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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 70651] cannot write to power_dpm_force_performance_level: invalid argument (radeon 7730m)
Date: Fri, 25 Apr 2014 14:14:38 +0000	[thread overview]
Message-ID: <bug-70651-2300-yatEl8Q35H@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-70651-2300@https.bugzilla.kernel.org/>

https://bugzilla.kernel.org/show_bug.cgi?id=70651

Zsolt Barat <zsolt@softmonsters.com> changed:

           What    |Removed                     |Added
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                 CC|                            |zsolt@softmonsters.com

--- Comment #13 from Zsolt Barat <zsolt@softmonsters.com> ---
Hi,
thanks for your comment on this. I'm running into simmilar issue:

root@lisabook2:~# echo "low">
/sys/class/drm/card0/device/power_dpm_force_performance_level
-bash: echo: write error: Invalid argument

I'm also on a hybrid platform: MBP 8,2 with linux-3.14.0
I recently noticed this, that I can't set this value when I use the machine
*without* an external Monitor which I usually don't.
Does it mean that the kernel now switches automatically to the non dGPU, when
the dGPU is not in use? Would be great news.

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  parent reply	other threads:[~2014-04-25 14:14 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-16  0:25 [Bug 70651] New: cannot write to power_dpm_force_performance_level: invalid argument (radeon 7730m) bugzilla-daemon
2014-02-16 10:23 ` [Bug 70651] " bugzilla-daemon
2014-02-21 14:34 ` bugzilla-daemon
2014-02-21 15:15 ` bugzilla-daemon
2014-02-21 15:49 ` bugzilla-daemon
2014-02-23 22:36 ` bugzilla-daemon
2014-02-24 13:29 ` bugzilla-daemon
2014-02-24 15:21 ` bugzilla-daemon
2014-02-24 15:26 ` bugzilla-daemon
2014-02-25 20:24 ` bugzilla-daemon
2014-02-28  9:03 ` bugzilla-daemon
2014-02-28 14:29 ` bugzilla-daemon
2014-03-01  8:51 ` bugzilla-daemon
2014-04-25 14:14 ` bugzilla-daemon [this message]
2014-09-29 18:34 ` bugzilla-daemon

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