- boot
file：boot/boot1/apps/Boot_Android/BootMain.c
fun：BootMain
call：BoardInit_Display(global_info->display_device, global_info->display_mode);
- kernel
file：drives/video/sun4i
- init
file：system/core/init/init.c
fun：console_init_action
call：init_initdisplay
- SystemServer
file：frameworks/base/services/java/com/android/server/SystemServer.java
fun：run
call：
displayManager.setDisplayParameter(0, finalFormat.mOutputType, finalFormat.mFormat);
displayManager.setDisplayMode(DisplayManager.getDisplayModeForIC());