[coreboot] [RFH] Native AMD fam10-15 support

Timothy Pearson tpearson at raptorengineering.com
Fri Jul 13 06:05:17 CEST 2018

On 07/12/2018 11:04 PM, Taiidan at gmx.com wrote:
> I will provide logs soon! what do you want exactly?
> One apparent regression I have noticed is that "sensors" reports CPU
> power usage at idle is now steady at 101W vs the usual 50W (which used
> to be 40 before a kernel update) while I am not sure if it is accurate
> as the cpu temp doesn't reach high levels expected for such wattage it
> does have one bad effect in that Turbo 2 no longer works...and even
> before this update with my v4.6 to get Turbo 1 on all cores as AMD
> advertises I must use "tpc -psmax 1"[1] which brings up the sensors
> reported TDP to 125W whereas normally it wouldn't work due to maxing out
> at 115W and 3.35ghz rather than T1 3.5ghz the TDP determining when the
> CPU enters full turbo 1.
> I use Turbo 2 to obtain better performance on non-multithreaded games so
> this is disappointing but I will investigate further.
> [1] turionpowercontrol, an overclocking software

This sounds like CC6 broke.  Can you check to see if CC6 is enabled in
your NVRAM settings?

Timothy Pearson
Raptor Engineering
+1 (415) 727-8645 (direct line)
+1 (512) 690-0200 (switchboard)

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