Am 02.10.2014 um 06:50 schrieb Alex Deucher:
On Wed, Oct 1, 2014 at 12:30 PM, Alexandre Demers
<alexandre.f.demers@xxxxxxxxx> 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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