From: Krishna Kurapati PSSNV <quic_kriskura@quicinc.com>
To: Konrad Dybcio <konrad.dybcio@linaro.org>,
Doug Anderson <dianders@chromium.org>
Cc: <cros-qcom-dts-watchers@chromium.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Rob Herring <robh@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Stephen Boyd <swboyd@chromium.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Matthias Kaehlcke <mka@chromium.org>,
<linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
<devicetree@vger.kernel.org>, <quic_ppratap@quicinc.com>,
<quic_jackp@quicinc.com>
Subject: Re: [PATCH 0/2] Disable SS instances in park mode for SC7180/ SC7280
Date: Fri, 31 May 2024 20:22:02 +0530 [thread overview]
Message-ID: <68621b7a-0079-49ad-adf0-71d1fe24bcf0@quicinc.com> (raw)
In-Reply-To: <33db558f-2863-4246-a06a-d94ae2efc0a1@linaro.org>
On 5/31/2024 8:11 PM, Konrad Dybcio wrote:
> On 31.05.2024 4:31 PM, Doug Anderson wrote:
>> Hi,
>>
>> On Fri, May 31, 2024 at 7:27 AM Krishna Kurapati PSSNV
>> <quic_kriskura@quicinc.com> wrote:
>>>
>>>> My only guess is that somehow SC8280XP is faster and that changes the
>>>> timing of how it handles interrupts. I guess you could try capping
>>>> your cpufreq in sysfs and see if that makes a difference in
>>>> reproducing. ;-) ...or maybe somehow SC8280XP has a newer version of
>>>> the IP where they've fixed this?
>>>>
>>>> It would be interesting if someone with a SDM845 dragonboard could try
>>>> replicating since that seems highly likely to reproduce, at least.
>>>>
>>>
>>> Hi Konrad, Doug,
>>>
>>> Usually on downstream we set this quirk only for all Gen-1 targets
>>> (not particularly for this testcase) but to avoid these kind of
>>> controller going dead issues. I can filter out the gen-1 targets (other
>>> than sc7280/sc7180) and send a separate series to add this quirk in all
>>> of them.
>>
>> Sounds like a plan to me!
>
> Yep!
>
> In case there are more gen1 platforms than what we have upstream, it would
> be of great utility if you could list them all, so that we can have a reference
> for future additions, Krishna.
>
I am not sure if I can give out info on targets that are not on
upstream. I will check internally if I can do that. Else we can just
ensure that from now on whenever a Gen-1 target is getting upstreamed,
this quirk is set.
Regards,
Krishna,
prev parent reply other threads:[~2024-05-31 14:52 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-30 8:25 Krishna Kurapati
2024-05-30 8:25 ` [PATCH 1/2] arm64: dts: qcom: sc7180: Disable SS instances in park mode Krishna Kurapati
2024-05-30 8:37 ` Dmitry Baryshkov
2024-05-30 13:30 ` Doug Anderson
2024-05-31 23:02 ` Bjorn Andersson
2024-05-30 8:25 ` [PATCH 2/2] arm64: dts: qcom: sc7280: " Krishna Kurapati
2024-05-30 13:31 ` Doug Anderson
2024-05-30 13:34 ` [PATCH 0/2] Disable SS instances in park mode for SC7180/ SC7280 Doug Anderson
2024-05-31 12:33 ` Konrad Dybcio
2024-05-31 14:17 ` Doug Anderson
2024-05-31 14:26 ` Konrad Dybcio
2024-05-31 14:27 ` Krishna Kurapati PSSNV
2024-05-31 14:31 ` Doug Anderson
2024-05-31 14:41 ` Konrad Dybcio
2024-05-31 14:52 ` Krishna Kurapati PSSNV [this message]
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=68621b7a-0079-49ad-adf0-71d1fe24bcf0@quicinc.com \
--to=quic_kriskura@quicinc.com \
--cc=andersson@kernel.org \
--cc=conor+dt@kernel.org \
--cc=cros-qcom-dts-watchers@chromium.org \
--cc=devicetree@vger.kernel.org \
--cc=dianders@chromium.org \
--cc=gregkh@linuxfoundation.org \
--cc=konrad.dybcio@linaro.org \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mka@chromium.org \
--cc=quic_jackp@quicinc.com \
--cc=quic_ppratap@quicinc.com \
--cc=robh@kernel.org \
--cc=swboyd@chromium.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®