From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754756AbcFPQoO (ORCPT ); Thu, 16 Jun 2016 12:44:14 -0400 Received: from mga11.intel.com ([192.55.52.93]:10635 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753899AbcFPQoM (ORCPT ); Thu, 16 Jun 2016 12:44:12 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,481,1459839600"; d="scan'208";a="977172868" From: Jacob Pan To: Len Brown , LKML , Linux PM , Rafael Wysocki Cc: Jacob Pan Subject: [PATCH] idle/intel: add denverton Date: Thu, 16 Jun 2016 09:42:29 -0700 Message-Id: <1466095349-5381-1-git-send-email-jacob.jun.pan@linux.intel.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Jacob Pan --- drivers/idle/intel_idle.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index c966492..633fc35 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -827,6 +827,35 @@ static struct cpuidle_state bxt_cstates[] = { .enter = NULL } }; +static struct cpuidle_state dnv_cstates[] = { + { + .name = "C1-DNV", + .desc = "MWAIT 0x00", + .flags = MWAIT2flg(0x00), + .exit_latency = 2, + .target_residency = 2, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C1E-DNV", + .desc = "MWAIT 0x01", + .flags = MWAIT2flg(0x01), + .exit_latency = 10, + .target_residency = 20, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C6-DNV", + .desc = "MWAIT 0x20", + .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 50, + .target_residency = 500, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .enter = NULL } +}; + /** * intel_idle * @dev: cpuidle_device @@ -1016,6 +1045,11 @@ static const struct idle_cpu idle_cpu_bxt = { .disable_promotion_to_c1e = true, }; +static const struct idle_cpu idle_cpu_dnv = { + .state_table = dnv_cstates, + .disable_promotion_to_c1e = true, +}; + #define ICPU(model, cpu) \ { X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&cpu } @@ -1052,6 +1086,7 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { ICPU(0x55, idle_cpu_skx), ICPU(0x57, idle_cpu_knl), ICPU(0x5c, idle_cpu_bxt), + ICPU(0x5f, idle_cpu_dnv), {} }; MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids); -- 1.9.1