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Re: Screen does not wake up from suspend ("No signal") on a Radeon RX 58
Re: Screen does not wake up from suspend ("No signal") on a Radeon RX 580
Wed, 06 Feb 2019 14:52:46 +0100
mu4e 1.0; emacs 26.1
> impression that the cause may be the motherboard or CPU (amd ryzen 7 2700x),
> it seems to have other known issues like soft lock-ups.
That would be surprising since I can SSH to my machine and everything works
beside the screen not receiving any signal. But who knows! :)
I've added xf86-video-amdgpu to Guix 1-2 weeks ago, so you don't need this
> and also add this to my services:
Why do you need this? I have managed to get everything to work without custom
services (see below).
> Now lspci reports amdgpu, but I still experience the same sleeping issue.
> Personally I wouldn't suspect this is a Guix specific problem, but rather a
> driver, kernel, or hardware issue.
I've tried adding the amdgpu firmware and now everything works. Conclusion:
it's not a Guix issue, it's just that AMDGPU won't work without the proprietary
blob. What a shame...
The ATI driver works reasonably well with the RX580, but it is lacking in terms
of X support. I noticed that beside failing to wake up from sleep, it also
fails with many RandR queries (for instance `xrandr` would only list 2 modes out
of 14 with my screen, brightness queries would fail with redshift, etc.).
Does anyone know if ATI intends to improve support with the RX580?
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