provide legacy framebuffer /dev/fb0

modulename: imx-fbdev.ko

configname: CONFIG_DRM_IMX_FB_HELPER

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>provide legacy framebuffer /dev/fb0
In linux kernel since version 3.1 (release Date: 2011-10-24)  
The DRM framework can provide a legacy /dev/fb0 framebuffer
for your device. This is necessary to get a framebuffer console
and also for appplications using the legacy framebuffer API

source code:
drivers/staging/imx-drm/imx-fbdev.c