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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

Browse Source 
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI, i915: build fix (v2)
  acpi-cpufreq: fix printk typo and indentation
  ACPI processor: remove spurious newline from warning message
  drm/i915: acpi/video.c fix section mismatch warning
  ACPI: video: DMI workaround broken Acer 5315 BIOS enabling display brightness
  ACPI: video: DMI workaround broken eMachines E510 BIOS enabling display brightness
  ACPI: sanity check _PSS frequency to prevent cpufreq crash
  i7300_idle: allow testing on i5000-series hardware w/o re-compile
  PCI/ACPI: fix wrong ref count handling in acpi_pci_bind()
  cpuidle: fix AMD C1E suspend hang
  cpuidle: makes AMD C1E work in acpi_idle
This commit is contained in:
Linus Torvalds 2009-05-30 07:57:44 -07:00
commit 3b798a5231
10 changed files with 65 additions and 45 deletions
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4
arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
View File

@ -693,8 +693,8 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
if (perf->control_register.space_id == ACPI_ADR_SPACE_FIXED_HARDWARE &&
policy->cpuinfo.transition_latency > 20 * 1000) {
policy->cpuinfo.transition_latency = 20 * 1000;
printk_once(KERN_INFO "Capping off P-state tranision"
" latency at 20 uS\n");
printk_once(KERN_INFO
"P-state transition latency capped at 20 uS\n");
}
/* table init */

24
drivers/acpi/pci_bind.c
View File

@ -116,9 +116,6 @@ int acpi_pci_bind(struct acpi_device *device)
struct acpi_pci_data *pdata;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
acpi_handle handle;
struct pci_dev *dev;
struct pci_bus *bus;
if (!device || !device->parent)
return -EINVAL;
@ -176,20 +173,9 @@ int acpi_pci_bind(struct acpi_device *device)
* Locate matching device in PCI namespace. If it doesn't exist
* this typically means that the device isn't currently inserted
* (e.g. docking station, port replicator, etc.).
* We cannot simply search the global pci device list, since
* PCI devices are added to the global pci list when the root
* bridge start ops are run, which may not have happened yet.
*/
bus = pci_find_bus(data->id.segment, data->id.bus);
if (bus) {
list_for_each_entry(dev, &bus->devices, bus_list) {
if (dev->devfn == PCI_DEVFN(data->id.device,
data->id.function)) {
data->dev = dev;
break;
}
}
}
data->dev = pci_get_slot(pdata->bus,
PCI_DEVFN(data->id.device, data->id.function));
if (!data->dev) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Device %04x:%02x:%02x.%d not present in PCI namespace\n",
@ -259,9 +245,10 @@ int acpi_pci_bind(struct acpi_device *device)
end:
kfree(buffer.pointer);
if (result)
if (result) {
pci_dev_put(data->dev);
kfree(data);
}
return result;
}
@ -303,6 +290,7 @@ static int acpi_pci_unbind(struct acpi_device *device)
if (data->dev->subordinate) {
acpi_pci_irq_del_prt(data->id.segment, data->bus->number);
}
pci_dev_put(data->dev);
kfree(data);
end:

8
drivers/acpi/processor_idle.c
View File

@ -148,6 +148,9 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr,
if (cpu_has(&cpu_data(pr->id), X86_FEATURE_ARAT))
return;
if (boot_cpu_has(X86_FEATURE_AMDC1E))
type = ACPI_STATE_C1;
/*
* Check, if one of the previous states already marked the lapic
* unstable
@ -611,6 +614,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
switch (cx->type) {
case ACPI_STATE_C1:
cx->valid = 1;
acpi_timer_check_state(i, pr, cx);
break;
case ACPI_STATE_C2:
@ -830,11 +834,12 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
/* Do not access any ACPI IO ports in suspend path */
if (acpi_idle_suspend) {
acpi_safe_halt();
local_irq_enable();
cpu_relax();
return 0;
}
acpi_state_timer_broadcast(pr, cx, 1);
kt1 = ktime_get_real();
acpi_idle_do_entry(cx);
kt2 = ktime_get_real();
@ -842,6 +847,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
local_irq_enable();
cx->usage++;
acpi_state_timer_broadcast(pr, cx, 0);
return idle_time;
}

12
drivers/acpi/processor_perflib.c
View File

@ -309,9 +309,15 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
(u32) px->bus_master_latency,
(u32) px->control, (u32) px->status));
if (!px->core_frequency) {
printk(KERN_ERR PREFIX
"Invalid _PSS data: freq is zero\n");
/*
* Check that ACPI's u64 MHz will be valid as u32 KHz in cpufreq
*/
if (!px->core_frequency ||
((u32)(px->core_frequency * 1000) !=
(px->core_frequency * 1000))) {
printk(KERN_ERR FW_BUG PREFIX
"Invalid BIOS _PSS frequency: 0x%llx MHz\n",
px->core_frequency);
result = -EFAULT;
kfree(pr->performance->states);
goto end;

2
drivers/acpi/processor_throttling.c
View File

@ -840,7 +840,7 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
state = acpi_get_throttling_state(pr, value);
if (state == -1) {
ACPI_WARNING((AE_INFO,
"Invalid throttling state, reset\n"));
"Invalid throttling state, reset"));
state = 0;
ret = acpi_processor_set_throttling(pr, state);
if (ret)

