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Merge branches 'bugzilla-14446', 'bugzilla-14753' and 'bugzilla-14824' into release

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This commit is contained in:
Len Brown 2009-12-24 01:17:01 -05:00
commit 309ddc53be
8 changed files with 137 additions and 71 deletions
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1
drivers/acpi/Makefile
View file

@ -32,6 +32,7 @@ acpi-$(CONFIG_ACPI_SLEEP) += proc.o
#
acpi-y += bus.o glue.o
acpi-y += scan.o
acpi-y += processor_pdc.o
acpi-y += ec.o
acpi-$(CONFIG_ACPI_DOCK) += dock.o
acpi-y += pci_root.o pci_link.o pci_irq.o pci_bind.o

14
drivers/acpi/blacklist.c
View file

@ -185,6 +185,12 @@ static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
acpi_osi_setup("!Windows 2006");
return 0;
}
static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
{
printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
acpi_osi_setup("!Windows 2009");
return 0;
}
static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
{
@ -211,6 +217,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "Sony VGN-SR290J"),
},
},
{
.callback = dmi_disable_osi_win7,
.ident = "ASUS K50IJ",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
},
},
/*
* BIOS invocation of _OSI(Linux) is almost always a BIOS bug.

2
drivers/acpi/bus.c
View file

@ -898,6 +898,8 @@ static int __init acpi_bus_init(void)
goto error1;
}
acpi_early_processor_set_pdc();
/*
* Maybe EC region is required at bus_scan/acpi_get_devices. So it
* is necessary to enable it as early as possible.

8
drivers/acpi/ec.c
View file

@ -916,6 +916,7 @@ static int ec_validate_ecdt(const struct dmi_system_id *id)
/* MSI EC needs special treatment, enable it */
static int ec_flag_msi(const struct dmi_system_id *id)
{
printk(KERN_DEBUG PREFIX "Detected MSI hardware, enabling workarounds.\n");
EC_FLAGS_MSI = 1;
EC_FLAGS_VALIDATE_ECDT = 1;
return 0;
@ -928,7 +929,12 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "JFL92") }, NULL},
{
ec_flag_msi, "MSI hardware", {
DMI_MATCH(DMI_BIOS_VENDOR, "Micro-Star"),
DMI_MATCH(DMI_BIOS_VENDOR, "Micro-Star")}, NULL},
{
ec_flag_msi, "MSI hardware", {
DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star")}, NULL},
{
ec_flag_msi, "MSI hardware", {
DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star")}, NULL},
{
ec_validate_ecdt, "ASUS hardware", {

1
drivers/acpi/internal.h
View file

@ -43,6 +43,7 @@ int acpi_power_transition(struct acpi_device *device, int state);
extern int acpi_power_nocheck;
int acpi_wakeup_device_init(void);
void acpi_early_processor_set_pdc(void);
/* --------------------------------------------------------------------------
Embedded Controller

