https://bugs.kde.org/show_bug.cgi?id=477016

renne...@protonmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |renne...@protonmail.com

--- Comment #17 from renne...@protonmail.com ---
I can reproduce this on my 360 Hz Monitor (Dell AW2725DF) with Adaptive Sync
set to automatic. It does not show when I record the screen with OBS.

It happens when I right click a Firefox Picture-In-Picture YouTube video that
is fullscreened/maximized/double clicked and the context menu, that would
otherwise show up when clicking on a title bar pops up.
Also happens on fullscreened KeepassXC, systemsettings, bottles, chromium,
steam when I move the mouse cursor on the window.
HDR is turned on. I lowered the brightness with the powerdevil applet.

The color of the window also changes depending if its fullscreened or not.

It seems like it wants to be brighter (back to 100%) for a short amount of time
and then remembers to lower the brightness thus resulting in a flicker?


When I activate the show fps effect it flickers only when I trigger full screen
(I bound it to keyboard).


When I disable HDR/use 100% Brightness with HDR the flicker is way more subtle.

When I disable adaptive sync the supposed HDR/Brightness issues go away.
When I set it to "always" the flicker is like twice as bad.

Is this still the same bug or unrelated will open a bug if necessary.

Will happily logs.

Operating System: Bazzite 41
KDE Plasma Version: 6.2.2
KDE Frameworks Version: 6.7.0
Qt Version: 6.8.0
Kernel Version: 6.11.5-307.bazzite.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Graphics Processor: AMD Radeon RX 6750 XT

Output: 1 DP-2
enabled
connected
priority 1
DisplayPort
Modes:  1:2560x1440@60!  2:2560x1440@360*  3:2560x1440@240  4:2560x1440@144 
5:2560x1440@120  6:1920x1200@60  7:1920x1080@240  8:1920x1080@120 
9:1920x1080@120  10:1920x1080@60  11:1920x1080@6012:1920x1080@60 
13:1920x1080@50  14:1920x1080@30  15:1920x1080@30  16:1920x1080@25 
17:1920x1080@24  18:1920x1080@24  19:1600x1200@60  20:1680x1050@60 
21:1600x900@60  22:1280x1024@75  23:1280x1024@60  24:1440x900@60 
25:1280x800@60  26:1152x864@75  27:1280x720@60  28:1280x720@60  29:1280x720@50 
30:1024x768@75  31:1024x768@60  32:800x600@75  33:800x600@60  34:720x576@50 
35:720x480@60  36:720x480@60  37:720x480@60  38:720x480@60  39:640x480@75 
40:640x480@60  41:640x480@60  42:640x480@60  43:720x400@70  44:1600x1200@60 
45:1280x1024@60  46:1024x768@60  47:1920x1200@60  48:1280x800@60 
49:2560x1440@60  50:1920x1080@60  51:1600x900@60  52:1368x768@60 
53:1280x720@60
Geometry: 0,0 2048x1152
Scale: 1.25
Rotation: 1
Overscan: 0
Vrr: Automatic
RgbRange: unknown
HDR: enabled
SDR brightness: 465 nits
SDR gamut wideness: 100%
Peak brightness: 465 nits
Max average brightness: 277 nits
Min brightness: 0.0003 nits
Wide Color Gamut: enabled
ICC profile: none
Color profile source: sRGB
Brightness control: supported, set to 100%

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