https://bugs.kde.org/show_bug.cgi?id=504677
Bug ID: 504677
Summary: EDID section of KInfocenter doesn't show any
information of my laptop screen
Classification: Applications
Product: kinfocenter
Version First 6.3.5
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: kinetoc...@hotmail.it
CC: sit...@kde.org
Target Milestone: ---
Hi!
I'm opening this report because i'm not sure if it's a bug or not. I'm using
Fedora KDE 42 up-to-date on both my desktop and my laptop. On the EDID section
of KInfocenter on my desktop, it shows me all the informations about my monitor
connected to my GPU, so far so good.
On my laptop, an HP 255 G9, the section is empty, with a message saying that
there is no data. Here the informations about my laptop:
Operating System: Fedora Linux 42
KDE Plasma Version: 6.3.5
KDE Frameworks Version: 6.14.0
Qt Version: 6.9.0
Kernel Version: 6.14.6-300.fc42.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5625U with Radeon Graphics
Memory: 14.9 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: HP
Product Name: HP 255 15.6 inch G9 Notebook PC
System Version: Type1ProductConfigId
I've gathered all the informations about my monitor with different tools via
terminal:
----------------------------------------------------------------------------------------------------
kscreen-doctor --outputs
Output: 1 eDP-1
enabled
connected
priority 1
Panel
Modes: 1:1920x1080@60*! 2:1920x1080@40 3:1680x1050@60
4:1280x1024@60 5:1440x900@60 6:1280x800@60 7:1280x720@60 8:1024x768@60
9:800x600@60 10:640x480@60 11:1280x1024@60 12:1024x768@60 13:1280x800@60
14:1920x1080@60 15:1600x900@60 16:1368x768@60 17:1280x720@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: EDID
Color power preference: prefer accuracy
Brightness control: supported, set to 30% and dimming to 100%
----------------------------------------------------------------------------------------------------
monitor-edid
EISA ID: AUO499f
EDID version: 1.4
EDID extension blocks: 0
Screen size: 34.4 cm x 19.4 cm (15.55 inches, aspect ratio 16/9 = 1.77)
Gamma: 2.2
Digital signal
# Monitor preferred modeline (60.1 Hz vsync, 67.1 kHz hsync, ratio
16/9, 141 dpi)
ModeLine "1920x1080" 141 1920 2028 2076 2100 1080 1090 1100 1118 -hsync
-vsync
# Monitor supported modeline (40.0 Hz vsync, 44.8 kHz hsync, ratio
16/9, 141 dpi)
ModeLine "1920x1080" 94 1920 2028 2076 2100 1080 1090 1100 1118 -hsync
-vsync
----------------------------------------------------------------------------------------------------
xrandr --props
Screen 0: minimum 16 x 16, current 1920 x 1080, maximum 32767 x 32767
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 344mm x 194mm
RANDR Emulation: 1
non-desktop: 0
supported: 0, 1
1920x1080 60.05*+
1440x1080 59.99
1400x1050 59.98
1280x1024 59.89
1280x960 59.94
1152x864 59.96
1024x768 59.92
800x600 59.86
640x480 59.38
320x240 59.52
1680x1050 59.95
1440x900 60.03
1280x800 59.99
1152x720 59.97
960x600 59.96
928x580 59.88
800x500 59.50
768x480 59.90
720x480 59.71
640x400 59.95
320x200 58.96
1600x900 59.95
1368x768 59.88
1280x720 59.86
1024x576 59.90
864x486 59.92
720x400 59.55
640x350 59.77
----------------------------------------------------------------------------------------------------
If i try to dump and decode the EDID with "xrandr --verbose | edid-decode -
dump.edid", the terminal gives me back "EDID length 6167 is not a multiple of
128.". Could it be a faulty EDID? So in this case, is it better to inform the
user with a better message?
If you need more informations/dumps, i'll gladly post them here! Thanks for all
the fantastic work on KDE!
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