[PATCH 1/2] powerpc/85xx: add hardware automatically enter altivec idle state

[Kumar Gala]

On Aug 16, 2013, at 2:23 AM, Dongsheng Wang wrote:

> From: Wang Dongsheng <dongsheng.wang at freescale.com>
> 
> Each core's AltiVec unit may be placed into a power savings mode
> by turning off power to the unit. Core hardware will automatically
> power down the AltiVec unit after no AltiVec instructions have
> executed in N cycles. The AltiVec power-control is triggered by hardware.
> 
> Signed-off-by: Wang Dongsheng <dongsheng.wang at freescale.com>

Why treat this as a idle HW governor vs just some one time setup at boot of the time delay?

- k