From jamie at kitten-x.com  Thu Sep  1 23:53:44 2016
From: jamie at kitten-x.com (Jamie Kitson)
Date: Fri, 02 Sep 2016 00:53:44 +0100
Subject: [Libdlo] xrandr --scale
Message-ID: <1472774024.746481.713318689.41C829A1@webmail.messagingengine.com>

Hi,

xrandr's --scale option doesn't work for me on my DisplayLink display.
Is this a known issue or should I be able to get this working? Would
this be a bug I need to report against the DisplayLink driver or xrandr?
I have a 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

Thanks, Jamie