diff options
| author | Len Brown <len.brown@intel.com> | 2011-01-12 18:06:06 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-01-12 18:06:06 -0500 |
| commit | 56dbed129df3fdd4caf9018b6e7599ee258a5420 (patch) | |
| tree | b902491aef3a99efe0d9d49edd0f6e414dba654f /drivers/gpu/drm/nouveau/nouveau_pm.c | |
| parent | 2a2d31c8dc6f1ebcf5eab1d93a0cb0fb4ed57c7c (diff) | |
| parent | f878133bf022717b880d0e0995b8f91436fd605c (diff) | |
Merge branch 'linus' into idle-test
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_pm.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_pm.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.c b/drivers/gpu/drm/nouveau/nouveau_pm.c index 9f7b158f582..fb846a3fef1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_pm.c +++ b/drivers/gpu/drm/nouveau/nouveau_pm.c @@ -27,6 +27,10 @@ #include "nouveau_drv.h" #include "nouveau_pm.h" +#ifdef CONFIG_ACPI +#include <linux/acpi.h> +#endif +#include <linux/power_supply.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> @@ -418,8 +422,7 @@ nouveau_hwmon_init(struct drm_device *dev) return ret; } dev_set_drvdata(hwmon_dev, dev); - ret = sysfs_create_group(&hwmon_dev->kobj, - &hwmon_attrgroup); + ret = sysfs_create_group(&dev->pdev->dev.kobj, &hwmon_attrgroup); if (ret) { NV_ERROR(dev, "Unable to create hwmon sysfs file: %d\n", ret); @@ -446,6 +449,25 @@ nouveau_hwmon_fini(struct drm_device *dev) #endif } +#ifdef CONFIG_ACPI +static int +nouveau_pm_acpi_event(struct notifier_block *nb, unsigned long val, void *data) +{ + struct drm_nouveau_private *dev_priv = + container_of(nb, struct drm_nouveau_private, engine.pm.acpi_nb); + struct drm_device *dev = dev_priv->dev; + struct acpi_bus_event *entry = (struct acpi_bus_event *)data; + + if (strcmp(entry->device_class, "ac_adapter") == 0) { + bool ac = power_supply_is_system_supplied(); + + NV_DEBUG(dev, "power supply changed: %s\n", ac ? "AC" : "DC"); + } + + return NOTIFY_OK; +} +#endif + int nouveau_pm_init(struct drm_device *dev) { @@ -485,6 +507,10 @@ nouveau_pm_init(struct drm_device *dev) nouveau_sysfs_init(dev); nouveau_hwmon_init(dev); +#ifdef CONFIG_ACPI + pm->acpi_nb.notifier_call = nouveau_pm_acpi_event; + register_acpi_notifier(&pm->acpi_nb); +#endif return 0; } @@ -503,6 +529,9 @@ nouveau_pm_fini(struct drm_device *dev) nouveau_perf_fini(dev); nouveau_volt_fini(dev); +#ifdef CONFIG_ACPI + unregister_acpi_notifier(&pm->acpi_nb); +#endif nouveau_hwmon_fini(dev); nouveau_sysfs_fini(dev); } |