sail-imx6q的uboot启动时默认选择LCD屏幕显示
sail-imx6q的uboot启动时默认选择LCD屏幕显示在启动sail-imx6q的uboot时每次总要选择LCD屏幕显示，十分麻烦，那么如何默认选择LCD屏幕显示呢? 修改/uboot/board/freescale/mx6sabresd/mx6sabresd.c文件，如图所示：修改如下部分：struct display_info_t const displays = .bus= -1,.addr= 0,.pixfmt= IPU_PIX_FMT_RGB24,.detect= NULL,.enable= enable_lvds,.mode= .name = "Hannstar-XGA",.refresh = 60,.xres = 1920,.yres = 1080,.pixclock = 6734,.left_margin = 90,.right_margin = 50,.upper_margin = 30,.lower_margin = 6,.hsync_len = 24,.vsync_len = 3,.sync = FB_SYNC_EXT,.vmode = FB_VMODE_NONINTERLACED , .bus= -1,.addr= 0,.pixfmt= IPU_PIX_FMT_RGB24,.detect= NULL,.enable= do_enable_hdmi,.mode= .name = "HDMI",.refresh = 60,.xres = 640,.yres = 480,.pixclock = 39721,.left_margin = 48,.right_margin = 16,.upper_margin = 33,.lower_margin = 10,.hsync_len = 96,.vsync_len = 2,.sync = 0,.vmode = FB_VMODE_NONINTERLACED , .bus= 0,.addr= 0,.pixfmt= IPU_PIX_FMT_RGB24,.detect= NULL,.enable= enable_rgb,.mode= .name = "SEIKO-WVGA",.refresh = 60,.xres = 800,.yres = 480,.pixclock = 29850,.left_margin = 89,.right_margin = 164,.upper_margin = 23,.lower_margin = 10,.hsync_len = 10,.vsync_len = 10,.sync = 0,.vmode = FB_VMODE_NONINTERLACED ;size_t display_count = ARRAY_SIZE(displays);修改完成后如下图所示：struct display_info_t const displays = .bus= 0,.addr= 0,.pixfmt= IPU_PIX_FMT_RGB24,.detect= NULL,.enable= enable_rgb,.mode= .name = "CLAA-WVGA",.refresh = 57,.xres = 800,.yres = 480,.pixclock = 37037,.left_margin = 40,.right_margin = 60,.upper_margin = 10,.lower_margin = 10,.hsync_len = 20,.vsync_len = 10,.sync = 0,.vmode = FB_VMODE_NONINTERLACED ,.bus= -1,.addr= 0,.pixfmt= IPU_PIX_FMT_RGB666,.detect= NULL,.enable= enable_lvds,.mode= .name = "Hannstar-XGA",.refresh = 60,.xres = 1024,.yres = 768,.pixclock = 15385,.left_margin = 220,.right_margin = 40,.upper_margin = 21,.lower_margin = 7,.hsync_len = 60,.vsync_len = 10,.sync = FB_SYNC_EXT,.vmode = FB_VMODE_NONINTERLACED , .bus= -1,.addr= 0,.pixfmt= IPU_PIX_FMT_RGB24,.detect= NULL,.enable= do_enable_hdmi,.mode= .name = "HDMI",.refresh = 60,.xres = 640,.yres = 480,.pixclock = 39721,.left_margin = 48,.right_margin = 16,.upper_margin = 33,.lower_margin = 10,.hsync_len = 96,.vsync_len = 2,.sync = 0,.vmode = FB_VMODE_NONINTERLACED ;size_t display_count = ARRAY_SIZE(displays);想要了解更多简单实用的方法就在www.dianyu.net！
