From: Sibi Sankar <sibis@codeaurora.org>
To: viresh.kumar@linaro.org, sboyd@kernel.org,
georgi.djakov@linaro.org, bjorn.andersson@linaro.org,
saravanak@google.com, mka@chromium.org
Cc: nm@ti.com, agross@kernel.org, david.brown@linaro.org,
robh+dt@kernel.org, mark.rutland@arm.com, rjw@rjwysocki.net,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
dianders@chromium.org, vincent.guittot@linaro.org,
amit.kucheria@linaro.org, ulf.hansson@linaro.org,
lukasz.luba@arm.com, sudeep.holla@arm.com,
Sibi Sankar <sibis@codeaurora.org>
Subject: [PATCH v4 08/12] cpufreq: qcom: Disable fast switch when scaling ddr/l3
Date: Tue, 5 May 2020 01:52:39 +0530 [thread overview]
Message-ID: <20200504202243.5476-9-sibis@codeaurora.org> (raw)
In-Reply-To: <20200504202243.5476-1-sibis@codeaurora.org>
Disable fast switch when the icc paths required for scaling ddr/l3
are populated.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
---
drivers/cpufreq/qcom-cpufreq-hw.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 4fb489b69bc61..4b2c23dab3728 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -316,7 +316,9 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
dev_pm_opp_of_register_em(policy->cpus);
- policy->fast_switch_possible = true;
+ ret = dev_pm_opp_get_path_count(cpu_dev);
+ if (ret <= 0)
+ policy->fast_switch_possible = true;
return 0;
error:
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2020-05-04 20:24 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-04 20:22 [PATCH v4 00/12] DDR/L3 Scaling support on SDM845 and SC7180 SoCs Sibi Sankar
2020-05-04 20:22 ` [PATCH v4 01/12] arm64: dts: qcom: sdm845: Add SoC compatible to MTP Sibi Sankar
2020-05-06 12:32 ` Amit Kucheria
2020-05-04 20:22 ` [PATCH v4 02/12] cpufreq: blacklist SDM845 in cpufreq-dt-platdev Sibi Sankar
2020-05-06 12:32 ` Amit Kucheria
2020-05-04 20:22 ` [PATCH v4 03/12] cpufreq: blacklist SC7180 " Sibi Sankar
2020-05-06 12:33 ` Amit Kucheria
2020-05-04 20:22 ` [PATCH v4 04/12] OPP: Add and export helper to update voltage Sibi Sankar
2020-05-05 4:45 ` Viresh Kumar
2020-05-05 7:16 ` Sibi Sankar
2020-05-04 20:22 ` [PATCH v4 05/12] OPP: Add and export helper to set bandwidth Sibi Sankar
2020-05-04 20:22 ` [PATCH v4 06/12] cpufreq: qcom: Update the bandwidth levels on frequency change Sibi Sankar
2020-05-05 4:50 ` Viresh Kumar
2020-05-05 7:19 ` Sibi Sankar
2020-05-26 17:48 ` Sibi Sankar
2020-05-27 3:53 ` Viresh Kumar
2020-05-27 4:05 ` Viresh Kumar
2020-05-04 20:22 ` [PATCH v4 07/12] OPP: Add and export helper to get icc path count Sibi Sankar
2020-05-04 22:03 ` Saravana Kannan
2020-05-05 7:36 ` Sibi Sankar
2020-05-04 20:22 ` Sibi Sankar [this message]
2020-05-04 20:22 ` [PATCH v4 09/12] dt-bindings: interconnect: Add interconnect-tags bindings Sibi Sankar
2020-05-04 20:22 ` [PATCH v4 10/12] OPP: Add support for setting interconnect-tags Sibi Sankar
2020-05-05 4:56 ` Viresh Kumar
2020-05-05 7:17 ` Sibi Sankar
2020-05-04 20:22 ` [PATCH v4 11/12] arm64: dts: qcom: sdm845: Add cpu OPP tables Sibi Sankar
2020-05-04 20:22 ` [PATCH v4 12/12] arm64: dts: qcom: sc7180: " Sibi Sankar
2020-05-06 12:38 ` [PATCH v4 00/12] DDR/L3 Scaling support on SDM845 and SC7180 SoCs Amit Kucheria
2020-05-06 14:41 ` Sibi Sankar
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