This patch will ensure the correct max frequency of a core is set in
the lcore_power_info struct when disabling turbo, while using the
intel pstate driver.
Fixes: e6c6dc0f96c8 ("power: add p-state driver compatibility")
Cc: liang.j...@intel.com
Cc: sta...@dpdk.org
Signed-off-by: Lee Daly <lee.d...@intel.com>
---
lib/librte_power/power_pstate_cpufreq.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/lib/librte_power/power_pstate_cpufreq.c
b/lib/librte_power/power_pstate_cpufreq.c
index 336c13869..d2ac75123 100644
--- a/lib/librte_power/power_pstate_cpufreq.c
+++ b/lib/librte_power/power_pstate_cpufreq.c
@@ -810,7 +810,15 @@ power_pstate_disable_turbo(unsigned int lcore_id)
pi->turbo_enable = 0;
-
+ if ((pi->turbo_available) && (pi->curr_idx <= 1)) {
+ /* Try to set freq to max by default coming out of turbo */
+ if (power_pstate_cpufreq_freq_max(lcore_id) < 0) {
+ RTE_LOG(ERR, POWER,
+ "Failed to set frequency of lcore %u to max\n",
+ lcore_id);
+ return -1;
+ }
+ }
return 0;
}
--
2.17.1
