[Bug 105196] Display hangs after resuming from hibernation

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105196

--- Comment #16 from amn-bas at hotmail.com ---
(In reply to Imre Deak from comment #14)
> Created attachment 137791 [details] [review]
> Fix hibernation with S0 target state
> 
> > Created attachment 137788 [details]
> > dmesg custom 4.15 w/dmc 1.27
> 
> There's the following:
> [   64.041878] Unexpected DBuf power power state (0x0000000a)
> 
> during resuming. One possibility is that hibernation happens with an S0 ACPI
> target state (or at least target state < S3) and because of that we won't
> reinit power domains during resume. That's a failed attempt on my part to
> fix this issue in an earlier patch. Could you try the attached fix on top of
> 4.15.6 to try it again (and attach a log)?
> 
The problem still occurs after applying the patch.

> In the log there is also the
> [   69.146901] [drm:skl_check_plane_surface [i915]] requested Y/RGB source
> size 7680x4320 too big (limit 8192x4096)
> 
> error, that one looks like user space asking for an invalid config and
> unrelated to the above.

This one is strange because I don't see that with 4.14, it shows only with
4.15.

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