diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c
index 37b07c679c0e..535f021911c5 100644
--- a/drivers/dma/idxd/device.c
+++ b/drivers/dma/idxd/device.c
@@ -702,7 +702,7 @@ static void idxd_groups_clear_state(struct idxd_device *idxd)
 		group->use_rdbuf_limit = false;
 		group->rdbufs_allowed = 0;
 		group->rdbufs_reserved = 0;
-		if (idxd->hw.version < DEVICE_VERSION_2 && !tc_override) {
+		if (idxd->hw.version <= DEVICE_VERSION_2 && !tc_override) {
 			group->tc_a = 1;
 			group->tc_b = 1;
 		} else {
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index 6263d9825250..e0e0c7f286b6 100644
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -340,7 +340,7 @@ static int idxd_setup_groups(struct idxd_device *idxd)
 		}
 
 		idxd->groups[i] = group;
-		if (idxd->hw.version < DEVICE_VERSION_2 && !tc_override) {
+		if (idxd->hw.version <= DEVICE_VERSION_2 && !tc_override) {
 			group->tc_a = 1;
 			group->tc_b = 1;
 		} else {
diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c
index 33d94c67fedb..489a9d885076 100644
--- a/drivers/dma/idxd/sysfs.c
+++ b/drivers/dma/idxd/sysfs.c
@@ -327,7 +327,7 @@ static ssize_t group_traffic_class_a_store(struct device *dev,
 	if (idxd->state == IDXD_DEV_ENABLED)
 		return -EPERM;
 
-	if (idxd->hw.version < DEVICE_VERSION_2 && !tc_override)
+	if (idxd->hw.version <= DEVICE_VERSION_2 && !tc_override)
 		return -EPERM;
 
 	if (val < 0 || val > 7)
@@ -369,7 +369,7 @@ static ssize_t group_traffic_class_b_store(struct device *dev,
 	if (idxd->state == IDXD_DEV_ENABLED)
 		return -EPERM;
 
-	if (idxd->hw.version < DEVICE_VERSION_2 && !tc_override)
+	if (idxd->hw.version <= DEVICE_VERSION_2 && !tc_override)
 		return -EPERM;
 
 	if (val < 0 || val > 7)