From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965250AbbJ0SCh (ORCPT ); Tue, 27 Oct 2015 14:02:37 -0400 Received: from mail-wi0-f175.google.com ([209.85.212.175]:36002 "EHLO mail-wi0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965011AbbJ0Rbi (ORCPT ); Tue, 27 Oct 2015 13:31:38 -0400 From: =?UTF-8?q?B=C3=A1lint=20Czobor?= To: "Rafael J. Wysocki" , Viresh Kumar Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Todd Poynor , =?UTF-8?q?B=C3=A1lint=20Czobor?= Subject: [PATCH 04/70] cpufreq: interactive: set at least hispeed when above hispeed load Date: Tue, 27 Oct 2015 18:29:52 +0100 Message-Id: <1445967059-6897-4-git-send-email-czoborbalint@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1445967059-6897-1-git-send-email-czoborbalint@gmail.com> References: <1445967059-6897-1-git-send-email-czoborbalint@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Todd Poynor If load is above go_hispeed_load, always go to at least hispeed_freq, even when reducing speed from a higher speed, not just when jumping up from minimum speed. Avoids running at a lower than intended speed after a burst of even higher load. Change-Id: I5b9d2a15ba25ce609b21bac7c724265cf6838dee Signed-off-by: Todd Poynor Signed-off-by: Bálint Czobor --- drivers/cpufreq/cpufreq_interactive.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/cpufreq_interactive.c b/drivers/cpufreq/cpufreq_interactive.c index e3bbe82..12345c7b 100644 --- a/drivers/cpufreq/cpufreq_interactive.c +++ b/drivers/cpufreq/cpufreq_interactive.c @@ -166,10 +166,14 @@ static void cpufreq_interactive_timer(unsigned long data) cpu_load = load_since_change; if (cpu_load >= go_hispeed_load) { - if (pcpu->policy->cur == pcpu->policy->min) + if (pcpu->policy->cur == pcpu->policy->min) { new_freq = hispeed_freq; - else + } else { new_freq = pcpu->policy->max * cpu_load / 100; + + if (new_freq < hispeed_freq) + new_freq = hispeed_freq; + } } else { new_freq = pcpu->policy->max * cpu_load / 100; } -- 1.7.9.5