From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rajendra Nayak Subject: [PATCH 7/7] soc: qcom: rpmpd: Add a max vote on all corners at init Date: Fri, 16 Mar 2018 09:38:24 +0530 Message-ID: <20180316040824.21472-8-rnayak@codeaurora.org> References: <20180316040824.21472-1-rnayak@codeaurora.org> Return-path: In-Reply-To: <20180316040824.21472-1-rnayak@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: viresh.kumar@linaro.org, sboyd@kernel.org, andy.gross@linaro.org, ulf.hansson@linaro.org Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Rajendra Nayak List-Id: linux-arm-msm@vger.kernel.org As we move from no clients/consumers in kernel voting on corners, to *some* voting and some not voting, we might end up in a situation where the clients which remove votes can adversly impact others who still don't have a way to vote. To avoid this situation, have a max vote on all corners at init. This should/can be removed once we have all clients moved to be able to vote/unvote for themselves. Signed-off-by: Rajendra Nayak --- drivers/soc/qcom/rpmpd.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c index 4058c5b450c6..ebdcf9398441 100644 --- a/drivers/soc/qcom/rpmpd.c +++ b/drivers/soc/qcom/rpmpd.c @@ -304,6 +304,15 @@ static int rpmpd_probe(struct platform_device *pdev) pm_genpd_init(&rpmpds[i]->pd, NULL, true); data->domains[i] = &rpmpds[i]->pd; + + /* + * Until we have all consumers voting on corners + * just vote the max corner on all PDs + * This should ideally be *removed* once we have + * all (most) consumers being able to vote + */ + rpmpd_set_performance(&rpmpds[i]->pd, MAX_RPMPD_STATE); + rpmpd_power_on(&rpmpds[i]->pd); } return of_genpd_add_provider_onecell(pdev->dev.of_node, data); -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation