[Bug 111623] No package C-states on Dell XPS 15 9570 after resume from deep sleep

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Oct 24 18:12:34 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=111623

--- Comment #22 from Tomas Janousek <tomi at nomi.cz> ---
Created attachment 145808
  --> https://bugs.freedesktop.org/attachment.cgi?id=145808&action=edit
v5.3.7-resume-without-guc-submission.patch

(In reply to Don Hiatt from comment #21)
> Pretty much what I concluded, I just posted this for review, can you give it
> a try? Thanks. 
> 
> https://patchwork.freedesktop.org/patch/337552/

I backported this to 5.3.7 (attached) and yeah, it does fix the issue. I
disagree with the patch description, though: the function is definitely being
called with enable_guc=-1, otherwise I wouldn't need this fix.

(And it does seem a bit weird to skip resume but not skip suspend, but I have
no idea what this non-free blobby whatever does, so I guess I'll leave that up
to you guys.)

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