diff --git a/drivers/gpu/drm/xe/xe_ras.c b/drivers/gpu/drm/xe/xe_ras.c
index 44f4e1a3455b..74d5016d9ffe 100644
--- a/drivers/gpu/drm/xe/xe_ras.c
+++ b/drivers/gpu/drm/xe/xe_ras.c
@@ -131,6 +131,68 @@ static inline const char *comp_to_str(u8 component)
 	return xe_ras_components[component];
 }
 
+static struct pci_dev *find_usp_dev(struct pci_dev *pdev)
+{
+	struct pci_dev *vsp;
+
+	/*
+	 * Device Hierarchy:
+	 *
+	 * Upstream Switch Port (USP) --> Virtual Switch Port (VSP) --> SGunit (GPU endpoint)
+	 */
+	vsp = pci_upstream_bridge(pdev);
+	if (!vsp)
+		return NULL;
+
+	return pci_upstream_bridge(vsp);
+}
+
+static void ras_usp_aer_init(struct xe_device *xe)
+{
+	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
+	struct pci_dev *usp;
+	u16 aer_cap;
+	u32 status;
+
+	usp = find_usp_dev(pdev);
+	if (!usp)
+		return;
+
+	aer_cap = pci_find_ext_capability(usp, PCI_EXT_CAP_ID_ERR);
+	if (!aer_cap) {
+		dev_warn(&usp->dev, "AER capability unavailable\n");
+		return;
+	}
+
+	/*
+	 * Clear any stale Uncorrectable Internal Error Status event in Uncorrectable Error
+	 * Status Register.
+	 */
+	pci_read_config_dword(usp, aer_cap + PCI_ERR_UNCOR_STATUS, &status);
+	if (status & PCI_ERR_UNC_INTN)
+		pci_write_config_dword(usp, aer_cap + PCI_ERR_UNCOR_STATUS, PCI_ERR_UNC_INTN);
+
+	/*
+	 * All errors are steered to USP which is a PCIe AER Compliant device.
+	 * Downgrade all the errors to non-fatal to prevent PCIe bus driver
+	 * from triggering a Secondary Bus Reset (SBR). This allows error
+	 * detection, containment and recovery in the driver.
+	 *
+	 * The Uncorrectable Error Severity Register has the 'Uncorrectable
+	 * Internal Error Severity' set to fatal by default. Set this to
+	 * non-fatal and unmask the error.
+	 */
+
+	/* Downgrade Uncorrectable Internal Error to non-fatal */
+	pci_clear_and_set_config_dword(usp, aer_cap + PCI_ERR_UNCOR_SEVER, PCI_ERR_UNC_INTN, 0);
+
+	/* Unmask Uncorrectable Internal Error */
+	pci_clear_and_set_config_dword(usp, aer_cap + PCI_ERR_UNCOR_MASK, PCI_ERR_UNC_INTN, 0);
+
+	pci_save_state(usp);
+	dev_dbg(&usp->dev, "Uncorrectable Internal Errors downgraded and unmasked\n");
+}
+
 void xe_ras_counter_threshold_crossed(struct xe_device *xe,
 				      struct xe_sysctrl_event_response *response)
 {
@@ -274,7 +336,7 @@ int xe_ras_clear_counter(struct xe_device *xe, u8 severity, u8 component)
  * xe_ras_init - Initialize Xe RAS
  * @xe: xe device instance
  *
- * Register drm_ras nodes
+ * Initialize Xe RAS
  */
 void xe_ras_init(struct xe_device *xe)
 {
@@ -282,4 +344,10 @@ void xe_ras_init(struct xe_device *xe)
 		return;
 
 	xe_drm_ras_init(xe);
+
+	if (!xe->info.has_sysctrl)
+		return;
+
+	if (IS_ENABLED(CONFIG_PCIEAER))
+		ras_usp_aer_init(xe);
 }