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https://bugzilla.kernel.org/show_bug.cgi?id=72361
--- Comment #8 from ArLi Weng <[email protected]> ---
(In reply to ArLi Weng from comment #7)
> (In reply to Zhang Rui from comment #6)
> > can you please git bisect which commit introduces this problem?
>
> i don't known, maybe
> http://kernelnewbies.org/Linux_3.13#head-
> f95c198f6fdc7defe36f470dc8369cf0e16898df
>
> for now, radeon.dpm=0 work but gpu clock is wrong(3d game too bad), that are
> 800MHz but
>
> #cat /sys/kernel/debug/dri/0/radeon_pm_info
> default engine clock: 200000 kHz
> current engine clock: 200000 kHz
>
> on radeon.dpm=-1 without acpi_cpufreq:
>
> #cat /sys/kernel/debug/dri/0/radeon_pm_info
> uvd vclk: 0 dclk: 0
> power level 0 sclk: 30400 vddc: 949
>
is this case i don't knwon which freq but 3d game work fine, and reset infinite
same time, i must boot to lts-kernel(3.10.42) before(boot to 3.10 then shutdown
to 3.14) kernel(3.14.5)
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