From patchwork Mon Jun 29 05:34:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Rui" X-Patchwork-Id: 11631459 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 A79F2913 for ; Mon, 29 Jun 2020 18:57:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97D51206A1 for ; Mon, 29 Jun 2020 18:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726073AbgF2S5d (ORCPT ); Mon, 29 Jun 2020 14:57:33 -0400 Received: from mga05.intel.com ([192.55.52.43]:57272 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728942AbgF2S52 (ORCPT ); Mon, 29 Jun 2020 14:57:28 -0400 IronPort-SDR: YicFCowbxuoQM4Gw4wwtqvmk5B9wNcA7wZ7hVFiNtpGavry5L/SEb7f68WuXkhszTB7jLyh4fa co4UDkPQjvfA== X-IronPort-AV: E=McAfee;i="6000,8403,9666"; a="230725847" X-IronPort-AV: E=Sophos;i="5.75,294,1589266800"; d="scan'208";a="230725847" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jun 2020 22:34:57 -0700 IronPort-SDR: nKb8wG9RWla5JJT3JADlZfStBphHCrokT3cd2SE9MXtJwU7d+r9MrbeDaputaYyzY1SWR1ZVp9 tRt4gIOfc39A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,294,1589266800"; d="scan'208";a="480662173" Received: from jielin1-mobl.ccr.corp.intel.com (HELO rzhang1-mobile.ccr.corp.intel.com) ([10.249.173.170]) by fmsmga005.fm.intel.com with ESMTP; 28 Jun 2020 22:34:54 -0700 From: Zhang Rui To: rjw@rjwysocki.net Cc: linux-pm@vger.kernel.org, Zhang Rui Subject: [PATCH] powercap/intel_rapl: add support for Sapphire Rapids Date: Mon, 29 Jun 2020 13:34:50 +0800 Message-Id: <20200629053450.12392-1-rui.zhang@intel.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 RAPL on SPR behaves similar to HSW server, except that SPR uses a fixed energy unit (1 Joule) for the PSYS RAPL domain. Signed-off-by: Zhang Rui --- drivers/powercap/intel_rapl_common.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c index 61a63a16b5e7..b739ce4f390d 100644 --- a/drivers/powercap/intel_rapl_common.c +++ b/drivers/powercap/intel_rapl_common.c @@ -93,6 +93,7 @@ struct rapl_defaults { u64 (*compute_time_window)(struct rapl_package *rp, u64 val, bool to_raw); unsigned int dram_domain_energy_unit; + unsigned int psys_domain_energy_unit; }; static struct rapl_defaults *rapl_defaults; @@ -533,12 +534,23 @@ static void rapl_init_domains(struct rapl_package *rp) for (j = 0; j < RAPL_DOMAIN_REG_MAX; j++) rd->regs[j] = rp->priv->regs[i][j]; - if (i == RAPL_DOMAIN_DRAM) { + switch (i) { + case RAPL_DOMAIN_DRAM: rd->domain_energy_unit = rapl_defaults->dram_domain_energy_unit; if (rd->domain_energy_unit) pr_info("DRAM domain energy unit %dpj\n", rd->domain_energy_unit); + break; + case RAPL_DOMAIN_PLATFORM: + rd->domain_energy_unit = + rapl_defaults->psys_domain_energy_unit; + if (rd->domain_energy_unit) + pr_info("Platform domain energy unit %dpj\n", + rd->domain_energy_unit); + break; + default: + break; } rd++; } @@ -919,6 +931,14 @@ static const struct rapl_defaults rapl_defaults_hsw_server = { .dram_domain_energy_unit = 15300, }; +static const struct rapl_defaults rapl_defaults_spr_server = { + .check_unit = rapl_check_unit_core, + .set_floor_freq = set_floor_freq_default, + .compute_time_window = rapl_compute_time_window_core, + .dram_domain_energy_unit = 15300, + .psys_domain_energy_unit = 1000000000, +}; + static const struct rapl_defaults rapl_defaults_byt = { .floor_freq_reg_addr = IOSF_CPU_POWER_BUDGET_CTL_BYT, .check_unit = rapl_check_unit_atom, @@ -978,6 +998,7 @@ static const struct x86_cpu_id rapl_ids[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE_L, &rapl_defaults_core), X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, &rapl_defaults_core), X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, &rapl_defaults_core), + X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &rapl_defaults_spr_server), X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT, &rapl_defaults_byt), X86_MATCH_INTEL_FAM6_MODEL(ATOM_AIRMONT, &rapl_defaults_cht),