From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 100270] power usage increase by approx 4W between kernel 4.7.8 and 4.8.5
Date: Tue, 21 Mar 2017 17:08:19 +0000 [thread overview]
Message-ID: <bug-100270-502-Wqb5hrw6UE@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-100270-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=100270
--- Comment #6 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to brett.hassall from comment #5)
> (In reply to Emil Velikov from comment #2)
> > If your bisection has gone right, you're looking at either
> > c39b487f195b93235ee76384427467786f7bf29f (if you're running amdgpu) or
> > b817634276f7f68c9d1d6d4a27117ff3c2f16956 (if you're on radeon).
> >
> > lspci should tell you which one, and you should be able to revert either one
> > on top of 4.8.5. Once you confirm the commit causing the issue, please
> > change the component accordingly and CC the author - Alex Deucher.
>
> Following the "git checkout tags/v4.8-rc3 -b bug" I reverted
> b817634276f7f68c9d1d6d4a27117ff3c2f16956. Power usage dropped by approx 4.5W
> (measured after login once system had settled, wifi not connected).
So apparently your system claims to support pcie pm (d3cold), but either
doesn't or it's disabled for some reason.
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next prev parent reply other threads:[~2017-03-21 17:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-100270-502@http.bugs.freedesktop.org/>
2017-03-18 23:34 ` [Bug 100270] power usage increase by approx 4W between kernel 4.7.8 and 4.8.5 bugzilla-daemon
2017-03-19 23:31 ` bugzilla-daemon
2017-03-20 14:05 ` bugzilla-daemon
2017-03-20 20:20 ` bugzilla-daemon
2017-03-21 9:29 ` bugzilla-daemon
2017-03-21 17:08 ` bugzilla-daemon [this message]
2017-03-21 23:35 ` bugzilla-daemon
2017-03-25 21:26 ` bugzilla-daemon
2019-11-19 9:26 ` bugzilla-daemon
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