From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C54C6C56202 for ; Tue, 24 Nov 2020 10:45:15 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 56B11206F9 for ; Tue, 24 Nov 2020 10:45:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rR7XmaQ2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 56B11206F9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:To: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=K/Bc7+OJRydLrCk2fHozVM6lm98i7iY/StmkoMaJ7nY=; b=rR7XmaQ2tve7JiOD0l6R4eF9pO 2fVGrdl71FyLBvYgbWJs8DlsTpkV3jHRPaK1YeasOdW2MIOKvziMTrlPdQMJ78teG06WU6Q1W6q9m UW8aWhjjFqW3NXGrKpp8oyzwVskUCB5+rPsj3kbkMT6DumGFcWzRrZSPEpIl+dMHQK/ox+C5aGQjB jw6+ZZddlVbK9cqb+A0zdFs3XkklYQDj5c/ummXK5lnAAEwJRji25ZnPq25reNsqksYfUVGAli0KJ KDhL4O3sysS+cNlrl7LDlIzbPqPg1DnzMHQFxKYvuQG3JOGxJBd5j3UBVsnZdPfAq1/uKHnSINweG k5hgf6ww==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1khVnz-0002fc-5c; Tue, 24 Nov 2020 10:44:15 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1khVnu-0002eL-RK for linux-arm-kernel@lists.infradead.org; Tue, 24 Nov 2020 10:44:12 +0000 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 2CCAD1396; Tue, 24 Nov 2020 02:44:08 -0800 (PST) Received: from e123648.arm.com (unknown [10.57.29.140]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 94D163F71F; Tue, 24 Nov 2020 02:44:05 -0800 (PST) From: Lukasz Luba To: linux-kernel@vger.kernel.org, sudeep.holla@arm.com, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Subject: [PATCH 1/2] firmware: arm_scmi: Add power_scale_mw_get() interface Date: Tue, 24 Nov 2020 10:43:45 +0000 Message-Id: <20201124104346.27167-2-lukasz.luba@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201124104346.27167-1-lukasz.luba@arm.com> References: <20201124104346.27167-1-lukasz.luba@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201124_054411_001895_0BEB8EC8 X-CRM114-Status: GOOD ( 14.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: rafael@kernel.org, viresh.kumar@linaro.org, morten.rasmussen@arm.com, lukasz.luba@arm.com, Dietmar.Eggemann@arm.com, cristian.marussi@arm.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add a new interface to the existing perf_ops and export the information about the power values scale. This would be used by the cpufreq driver and Energy Model framework to set the performance domains scale: milli-Watts or abstract scale. Suggested-by: Morten Rasmussen Reviewed-by: Cristian Marussi Signed-off-by: Lukasz Luba --- drivers/firmware/arm_scmi/perf.c | 8 ++++++++ include/linux/scmi_protocol.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 82fb3babff72..e374b1125fca 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -750,6 +750,13 @@ static bool scmi_fast_switch_possible(const struct scmi_handle *handle, return dom->fc_info && dom->fc_info->level_set_addr; } +static bool scmi_power_scale_mw_get(const struct scmi_handle *handle) +{ + struct scmi_perf_info *pi = handle->perf_priv; + + return pi->power_scale_mw; +} + static const struct scmi_perf_ops perf_ops = { .limits_set = scmi_perf_limits_set, .limits_get = scmi_perf_limits_get, @@ -762,6 +769,7 @@ static const struct scmi_perf_ops perf_ops = { .freq_get = scmi_dvfs_freq_get, .est_power_get = scmi_dvfs_est_power_get, .fast_switch_possible = scmi_fast_switch_possible, + .power_scale_mw_get = scmi_power_scale_mw_get, }; static int scmi_perf_set_notify_enabled(const struct scmi_handle *handle, diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index dd9e94849fc1..ecb3aad1a964 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -122,6 +122,7 @@ struct scmi_perf_ops { unsigned long *rate, unsigned long *power); bool (*fast_switch_possible)(const struct scmi_handle *handle, struct device *dev); + bool (*power_scale_mw_get)(const struct scmi_handle *handle); }; /** -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel