From: Clemens Ladisch <clemens@ladisch.de>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] reading on-die temperature sensor of AMD A10 5700 processor
Date: Thu, 15 Aug 2013 07:55:37 +0000 [thread overview]
Message-ID: <520C8979.8010905@ladisch.de> (raw)
In-Reply-To: <CAFSPGzQyxOOhjawcQj=wH+k1b=OC1gGf6CKWoU89TWVTykNcOQ@mail.gmail.com>
> On 08/14/2013 09:16 PM, Dev, Kapil wrote:
>> I got a little confused about the way temperature-computation is
>> explained on page 393. The interpretation of D18F3xA4[31:21] seems to
>> be different based on the D18F3xA4[17:16] bits.
These two bits should always be 00; Linux never tries to write the
temperature value.
>> Something similar, but not exactly the same thing, is implemented in
>> k10temp.c in lines 85-90. The value (D18F3xA4[18:16])
No, this value is D18F3x64[22:16].
>> is multiplied by 500 and then 52000 is added to it. While, on page
>> 393, I see <(CurTmp[10:2]*0.5)-49>.
On page 382, I see <(HtcTmpLmt*0.5)+52>.
Regards,
Clemens
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next prev parent reply other threads:[~2013-08-15 7:55 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-13 19:05 [lm-sensors] reading on-die temperature sensor of AMD A10 5700 processor Dev, Kapil
2013-08-13 20:27 ` Guenter Roeck
2013-08-13 21:11 ` Dev, Kapil
2013-08-13 21:51 ` Guenter Roeck
2013-08-14 2:41 ` Dev, Kapil
2013-08-14 3:02 ` Guenter Roeck
2013-08-14 3:09 ` Dev, Kapil
2013-08-14 4:56 ` Guenter Roeck
2013-08-14 5:17 ` Kapil Dev
2013-08-14 5:30 ` Guenter Roeck
2013-08-14 5:32 ` Phil Pokorny
2013-08-14 17:20 ` Dev, Kapil
2013-08-14 18:29 ` Guenter Roeck
2013-08-14 18:33 ` Guenter Roeck
2013-08-14 19:06 ` Dev, Kapil
2013-08-14 20:03 ` Guenter Roeck
2013-08-14 20:45 ` Dev, Kapil
2013-08-14 22:39 ` Guenter Roeck
2013-08-15 4:16 ` Dev, Kapil
2013-08-15 4:29 ` Guenter Roeck
2013-08-15 4:32 ` Dev, Kapil
2013-08-15 5:30 ` Guenter Roeck
2013-08-15 7:55 ` Clemens Ladisch [this message]
2013-08-16 3:48 ` Dev, Kapil
2013-08-16 7:03 ` Clemens Ladisch
2013-08-16 8:57 ` Kapil Dev
2013-08-16 9:27 ` Clemens Ladisch
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