From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.5]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 60BF918039; Wed, 31 Jul 2024 04:34:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722400484; cv=none; b=UImTXgKa0HuoVQ/ixjFiFKND2O05G4a0u01N6CIt2gxEp+nJWwFwudjQZkceuSpW7jN6dBkfeVYT/TnbuFYF4bYoL81efqGjNb5dMXC11Sc8W9fKuYVvCDllR6NJPzitJ9ZWMY2+VOudGMOAqXFRl3WZJhCeTNsCxXBRtGsLwsc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722400484; c=relaxed/simple; bh=V/VsL1iJdl/lK6/fE4RPn3MWXns7iKkHGw5IqqZ/5Lg=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=qVaCj3HMpZnmvY/ANOCc5c3zVbjMFU1RXyOM+xOuklTSc50lo1jsYtIEhr7A+JXlJ92MfSUiJJmOaxR2T9pF2z010sSoN+5rIQ3tD4cihqFfceUwKaFbM7YdWYS/gbUhLbYPpDmVGreklwGmExEOiXg18CKSgfygxYQUbUEpuEg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=fail (1024-bit key) header.d=163.com header.i=@163.com header.b=Janxiiu6 reason="signature verification failed"; arc=none smtp.client-ip=220.197.31.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=163.com header.i=@163.com header.b="Janxiiu6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:Content-Type:MIME-Version: Message-ID; bh=QDgJcuUHtS0SBybOgwNpLvXjX2NfykPkpulIsNo07AE=; b=J anxiiu62deFbXXuRuU5b+BOBuXhEJWLpVoQlW1a8hfANdWuO4LNTbSgNchtEW2PX BzsmDowQK9N/hr10HkWSSKS7acfxBCD+y3oSQpXeAxs6xE/+T9Y41B2RhRuU8YRy 9jpwXPFi/G93MCBfqbN7OEODayU1elVpGYVd3sciQU= Received: from 00107082$163.com ( [111.35.189.52] ) by ajax-webmail-wmsvr-40-104 (Coremail) ; Wed, 31 Jul 2024 12:33:36 +0800 (CST) Date: Wed, 31 Jul 2024 12:33:36 +0800 (CST) From: "David Wang" <00107082@163.com> To: "Xiaojian Du" Cc: perry.yuan@amd.com, Alexander.Deucher@amd.com, Li.Meng@amd.com, Mario.Limonciello@amd.com, Xiaojian.Du@amd.com, Xinmei.Huang@amd.com, gautham.shenoy@amd.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, rafael.j.wysocki@intel.com, viresh.kumar@linaro.org Subject: Re: [Regression] 6.11.0-rc1: AMD CPU boot with error when CPPC feature disabled by BIOS X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20230109(dcb5de15) Copyright (c) 2002-2024 www.mailtech.cn 163com In-Reply-To: <7e2275d5-19dc-555e-e8e1-ed79b408c0e3@amd.com> References: <20240730140111.4491-1-00107082@163.com> <1d5f4859-6810-355f-3e0e-ed1c9e53c3f4@amd.com> <2c2569aa.47a.191062d0d40.Coremail.00107082@163.com> <9c229562-06f8-fad8-8f3d-a236733ce699@amd.com> <51a44058.3913.19106dea781.Coremail.00107082@163.com> <7e2275d5-19dc-555e-e8e1-ed79b408c0e3@amd.com> X-NTES-SC: AL_Qu2ZAPibv0wq4CaQZ+kZnEYQheY4XMKyuPkg1YJXOp80tiTLyB48X0BMLXjU0f6EMzKxjye1dBdoxcZGUIRpYpkwYpNAGAUCb3CbjOKIT5m/ Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <6cddbf5f.4164.1910710a3b2.Coremail.00107082@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:_____wD3n6uhvqlmWiNNAA--.43203W X-CM-SenderInfo: qqqrilqqysqiywtou0bp/1tbiqRQtqmVOB4NuvQAEsC X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== QXQgMjAyNC0wNy0zMSAxMjoyMTowNSwgIlhpYW9qaWFuIER1IiA8eGlhb2ppZHVAYW1kLmNvbT4g d3JvdGU6Cj4KPk9uIDIwMjQvNy8zMSAxMTozOSwgRGF2aWQgV2FuZyB3cm90ZToKPj4gQXQgMjAy