drm/radeon: re-organize the acpi notifier callback
Move it out of the radeon_pm.c and into radeon_acpi.c since
we use it for more than just pm now.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c
index b052a55..ea22f44 100644
--- a/drivers/gpu/drm/radeon/radeon_acpi.c
+++ b/drivers/gpu/drm/radeon/radeon_acpi.c
@@ -24,6 +24,7 @@
#include <linux/pci.h>
#include <linux/acpi.h>
#include <linux/slab.h>
+#include <linux/power_supply.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acpi_bus.h>
#include <acpi/video.h>
@@ -38,6 +39,10 @@
#include <linux/vga_switcheroo.h>
+#define ACPI_AC_CLASS "ac_adapter"
+
+extern void radeon_pm_acpi_event_handler(struct radeon_device *rdev);
+
struct atif_verify_interface {
u16 size; /* structure size in bytes (includes size field) */
u16 version; /* version */
@@ -299,6 +304,26 @@
return NOTIFY_OK;
}
+static int radeon_acpi_event(struct notifier_block *nb,
+ unsigned long val,
+ void *data)
+{
+ struct radeon_device *rdev = container_of(nb, struct radeon_device, acpi_nb);
+ struct acpi_bus_event *entry = (struct acpi_bus_event *)data;
+
+ if (strcmp(entry->device_class, ACPI_AC_CLASS) == 0) {
+ if (power_supply_is_system_supplied() > 0)
+ DRM_DEBUG_DRIVER("pm: AC\n");
+ else
+ DRM_DEBUG_DRIVER("pm: DC\n");
+
+ radeon_pm_acpi_event_handler(rdev);
+ }
+
+ /* Check for pending SBIOS requests */
+ return radeon_atif_handler(rdev, entry);
+}
+
/* Call all ACPI methods here */
int radeon_acpi_init(struct radeon_device *rdev)
{
@@ -367,6 +392,13 @@
}
out:
+ rdev->acpi_nb.notifier_call = radeon_acpi_event;
+ register_acpi_notifier(&rdev->acpi_nb);
+
return ret;
}
+void radeon_acpi_fini(struct radeon_device *rdev)
+{
+ unregister_acpi_notifier(&rdev->acpi_nb);
+}