我的超极本 Dell Latitude E7450 安装在 docker 工作站的顶部。我从 docker 通过 2 个 DVI 输出将视频信号发送到两个外接显示器。我的一个外接显示器在待机模式后开始闪烁。奇怪的是，重新启动 Ubuntu 后它似乎正常工作。有什么建议可以修复闪烁的外接显示器吗？
$xrandr
eDP1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 309mm x 174mm
1920x1080 60.0*+ 59.9 48.0
1680x1050 60.0 59.9
1600x1024 60.2
1400x1050 60.0
1280x1024 60.0
1440x900 59.9
1280x960 60.0
1360x768 59.8 60.0
1152x864 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
DP1 disconnected (normal left inverted right x axis y axis)
DP1-1 connected 1920x1080+1920+29 (normal left inverted right x axis y axis) 509mm x 286mm
1920x1080 60.0*+
1680x1050 59.9
1280x1024 60.0
1440x900 59.9
1280x720 60.0
1024x768 60.0
800x600 60.3
640x480 60.0
720x400 70.1
DP1-2 connected 1080x1920+3840+29 left (normal left inverted right x axis y axis) 510mm x 287mm
1920x1080 60.0*+
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
DP1-3 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)