Default to manual update mode


Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Frame buffer Devices
└─>Default to manual update mode
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  
Say Y here, if your user-space applications are capable of
notifying the frame buffer driver when a change has occurred in
the frame buffer content and thus a reload of the image data to
the external frame buffer is required. If unsure, say N.