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;
+}