[Bug 99628] AMD Radeon HD 8600M graphics card doesn't work with amdgpu

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99628

--- Comment #7 from mohsen2120habibikhoo at gmail.com ---
(In reply to Emil Velikov from comment #6)
> Seems like both radeon and amdgpu [attempt to] load, according to dmesg
> 
> [    4.881589] [drm] radeon kernel modesetting enabled.
> ...
> [    5.293850] [drm] amdgpu kernel modesetting enabled.
> 
> Is there a way to "claim" device, such that no other driver uses it ?
> Alternatively one could add some runtime detection/interop between radeon
> and amdgpu ?
> 
> Mostly thinking out loud ^^ ;-)

If you mean by runtime detection/interop betwean radeon and amdgpu using
"modprobe.blacklist=radeon" at boot time or in modprobe.conf that solution
doesn't work and X (or wayland) doesn't start. it just hang after tracing
amdgpu driver and display manager doesn't start no matter how long i wait...

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