[Intel-gfx] Why idle_freq is set to RPn and not RPe

Chris Wilson chris at chris-wilson.co.uk
Tue Jan 5 12:54:25 PST 2016

On Tue, Jan 05, 2016 at 04:51:39PM +0000, Szwichtenberg, Radoslaw wrote:
> Hello Chris,
> Happy New Year!
> Thanks for answers so far. I have some additional questions.
> You wrote that this change was made to take a defensive position to ensure minimum power consumption - did we do any power measurements to confirm the benefit? How does this change affect user experience and overall performance? Did we do any performance impact measurements? Is same change done in Windows implementation? Was this change in the algorithm discussed with HW team?

None of the above. You can verify for yourself through code inspection
that it will not impact ux.

Chris Wilson, Intel Open Source Technology Centre

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