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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3C235E95A91 for ; Mon, 9 Oct 2023 13:23:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376427AbjJINXa (ORCPT ); Mon, 9 Oct 2023 09:23:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33302 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1376443AbjJINX3 (ORCPT ); Mon, 9 Oct 2023 09:23:29 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5AD9D9D for ; Mon, 9 Oct 2023 06:23:28 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 975EFC433C8; Mon, 9 Oct 2023 13:23:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1696857808; bh=xHMqZYjEgKmAh0V2I0P1ycJF/pjEkwYP1GNuUcTVSfU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hyY/A/XIqiHCNvuSJKcMYWncNsdtwU5n8pNdfSrotQLznbqmmauDFhfx05pgxZCZ1 BlkWabp36SEDGeIwGqBwzshddw2Rj5JnQtdb+tX+/dO5UYCxFshKxSinwQcVH0f0YY YocSwtXvZaT5D33F9n6xssdNlWrjK6skCAQy3OQw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Artem Bityutskiy , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.1 136/162] intel_idle: add Emerald Rapids Xeon support Date: Mon, 9 Oct 2023 15:01:57 +0200 Message-ID: <20231009130126.663777750@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231009130122.946357448@linuxfoundation.org> References: <20231009130122.946357448@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Artem Bityutskiy [ Upstream commit 74528edfbc664f9d2c927c4e5a44f1285598ed0f ] Emerald Rapids (EMR) is the next Intel Xeon processor after Sapphire Rapids (SPR). EMR C-states are the same as SPR C-states, and we expect that EMR C-state characteristics (latency and target residency) will be the same as in SPR. Therefore, add EMR support by using SPR C-states table. Signed-off-by: Artem Bityutskiy Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/idle/intel_idle.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index cfeb24d40d378..bb3d10099ba44 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -1430,6 +1430,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &idle_cpu_adl_l), X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_N, &idle_cpu_adl_n), X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &idle_cpu_spr), + X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &idle_cpu_spr), X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNL, &idle_cpu_knl), X86_MATCH_INTEL_FAM6_MODEL(XEON_PHI_KNM, &idle_cpu_knl), X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT, &idle_cpu_bxt), @@ -1862,6 +1863,7 @@ static void __init intel_idle_init_cstates_icpu(struct cpuidle_driver *drv) skx_idle_state_table_update(); break; case INTEL_FAM6_SAPPHIRERAPIDS_X: + case INTEL_FAM6_EMERALDRAPIDS_X: spr_idle_state_table_update(); break; case INTEL_FAM6_ALDERLAKE: -- 2.40.1