i915 power management documentation

[Gábor Bereczki]

Hello DRM developers,

I am looking after some documentation of the performance management of the
GPU hardware, like registers

#define
GEN6_RPNSWREQ                                                         0xA008

#define GEN6_RP_CONTROL
0xA024



and the likes.



I have checked Intel documentation online, but could not find any reference
to those registers. As I understand they are in the graphics MMIO space,
but could not find any specs for these registers.

Your help is really appreciated.

BR,



Gabor Bereczki
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