sRGB clamp causes gradient banding

[amymor]

Is it normal for sRGB clamp? Of course, I was able to reduce it a bit by setting the gamma in the Nvidia control panel to 0.99.
Is there another way to clamp without banding?
gtx 1060 6GB + Nvidia driver 566.14

Also, my monitor (MSI G244pf E2 IPS) has sRGB mode in the OSD settings, which does not cause banding, but I want to avoid it for the following reason (In short, bad black level which causes black crushing):
https://www.reddit.com/r/buildapc/comments/1h5lipk/bought_a_new_monitor_help_for_gammablackcolor/

[amymor]

I extracted the default monitor profile using DisplayCAL, and used it in novideo_srgb, the result is the same (it causes banding in the dark area), but when I check the option "Calibrate gamma to sRGB", it makes the Balck level even better, but the banding in the dark area is still there, so luckily I enabled Dithering and that solves the banding, I'm new to such things, can someone explain these options to me? Is there a negative impact especially on gaming?