[PATCH 0/3] drm/gk20a: support for reclocking

Alexandre Courbot acourbot at nvidia.com
Thu Jul 10 18:42:26 PDT 2014


On 07/10/2014 06:50 PM, Mikko Perttunen wrote:
> Does GK20A itself have any kind of thermal protection capabilities?
> Upstream SOCTHERM support is not yet available (though I have a driver
> in my tree), so we are thinking of disabling CPU DVFS on boards that
> don't have always-on active cooling for now. Same might be necessary for
> GPU as well.

There is a small thermal driver ( 
https://android.googlesource.com/kernel/tegra/+/b445e5296764d18861a6450f6851f25b9ca59dee/drivers/video/tegra/host/gk20a/therm_gk20a.c 
) but it doesn't seem to do much. I believe that for Tegra we rely in 
SOCTHERM instead, but maybe Ken could confirm?


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