@@ -608,16 +608,16 @@ void intel_opregion_asle_intr(struct drm_i915_private *dev_priv)
#define ACPI_EV_LID (1<<1)
#define ACPI_EV_DOCK (1<<2)
-static struct intel_opregion *system_opregion;
-
+/*
+ * The only video events relevant to opregion are 0x80. These indicate either a
+ * docking event, lid switch or display switch request. In Linux, these are
+ * handled by the dock, button and video drivers.
+ */
static int intel_opregion_video_event(struct notifier_block *nb,
unsigned long val, void *data)
{
- /* The only video events relevant to opregion are 0x80. These indicate
- either a docking event, lid switch or display switch request. In
- Linux, these are handled by the dock, button and video drivers.
- */
-
+ struct intel_opregion *opregion = container_of(nb, struct intel_opregion,
+ acpi_notifier);
struct acpi_bus_event *event = data;
struct opregion_acpi *acpi;
int ret = NOTIFY_OK;
@@ -625,10 +625,7 @@ static int intel_opregion_video_event(struct notifier_block *nb,
if (strcmp(event->device_class, ACPI_VIDEO_CLASS) != 0)
return NOTIFY_DONE;
- if (!system_opregion)
- return NOTIFY_DONE;
-
- acpi = system_opregion->acpi;
+ acpi = opregion->acpi;
if (event->type == 0x80 && ((acpi->cevt & 1) == 0))
ret = NOTIFY_BAD;
@@ -638,10 +635,6 @@ static int intel_opregion_video_event(struct notifier_block *nb,
return ret;
}
-static struct notifier_block intel_opregion_notifier = {
- .notifier_call = intel_opregion_video_event,
-};
-
/*
* Initialise the DIDL field in opregion. This passes a list of devices to
* the firmware. Values are defined by section B.4.2 of the ACPI specification
@@ -797,8 +790,8 @@ void intel_opregion_register(struct drm_i915_private *dev_priv)
opregion->acpi->csts = 0;
opregion->acpi->drdy = 1;
- system_opregion = opregion;
- register_acpi_notifier(&intel_opregion_notifier);
+ opregion->acpi_notifier.notifier_call = intel_opregion_video_event;
+ register_acpi_notifier(&opregion->acpi_notifier);
}
if (opregion->asle) {
@@ -822,8 +815,8 @@ void intel_opregion_unregister(struct drm_i915_private *dev_priv)
if (opregion->acpi) {
opregion->acpi->drdy = 0;
- system_opregion = NULL;
- unregister_acpi_notifier(&intel_opregion_notifier);
+ unregister_acpi_notifier(&opregion->acpi_notifier);
+ opregion->acpi_notifier.notifier_call = NULL;
}
/* just clear all opregion memory pointers now */
@@ -49,6 +49,7 @@ struct intel_opregion {
u32 vbt_size;
u32 *lid_state;
struct work_struct asle_work;
+ struct notifier_block acpi_notifier;
};
#define OPREGION_SIZE (8 * 1024)
Get rid of the silly static variable. Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- drivers/gpu/drm/i915/intel_opregion.c | 31 ++++++++++++------------------- drivers/gpu/drm/i915/intel_opregion.h | 1 + 2 files changed, 13 insertions(+), 19 deletions(-)