the
internet but I couldn't find it. On Fedora 41, running Wayland.
I don't really know anything about EDID so I asked ChatGPT to provide commands
to get it, so I think this is it:
edid-decode (hex):
00 ff ff ff ff ff ff 00 06 af 90 af 00 00 00 00
08 1e 01 04 a5 22 13 78 03 3e 85 91 56 59 91 28
1f 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 34 8a 80 a0 70 38 64 40 6c 30
35 00 58 c1 10 00 00 18 dc 37 80 a0 70 38 3e 40
6c 30 35 00 58 c1 10 00 00 18 00 00 00 fd 00 3c
90 a5 a5 22 01 0a 20 20 20 20 20 20 00 00 00 fe
00 42 31 35 36 48 41 4e 30 38 2e 34 20 0a 00 b5
----------------
Block 0, Base EDID:
EDID Structure Version & Revision: 1.4
Vendor & Product Identification:
Manufacturer: AUO
Model: 44944
Made in: week 8 of 2020
Basic Display Parameters & Features:
Digital display
Bits per primary color channel: 8
DisplayPort interface
Maximum image size: 34 cm x 19 cm
Gamma: 2.20
Supported color formats: RGB 4:4:4
First detailed timing includes the native pixel format and preferred
refresh rate
Display supports continuous frequencies
Color Characteristics:
Red : 0.5664, 0.3388
Green: 0.3505, 0.5683
Blue : 0.1582, 0.1210
White: 0.3134, 0.3291
Established Timings I & II: none
Standard Timings: none
Detailed Timing Descriptors:
DTD 1: 1920x1080 144.149283 Hz 16:9 170.096 kHz 353.800000 MHz
(344 mm x 193 mm)
Hfront 108 Hsync 48 Hback 4 Hpol N
Vfront 3 Vsync 5 Vback 92 Vpol N
DTD 2: 1920x1080 60.201401 Hz 16:9 68.750 kHz 143.000000 MHz
(344 mm x 193 mm)
Hfront 108 Hsync 48 Hback 4 Hpol N
Vfront 3 Vsync 5 Vback 54 Vpol N
Display Range Limits:
Monitor ranges (Range Limits Only): 60-144 Hz V, 165-165 kHz H, max
dotclock 340 MHz
Alphanumeric Data String: 'B156HAN08.4 '
Checksum: 0xb5
I'm also attaching here the return of kscreen-doctor -o, in case it helps
debugging:
Output: 1 eDP-1
enabled
connected
priority 1
Panel
Modes: 1:1920x1080@144*! 2:1920x1080@60 3:1280x1024@60
4:1024x768@60 5:1280x800@60 6:1920x1080@60 7:1600x900@60 8:1368x768@60
9:1280x720@60
Geometry: 0,0 1536x864
Scale: 1.25
Rotation: 1
Overscan: 0
Vrr: Automatic
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: EDID
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 60% and dimming to 100%
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