linux4.1.15移植后LCD不正常显示的原因！

backlight supply power not found, using dummy regulator
MIPI DSI driver module loaded
MIPI DSI driver module loaded
21c8000.lcdif supply lcd not found, using dummy regulator 
mxsfb21c8000.lcdif: failed to find mxc display driver

控制台打印如上信息。