Enable legacy fbdev support for your modesetting driver

configname: CONFIG_DRM_FBDEV_EMULATION

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Enable legacy fbdev support for your modesetting driver
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Choose this option if you have a need for the legacy fbdev
support. Note that this support also provides the linux console
support on top of your modesetting driver.

If in doubt, say "Y".