[Bug 208115] amdgpu (likely) - power management and display connection problems with an RX590 card

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=208115

op (paananen.olli at tuta.io) changed:

           What    |Removed                     |Added
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                 CC|                            |paananen.olli at tuta.io

--- Comment #2 from op (paananen.olli at tuta.io) ---
I have similar behaviour with RX 5700 XT and two outputs, one
DisplayPort(primary) one HDMI(tv).  

If i plugin hdmi cable after i booted the system, everything works fine. Idle
power consumption is at ~10-12 watts -> plug in and enable HDMI output, it goes
up to ~36 watts, disable or plug out cable -> drops back to ~10-12 watts as
expected.

But if i have the HDMI cable connected from the start when i boot up the
system, this behaviour appears. Power consumption is at ~36 watts all the time,
no matter if i disable HDMI with xrandr or even plug out the HDMI cable.

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