From nobody Fri Dec 19 19:06:34 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 9B6FBC04A95 for ; Sat, 22 Oct 2022 08:25:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233732AbiJVIZr (ORCPT ); Sat, 22 Oct 2022 04:25:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36026 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233961AbiJVIYZ (ORCPT ); Sat, 22 Oct 2022 04:24:25 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC6622A716; Sat, 22 Oct 2022 00:59:41 -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 ams.source.kernel.org (Postfix) with ESMTPS id 350E3B82DF9; Sat, 22 Oct 2022 07:59:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6706EC433D6; Sat, 22 Oct 2022 07:59:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666425579; bh=PU8iaCs2iWQxeCCZgNEo4F7oo3UpqlSd8bf4uBmxP6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YL8yW9V0pxt7CrgyIzIBLOWz++R6AfBAnQsl3atYSkHU2LTgMP0Cn2TPSaylfY4jf DrDMZXLeAeB6a+2oRM4l1B8wLj3IQMeT3pWEwe7x58NpkmkOT+Gdy0J/MXg00Y3sx2 UgUAtbajCxysYFLwk81suaY8wtlF3n91ci8JgZCs= 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 5.19 547/717] cpufreq: intel_pstate: Add Tigerlake support in no-HWP mode Date: Sat, 22 Oct 2022 09:27:06 +0200 Message-Id: <20221022072522.559406934@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221022072415.034382448@linuxfoundation.org> References: <20221022072415.034382448@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