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, 21 Feb 2014 15:49:46 +0000 [thread overview]
Message-ID: <bug-70651-2300-itaCrwNFyb@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-70651-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=70651
--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 126951
--> https://bugzilla.kernel.org/attachment.cgi?id=126951&action=edit
possible fix for SI
Starting with 3.13, the driver automatically powers down the dGPU on hybrid
laptops when it's not in use. Accessing the sysfs and debufgs information when
it's powered down is invalid since the gpu is powered down. This patch returns
sensible values when you try to get/set this information when the GPU is
powered off.
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next prev parent reply other threads:[~2014-02-21 15:49 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 [this message]
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
2014-09-29 18:34 ` bugzilla-daemon
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