[Bug 70651] cannot write to power_dpm_force_performance_level: invalid argument (radeon 7730m) (original) (raw)
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Fri Feb 28 06:29:29 PST 2014
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https://bugzilla.kernel.org/show_bug.cgi?id=70651
--- Comment #11 from Alex Deucher <alexdeucher at gmail.com> --- I haven't had time to look into why that patch is not working for you, but as I said previously, accessing the board via sysfs or debugfs while it's powered off produces invalid results so even when I fix the patch, the only change will be feedback from debugfs. You can't actually change the power state of a powered off card. I'll post an updated patch as soon as I figure out why it's not working.
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