Comment # 23 on bug 103370 from Mike Lothian

Can you show the dmesg and Xorg.0.log with radeon.si_support=0
amdgpu.si_support=1

On Thu, 26 Oct 2017 at 05:17 <bugzilla-daemon@freedesktop.org> wrote:

> *Comment # 22 <https://bugs.freedesktop.org/show_bug.cgi?id=103370#c22> on
> bug 103370 <https://bugs.freedesktop.org/show_bug.cgi?id=103370> from
> Shih-Yuan Lee <fourdollars@gmail.com> *
>
> (In reply to Mike Lothian from comment #19 <https://bugs.freedesktop.org/show_bug.cgi?id=103370#c19>)> You have to blacklist radeon to use amdgpu as both modules try and claim the
> > device
>
> After I blacklist radeon, there is no AMD graphics provider from `xrandr
> --listproviders`.
>
> [    1.937326] amdgpu 0000:01:00.0: enabling device (0000 -> 0003)
> [    1.937633] amdgpu 0000:01:00.0: SI support provided by radeon.
> [    1.937635] amdgpu 0000:01:00.0: Use radeon.si_support=0 amdgpu.si_support=1
> to override.
>
> After I use 'radeon.si_support=0 amdgpu.si_support=1', X window system can not
> start up.
>
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