I've come across a small handfull of search results regarding the modification for custom defined resolutions/hdmi modes.. I just haven't come across the information I need to set this new display up properly.
I am new to the Pi (~4 weeks) and do not know what potential consequences may exist if I just start punching text into config files and seeing what happens.
The display I have is 1920X720 native resolution.
In 1920X1080, 50Hz mode, she displays just fine with the exception of the image being vertically stretched, which was expected. I've run it at lower resolution selections in the Raspberry Pi Configuration without any errors.. Obviously the image just isn't properly scaled to its true resolution.
What exactly needs to be done to the configuration of the RPi3 B v1.2 to enable it to function with this particular screen resolution?
Thanks!
-Ash