linux无可用分辨率,关于部分显示器无法使用原生分辨率的解决办法

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Modeline 的语法与其解释如下:

例如:

# 2560×1440 @ 60.00 Hz (GTF) hsync: 89.40 kHz; pclk: 311.83 MHz

Modeline “2560x1440_60.00” 311.83 2560 2744 3024 3488 1440 1441 1444 1490 -HSync +Vsync

详细含义为

1: [H PIXELS RND] : 2560.000000

2: [V LINES RND] : 1440.000000

3: [V FIELD RATE RQD] : 60.000000

4: [TOP MARGIN (LINES)] : 0.000000

5: [BOT MARGIN (LINES)] : 0.000000

6: [INTERLACE] : 0.000000

7: [H PERIOD EST] : 11.184363

8: [V SYNC+BP] : 49.000000

9: [V BACK PORCH] : 46.000000

10: [TOTAL V LINES] : 1490.000000

11: [V FIELD RATE EST] : 60.007079

12: [H PERIOD] : 11.185682

13: [V FIELD RATE] : 60.000000

14: [V FRAME RATE] : 60.000000

15: [LEFT MARGIN (PIXELS)] : 0.000000

16: [RIGHT MARGIN (PIXELS)] : 0.000000

17: [TOTAL ACTIVE PIXELS] : 2560.000000

18: [IDEAL DUTY CYCLE] : 26.644295

19: [H BLANK (PIXELS)] : 928.000000

20: [TOTAL PIXELS] : 3488.000000

21: [PIXEL FREQ] : 311.827200

22: [H FREQ] : 89.400000

17: [H SYNC (PIXELS)] : 280.000000

18: [H FRONT PORCH (PIXELS)] : 184.000000

36: [V ODD FRONT PORCH(LINES)] : 1.000000