CONFIG_FB_IOMEM_FOPS (not configurable)

modulename: fb_io_fops.ko

configname: CONFIG_FB_IOMEM_FOPS

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Frame buffer Devices
└─>FB_IOMEM_FOPS
In linux kernel since version 4.14.330 (release Date: 2023-11-20)  
source code:
drivers/video/fbdev/core/fb_io_fops.c