69
drivers/acpi/processor_core.c
View file

@ -124,29 +124,6 @@ static const struct file_operations acpi_processor_info_fops = {
DEFINE_PER_CPU(struct acpi_processor *, processors);
struct acpi_processor_errata errata __read_mostly;
static int set_no_mwait(const struct dmi_system_id *id)
{
printk(KERN_NOTICE PREFIX "%s detected - "
"disabling mwait for CPU C-states\n", id->ident);
idle_nomwait = 1;
return 0;
}
static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
{
set_no_mwait, "IFL91 board", {
DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
{
set_no_mwait, "Extensa 5220", {
DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
{},
};
/* --------------------------------------------------------------------------
Errata Handling
@ -276,45 +253,6 @@ static int acpi_processor_errata(struct acpi_processor *pr)
return result;
}
/* --------------------------------------------------------------------------
Common ACPI processor functions
-------------------------------------------------------------------------- */
/*
* _PDC is required for a BIOS-OS handshake for most of the newer
* ACPI processor features.
*/
static int acpi_processor_set_pdc(struct acpi_processor *pr)
{
struct acpi_object_list *pdc_in = pr->pdc;
acpi_status status = AE_OK;
if (!pdc_in)
return status;
if (idle_nomwait) {
/*
* If mwait is disabled for CPU C-states, the C2C3_FFH access
* mode will be disabled in the parameter of _PDC object.
* Of course C1_FFH access mode will also be disabled.
*/
union acpi_object *obj;
u32 *buffer = NULL;
obj = pdc_in->pointer;
buffer = (u32 *)(obj->buffer.pointer);
buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
}
status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Could not evaluate _PDC, using legacy perf. control...\n"));
return status;
}
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
@ -825,9 +763,7 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
}
/* _PDC call should be done before doing anything else (if reqd.). */
arch_acpi_processor_init_pdc(pr);
acpi_processor_set_pdc(pr);
arch_acpi_processor_cleanup_pdc(pr);
#ifdef CONFIG_CPU_FREQ
acpi_processor_ppc_has_changed(pr, 0);
@ -1145,11 +1081,6 @@ static int __init acpi_processor_init(void)
if (!acpi_processor_dir)
return -ENOMEM;
#endif
/*
* Check whether the system is DMI table. If yes, OSPM
* should not use mwait for CPU-states.
*/
dmi_check_system(processor_idle_dmi_table);
result = cpuidle_register_driver(&acpi_idle_driver);
if (result < 0)
goto out_proc;

108
drivers/acpi/processor_pdc.c Normal file
View file

@ -0,0 +1,108 @@
#include <linux/dmi.h>
#include <acpi/acpi_drivers.h>
#include <acpi/processor.h>
#include "internal.h"
#define PREFIX "ACPI: "
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_pdc");
static int set_no_mwait(const struct dmi_system_id *id)
{
printk(KERN_NOTICE PREFIX "%s detected - "
"disabling mwait for CPU C-states\n", id->ident);
idle_nomwait = 1;
return 0;
}
static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
{
set_no_mwait, "IFL91 board", {
DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
{
set_no_mwait, "Extensa 5220", {
DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
{},
};
/*
* _PDC is required for a BIOS-OS handshake for most of the newer
* ACPI processor features.
*/
static int acpi_processor_eval_pdc(struct acpi_processor *pr)
{
struct acpi_object_list *pdc_in = pr->pdc;
acpi_status status = AE_OK;
if (!pdc_in)
return status;
if (idle_nomwait) {
/*
* If mwait is disabled for CPU C-states, the C2C3_FFH access
* mode will be disabled in the parameter of _PDC object.
* Of course C1_FFH access mode will also be disabled.
*/
union acpi_object *obj;
u32 *buffer = NULL;
obj = pdc_in->pointer;
buffer = (u32 *)(obj->buffer.pointer);
buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
}
status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
if (ACPI_FAILURE(status))
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Could not evaluate _PDC, using legacy perf. control.\n"));
return status;
}
void acpi_processor_set_pdc(struct acpi_processor *pr)
{
arch_acpi_processor_init_pdc(pr);
acpi_processor_eval_pdc(pr);
arch_acpi_processor_cleanup_pdc(pr);
}
EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);
static acpi_status
early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
{
struct acpi_processor pr;
pr.handle = handle;
/* x86 implementation looks at pr.id to determine some
* CPU capabilites. We can just hard code to 0 since we're
* assuming the CPUs in the system are homogenous and all
* have the same capabilities.
*/
pr.id = 0;
acpi_processor_set_pdc(&pr);
return AE_OK;
}
void acpi_early_processor_set_pdc(void)
{
/*
* Check whether the system is DMI table. If yes, OSPM
* should not use mwait for CPU-states.
*/
dmi_check_system(processor_idle_dmi_table);
acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
early_init_pdc, NULL, NULL, NULL);
}

3
include/acpi/processor.h
View file

@ -325,6 +325,9 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
#endif /* CONFIG_CPU_FREQ */
/* in processor_pdc.c */
void acpi_processor_set_pdc(struct acpi_processor *pr);
/* in processor_throttling.c */
int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
int acpi_processor_get_throttling_info(struct acpi_processor *pr);