From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753943AbcDFVBy (ORCPT ); Wed, 6 Apr 2016 17:01:54 -0400 Received: from mail-yw0-f193.google.com ([209.85.161.193]:34743 "EHLO mail-yw0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753802AbcDFVBu (ORCPT ); Wed, 6 Apr 2016 17:01:50 -0400 From: Len Brown To: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Len Brown Subject: [PATCH 12/13] intel_idle: Add SKX support Date: Wed, 6 Apr 2016 17:00:58 -0400 Message-Id: <39dfffab84fd5f3693f0b96865ec2fef2e338e9f.1459975717.git.len.brown@intel.com> X-Mailer: git-send-email 2.8.0.rc4.16.g56331f8 In-Reply-To: <1459976459-2532-1-git-send-email-lenb@kernel.org> References: <1459976459-2532-1-git-send-email-lenb@kernel.org> In-Reply-To: <6513da0f2332d2333848af18e374b99f77c124aa.1459975717.git.len.brown@intel.com> References: <6513da0f2332d2333848af18e374b99f77c124aa.1459975717.git.len.brown@intel.com> Reply-To: Len Brown Organization: Intel Open Source Technology Center Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Len Brown SKX is similar to BDX Signed-off-by: Len Brown --- drivers/idle/intel_idle.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 7575699..d0ec343 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -660,6 +660,35 @@ static struct cpuidle_state skl_cstates[] = { .enter = NULL } }; +static struct cpuidle_state skx_cstates[] = { + { + .name = "C1-SKX", + .desc = "MWAIT 0x00", + .flags = MWAIT2flg(0x00), + .exit_latency = 2, + .target_residency = 2, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C1E-SKX", + .desc = "MWAIT 0x01", + .flags = MWAIT2flg(0x01), + .exit_latency = 10, + .target_residency = 20, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C6-SKX", + .desc = "MWAIT 0x20", + .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 133, + .target_residency = 600, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .enter = NULL } +}; + static struct cpuidle_state atom_cstates[] = { { .name = "C1E-ATM", @@ -968,6 +997,10 @@ static const struct idle_cpu idle_cpu_skl = { .disable_promotion_to_c1e = true, }; +static const struct idle_cpu idle_cpu_skx = { + .state_table = skx_cstates, + .disable_promotion_to_c1e = true, +}; static const struct idle_cpu idle_cpu_avn = { .state_table = avn_cstates, @@ -1014,6 +1047,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { ICPU(0x56, idle_cpu_bdw), ICPU(0x4e, idle_cpu_skl), ICPU(0x5e, idle_cpu_skl), + ICPU(0x55, idle_cpu_skx), ICPU(0x57, idle_cpu_knl), ICPU(0x5c, idle_cpu_bxt), {} -- 2.8.0.rc4.16.g56331f8