[Bug 105581] amdgpu: r9 380 Dual Monitor Setup: rotation not working

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=105581

--- Comment #3 from f.otti at gmx.at ---
(In reply to Michel Dänzer from comment #2)
> FWIW, rotation doesn't work because glamor fails to initialize, so all
> hardware acceleration is disabled (I posted a xf86-video-amdgpu patch to not
> advertise rotation capability in this case). Looks like Mesa is either
> misconfigured or too old for your card.

Thank you very much, I didn't notice that.
I searched for that problem and tried glxinfo which told me, that llvm version
3.6.1 was required, which I didn't know. So after installing it, the server
doesn't crash anymore upon trying to rotate the screen and it finally works.
It's probably still a bug that the monitors only work with the second DVI slot
and one in HDMI, but this works for me as well.
I'm not sure if I'd call it "resolved" but for me it's at least "workaround is
now good enough"

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