diff --git a/drivers/gpu/drm/xe/xe_query.c b/drivers/gpu/drm/xe/xe_query.c
index 29f847debb5c..995effcb904b 100644
--- a/drivers/gpu/drm/xe/xe_query.c
+++ b/drivers/gpu/drm/xe/xe_query.c
@@ -455,9 +455,10 @@ static int query_hwconfig(struct xe_device *xe,
 static size_t calc_topo_query_size(struct xe_device *xe)
 {
 	return xe->info.gt_count *
-		(3 * sizeof(struct drm_xe_query_topology_mask) +
+		(4 * sizeof(struct drm_xe_query_topology_mask) +
 		 sizeof_field(struct xe_gt, fuse_topo.g_dss_mask) +
 		 sizeof_field(struct xe_gt, fuse_topo.c_dss_mask) +
+		 sizeof_field(struct xe_gt, fuse_topo.l3_bank_mask) +
 		 sizeof_field(struct xe_gt, fuse_topo.eu_mask_per_dss));
 }
 
@@ -511,6 +512,12 @@ static int query_gt_topology(struct xe_device *xe,
 		if (err)
 			return err;
 
+		topo.type = DRM_XE_TOPO_L3_BANK;
+		err = copy_mask(&query_ptr, &topo, gt->fuse_topo.l3_bank_mask,
+				sizeof(gt->fuse_topo.l3_bank_mask));
+		if (err)
+			return err;
+
 		topo.type = DRM_XE_TOPO_EU_PER_DSS;
 		err = copy_mask(&query_ptr, &topo,
 				gt->fuse_topo.eu_mask_per_dss,
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
index 1446c3bae515..d7b0903c22b2 100644
--- a/include/uapi/drm/xe_drm.h
+++ b/include/uapi/drm/xe_drm.h
@@ -508,6 +508,7 @@ struct drm_xe_query_gt_list {
  *    containing the following in mask:
  *    ``DSS_COMPUTE    ff ff ff ff 00 00 00 00``
  *    means 32 DSS are available for compute.
+ *  - %DRM_XE_TOPO_L3_BANK - To query the mask of enabled L3 banks
  *  - %DRM_XE_TOPO_EU_PER_DSS - To query the mask of Execution Units (EU)
  *    available per Dual Sub Slices (DSS). For example a query response
  *    containing the following in mask:
@@ -520,6 +521,7 @@ struct drm_xe_query_topology_mask {
 
 #define DRM_XE_TOPO_DSS_GEOMETRY	1
 #define DRM_XE_TOPO_DSS_COMPUTE		2
+#define DRM_XE_TOPO_L3_BANK		3
 #define DRM_XE_TOPO_EU_PER_DSS		4
 	/** @type: type of mask */
 	__u16 type;