[PATCH 00/22] new radeon info queries

Christian König deathsimple at vodafone.de
Thu Oct 2 05:41:06 PDT 2014


Am 02.10.2014 um 06:50 schrieb Alex Deucher:
> On Wed, Oct 1, 2014 at 12:30 PM, Alexandre Demers
> <alexandre.f.demers at gmail.com> wrote:
>> May I suggest something more to add if available? It would be great to
>> have the core and memory voltages. As an example of a specific
>> application where it would have been usefull: it would have been
>> easier to debug the problem with Cayman when vddci was not correctly
>> set (it would have been higher or lower than expected or the value
>> would have been nonsense).
> It wouldn't have helped for that problem since there's no way to query
> the actual vddc or vddci or even the clocks.  All you can query is
> which performance level is active, the driver has to determine the
> clocks and voltages based on that.  It's basically the same info that
> is already exposed via debugfs.

I hoped we could expose the PLL test registers as well, this way 
somebody could actually measure at least the clocks instead of just 
calculating them from the PM profile in use.

Christian.

>
> Alex
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