xrandr 的 --scale 選項在我的 DisplayLink 顯示器上不起作用。螢幕閃爍然後重新打開，但比例沒有改變。其他人可以用自己的硬體確認/否認這個問題嗎？這大概是 DisplayLink 驅動程式的錯誤？我有一台 Kensington SD3000v。
$ uname -r
4.7.0-1-ARCH
$ xrandr --version
xrandr program version 1.5.0
Server reports RandR version 1.5
$ yaourt -Q xorg-server
extra/xorg-server 1.18.4-1 (xorg)
$ yaourt -Q displaylink
local/displaylink 1.1.62-2
$ lspci | grep V
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06)
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev ff)
$ xrandr --listproviders
Providers: number : 2
Provider 0: id: 0x49 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs: 4 outputs: 6 associated providers: 1 name:Intel
Provider 1: id: 0x149 cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 1 name:modesetting
$ xrandr --current | grep ^[^\ ]
Screen 0: minimum 8 x 8, current 3840 x 3240, maximum 32767 x 32767
eDP1 connected 3840x2160+0+1080 (normal left inverted right x axis y axis) 350mm x 190mm
DP1 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)
DVI-I-1 connected 1728x216+0+0 (normal left inverted right x axis y axis) 475mm x 267mm
答案1
其他用戶隨後在以下網址確認了此問題（並投票支持）：此顯示連結功能建議。