You need a graphics driver that supports suspend. That's only going to be
i915. Right now suspend / resume doesn't work in drm-next-4.7 for anything
newer than Broadwell.

Your two choices for Skylake are either to debug the issue in drm-next or
add suspend / resume to sc or VT. I'm assuming that if the latter were easy
someone would already have done it.




On Mon, Dec 19, 2016 at 13:37 Brandon Allbery <allber...@gmail.com> wrote:

> On Mon, Dec 19, 2016 at 10:09 AM, Andreas Nilsson <andrn...@gmail.com>
>
> wrote:
>
>
>
> > my Lenovo X1 yoga exhibits the same traits, it does suspend, but graphics
>
> > are corrupted after resume. Machine usually is reachable over the network
>
> > though.
>
> >
>
>
>
> Isn't that related to sc vs. vt? Various video cards, notably many NVidia
>
> based, don't recover from suspend. sc can't reinitialize them. vt can, and
>
> knows how to reinit some cards but needs to be taught how to reinit others.
>
>
>
> --
>
> brandon s allbery kf8nh                               sine nomine
> associates
>
> allber...@gmail.com
> ballb...@sinenomine.net
>
> unix, openafs, kerberos, infrastructure, xmonad
> http://sinenomine.net
>
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