[Bug 108096] [amd-staging-drm-next] SDDM screen corruption (not usable) with RX580, amdgpu, dc=1 (of course), regression - [bisected]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108096

--- Comment #24 from Dieter Nützel <Dieter at nuetzel-hh.de> ---
(In reply to Andrey Grodzovsky from comment #22)
> (In reply to Andrey Grodzovsky from comment #21)
> > Please load the driver in debug mode so I can see the error code value in
> > dmesg - 
> > when loading the kernel add drm.debug=0xff
> > 
> > Also to trace where exactly the error originated from please install
> > trace-cmd and beore starting X (assuming you get the failure and the dmesg
> > error right on start)
> > sudo trace-cmd start -p function_graph -l amdgpu_cs_ioctl
> > and get the output from /sys/kernel/debug/tracing/trace
> 
> My bad, the correct command is
> sudo trace-cmd start -p function_graph -g amdgpu_cs_ioctl

Andrey, do you need these logs even after my commit #23?

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