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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 97260] R9 290 low performance in Linux 4.7
Date: Wed, 10 Aug 2016 21:00:25 +0000	[thread overview]
Message-ID: <bug-97260-502-PCgtwm0dPt@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-97260-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=97260

--- Comment #9 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Kai from comment #8)
> (In reply to Alex Deucher from comment #6)
> > Does reverting 5e031d9fe8b0741f11d49667dfc3ebf5454121fd (drm/radeon/pm:
> > update current crtc info after setting the powerstate) help?
> 
> No, it does not for me (I fetched the patch from
> <https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/patch/
> ?id=5e031d9fe8b0741f11d49667dfc3ebf5454121fd> and applied it with patch -p1
> -R < /path/to.patch). The Talos Principle is still down to 43 FPS, haven't
> tested XCOM 2 or anything else.
> 
> Btw, not sure if it can help tracking down the cause: the GPU doesn't seem
> to go into its highest performance mode or at least the fan is not reaching
> its highest RPM when I'm on 4.7.0 (with or without the revert).

You can check by running apps and monitoring the content of
/sys/kernel/debug/dri/64/radeon_pm_info
Do you see it scaling up under load on the problematic kernels?  Does forcing
the clocks to high via sysfs work ok?

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  parent reply	other threads:[~2016-08-10 21:00 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-09 13:45 [Bug 97260] R9 290 low performance in Linux 4.7 bugzilla-daemon
2016-08-09 13:48 ` bugzilla-daemon
2016-08-10 18:45 ` bugzilla-daemon
2016-08-10 19:17 ` bugzilla-daemon
2016-08-10 19:40 ` bugzilla-daemon
2016-08-10 19:43 ` bugzilla-daemon
2016-08-10 19:51 ` bugzilla-daemon
2016-08-10 20:25 ` bugzilla-daemon
2016-08-10 20:52 ` bugzilla-daemon
2016-08-10 21:00 ` bugzilla-daemon [this message]
2016-08-11 17:07 ` bugzilla-daemon
2016-08-11 19:35 ` bugzilla-daemon
2016-08-12 19:58 ` [Bug 97260] [bisected] " bugzilla-daemon
2016-08-12 19:58 ` bugzilla-daemon
2016-08-13 18:49 ` bugzilla-daemon
2016-08-15 17:57 ` bugzilla-daemon
2016-08-15 18:12 ` bugzilla-daemon
2016-08-15 20:02 ` bugzilla-daemon
2016-08-16  3:52 ` bugzilla-daemon
2016-08-16  6:15 ` bugzilla-daemon
2016-08-16 15:49 ` bugzilla-daemon
2016-08-17  8:05 ` bugzilla-daemon
2016-08-17 16:31 ` bugzilla-daemon
2016-08-18  1:02 ` bugzilla-daemon
2016-08-18  1:03 ` bugzilla-daemon
2016-08-19  6:22 ` bugzilla-daemon

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