How to create a normal working xorg.conf

Graphics / Linux Linux
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Generaly I just can’t make a proper working xorg.conf file.
If I use “Xorg -configure” my HDMI screen doesn’t work.
If I use “nvidida-xconfig” my X11 doesn’t work at all (instead of “amdgpu” driver for my main GPU it sets “nvidia”).

Also I can’t launch the “nvidia-settings” bocouse of the “ERROR: Unable to load info from any available system” error.

So how to create a proper working xorg.conf file ona laptop with hybryd graphics AMD+NVIDIA?
I want to use it to set the “"Coolbits" "12"” option (yes, it’s unlocked on my laptop), and try to enamble the G-Sync to try to solve my tearing issue.

nvidia-bug-report.log.gz (1.2 MB)
xorg.conf (4.0 KB) Line #7 is manually comented to make my HDMI display working at all.

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Don’t create a full xorg.conf but only a conditional config snippet, e.g.
/etc/X11/xorg.conf.d/99-nvidia-options.conf

Section "OutputClass"
    Identifier "Nvidia Options"
    MatchDriver "nvidia-drm"
    Driver "nvidia"
    Option "Coolbits" "12"
EndSection
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