From: "H. Nikolaus Schaller" <hns@goldelico.com>
To: Andreas Kemnade <andreas@kemnade.info>
Cc: "Adam Ford" <aford173@gmail.com>,
linux-omap@vger.kernel.org, aford@beaconembedded.com,
"Benoît Cousson" <bcousson@baylibre.com>,
"Tony Lindgren" <tony@atomide.com>,
"Rob Herring" <robh+dt@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] ARM: dts: omap36xx: Remove turbo mode for 1GHz variants
Date: Fri, 1 Oct 2021 11:59:14 +0200 [thread overview]
Message-ID: <C0A84970-0AAC-42E7-8E0F-4D165F0C9551@goldelico.com> (raw)
In-Reply-To: <20211001095404.41f73d88@aktux>
> Am 01.10.2021 um 09:54 schrieb Andreas Kemnade <andreas@kemnade.info>:
>
> On Sat, 9 Jan 2021 11:01:03 -0600
> Adam Ford <aford173@gmail.com> wrote:
>
>> Previously, the 1GHz variants were marked as a turbo,
>> because that variant has reduced thermal operating range.
>>
>> Now that the thermal throttling is in place, it should be
>> safe to remove the turbo-mode from the 1GHz variants, because
>> the CPU will automatically slow if the thermal limit is reached.
>>
>> Signed-off-by: Adam Ford <aford173@gmail.com>
>> ---
>> V2: The orignal patch had the wrong file added. Add the omap36xx.dtsi
>>
> hmm, I somehow expected that there is a revert of this thing going
> through. But now, the turbo-mode is still missing
tagging by turbo-mode means the OPP is *disabled* by default and
needs to be enabled actively.
> and I understood the
> revert is only in Nikolaus' trees.
It is just a revert for the gta04a5 because I think it is the only board
which is affected (maybe it would need SmartReflex in operation to
fine tune the OPPs compared to the generic table). Therefore I have
a patch which adds turbo-mode to the gta04a5.dts
> The 1Ghz mode was working for some
> time but does not anymore. Is it just me or do others also have the
> same problems?
That would be interesting to know.
BR,
NIkolaus
>
>
>> diff --git a/arch/arm/boot/dts/omap36xx.dtsi b/arch/arm/boot/dts/omap36xx.dtsi
>> index 05fe5ed127b0..20844dbc002e 100644
>> --- a/arch/arm/boot/dts/omap36xx.dtsi
>> +++ b/arch/arm/boot/dts/omap36xx.dtsi
>> @@ -72,7 +72,6 @@ opp1g-1000000000 {
>> <1375000 1375000 1375000>;
>> /* only on am/dm37x with speed-binned bit set */
>> opp-supported-hw = <0xffffffff 2>;
>> - turbo-mode;
>> };
>> };
>>
>
next prev parent reply other threads:[~2021-10-01 9:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-09 17:01 [PATCH V2] ARM: dts: omap36xx: Remove turbo mode for 1GHz variants Adam Ford
2021-01-26 11:20 ` Tony Lindgren
2021-10-01 7:54 ` Andreas Kemnade
2021-10-01 9:59 ` H. Nikolaus Schaller [this message]
2021-10-02 12:12 ` Adam Ford
2021-10-07 18:00 ` Andreas Kemnade
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