Linux修改螢幕解析度至2K
阿新 • • 發佈：2018-12-09
- 使用命令：cvt,與 xrandr
- 使用cvt命令檢視解析度配置： Modeline後邊分別是 modeName 以及 詳細的配置
[email protected]:~$ cvt 2560 1440 60 # 2560x1440 59.96 Hz (CVT 3.69M9) hsync: 89.52 kHz; pclk: 312.25 MHz Modeline "2560x1440_60.00" 312.25 2560 2752 3024 3488 1440 1443 1448 1493 -hsync +vsync [email protected]-270E5G-270E5U:~$
- xrandr檢視當前顯示模式明細
[email protected]:~$ xrandr Screen 0: minimum 8 x 8, current 3286 x 1080, maximum 16384 x 16384 LVDS-1-1 connected 1366x768+1920+0 (normal left inverted right x axis y axis) 309mm x 174mm 1366x768 60.00*+ 1360x768 59.80 59.96 1280x720 60.00 59.99 59.86
59.74 1024x768 60.04 60.00 960x720 60.00 928x696 60.05 896x672 60.01 1024x576 59.95 59.96 59.90 59.82 960x600 59.93 60.00 960x540 59.96 59.99 59.63 59.82 800x600 60.00 60.32 56.25 840x525 60.01 59.88 864x48659.92 59.57 800x512 60.17 700x525 59.98 800x450 59.95 59.82 640x512 60.02 720x450 59.89 700x450 59.96 59.88 640x480 60.00 59.94 720x405 59.51 58.99 684x384 59.88 59.85 680x384 59.80 59.96 640x400 59.88 59.98 576x432 60.06 640x360 59.86 59.83 59.84 59.32 512x384 60.00 512x288 60.00 59.92 480x270 59.63 59.82 400x300 60.32 56.34 432x243 59.92 59.57 320x240 60.05 360x202 59.51 59.13 320x180 59.84 59.32 VGA-1-1 disconnected (normal left inverted right x axis y axis) HDMI-1-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 597mm x 336mm 1920x1080 60.00* 60.00 50.00 59.94 30.00 25.00 24.00 29.97 23.98 1920x1080i 60.00 50.00 59.94 1680x1050 59.88 1600x900 60.00 1280x1024 75.02 60.02 1280x800 59.91 1152x864 75.00 1280x720 60.00 50.00 59.94 1024x768 75.03 60.00 832x624 74.55 800x600 75.00 60.32 720x576 50.00 720x480 60.00 59.94 720x480i 60.00 59.94 640x480 75.00 60.00 59.94 720x400 70.08 DP-1-1 disconnected (normal left inverted right x axis y axis) 2560x1440_60.00 (0x4fd) 312.250MHz -HSync +VSync h: width 2560 start 2752 end 3024 total 3488 skew 0 clock 89.52KHz v: height 1440 start 1443 end 1448 total 1493 clock 59.96Hz [email protected]-270E5G-270E5U:~$ - 使用xrandr 建立新的顯示模式
[email protected]:~$ xrandr --newmode "2560x1440_60.00" 312.25 2560 2752 3024 3488 1440 1443 1448 1493 -hsync +vsync [email protected]-270E5G-270E5U:~$
- 新增新的顯示模式到制定埠，這裡是 “HDMI-1-1”
[email protected]:~$ xrandr --addmode HDMI-1-1 "2560x1440_60.00" [email protected]-270E5G-270E5U:~$
- 再次檢視 顯示配置項明細：
[email protected]:~$ xrandr Screen 0: minimum 8 x 8, current 3286 x 1080, maximum 16384 x 16384 LVDS-1-1 connected 1366x768+1920+0 (normal left inverted right x axis y axis) 309mm x 174mm 1366x768 60.00*+ 1360x768 59.80 59.96 1280x720 60.00 59.99 59.86 59.74 1024x768 60.04 60.00 960x720 60.00 928x696 60.05 896x672 60.01 1024x576 59.95 59.96 59.90 59.82 960x600 59.93 60.00 960x540 59.96 59.99 59.63 59.82 800x600 60.00 60.32 56.25 840x525 60.01 59.88 864x486 59.92 59.57 800x512 60.17 700x525 59.98 800x450 59.95 59.82 640x512 60.02 720x450 59.89 700x450 59.96 59.88 640x480 60.00 59.94 720x405 59.51 58.99 684x384 59.88 59.85 680x384 59.80 59.96 640x400 59.88 59.98 576x432 60.06 640x360 59.86 59.83 59.84 59.32 512x384 60.00 512x288 60.00 59.92 480x270 59.63 59.82 400x300 60.32 56.34 432x243 59.92 59.57 320x240 60.05 360x202 59.51 59.13 320x180 59.84 59.32 VGA-1-1 disconnected (normal left inverted right x axis y axis) HDMI-1-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 597mm x 336mm 1920x1080 60.00* 60.00 50.00 59.94 30.00 25.00 24.00 29.97 23.98 1920x1080i 60.00 50.00 59.94 1680x1050 59.88 1600x900 60.00 1280x1024 75.02 60.02 1280x800 59.91 1152x864 75.00 1280x720 60.00 50.00 59.94 1024x768 75.03 60.00 832x624 74.55 800x600 75.00 60.32 720x576 50.00 720x480 60.00 59.94 720x480i 60.00 59.94 640x480 75.00 60.00 59.94 720x400 70.08 2560x1440_60.00 59.96 DP-1-1 disconnected (normal left inverted right x axis y axis) 2560x1440_60.00 (0x4fd) 312.250MHz -HSync +VSync h: width 2560 start 2752 end 3024 total 3488 skew 0 clock 89.52KHz v: height 1440 start 1443 end 1448 total 1493 clock 59.96Hz [email protected]-270E5G-270E5U:~$
- 發現 HDMI-1-1中已經多了該選項，即可進入顯示設定進行解析度更改了。
注意：HDMI版本過低是支援不到2K解析度的，所以即使出現了配置項也不行。所以設定前先確定你的顯示卡是否能夠支援到這麼高的解析度，還有輸出介面規範。