Fullhd resolution changes to lower when i turn off monitor

nvidia-bug-report.log.gz (703.5 KB)
After some time, i don’t exactly know how much, resolution is changed to ***
and here’s a Xorg.0.log part

[ 47077.601] (II) NVIDIA(0): Setting mode "NULL"
[ 47172.868] (--) NVIDIA(GPU-0): DFP-0: connected
[ 47172.868] (--) NVIDIA(GPU-0): DFP-0: Internal TMDS
[ 47172.868] (--) NVIDIA(GPU-0): DFP-0: 165.0 MHz maximum pixel clock
[ 47172.868] (--) NVIDIA(GPU-0): 
[ 47173.632] (II) NVIDIA(0): Setting mode "HDMI-0: nvidia-auto-select @1024x768 +0+0 {ViewPortIn=1024x768, ViewPortOut=1024x768+0+0}"
[ 47268.324] (--) NVIDIA(GPU-0): DFP-0: connected
[ 47268.324] (--) NVIDIA(GPU-0): DFP-0: Internal TMDS
[ 47268.325] (--) NVIDIA(GPU-0): DFP-0: 165.0 MHz maximum pixel clock
[ 47268.325] (--) NVIDIA(GPU-0): 
[ 47268.903] (--) NVIDIA(GPU-0): DFP-0: disconnected
[ 47268.903] (--) NVIDIA(GPU-0): DFP-0: Internal TMDS
[ 47268.903] (--) NVIDIA(GPU-0): DFP-0: 165.0 MHz maximum pixel clock
[ 47268.903] (--) NVIDIA(GPU-0): 
[ 47268.903] (--) NVIDIA(GPU-0): DFP-0: disconnected
[ 47268.903] (--) NVIDIA(GPU-0): DFP-0: Internal TMDS
[ 47268.903] (--) NVIDIA(GPU-0): DFP-0: 165.0 MHz maximum pixel clock
[ 47268.903] (--) NVIDIA(GPU-0): 

If i set up monitor to sleep all is working good, but as long as i turn it off resolution changes to lower.

My GPU is RTX 3050
Monitor is ***
HDMI connection
Kubuntu 22.04.4 LTS
I am using Nvidia driver metapackage from nvidia-driver-535 (proprietary, tested) - this one was by default.
I’ve got no /etc/X11/xorg.conf
And i can’t generate xorg.conf under the root, no matter what path i am using to save xorg.conf

(nvidia-settings:44803): GLib-GObject-CRITICAL **: 12:21:19.535: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
** Message: 12:21:19.688: PRIME: No offloading required. Abort
** Message: 12:21:19.688: PRIME: is it supported? no
Package xorg-server was not found in the pkg-config search path.
Perhaps you should add the directory containing `xorg-server.pc'
to the PKG_CONFIG_PATH environment variable
No package 'xorg-server' found
Error executing /usr/share/screen-resolution-extra/nvidia-polkit: Permission denied

ERROR: Unable to open X config file '/etc/X11/xorg.conf' for writing.

Package xorg-server was not found in the pkg-config search path.
Perhaps you should add the directory containing `xorg-server.pc'
to the PKG_CONFIG_PATH environment variable
No package 'xorg-server' found
Package xorg-server was not found in the pkg-config search path.
Perhaps you should add the directory containing `xorg-server.pc'
to the PKG_CONFIG_PATH environment variable
No package 'xorg-server' found
Error executing /usr/share/screen-resolution-extra/nvidia-polkit: Permission denied

ERROR: Unable to open X config file '/home/emoxam/xorg.conf' for writing.

I’ve got edid file but i need a good xorg.conf to add it to… if i am thinking right way…