> Recently I got myself a new laptop with the following integrated GPU:
>
> 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
> Mullins [Radeon R3 Graphics] (rev 40)
>
> I found that hibernation is broken in Linux 4.7+ (it works in Linux 4.6)
> and bisected it to commit 274ad65c9d02 ("drm/radeon: hard reset r600 and
> newer GPU when hibernating.").
>
> This has already been reported three months ago, but for a much older
> GPU, see the thread starting at
> https://lists.freedesktop.org/archives/dri-devel/2016-June/110050.html.
> The symptoms are exactly the same as described by Boris Petkov in that
> thread: after "systemctl hibernate" the screen goes blank, but the
> machine remains powered on and needs to be power-cycled.
>
> Any suggestions would be welcome.
>
> Cheers,
> Sven
I guess we can invert the logic and only do it for the GPU for which it fix
hibernation.
Cheers,
Jérôme
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