diff --git a/local/recipes/system/redbear-quirks/source/quirks.d/65-iommu-amd.toml b/local/recipes/system/redbear-quirks/source/quirks.d/65-iommu-amd.toml
index f9e3b7f7a8..862261de66 100644
--- a/local/recipes/system/redbear-quirks/source/quirks.d/65-iommu-amd.toml
+++ b/local/recipes/system/redbear-quirks/source/quirks.d/65-iommu-amd.toml
@@ -25,18 +25,22 @@
 [[dmi_acpi_quirk]]
 match.sys_vendor = "Dell Inc."
 match.product_name = "Inspiron 7375"
+flags = ["suppress_ivrs"]
 
 # Dell Latitude 5495
 [[dmi_acpi_quirk]]
 match.sys_vendor = "Dell Inc."
 match.product_name = "Latitude 5495"
+flags = ["suppress_ivrs"]
 
 # Acer Aspire A315-41 — same quirk as Latitude 5495
 [[dmi_acpi_quirk]]
 match.sys_vendor = "Acer"
 match.product_name = "Aspire A315-41"
+flags = ["suppress_ivrs"]
 
 # Lenovo IdeaPad 330S-15ARR (board name 81FB)
 [[dmi_acpi_quirk]]
 match.sys_vendor = "LENOVO"
 match.product_name = "81FB"
+flags = ["suppress_ivrs"]