[Bug] External monitor fails to wake up from powersave mode if refresh rate is higher than 30Hz

Just a data point, this issue has gone away with 550.144 of the nvidia drivers, it is still present on 570.
The display is a HDR display, and I am not sure whether it makes any difference that HDR is enabled on this display at 144Hz. All I know is that it does not wake up properly from sleep when the display rate is higher than 30Hz with the 570 version of nvidia’s drivers