From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934834AbdCLRdv (ORCPT ); Sun, 12 Mar 2017 13:33:51 -0400 Received: from cloudserver094114.home.net.pl ([79.96.170.134]:45630 "EHLO cloudserver094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934680AbdCLRco (ORCPT ); Sun, 12 Mar 2017 13:32:44 -0400 From: "Rafael J. Wysocki" To: Linux PM Cc: LKML , Srinivas Pandruvada Subject: [PATCH 01/14] cpufreq: intel_pstate: Update pid_params.sample_rate_ns in pid_param_set() Date: Sun, 12 Mar 2017 18:12:56 +0100 Message-ID: <1870069.9aRhgp95Gh@aspire.rjw.lan> User-Agent: KMail/4.14.10 (Linux/4.10.0+; KDE/4.14.9; x86_64; ; ) In-Reply-To: <5656785.7SEhxaGEOz@aspire.rjw.lan> References: <5656785.7SEhxaGEOz@aspire.rjw.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rafael J. Wysocki Fix the debugfs interface for PID tuning to actually update pid_params.sample_rate_ns on PID parameters updates, as changing pid_params.sample_rate_ms via debugfs has no effect now. Fixes: a4675fbc4a7a (cpufreq: intel_pstate: Replace timers with utilization update callbacks) Signed-off-by: Rafael J. Wysocki --- drivers/cpufreq/intel_pstate.c | 1 + 1 file changed, 1 insertion(+) Index: linux-pm/drivers/cpufreq/intel_pstate.c =================================================================== --- linux-pm.orig/drivers/cpufreq/intel_pstate.c +++ linux-pm/drivers/cpufreq/intel_pstate.c @@ -983,6 +983,7 @@ static void intel_pstate_update_policies static int pid_param_set(void *data, u64 val) { *(u32 *)data = val; + pid_params.sample_rate_ns = pid_params.sample_rate_ms * NSEC_PER_MSEC; intel_pstate_reset_all_pid(); return 0; }