NC0wNy0zMSAxMToxNjoxNCwgIlhpYW9qaWFuIER1IiA8eGlhb2ppZHVAYW1kLmNvbT4gd3JvdGU6 Cj4+PiBPbiAyMDI0LzcvMzEgODoyNSwgRGF2aWQgV2FuZyB3cm90ZToKPj4+PiBIaSBEdSwKPj4+ Pgo+Pj4+IFRoYW5rcyBmb3IgdGhlIHF1aWNrIHJlc3BvbnNlCj4+Pj4KPj4+PiAuLi4KPj4+PiBJ IGZlZWwgdGhhdCB5b3UgYXJlIGFyZ3VpbmcgZm9yIHRoZSB3YXJuaW5nIGFuZCB0aGUgZXJyb3Jz IHNlcGFyYXRlbHkuCj4+Pj4gU2VwYXJhdGVseSwgICBJIGFncmVlIHdhcm5pbmcgb3IgZXJyb3Ig bWVzc2FnZSBtYWtlIHNlbnNlIGFzIHlvdSBleHBsYWluZWQsICBidXQgdG9nZXRoZXIgSSBmZWVs IGNvbmZ1c2VkOgo+Pj4+IFJlY2VpdmluZyBhIHdhcm5pbmcgdGhhdCBDUFBDIGZlYXR1cmUgaXMg ZGlzYWJsZSBieSBCSU9TIGFscmVhZHkgbm90aWZ5IHVzZXJzIHRoYXQgYW1kLXBzdGF0ZSB3b3Vs ZCBub3Qgd29yaywgcmlnaHQ/Cj5XYXJuaW5nIGlzIG5vdCBlbm91Z2gsIGVycm9yIHdpbGwgZ3Vp ZGUgdXNlciB0byBzd2l0Y2ggdG8gYWNwaSBjcHUgCj5kcml2ZXIgb3Igc2VlayBtb3JlIHN1cHBv cnQgZnJvbSBPRU0uCj4+Pj4gSXMgaXQgcG9zc2libGUsIHRoYXQgdGhvc2UgdHdvIGNvbmRpdGlv biBjb2V4aXN0czogQ1BQQyBpcyBkaXNhYmxlZCBieSBCSU9TLCBhbmQgIGFtZC1wc3RhdGUgY291 bGQgZnVuY3Rpb24gcHJvcGVybHk/Cj4+Pj4KPj4+PiAgIAo+Cj5ObyBwb3NzaWJsZSwgdGhlIGN1 cnJlbnQgYW1kLXBzdGF0ZSBkcml2ZXIgaXMgYmFzZWQgb24gQ1BQQyBmZWF0dXJlLgo+Cj5UaGFu a3MuCj5YaWFvamlhbgo+CgpTbywgd2hhdCBhYm91dCB0aGUgcGF0Y2ggSSBtZW50aW9uZWQ6ICB3 aGVuIENQUEMgaXMgZGlzYWJsZWQgYnkgIEJJT1MsIHByaW50IHdhcm5pbmcgbWVzc2FnZSBhbmQg YWJvcnQgYW1kLXBzdGF0ZSBkcml2ZXIgcmVnaXN0cmF0aW9uPwooSSBtYWRlIGEgY29kZSBibG9j ayBtaXN0YWtlIGluIHRoZSBwYXRjaCBJIHBvc3RlZCBiZWZvcmUpCgpkaWZmIC0tZ2l0IGEvZHJp dmVycy9jcHVmcmVxL2FtZC1wc3RhdGUuYyBiL2RyaXZlcnMvY3B1ZnJlcS9hbWQtcHN0YXRlLmMK aW5kZXggNjhjNjE2YjU3MmYyLi5iMDZmYWVhNThmZDQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvY3B1 ZnJlcS9hbWQtcHN0YXRlLmMKKysrIGIvZHJpdmVycy9jcHVmcmVxL2FtZC1wc3RhdGUuYwpAQCAt MTgzNyw4ICsxODM3LDYgQEAgc3RhdGljIGJvb2wgYW1kX2NwcGNfc3VwcG9ydGVkKHZvaWQpCiAg ICAgICAgICogSWYgdGhlIENQUEMgZmVhdHVyZSBpcyBkaXNhYmxlZCBpbiB0aGUgQklPUyBmb3Ig cHJvY2Vzc29ycyB0aGF0IHN1cHBvcnQgTVNSLWJhc2VkIENQUEMsCiAgICAgICAgICogdGhlIEFN RCBQc3RhdGUgZHJpdmVyIG1heSBub3QgZnVuY3Rpb24gY29ycmVjdGx5LgogICAgICAgICAqIENo ZWNrIHRoZSBDUFBDIGZsYWcgYW5kIGRpc3BsYXkgYSB3YXJuaW5nIG1lc3NhZ2UgaWYgdGhlIHBs YXRmb3JtIHN1cHBvcnRzIENQUEMuCi0gICAgICAgICogTm90ZTogYmVsb3cgY2hlY2tpbmcgY29k ZSB3aWxsIG5vdCBhYm9ydCB0aGUgZHJpdmVyIHJlZ2lzdGVyYXRpb24gcHJvY2VzcyBiZWNhdXNl IG9mCi0gICAgICAgICogdGhlIGNvZGUgaXMgYWRkZWQgZm9yIGRlYnVnZ2luZyBwdXJwb3Nlcy4K ICAgICAgICAgKi8KICAgICAgICBpZiAoIWNwdV9mZWF0dXJlX2VuYWJsZWQoWDg2X0ZFQVRVUkVf Q1BQQykpIHsKICAgICAgICAgICAgICAgIGlmIChjcHVfZmVhdHVyZV9lbmFibGVkKFg4Nl9GRUFU VVJFX1pFTjEpIHx8IGNwdV9mZWF0dXJlX2VuYWJsZWQoWDg2X0ZFQVRVUkVfWkVOMikpIHsKQEAg LTE4NTYsNiArMTg1NCw3IEBAIHN0YXRpYyBib29sIGFtZF9jcHBjX3N1cHBvcnRlZCh2b2lkKQot ICAgICAgICBpZiAod2FybikKKyAgICAgICAgaWYgKHdhcm4pIHsKICAgICAgICAgICAgICAgIHBy X3dhcm5fb25jZSgiVGhlIENQUEMgZmVhdHVyZSBpcyBzdXBwb3J0ZWQgYnV0IGN1cnJlbnRseSBk aXNhYmxlZCBieSB0aGUgQklPUy5cbiIKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICJQbGVhc2UgZW5hYmxlIGl0IGlmIHlvdXIgQklPUyBoYXMgdGhlIENQUEMgb3B0aW9u LlxuIik7CisgICAgICAgICAgICAgICByZXR1cm4gZmFsc2U7CisgICAgICAgICB9CiAgICAgICAg cmV0dXJuIHRydWU7CiB9IAoKCgpUaGFua3MKRGF2aWQKCg==