https://bugs.kde.org/show_bug.cgi?id=506090
Bug ID: 506090
Summary: Black screen when turning HDR On on Samsung Q80T TV
when TV Game Mode is Off, since plasma 6.4
Classification: Plasma
Product: kwin
Version First 6.4.0
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
I get a black screen when enabling HDR for my Samsung Q80T TV. It works fine if
TV Game Mode is On (but I keep it Off for watching movies since I have better
HDR brightness outside of Game Mode). With TV Game Mode Off, I had no issue
with plasma 6.3, and have no issue with Windows 11 and Gnome 48. TV is
connected on HDMI 2.1 port, NVIDIA card (RTX 4080).
STEPS TO REPRODUCE
1. TV Game Mode is Off (Samsung Q80T TV)
2. Turn HDR on in Plasma 6.4 ticking HDR box in Display Settings
3. Apply
OBSERVED RESULT
Black screen
EXPECTED RESULT
HDR turned On
SOFTWARE/OS VERSIONS
Operating System: CachyOS Linux (Arch based)
KDE Plasma Version: 6.4.0
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
Kernel Version: 6.15.3-2-cachyos (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-9700K CPU @ 3.60GHz
Memory: 32 Gio of RAM (31.3 Gio usable)
Graphics Processor: NVIDIA GeForce RTX 4080
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