[Bug 201539] AMDGPU R9 390 automatic fan speed control in Linux 4.19/4.20/5.0

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=201539

--- Comment #73 from Alex Deucher (alexdeucher at gmail.com) ---
(In reply to MasterCATZ from comment #72)
> 
> now if someone could solve the issue when it uses more power when running
> multiple displays ( exactly the same monitors res / hz  )
>  I can run the card single display under 10 watts plug in another display
> and its over 50 watts idle

You can enable mclk switching with identical monitors by setting
amdgpu.dcfeaturemask=2
It's enabled by default in 5.11.

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