[v5,5/5] cpufreq: qcom: Disable fast switch when scaling DDR/L3

Message ID 20200527202153.11659-6-sibis@codeaurora.org
State New
Headers show
Series
  • [v5,1/5] cpufreq: blacklist SDM845 in cpufreq-dt-platdev
Related show

Commit Message

Sibi Sankar May 27, 2020, 8:21 p.m.
Disable fast switch when the opp-tables required for scaling DDR/L3
are populated.

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

V5:
 * Drop dev_pm_opp_get_path_count [Saravana]

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

Patch

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index fbd73d106a3ae..ff6ad7ac38411 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -159,6 +159,8 @@  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++) {
@@ -308,8 +310,6 @@  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);