linux-kernel - Re: [PATCH 2/2] OPP: Disallow "opp-hz" property without a corresponding clk

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Message-ID: <20230125042145.hrjpnskywwqn7b6v@vireshk-i7>
Date:   Wed, 25 Jan 2023 09:51:45 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     Johan Hovold <johan@...nel.org>, Viresh Kumar <vireshk@...nel.org>,
        Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>,
        linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>, andersson@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] OPP: Disallow "opp-hz" property without a
 corresponding clk

On 21-11-22, 13:09, Manivannan Sadhasivam wrote:
> That's right. I have proposed to do the similar change to other SoCs as well
> once the series was completely merged. I thought of doing so for 6.3.
> 
> Btw, there seems to be one more candidate:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/qcom/sm8250.dtsi#n2537
> 
> Looks like newer SoCs that has the GMU within the GPU block doesn't have clock
> property. This is because, GMU is the one supplying clocks to the GPU unlike the
> old SoCs where the clocks used to come from GCC itself.
> 
> But we do have a GMU devicetree node, so it should be a matter of adding the
> clock provider support as done for cpufreq and represent it in devicetree.
> 
> I'll ping Rob Clark and see how to get it done.

Any update on this Mani ? I want to get the hack removed if possible.

-- 
viresh