Anssi Saari composed on 2021-09-15 10:15 (UTC+0300):
> I was wondering, since I didn't really find anything definite via Google
> but is dual GPU dual display actually a supported configuration in
> Debian 11?
> So basically for a while I ran this kind of setup:
> Display 1 connected to CPU's integrated GPU (Core i7-4790K, Intel HD
> Graphics 4600).
> Display 2 connected to Nvidia RTX3070Ti.
> The two displays setup as a single wide display, i.e. windows
> movable/draggable from one display to the other.
Why aren't you plugging all displays into the NVidia? Even IGPs can support
3 displays as one screen right out of the box.
# inxi -SGayz
System:
Kernel: 5.10.0-8-amd64 x86_64 bits: 64 compiler: gcc v: 10.2.1...
Desktop: Trinity R14.0.11 tk: Qt 3.5.0 info: kicker wm: Twin 3.0 vt: 7
dm: TDM Distro: Debian GNU/Linux 11 (bullseye)
Graphics:
Device-1: Intel HD Graphics 630 vendor: Gigabyte driver: i915 v: kernel
bus-ID: 00:02.0 chip-ID: 8086:5912 class-ID: 0300
Display: x11 server: X.Org 1.20.11 driver: loaded: modesetting
unloaded: fbdev,vesa display-ID: :0 screens: 1
Screen-1: 0 s-res: 2560x3720 s-dpi: 120 s-size: 541x787mm (21.3x31.0")
s-diag: 955mm (37.6")
Monitor-1: HDMI-1 res: 2560x1080 hz: 60 dpi: 97 size: 673x284mm (26.5x11.2")
diag: 730mm (28.8")
Monitor-2: HDMI-2 res: 1920x1200 hz: 60 dpi: 94 size: 519x324mm (20.4x12.8")
diag: 612mm (24.1")
Monitor-3: DP-1 res: 2560x1440 hz: 60 dpi: 109 size: 598x336mm (23.5x13.2")
diag: 686mm (27")
OpenGL: renderer: Mesa Intel HD Graphics 630 (KBL GT2) v: 4.6 Mesa 20.3.5
direct render: Yes
# xrandr | egrep 'onnect|creen|\*' | grep -v disconn | sort -r
Screen 0: minimum 320 x 200,
current 2560 x 3720, maximum 16384 x 16384
HDMI-2 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 519mm
x 324mm
HDMI-1 connected 2560x1080+0+1200 (normal left inverted right x axis y axis)
673mm x 284mm
DP-1 connected primary 2560x1440+0+2280 (normal left inverted right x axis y
axis) 598mm x 336mm
2560x1440 59.95*+ 74.92
2560x1080 60.00*+
1920x1200 59.95*+
--
Evolution as taught in public schools is, like religion,
based on faith, not based on science.
Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!
Felix Miata
