From: Len Brown <lenb@kernel.org>
To: linux-acpi@vger.kernel.org, linux-pm@lists.linux-foundation.org
Cc: Len Brown <len.brown@intel.com>, linux-kernel@vger.kernel.org
Subject: [PATCH 27/52] intel_idle: initial IVB support
Date: Tue, 24 Jul 2012 23:41:23 -0400 [thread overview]
Message-ID: <6edab08c24f9141d69cfa4683a0a027d86ab303e.1343187617.git.len.brown@intel.com> (raw)
In-Reply-To: <1343187708-19532-1-git-send-email-lenb@kernel.org>
In-Reply-To: <6af1c4fc5227af65092ebc848989693562bfa3e8.1343187617.git.len.brown@intel.com>
From: Len Brown <len.brown@intel.com>
>From an OS point of view, IVB looks like SNB, but quicker.
Signed-off-by: Len Brown <len.brown@intel.com>
---
drivers/idle/intel_idle.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index d0f59c3..a759a4c 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -169,6 +169,38 @@ static struct cpuidle_state snb_cstates[MWAIT_MAX_NUM_CSTATES] = {
.enter = &intel_idle },
};
+static struct cpuidle_state ivb_cstates[MWAIT_MAX_NUM_CSTATES] = {
+ { /* MWAIT C0 */ },
+ { /* MWAIT C1 */
+ .name = "C1-IVB",
+ .desc = "MWAIT 0x00",
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 1,
+ .target_residency = 1,
+ .enter = &intel_idle },
+ { /* MWAIT C2 */
+ .name = "C3-IVB",
+ .desc = "MWAIT 0x10",
+ .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 59,
+ .target_residency = 156,
+ .enter = &intel_idle },
+ { /* MWAIT C3 */
+ .name = "C6-IVB",
+ .desc = "MWAIT 0x20",
+ .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 80,
+ .target_residency = 300,
+ .enter = &intel_idle },
+ { /* MWAIT C4 */
+ .name = "C7-IVB",
+ .desc = "MWAIT 0x30",
+ .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 87,
+ .target_residency = 300,
+ .enter = &intel_idle },
+};
+
static struct cpuidle_state atom_cstates[MWAIT_MAX_NUM_CSTATES] = {
{ /* MWAIT C0 */ },
{ /* MWAIT C1 */
@@ -347,6 +379,10 @@ static const struct idle_cpu idle_cpu_snb = {
.state_table = snb_cstates,
};
+static const struct idle_cpu idle_cpu_ivb = {
+ .state_table = ivb_cstates,
+};
+
#define ICPU(model, cpu) \
{ X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&cpu }
@@ -362,6 +398,7 @@ static const struct x86_cpu_id intel_idle_ids[] = {
ICPU(0x2f, idle_cpu_nehalem),
ICPU(0x2a, idle_cpu_snb),
ICPU(0x2d, idle_cpu_snb),
+ ICPU(0x3a, idle_cpu_ivb),
{}
};
MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids);
--
1.7.12.rc0
next prev parent reply other threads:[~2012-07-25 3:41 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-25 3:40 ACPI & Power Management Patches for Linux-3.6-merge - part 1 Len Brown
2012-07-25 3:40 ` [PATCH 01/52] ACPICA: AML Parser: Fix two possible memory leaks in error path Len Brown
2012-07-25 3:40 ` [PATCH 02/52] ACPICA: Object dump routines: Use common function for string output Len Brown
2012-07-25 3:40 ` [PATCH 03/52] ACPICA: Lint fixes for acpi_write, no functional changes Len Brown
2012-07-25 3:41 ` [PATCH 04/52] ACPICA: Add support for multiple notify handlers Len Brown
2012-07-25 3:41 ` [PATCH 05/52] ACPICA: Update to version 20120420 Len Brown
2012-07-25 3:41 ` [PATCH 06/52] ACPICA: Disassembler: Add support for Operation Region externals Len Brown
2012-07-25 3:41 ` [PATCH 07/52] ACPICA: ACPI 5/iASL: Add support for PCC keyword Len Brown
2012-07-25 3:41 ` [PATCH 08/52] ACPICA: iASL: Improved pathname support Len Brown
2012-07-25 3:41 ` [PATCH 09/52] ACPICA: Remove argument of acpi_os_wait_events_complete Len Brown
2012-07-25 3:41 ` [PATCH 10/52] ACPICA: Add FADT error message for GAS BitWidth overflow Len Brown
2012-07-25 3:41 ` [PATCH 11/52] ACPICA: Update to version 20120518 Len Brown
2012-07-25 3:41 ` [PATCH 12/52] cpuidle: remove unused hrtimer_peek_ahead_timers() call Len Brown
2012-07-25 3:41 ` [PATCH 13/52] cpuidle: add checks to avoid NULL pointer dereference Len Brown
