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drm/radeon/pm: don't allow debugfs/sysfs access when PX card is off (v2)
authorAlex Deucher <alexdeucher@gmail.com>
Mon, 19 May 2014 23:21:29 +0000 (19:21 -0400)
committerChristian König <christian.koenig@amd.com>
Tue, 20 May 2014 12:42:08 +0000 (14:42 +0200)
When the PX card is off don't try and access it. Avoid hw access
to the card while it's off (e.g., reading back invalid temperature).

v2: be less strict

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=76321

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Christian König <christian.koenig@amd.com>

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