linux-kernel - Re: [PATCH v3 0/5] RK3588 and Rock 5B dts additions: thermal, OPP and fan

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Date: Sat, 20 Apr 2024 19:53:58 +0200
From: Diederik de Haas <didi.debian@...ow.org>
To: Dragan Simic <dsimic@...jaro.org>, Alexey Charkov <alchark@...il.com>
Cc: Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 linux-rockchip@...ts.infradead.org,
 Daniel Lezcano <daniel.lezcano@...aro.org>,
 Viresh Kumar <viresh.kumar@...aro.org>, Chen-Yu Tsai <wens@...nel.org>,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/5] RK3588 and Rock 5B dts additions: thermal,
 OPP and fan

Hi Dragan and Alexey,

On Wednesday, 10 April 2024 11:28:09 CEST Dragan Simic wrote:
> > Can you rebase this patch set on Heiko's for-next branch [1]?
> > And then also fix the ordering of the nodes and the elements within
> > those nodes so that they match the current conventions?
> 
> Ah, thanks, this is a good reminder about the proposal for the plan
> for moving forward, which I promised to send a while ago. :)
> 
> > [1]
> > https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git/l
> > og/?h=for-next

I build a (Debian) kernel based off 6.9-rc4 + a whole bunch of patches, 
including this patch series. I got someone on #debian-arm to try it out on a 
Rock 5B and the dmesg output showed a number of items wrt thermal and OPP.

Some items that I filtered out from that dmesg output:

[    3.211716] hwmon hwmon0: temp1_input not attached to any thermal zone
[    3.908339] panthor fb000000.gpu: EM: OPP:900000 is inefficient
[   10.473061] cpu cpu0: EM: OPP:600000 is inefficient
[   10.473233] energy_model: Accessing cpu4 policy failed
[   10.585236] rockchip-thermal fec00000.tsadc: Missing rockchip,grf property

Attached is the full list of items I collected from that dmesg output which 
seem worth investigating. 

Maybe useful to investigate when moving forward?

Cheers,
  Diederik
View attachment "rock-5b-dmesg-issues.txt" of type "text/plain" (5768 bytes)

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