On Wed, Mar 14, 2018 at 5:41 AM, Lvzhihong (ReJohn) <lvzhihong1 at huawei.com> wrote: > Hi All , > > Does mesa support Radeon Pro Duo? I donâ??t know how to configure xorg.conf to > use two WX7100 card of DUO , and now I can only use the first card of DUO. What are you trying to do? A large desktop spread across both chips? Use the chips independently? There is no support for crossfire on Linux. If you want to use a desktop across multiple chips or select which chip is used for rendering, you can use xrandr and the prime support in X: https://wiki.archlinux.org/index.php/PRIME Alex > > Installed software packages: xserver-xorg xfce4 xinit > > Mesa version: 17.2.8 kernel version: 4.15 > > > > Pci information: > > 000d:31:00.0 PCI bridge: PLX Technology, Inc. PEX 8747 48-Lane, 5-Port PCI > Express Gen 3 (8.0 GT/s) Switch (rev ca) > > 000d:32:08.0 PCI bridge: PLX Technology, Inc. PEX 8747 48-Lane, 5-Port PCI > Express Gen 3 (8.0 GT/s) Switch (rev ca) > > 000d:32:10.0 PCI bridge: PLX Technology, Inc. PEX 8747 48-Lane, 5-Port PCI > Express Gen 3 (8.0 GT/s) Switch (rev ca) > > 000d:33:00.0 VGA compatible controller: Advanced Micro Devices, Inc. > [AMD/ATI] Ellesmere [Radeon Pro WX 7100] > > 000d:33:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device > aaf0 > > 000d:34:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] > Ellesmere [Radeon Pro WX 7100] > > > > My xorg.conf: > > Section "Device" > > Identifier "AMD" > > Driver "amdgpu" > > BusID "pci:51 at 13:00:00" > > EndSection > > Section "Monitor" > > Identifier "monitor0" > > Option "enable" "true" > > EndSection > > Section "Screen" > > Identifier "screen0" > > Device "AMD" > > Monitor "monitor0" > > DefaultDepth 24 > > SubSection "Display" > > Depth 24 > > EndSubSection > > EndSection > > > > I use â??startxâ?? to start desktop , and only the first WX7100(PCI Bus ID: > 000d:33:00.0) being used , the second WX7100(PCI Bus ID: 000d:34:00.0) has > no load . > > Even if I set BusID as "pci:52 at 13:00:00" (the second WX7100), it > still only the first WX7100 being used. > > > > So , How to enable Radeon Pro Duo with opensource driver , does my > xorg.conf is wrong or mesa doesnâ??t support Radeon Pro Duo? > > > > > > > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx >