Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <febaa3cd-f8c3-c35e-2f1d-403c80c132b8@linaro.org>
Date:   Tue, 18 Jul 2023 15:28:00 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.13.0
Subject: Re: [PATCH 07/15] clk: qcom: gpucc-sm6115: Add runtime PM
Content-Language: en-US
To:     Johan Hovold <johan@kernel.org>
Cc:     Bjorn Andersson <andersson@kernel.org>,
        Andy Gross <agross@kernel.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Marijn Suijten <marijn.suijten@somainline.org>,
        linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
References: <20230717-topic-branch_aon_cleanup-v1-0-27784d27a4f4@linaro.org>
 <20230717-topic-branch_aon_cleanup-v1-7-27784d27a4f4@linaro.org>
 <ZLaSpFFBzP_Yz5yY@hovoldconsulting.com>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <ZLaSpFFBzP_Yz5yY@hovoldconsulting.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: bulk

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.

Konrad