From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59850 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751538AbdDJQJc (ORCPT ); Mon, 10 Apr 2017 12:09:32 -0400 Subject: Patch "x86/intel_idle: Add CPU model 0x4a (Atom Z34xx series)" has been added to the 4.9-stable tree To: gregkh@linuxfoundation.org, alexander.levin@verizon.com, andriy.shevchenko@linux.intel.com, len.brown@intel.com, stable@vger.kernel.org Cc: , From: Date: Mon, 10 Apr 2017 18:06:46 +0200 In-Reply-To: <20170404193158.19041-18-alexander.levin@verizon.com> Message-ID: <149184040622199@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled x86/intel_idle: Add CPU model 0x4a (Atom Z34xx series) to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: x86-intel_idle-add-cpu-model-0x4a-atom-z34xx-series.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Mon Apr 10 17:43:56 CEST 2017 From: alexander.levin@verizon.com Date: Tue, 4 Apr 2017 19:32:08 +0000 Subject: x86/intel_idle: Add CPU model 0x4a (Atom Z34xx series) To: "gregkh@linuxfoundation.org" Cc: "stable@vger.kernel.org" Message-ID: <20170404193158.19041-18-alexander.levin@verizon.com> From: Andy Shevchenko [ Upstream commit 5e7ec268fd48d63cfd0e3a9be6c6443f01673bd4 ] Add CPU ID for Atom Z34xx processors. Datasheets indicate support for this, detailed information about potential quirks or limitations are missing, though. So we just reuse the definition from official BSP code. Signed-off-by: Andy Shevchenko Signed-off-by: Len Brown Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/idle/intel_idle.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -724,6 +724,50 @@ static struct cpuidle_state atom_cstates { .enter = NULL } }; +static struct cpuidle_state tangier_cstates[] = { + { + .name = "C1-TNG", + .desc = "MWAIT 0x00", + .flags = MWAIT2flg(0x00), + .exit_latency = 1, + .target_residency = 4, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C4-TNG", + .desc = "MWAIT 0x30", + .flags = MWAIT2flg(0x30) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 100, + .target_residency = 400, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C6-TNG", + .desc = "MWAIT 0x52", + .flags = MWAIT2flg(0x52) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 140, + .target_residency = 560, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C7-TNG", + .desc = "MWAIT 0x60", + .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 1200, + .target_residency = 4000, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C9-TNG", + .desc = "MWAIT 0x64", + .flags = MWAIT2flg(0x64) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 10000, + .target_residency = 20000, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .enter = NULL } +}; static struct cpuidle_state avn_cstates[] = { { .name = "C1-AVN", @@ -978,6 +1022,10 @@ static const struct idle_cpu idle_cpu_at .state_table = atom_cstates, }; +static const struct idle_cpu idle_cpu_tangier = { + .state_table = tangier_cstates, +}; + static const struct idle_cpu idle_cpu_lincroft = { .state_table = atom_cstates, .auto_demotion_disable_flags = ATM_LNC_C6_AUTO_DEMOTE, @@ -1066,6 +1114,7 @@ static const struct x86_cpu_id intel_idl ICPU(INTEL_FAM6_SANDYBRIDGE_X, idle_cpu_snb), ICPU(INTEL_FAM6_ATOM_CEDARVIEW, idle_cpu_atom), ICPU(INTEL_FAM6_ATOM_SILVERMONT1, idle_cpu_byt), + ICPU(INTEL_FAM6_ATOM_MERRIFIELD, idle_cpu_tangier), ICPU(INTEL_FAM6_ATOM_AIRMONT, idle_cpu_cht), ICPU(INTEL_FAM6_IVYBRIDGE, idle_cpu_ivb), ICPU(INTEL_FAM6_IVYBRIDGE_X, idle_cpu_ivt), Patches currently in stable-queue which might be from gregkh@linuxfoundation.org are queue-4.9/staging-android-ashmem-lseek-failed-due-to-no-fmode_lseek.patch queue-4.9/arm64-dts-hisi-fix-hip06-sas-am-max-trans-quirk.patch queue-4.9/scsi-ufs-introduce-ufshcd_quirk_prdt_byte_gran-quirk.patch queue-4.9/acpi-button-change-default-behavior-to-lid_init_state-open.patch queue-4.9/usb-musb-da8xx-fix-host-mode-suspend.patch queue-4.9/drm-i915-fix-intel_bdw_ids-definition.patch queue-4.9/sysfs-be-careful-of-error-returns-from-ops-show.patch queue-4.9/mips-flush-wrong-invalid-ftlb-entry-for-huge-page.patch queue-4.9/mips-end-spinlocks-with-.insn.patch 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