default or selected kernelversion does not have config value CONFIG_FB_OMAP_031M3R.
Result is shown for kernelversion 6.2.5

640 x 480 @ 60 Hz Reduced blanking

configname: CONFIG_FB_OMAP_031M3R

Screen resolution
└─>640 x 480 @ 60 Hz Reduced blanking
In linux kernel since version 2.6.32 (release Date: 2009-12-02)