默认hdmi输出720p设置 [disp] disp_init_enable = 1 disp_mode = 0 screen0_output_type = 3 screen0_output_mode = 4 screen0_output_format = 1 screen0_output_bits = 0 screen0_output_eotf = 4 screen0_output_cs = 257 screen0_output_dvi_hdmi = 2 screen0_output_range = 2 screen0_output_scan = 0 screen0_output_aspect_ratio = 8 screen1_output_type = 3 screen1_output_mode = 2 screen1_output_format = 1 screen1_output_bits = 0 screen1_output_eotf = 4 screen1_output_cs = 260 screen1_output_dvi_hdmi = 2 screen1_output_range = 2 screen1_output_scan = 0 screen1_output_aspect_ratio = 8 dev0_output_type = 4 dev0_output_mode = 4 dev0_screen_id = 0 dev0_do_hpd = 1 dev1_output_type = 2 dev1_output_mode = 11 dev1_screen_id = 1 dev1_do_hpd = 1 dev2_output_type = 0 def_output_dev = 0 hdmi_mode_check = 1 fb0_format = 0 fb0_width = 1280 fb0_height = 720 fb1_format = 0 fb1_width = 0 fb1_height = 0 disp_para_zone = 1

4.1 设置默认输出分辨率 在板级 dts 文件的 hdmi 节点里添加 rockchip,defaultmode = ，值可 以在 rockchip-hdmi.h 的 hdmi_video_infomation_code 中查到相应值。例如，设置默认分