From: Kevin Hilman <khilman@baylibre.com>
To: Christian Hewitt <christianshewitt@gmail.com>,
Jerome Brunet <jbrunet@baylibre.com>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
joy.cho@hardkernel.com, narmstrong@baylibre.com,
linux-kernel@vger.kernel.org, Tim Lewis <elatllat@gmail.com>,
robh+dt@kernel.org, tobetter@gmail.com,
linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4] arm64: dts: meson: S922X: extend cpu opp-points
Date: Wed, 29 Apr 2020 11:54:53 -0700 [thread overview]
Message-ID: <7hd07qktqa.fsf@baylibre.com> (raw)
In-Reply-To: <2A9D3FBA-917A-42C7-9757-4316D6B3D284@gmail.com>
Christian Hewitt <christianshewitt@gmail.com> writes:
>> On 27 Apr 2020, at 1:06 pm, Jerome Brunet <jbrunet@baylibre.com> wrote:
>>
>> On Sun 26 Apr 2020 at 18:21, Tim Lewis <elatllat@gmail.com> wrote:
>>
>>> Add extra cpu pop points to allow mild overclock on S922X. The opp
>>> points are found in Hardkernel N2 sources [1] and testing shows no
>>> obvious issues on other S922X devices. Thermal throttling should
>>> keep things in-check if needed.
>>
>> The Odroid-N2 has a massive heatsink mounted.
>> Do we have any idea if this applies (is safe) on any other S922x
>> device ?
>
> I’ve tested it on several S922X box devices that I have, and also the
> original S922X version of the VIM3 - all have similar sized passive
> heatsinks about 20% the size of the N2 one. No obvious issues with
> Kodi software decoding to increase CPU usage. NB: The original patch
> submission was N2 specific and then reworked to apply to all S922X
> devices at Neil’s suggestion (after my TB and earlier comments).
Yes, we also have OPP lowering enabled by default (which I think Neil
mentioned earlier) so this should be safe (enough) to apply.
Queuing for v5.8,
Kevin
_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic
WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@baylibre.com>
To: Christian Hewitt <christianshewitt@gmail.com>,
Jerome Brunet <jbrunet@baylibre.com>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
joy.cho@hardkernel.com, narmstrong@baylibre.com,
linux-kernel@vger.kernel.org, Tim Lewis <elatllat@gmail.com>,
robh+dt@kernel.org, tobetter@gmail.com,
linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4] arm64: dts: meson: S922X: extend cpu opp-points
Date: Wed, 29 Apr 2020 11:54:53 -0700 [thread overview]
Message-ID: <7hd07qktqa.fsf@baylibre.com> (raw)
In-Reply-To: <2A9D3FBA-917A-42C7-9757-4316D6B3D284@gmail.com>
Christian Hewitt <christianshewitt@gmail.com> writes:
>> On 27 Apr 2020, at 1:06 pm, Jerome Brunet <jbrunet@baylibre.com> wrote:
>>
>> On Sun 26 Apr 2020 at 18:21, Tim Lewis <elatllat@gmail.com> wrote:
>>
>>> Add extra cpu pop points to allow mild overclock on S922X. The opp
>>> points are found in Hardkernel N2 sources [1] and testing shows no
>>> obvious issues on other S922X devices. Thermal throttling should
>>> keep things in-check if needed.
>>
>> The Odroid-N2 has a massive heatsink mounted.
>> Do we have any idea if this applies (is safe) on any other S922x
>> device ?
>
> I’ve tested it on several S922X box devices that I have, and also the
> original S922X version of the VIM3 - all have similar sized passive
> heatsinks about 20% the size of the N2 one. No obvious issues with
> Kodi software decoding to increase CPU usage. NB: The original patch
> submission was N2 specific and then reworked to apply to all S922X
> devices at Neil’s suggestion (after my TB and earlier comments).
Yes, we also have OPP lowering enabled by default (which I think Neil
mentioned earlier) so this should be safe (enough) to apply.
Queuing for v5.8,
Kevin
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Kevin Hilman <khilman@baylibre.com>
To: Christian Hewitt <christianshewitt@gmail.com>,
Jerome Brunet <jbrunet@baylibre.com>
Cc: Tim Lewis <elatllat@gmail.com>,
mark.rutland@arm.com, devicetree@vger.kernel.org,
joy.cho@hardkernel.com, narmstrong@baylibre.com,
linux-kernel@vger.kernel.org, robh+dt@kernel.org,
tobetter@gmail.com, linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4] arm64: dts: meson: S922X: extend cpu opp-points
Date: Wed, 29 Apr 2020 11:54:53 -0700 [thread overview]
Message-ID: <7hd07qktqa.fsf@baylibre.com> (raw)
In-Reply-To: <2A9D3FBA-917A-42C7-9757-4316D6B3D284@gmail.com>
Christian Hewitt <christianshewitt@gmail.com> writes:
>> On 27 Apr 2020, at 1:06 pm, Jerome Brunet <jbrunet@baylibre.com> wrote:
>>
>> On Sun 26 Apr 2020 at 18:21, Tim Lewis <elatllat@gmail.com> wrote:
>>
>>> Add extra cpu pop points to allow mild overclock on S922X. The opp
>>> points are found in Hardkernel N2 sources [1] and testing shows no
>>> obvious issues on other S922X devices. Thermal throttling should
>>> keep things in-check if needed.
>>
>> The Odroid-N2 has a massive heatsink mounted.
>> Do we have any idea if this applies (is safe) on any other S922x
>> device ?
>
> I’ve tested it on several S922X box devices that I have, and also the
> original S922X version of the VIM3 - all have similar sized passive
> heatsinks about 20% the size of the N2 one. No obvious issues with
> Kodi software decoding to increase CPU usage. NB: The original patch
> submission was N2 specific and then reworked to apply to all S922X
> devices at Neil’s suggestion (after my TB and earlier comments).
Yes, we also have OPP lowering enabled by default (which I think Neil
mentioned earlier) so this should be safe (enough) to apply.
Queuing for v5.8,
Kevin
next prev parent reply other threads:[~2020-04-29 18:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-26 16:21 [PATCH v4] arm64: dts: meson: S922X: extend cpu opp-points Tim Lewis
2020-04-26 16:21 ` Tim Lewis
2020-04-26 16:21 ` Tim Lewis
2020-04-27 9:06 ` Jerome Brunet
2020-04-27 9:06 ` Jerome Brunet
2020-04-27 9:06 ` Jerome Brunet
2020-04-27 9:19 ` Christian Hewitt
2020-04-27 9:19 ` Christian Hewitt
2020-04-27 9:19 ` Christian Hewitt
2020-04-29 18:54 ` Kevin Hilman [this message]
2020-04-29 18:54 ` Kevin Hilman
2020-04-29 18:54 ` Kevin Hilman
2020-04-29 19:41 ` patchwork-bot+linux-amlogic
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=7hd07qktqa.fsf@baylibre.com \
--to=khilman@baylibre.com \
--cc=christianshewitt@gmail.com \
--cc=devicetree@vger.kernel.org \
--cc=elatllat@gmail.com \
--cc=jbrunet@baylibre.com \
--cc=joy.cho@hardkernel.com \
--cc=linux-amlogic@lists.infradead.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=narmstrong@baylibre.com \
--cc=robh+dt@kernel.org \
--cc=tobetter@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.