From patchwork Wed Jul 22 09:37:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ionela Voinescu X-Patchwork-Id: 11677911 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0664F13B6 for ; Wed, 22 Jul 2020 09:38:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EA6BF20787 for ; Wed, 22 Jul 2020 09:38:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729217AbgGVJiJ (ORCPT ); Wed, 22 Jul 2020 05:38:09 -0400 Received: from foss.arm.com ([217.140.110.172]:52972 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726147AbgGVJiJ (ORCPT ); Wed, 22 Jul 2020 05:38:09 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5F932101E; Wed, 22 Jul 2020 02:38:08 -0700 (PDT) Received: from e108754-lin.cambridge.arm.com (unknown [10.1.198.53]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id B09853F66F; Wed, 22 Jul 2020 02:38:06 -0700 (PDT) From: Ionela Voinescu To: rjw@rjwysocki.net, viresh.kumar@linaro.org, dietmar.eggemann@arm.com, catalin.marinas@arm.com, sudeep.holla@arm.com, will@kernel.org, linux@armlinux.org.uk Cc: mingo@redhat.com, peterz@infradead.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ionela.voinescu@arm.com Subject: [PATCH v2 0/7] cpufreq: improve frequency invariance support Date: Wed, 22 Jul 2020 10:37:25 +0100 Message-Id: <20200722093732.14297-1-ionela.voinescu@arm.com> X-Mailer: git-send-email 2.17.1 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Hi guys, Please find below the changes to this series: v1 -> v2: - v1 can be found at [1] - No cpufreq flags are introduced - Previous patches 2/8 and 3/8 were squashed in this series under 1/7, to ensure bisection. - 2/7 was introduced as a proposal for Viresh's suggestion to use policy->cur in the call to arch_set_freq_scale() and is extended to support drivers that implement the target() callback as well - Additional commit message changes are added to 1/7 and 2/7, to clarify that the definition of arch_set_freq_scale() will filter settings of the scale factor, if unwanted - 3/7 disables setting of the scale factor for CONFIG_BL_SWITCHER, as Dietmar suggested - Small change introduced in 4/7 to disable cpufreq-based frequency invariance for the users of the default arch_set_freq_scale() call which will not actually set a scale factor - build issue solved (reported by 0day test) - v2 is based on linux-next 20200716 - all functional tests in v1 were repeated for v2 [1] https://lore.kernel.org/lkml/20200701090751.7543-1-ionela.voinescu@arm.com/ Let me know what you think! Thank you, Ionela. Ionela Voinescu (3): cpufreq: set invariance scale factor on transition end arch_topology: disable frequency invariance for CONFIG_BL_SWITCHER cpufreq: report whether cpufreq supports Frequency Invariance (FI) Valentin Schneider (4): cpufreq: move invariance setter calls in cpufreq core arch_topology,cpufreq,sched/core: constify arch_* cpumasks arch_topology,arm,arm64: define arch_scale_freq_invariant() cpufreq: make schedutil the default for arm and arm64 arch/arm/include/asm/topology.h | 1 + arch/arm64/include/asm/topology.h | 1 + arch/arm64/kernel/topology.c | 9 ++++- drivers/base/arch_topology.c | 12 +++++-- drivers/cpufreq/Kconfig | 2 +- drivers/cpufreq/cpufreq-dt.c | 10 +----- drivers/cpufreq/cpufreq.c | 46 ++++++++++++++++++++++++-- drivers/cpufreq/qcom-cpufreq-hw.c | 9 +---- drivers/cpufreq/scmi-cpufreq.c | 12 ++----- drivers/cpufreq/scpi-cpufreq.c | 6 +--- drivers/cpufreq/vexpress-spc-cpufreq.c | 5 --- include/linux/arch_topology.h | 6 ++-- include/linux/cpufreq.h | 8 ++++- kernel/sched/core.c | 2 +- 14 files changed, 81 insertions(+), 48 deletions(-) base-commit: 4c43049f19a280329c1d01699f3cc8ad6910cbbe