http://bugzilla.suse.com/show_bug.cgi?id=1091828
http://bugzilla.suse.com/show_bug.cgi?id=1091828#c3
--- Comment #3 from Stefan Dirsch ---
Ok. Found a desktop machine where Intel GPU is still visible on the bus after
adding a dedicated graphics card!
In BIOS/Firmware you can chose, which GPU is primary, i.e. Intel or NVIDIA and
whether bot GPUs should be active.
1) With Intel being primary GPU and both GPUs active after running
'prime-select intel':
Xorg.0.log
[...]
[ 224.131] (--) PCI:*(0:0:2:0) 8086:0412:1028:05a4 rev 6, Mem @
0xf7400000/4194304, 0xd0000000/268435456, I/O @ 0x0000f000/64, BIOS @
0x????????/131072
[ 224.131] (--) PCI: (0:1:0:0) 10de:0ffa:103c:094b rev 161, Mem @
0xf6000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @
0x0000e000/128, BIOS @ 0x????????/524288
[...]
# xrandr
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 8192 x 8192
VGA-1 connected primary 1280x1024+0+0 (normal left inverted right x axis y
axis) 337mm x 270mm
1280x1024 75.02*+ 60.02
1152x864 75.00
1024x768 75.03 70.07 60.00
800x600 72.19 75.00 60.32
640x480 75.00 72.81 59.94
720x400 70.08
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
# xrandr --listproviders
Providers: number : 1
Provider 0: id: 0x47; cap: 0xf (Source Output, Sink Output, Source Offload,
Sink Offload); crtcs: 3; outputs: 5; associated providers: 0; name: modesetting
output VGA-1
output DP-1
output HDMI-1
output DP-2
output HDMI-2
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