2012-07-25 3:41 ` [PATCH 14/52] ACPI Battery: Added capacity Len Brown
2012-07-25 3:41 ` [PATCH 15/52] cpuidle: refactor out cpuidle_enter_state Len Brown
2012-07-25 3:41 ` [PATCH 16/52] cpuidle: fix error handling in __cpuidle_register_device Len Brown
2012-07-25 3:41 ` [PATCH 17/52] cpuidle: add support for states that affect multiple cpus Len Brown
2012-07-25 3:41 ` [PATCH 18/52] cpuidle: coupled: add parallel barrier function Len Brown
2012-07-25 3:41 ` [PATCH 19/52] drivers/thermal/spear_thermal.c: add Device Tree probing capability Len Brown
2012-07-25 3:41 ` [PATCH 20/52] ACPI: Add an interface to evaluate _OST Len Brown
2012-07-25 3:41 ` [PATCH 21/52] ACPI: Add _OST support for sysfs eject Len Brown
2012-07-25 3:41 ` [PATCH 22/52] ACPI: Add _OST support for ACPI CPU hotplug Len Brown
2012-07-25 3:41 ` [PATCH 23/52] ACPI: Add _OST support for ACPI memory hotplug Len Brown
2012-07-25 3:41 ` [PATCH 24/52] ACPI: Add _OST support for ACPI container hotplug Len Brown
2012-07-25 3:41 ` [PATCH 25/52] ACPI: Set hotplug _OST support bit to _OSC Len Brown
2012-07-25 3:41 ` [PATCH 26/52] ACPI, PM, Specify lowest allowed state for device sleep state Len Brown
2012-07-25 3:41 ` Len Brown [this message]
2012-07-25 3:41 ` [PATCH 28/52] ACPI: remove acpi_pad MAINTAINERS entry Len Brown
2012-07-25 3:41 ` [PATCH 29/52] ACPI: acpi_pad: rename "power_saving" thread to "acpi_pad" thread Len Brown
2012-07-25 3:41 ` [PATCH 30/52] ACPI, APEI: Fixup common access width firmware bug Len Brown
2012-07-25 3:41 ` [PATCH 31/52] ACPICA: Disassembler: Emit descriptions for ACPI predefined names Len Brown
2012-07-25 3:41 ` [PATCH 32/52] ACPICA: Utilities: conditionally compile backslash removal function Len Brown
2012-07-25 3:41 ` [PATCH 33/52] ACPICA: Update comments; no functional change Len Brown
2012-07-25 3:41 ` [PATCH 34/52] ACPICA: Add support for implicit notify on multiple devices Len Brown
2012-07-25 3:41 ` [PATCH 35/52] ACPICA: Update to version 20120620 Len Brown
2012-07-25 3:41 ` [PATCH 36/52] ACPI: acpi_pad: tune round_robin_time Len Brown
2012-07-25 3:41 ` [PATCH 37/52] ACPICA: Split exception code utilities to a new file, utexcep.c Len Brown
2012-07-25 3:41 ` [PATCH 38/52] ACPICA: Add new interfaces for BIOS(firmware) errors and warnings Len Brown
2012-07-25 3:41 ` [PATCH 39/52] ACPICA: Table manager: deploy new firmware error/warning interfaces Len Brown
2012-07-25 3:41 ` [PATCH 40/52] ACPICA: Fix some comment fields Len Brown
2012-07-25 3:41 ` [PATCH 41/52] ACPICA: Add PCC address space to space ID decode function Len Brown
2012-07-25 3:41 ` [PATCH 42/52] ACPICA: Split file: tbxface.c -> tbxfload.c Len Brown
2012-07-25 3:41 ` [PATCH 43/52] ACPICA: Add new ACPI table load/unload external interfaces Len Brown
2012-07-25 3:41 ` [PATCH 44/52] ACPICA: Update header files copyrights to 2012 Len Brown
2012-07-25 3:41 ` [PATCH 45/52] ACPICA: AcpiSrc: Fix some translation issues for Linux conversion Len Brown
2012-07-25 3:41 ` [PATCH 46/52] ACPICA: Update to version 20120711 Len Brown
2012-07-25 3:41 ` [PATCH 47/52] tools/power: turbostat v2 - re-write for efficiency Len Brown
2012-07-25 3:41 ` [PATCH 48/52] tools/power: turbostat: fix large c1% issue Len Brown
2012-07-25 13:03 ` Konrad Rzeszutek Wilk
2012-07-25 3:41 ` [PATCH 49/52] ACPI/AC: prevent OOPS on some boxes due to missing check power_supply_register() return value check Len Brown
2012-07-25 3:41 ` [PATCH 50/52] Thermal: Make Thermal trip points writeable Len Brown
2012-07-25 11:13 ` Rafael J. Wysocki
2012-07-25 11:15 ` [linux-pm] " R, Durgadoss
2012-07-25 3:41 ` [PATCH 51/52] Thermal: Add Hysteresis attributes Len Brown
2012-07-25 3:41 ` [PATCH 52/52] Thermal: Documentation update Len Brown
2012-07-25 6:47 ` [linux-pm] ACPI & Power Management Patches for Linux-3.6-merge - part 1 Amit Kachhap
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