On Wed, Oct 21, 2020 at 11:13:59AM -0500, flint pyrite wrote: > Question: is the amdgpu(4) manual page up to correct and up to date? > > https://man.openbsd.org/amdgpu
The man page is for the xorg driver. > > I set up an xorg.conf file in /etc/X11/xorg.conf and was trying to get > AMDgpu working. > > The man page uses "Device" as the section. This worked as root but not > a normal user. When I changed "Device" to "OutputClass," X loaded > without error as a normal user. > > Also, the man page does not mention setting > > machdep.allowaperture=1 > > in /etc/sysctl.conf That is to permit non-kms drivers, why are you setting this? > > cat /etc/X11/xorg.conf > > Section "OutputClass" > Identifier "AMDgpu" > MatchDriver "amdgpu" > Driver "amdgpu" > Option "DRI" "3" > Option "TearFree" "true" > EndSection > #copied from /usr/X11R6/share/X11/xorg.conf.d/10-amdgpu.conf > > > #Section "Device" > # Identifier "AMDgpu" > # Driver "amdgpu" > # Option "DRI" "3" > # Option "TearFree" "true" > #EndSection > > Section "Files" > FontPath "/usr/local/share/fonts/spleen/" > FontPath "/usr/local/share/fonts/ghostscript" > EndSection > > 6.8 GENERIC.MP#98 amd64 > > As a normal user, and using "Device" X fails with "No devices > detected. If I leave out the section completely, X goes through mode > setting and chooses Radeon. I suspect you have hardware claimed by radeondrm and not amdgpu. It is hard to know without seeing a dmesg and /var/log/Xorg.0.log
