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From: Sibi Sankar <sibis@codeaurora.org>
To: viresh.kumar@linaro.org, sboyd@kernel.org,
	georgi.djakov@linaro.org, saravanak@google.com, mka@chromium.org
Cc: nm@ti.com, bjorn.andersson@linaro.org, agross@kernel.org,
	rjw@rjwysocki.net, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	dianders@chromium.org, vincent.guittot@linaro.org,
	amit.kucheria@linaro.org, lukasz.luba@arm.com,
	sudeep.holla@arm.com, smasetty@codeaurora.org,
	Sibi Sankar <sibis@codeaurora.org>
Subject: [PATCH v6 5/5] cpufreq: qcom: Disable fast switch when scaling DDR/L3
Date: Sat,  6 Jun 2020 03:03:32 +0530	[thread overview]
Message-ID: <20200605213332.609-6-sibis@codeaurora.org> (raw)
In-Reply-To: <20200605213332.609-1-sibis@codeaurora.org>

Disable fast switch when the opp-tables required for scaling DDR/L3
are populated.

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
---

v6:
 * No change

v5:
 * Drop dev_pm_opp_get_path_count [Saravana]

 drivers/cpufreq/qcom-cpufreq-hw.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index 8fa6ab6e0e4b6..56f01049fd3a3 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -158,6 +158,8 @@ static int qcom_cpufreq_hw_read_lut(struct device *cpu_dev,
 	} else if (ret != -ENODEV) {
 		dev_err(cpu_dev, "Invalid opp table in device tree\n");
 		return ret;
+	} else {
+		policy->fast_switch_possible = true;
 	}
 
 	for (i = 0; i < LUT_MAX_ENTRIES; i++) {
@@ -307,8 +309,6 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
 
 	dev_pm_opp_of_register_em(policy->cpus);
 
-	policy->fast_switch_possible = true;
-
 	return 0;
 error:
 	devm_iounmap(dev, base);
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


  parent reply	other threads:[~2020-06-05 21:34 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-05 21:33 [PATCH v6 0/5] DDR/L3 Scaling support on SDM845 and SC7180 SoCs Sibi Sankar
2020-06-05 21:33 ` [PATCH v6 1/5] cpufreq: blacklist SDM845 in cpufreq-dt-platdev Sibi Sankar
2020-06-05 21:33 ` [PATCH v6 2/5] cpufreq: blacklist SC7180 " Sibi Sankar
2020-06-05 21:33 ` [PATCH v6 3/5] OPP: Add and export helper to set bandwidth Sibi Sankar
2020-06-15 16:58   ` Matthias Kaehlcke
2020-06-05 21:33 ` [PATCH v6 4/5] cpufreq: qcom: Update the bandwidth levels on frequency change Sibi Sankar
2020-06-15 17:25   ` Matthias Kaehlcke
2020-06-16 21:05     ` Sibi Sankar
2020-06-16 22:11       ` Matthias Kaehlcke
2020-06-17  4:52         ` Viresh Kumar
2020-06-17 16:43         ` Sibi Sankar
2020-06-18 17:05           ` Matthias Kaehlcke
2020-06-05 21:33 ` Sibi Sankar [this message]
2020-06-15 17:32   ` [PATCH v6 5/5] cpufreq: qcom: Disable fast switch when scaling DDR/L3 Matthias Kaehlcke
2020-06-08 10:27 ` [PATCH v6 0/5] DDR/L3 Scaling support on SDM845 and SC7180 SoCs Viresh Kumar
  -- strict thread matches above, loose matches on Subject: below --
2020-06-22  8:16 Sibi Sankar
2020-06-22  8:16 ` [PATCH v6 5/5] cpufreq: qcom: Disable fast switch when scaling DDR/L3 Sibi Sankar

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