18
drivers/acpi/video.c
View File

@ -570,6 +570,22 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710Z"),
},
},
{
.callback = video_set_bqc_offset,
.ident = "eMachines E510",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "EMACHINES"),
DMI_MATCH(DMI_PRODUCT_NAME, "eMachines E510"),
},
},
{
.callback = video_set_bqc_offset,
.ident = "Acer Aspire 5315",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
},
},
{}
};
@ -2334,7 +2350,7 @@ static int __init acpi_video_init(void)
return acpi_video_register();
}
void __exit acpi_video_exit(void)
void acpi_video_exit(void)
{
acpi_bus_unregister_driver(&acpi_video_bus);

2
drivers/dma/ioat_dma.c
View File

@ -173,7 +173,7 @@ static int ioat_dma_enumerate_channels(struct ioatdma_device *device)
xfercap = (xfercap_scale == 0 ? -1 : (1UL << xfercap_scale));
#ifdef CONFIG_I7300_IDLE_IOAT_CHANNEL
if (i7300_idle_platform_probe(NULL, NULL) == 0) {
if (i7300_idle_platform_probe(NULL, NULL, 1) == 0) {
device->common.chancnt--;
}
#endif

14
drivers/gpu/drm/Kconfig
View File

@ -67,12 +67,18 @@ config DRM_I830
will load the correct one.
config DRM_I915
tristate "i915 driver"
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB
select FRAMEBUFFER_CONSOLE if !EMBEDDED
tristate "i915 driver"
# i915 depends on ACPI_VIDEO when ACPI is enabled
# but for select to work, need to select ACPI_VIDEO's dependencies, ick
select VIDEO_OUTPUT_CONTROL if ACPI
select BACKLIGHT_CLASS_DEVICE if ACPI
select INPUT if ACPI
select ACPI_VIDEO if ACPI
help
Choose this option if you have a system that has Intel 830M, 845G,
852GM, 855GM 865G or 915G integrated graphics. If M is selected, the
@ -84,12 +90,6 @@ config DRM_I915
config DRM_I915_KMS
bool "Enable modesetting on intel by default"
depends on DRM_I915
# i915 KMS depends on ACPI_VIDEO when ACPI is enabled
# but for select to work, need to select ACPI_VIDEO's dependencies, ick
select VIDEO_OUTPUT_CONTROL if ACPI
select BACKLIGHT_CLASS_DEVICE if ACPI
select INPUT if ACPI
select ACPI_VIDEO if ACPI
help
Choose this option if you want kernel modesetting enabled by default,
and you have a new enough userspace to support this. Running old

6
drivers/idle/i7300_idle.c
View File

@ -41,6 +41,10 @@ static int debug;
module_param_named(debug, debug, uint, 0644);
MODULE_PARM_DESC(debug, "Enable debug printks in this driver");
static int forceload;
module_param_named(forceload, forceload, uint, 0644);
MODULE_PARM_DESC(debug, "Enable driver testing on unvalidated i5000");
#define dprintk(fmt, arg...) \
do { if (debug) printk(KERN_INFO I7300_PRINT fmt, ##arg); } while (0)
@ -552,7 +556,7 @@ static int __init i7300_idle_init(void)
cpus_clear(idle_cpumask);
total_us = 0;
if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev))
if (i7300_idle_platform_probe(&fbd_dev, &ioat_dev, forceload))
return -ENODEV;
if (i7300_idle_thrt_save())

20
include/linux/i7300_idle.h
View File

@ -16,35 +16,33 @@
struct fbd_ioat {
unsigned int vendor;
unsigned int ioat_dev;
unsigned int enabled;
};
/*
* The i5000 chip-set has the same hooks as the i7300
* but support is disabled by default because this driver
* has not been validated on that platform.
* but it is not enabled by default and must be manually
* manually enabled with "forceload=1" because it is
* only lightly validated.
*/
#define SUPPORT_I5000 0
static const struct fbd_ioat fbd_ioat_list[] = {
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT_CNB},
#if SUPPORT_I5000
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT},
#endif
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT_CNB, 1},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT, 0},
{0, 0}
};
/* table of devices that work with this driver */
static const struct pci_device_id pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_FBD_CNB) },
#if SUPPORT_I5000
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_5000_ERR) },
#endif
{ } /* Terminating entry */
};
/* Check for known platforms with I/O-AT */
static inline int i7300_idle_platform_probe(struct pci_dev **fbd_dev,
struct pci_dev **ioat_dev)
struct pci_dev **ioat_dev,
int enable_all)
{
int i;
struct pci_dev *memdev, *dmadev;
@ -69,6 +67,8 @@ static inline int i7300_idle_platform_probe(struct pci_dev **fbd_dev,
for (i = 0; fbd_ioat_list[i].vendor != 0; i++) {
if (dmadev->vendor == fbd_ioat_list[i].vendor &&
dmadev->device == fbd_ioat_list[i].ioat_dev) {
if (!(fbd_ioat_list[i].enabled || enable_all))
continue;
if (fbd_dev)
*fbd_dev = memdev;
if (ioat_dev)