On 12/4/2019 4:57 PM, Lee Daly wrote:
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: [email protected] Cc: [email protected] Signed-off-by: Lee Daly <[email protected]> --- 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; }
Acked-by: David Hunt <[email protected]>
