On Mon, Oct 28, 2024 at 06:51:19PM +0100, Alexis de BRUYN [Mailing Lists] wrote: > Hello Everybody, > > On a system running -current with 2 video cards, I want to use arandr to > configure grafically at least 10 monitors and because the "Option Rotate" > settings in xorg.conf is not working. > > [ 25.614] (--) PCI:*(3@0:0:0) 1002:7312:1002:031e rev 0, Mem @ > 0xa0000000/268435456, 0xb0000000/2097152, 0xb5800000/524288, I/O @ > 0x00007000/256 > [ 25.614] (--) PCI: (12@0:0:0) 1002:7312:1002:031e rev 0, Mem @ > 0x80000000/268435456, 0x90000000/2097152, 0xb5500000/524288, I/O @ > 0x00004000/256 > > $ cat /etc/X11/xorg.conf.d/20-amdgpu.conf > Section "Device" > Identifier "Card3" > Driver "amdgpu" > BusID "PCI:3:0:0" > EndSection > > Section "Device" > Identifier "Card12" > Driver "amdgpu" > BusID "PCI:12:0:0" > EndSection > > In menu "Outputs" menu of arandr, only 6 DisplayPort are shown. > > $ xrandr --listproviders > Providers: number : 1 > Provider 0: id: 0x5a cap: 0xf, Source Output, Sink Output, Source Offload, > Sink Offload crtcs: 6 outputs: 6 associated providers: 0 name:AMD Radeon Pro > W5700 @ pci:0000:03:00.0 > > I have tested the same setup with an Ubuntu live CD, and 12 DP were > recognized. > > Thanks for your help. > > $ cat /var/log/Xorg.0.log ... > [ 21.354] (II) AMDGPU(0): [KMS] Kernel modesetting enabled. > [ 21.476] (II) AMDGPU(1): [KMS] Kernel modesetting enabled.
but > [ 21.543] (EE) Screen 1 deleted because of no matching config section. and then > [ 21.575] (II) UnloadModule: "amdgpu" I'm guessing, and someone more knowledgeable might correct me, but I'd say you probably can't get away with the default configuration, and need to explicitly configure the Screens for those two Devices. --
