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Message-ID: <eada6628-c303-4161-8329-7a4a1d130e54@linaro.org>
Date: Wed, 9 Aug 2023 19:20:44 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Johan Hovold <johan@...nel.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
Andy Gross <agross@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Marijn Suijten <marijn.suijten@...ainline.org>,
linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 07/15] clk: qcom: gpucc-sm6115: Add runtime PM
On 18.07.2023 15:28, Konrad Dybcio wrote:
> On 18.07.2023 15:24, Johan Hovold wrote:
>> On Mon, Jul 17, 2023 at 05:19:14PM +0200, Konrad Dybcio wrote:
>>> The GPU_CC block on SM6115 is powered by the VDD_CX rail. We need to
>>> ensure that it's enabled to prevent unwanted power collapse.
>>
>> This bit is not correct, the power domain would not have been disabled
>> until you enable runtime PM as part of this very patch.
> Right, this was a bit of a thought-jump. The part that ensures there's
> any vote at all is actually the DT commit adding a reference to the
> genpd.
Well I read it again and I think my original intention was "it = the power
domain" and not "it = runtime PM", it makes sense that way..
Anyway, I'll rephrase that to make it less ambiguous.
Konrad
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