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path: root/drivers/gpu/drm/i915/intel_opregion.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_opregion.c')
-rw-r--r--drivers/gpu/drm/i915/intel_opregion.c158
1 files changed, 94 insertions, 64 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index e034b4166d32..b8f106d9ecf8 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -773,70 +773,6 @@ static void intel_setup_cadls(struct drm_i915_private *dev_priv)
opregion->acpi->cadl[i] = 0;
}
-void intel_opregion_register(struct drm_i915_private *dev_priv)
-{
- struct intel_opregion *opregion = &dev_priv->opregion;
-
- if (!opregion->header)
- return;
-
- if (opregion->acpi) {
- intel_didl_outputs(dev_priv);
- intel_setup_cadls(dev_priv);
-
- /* Notify BIOS we are ready to handle ACPI video ext notifs.
- * Right now, all the events are handled by the ACPI video module.
- * We don't actually need to do anything with them. */
- opregion->acpi->csts = 0;
- opregion->acpi->drdy = 1;
-
- opregion->acpi_notifier.notifier_call = intel_opregion_video_event;
- register_acpi_notifier(&opregion->acpi_notifier);
- }
-
- if (opregion->asle) {
- opregion->asle->tche = ASLE_TCHE_BLC_EN;
- opregion->asle->ardy = ASLE_ARDY_READY;
- }
-}
-
-void intel_opregion_unregister(struct drm_i915_private *dev_priv)
-{
- struct intel_opregion *opregion = &dev_priv->opregion;
-
- if (!opregion->header)
- return;
-
- if (opregion->asle)
- opregion->asle->ardy = ASLE_ARDY_NOT_READY;
-
- cancel_work_sync(&dev_priv->opregion.asle_work);
-
- if (opregion->acpi) {
- opregion->acpi->drdy = 0;
-
- unregister_acpi_notifier(&opregion->acpi_notifier);
- opregion->acpi_notifier.notifier_call = NULL;
- }
-
- /* just clear all opregion memory pointers now */
- memunmap(opregion->header);
- if (opregion->rvda) {
- memunmap(opregion->rvda);
- opregion->rvda = NULL;
- }
- if (opregion->vbt_firmware) {
- kfree(opregion->vbt_firmware);
- opregion->vbt_firmware = NULL;
- }
- opregion->header = NULL;
- opregion->acpi = NULL;
- opregion->swsci = NULL;
- opregion->asle = NULL;
- opregion->vbt = NULL;
- opregion->lid_state = NULL;
-}
-
static void swsci_setup(struct drm_i915_private *dev_priv)
{
struct intel_opregion *opregion = &dev_priv->opregion;
@@ -1115,3 +1051,97 @@ intel_opregion_get_panel_type(struct drm_i915_private *dev_priv)
return ret - 1;
}
+
+void intel_opregion_register(struct drm_i915_private *i915)
+{
+ struct intel_opregion *opregion = &i915->opregion;
+
+ if (!opregion->header)
+ return;
+
+ if (opregion->acpi) {
+ opregion->acpi_notifier.notifier_call =
+ intel_opregion_video_event;
+ register_acpi_notifier(&opregion->acpi_notifier);
+ }
+
+ intel_opregion_resume(i915);
+}
+
+void intel_opregion_resume(struct drm_i915_private *i915)
+{
+ struct intel_opregion *opregion = &i915->opregion;
+
+ if (!opregion->header)
+ return;
+
+ if (opregion->acpi) {
+ intel_didl_outputs(i915);
+ intel_setup_cadls(i915);
+
+ /*
+ * Notify BIOS we are ready to handle ACPI video ext notifs.
+ * Right now, all the events are handled by the ACPI video
+ * module. We don't actually need to do anything with them.
+ */
+ opregion->acpi->csts = 0;
+ opregion->acpi->drdy = 1;
+ }
+
+ if (opregion->asle) {
+ opregion->asle->tche = ASLE_TCHE_BLC_EN;
+ opregion->asle->ardy = ASLE_ARDY_READY;
+ }
+
+ intel_opregion_notify_adapter(i915, PCI_D0);
+}
+
+void intel_opregion_suspend(struct drm_i915_private *i915, pci_power_t state)
+{
+ struct intel_opregion *opregion = &i915->opregion;
+
+ if (!opregion->header)
+ return;
+
+ intel_opregion_notify_adapter(i915, state);
+
+ if (opregion->asle)
+ opregion->asle->ardy = ASLE_ARDY_NOT_READY;
+
+ cancel_work_sync(&i915->opregion.asle_work);
+
+ if (opregion->acpi)
+ opregion->acpi->drdy = 0;
+}
+
+void intel_opregion_unregister(struct drm_i915_private *i915)
+{
+ struct intel_opregion *opregion = &i915->opregion;
+
+ intel_opregion_suspend(i915, PCI_D1);
+
+ if (!opregion->header)
+ return;
+
+ if (opregion->acpi_notifier.notifier_call) {
+ unregister_acpi_notifier(&opregion->acpi_notifier);
+ opregion->acpi_notifier.notifier_call = NULL;
+ }
+
+ /* just clear all opregion memory pointers now */
+ memunmap(opregion->header);
+ if (opregion->rvda) {
+ memunmap(opregion->rvda);
+ opregion->rvda = NULL;
+ }
+ if (opregion->vbt_firmware) {
+ kfree(opregion->vbt_firmware);
+ opregion->vbt_firmware = NULL;
+ }
+ opregion->header = NULL;
+ opregion->acpi = NULL;
+ opregion->swsci = NULL;
+ opregion->asle = NULL;
+ opregion->vbt = NULL;
+ opregion->lid_state = NULL;
+}