HDMI display port adapters no longer work in steam gamemode (desktop works fine)

my tv shows a black screen whenever trying to accses steam game mode. I think it maybe the resolution steam is trying to run out. Is there anyway to force steam to run at a certain resolution or force a "safe mode"? I noticed on my deck that in display settings there is an option for a "safe mode" but I can't accses it on my pc because I get no output and the option dosn't seem to be available on the desktop Sys info: https://paste.centos.org/view/1b982d0c
Solution:
This has to do with the EDID probe bits in gamescope session ; remove .confg/gamescope
Jump to solution
12 Replies
zany130
zany1304w ago
huh wonder if bazzite supports chimeras gamesscope options file https://github.com/ChimeraOS/gamescope-session#user-configuration
GitHub
GitHub - ChimeraOS/gamescope-session: ChimeraOS session on Gamescop...
ChimeraOS session on Gamescope - Own personal repository, issues and forks should be made on ChimeraOS/gamescope-session - ChimeraOS/gamescope-session
zany130
zany1303w ago
nope doesn't work.... The hell tried tried resetting steam by moving .local/share/Steam Somewhere else And it still black screens So the default steam config is also broken Turns out it's the HDMI display port adapter Steam gamemode no longer works with it but desktop mode does :thonk:
zany130
zany1303w ago
I really really hate the HDMI forum
No description
zany130
zany1303w ago
@Kyle Gospo sorry for bugging u so much but is there any diffrence between what bazzite game mode does and just launching steam in a gamescope tty like this gamescope -O DP-2 -w 2560 -h 1440 -W 3840 -H 2160 -r 120 -o 30 -f -e -F fsr -S auto --fsr-sharpness 2 -- mangohud steam ? running it like that fixes the black screen problem even when using a DP -> HDMI adapter
Kyle Gospo
Kyle Gospo3w ago
can look at how the session is done at https://github.com/ChimeraOS/gamescope-session
GitHub
GitHub - ChimeraOS/gamescope-session: ChimeraOS session on Gamescop...
ChimeraOS session on Gamescope - Own personal repository, issues and forks should be made on ChimeraOS/gamescope-session - ChimeraOS/gamescope-session
zany130
zany1303w ago
oh its the same as chimera's? I thought there where bazzite specfic tweaks
Kyle Gospo
Kyle Gospo3w ago
very minor none applied to an HTPC and most upstreamed by now
Solution
aenertia
aenertia3w ago
This has to do with the EDID probe bits in gamescope session ; remove .confg/gamescope
zany130
zany1303w ago
so pretty much there no diffrence betwen what I am doing and what gamescope session is doing except the upscaling part
aenertia
aenertia3w ago
Also if your monitor/tv has a 'gamemode' setting . Turn it off
zany130
zany1303w ago
ok let me try that
zany130
zany1303w ago
Yup that was it 🙏
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