From nobody Fri Oct 17 08:49:20 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA7DDC433FE for ; Wed, 19 Oct 2022 09:23:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230483AbiJSJXj (ORCPT ); Wed, 19 Oct 2022 05:23:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233434AbiJSJWw (ORCPT ); Wed, 19 Oct 2022 05:22:52 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20B52A46C; Wed, 19 Oct 2022 02:10:09 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6C6FC61883; Wed, 19 Oct 2022 09:08:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83DFAC43151; Wed, 19 Oct 2022 09:08:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666170480; bh=PU8iaCs2iWQxeCCZgNEo4F7oo3UpqlSd8bf4uBmxP6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f44t+UknV8umQghKnCptTrP4KsBheOel/wepXPv5+QBgwEVzqxOWH5c8B2LBVBLeq gufbUjRv4oqGiyAW8xQmcLkjNU6HBGrKOLbUQajzdwIhqgtbcwzL/Q1iK36pt6rghX FeuPeG1pVASk/kXWJEdQ+t5iyZuxd+bqBV3/LGrA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Doug Smythies , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.0 670/862] cpufreq: intel_pstate: Add Tigerlake support in no-HWP mode Date: Wed, 19 Oct 2022 10:32:37 +0200 Message-Id: <20221019083319.564436329@linuxfoundation.org> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221019083249.951566199@linuxfoundation.org> References: <20221019083249.951566199@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Doug Smythies [ Upstream commit 71bb5c82aaaea007167f3ba68d3a669c74d7d55d ] Users may disable HWP in firmware, in which case intel_pstate wouldn't load unless the CPU model is explicitly supported. Add TIGERLAKE to the list of CPUs that can register intel_pstate while not advertising the HWP capability. Without this change, an TIGERLAKE in no-HWP mode could only use the acpi_cpufreq frequency scaling driver. See also commits: d8de7a44e11f: cpufreq: intel_pstate: Add Skylake servers support fbdc21e9b038: cpufreq: intel_pstate: Add Icelake servers support in no-HWP = mode 706c5328851d: cpufreq: intel_pstate: Add Cometlake support in no-HWP mode Reported by: M. Cargi Ari Signed-off-by: Doug Smythies Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/cpufreq/intel_pstate.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 57cdb3679885..fc3ebeb0bbe5 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -2416,6 +2416,7 @@ static const struct x86_cpu_id intel_pstate_cpu_ids[]= =3D { X86_MATCH(SKYLAKE_X, core_funcs), X86_MATCH(COMETLAKE, core_funcs), X86_MATCH(ICELAKE_X, core_funcs), + X86_MATCH(TIGERLAKE, core_funcs), {} }; MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids); --=20 2.35.1