Thread (32 messages) 32 messages, 6 authors, 2012-01-24

Re: PM(?) problems on v3.3-rc1 on OMAP3

From: Tomi Valkeinen <hidden>
Date: 2012-01-20 12:01:32

On Fri, 2012-01-20 at 17:26 +0530, Govindraj wrote:
On Fri, Jan 20, 2012 at 4:03 PM, Tomi Valkeinen [off-list ref] wrote:
quoted
Is there a way to lock the OPP to the full power OPP?
btw,

I think enabling cpu_idle and performance governor to should ensure that.

However enabling performance governor boot fails.
I thought so too, and tried it but got the same crash as you.

However, I'd imagine that if I don't enable CPU idle or the governors,
the board would stay in full power mode always. But this doesn't seem to
be the case.

Then again, I don't see how CPU power management could affect the DSS
directly. So it's probably something like: cpu goes to RET -> something
else is allowed go to lower power state (L3?) -> DSS breaks.

 Tomi

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