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path: root/drivers/thunderbolt
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-rw-r--r--drivers/thunderbolt/debugfs.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/thunderbolt/debugfs.c b/drivers/thunderbolt/debugfs.c
index 834bcad42e9f..4339e706cc3a 100644
--- a/drivers/thunderbolt/debugfs.c
+++ b/drivers/thunderbolt/debugfs.c
@@ -1159,7 +1159,10 @@ static void port_cap_show(struct tb_port *port, struct seq_file *s,
if (tb_port_is_pcie_down(port) || tb_port_is_pcie_up(port)) {
length = PORT_CAP_PCIE_LEN;
} else if (tb_port_is_dpin(port) || tb_port_is_dpout(port)) {
- length = PORT_CAP_DP_LEN;
+ if (usb4_dp_port_bw_mode_supported(port))
+ length = PORT_CAP_DP_LEN + 1;
+ else
+ length = PORT_CAP_DP_LEN;
} else if (tb_port_is_usb3_down(port) ||
tb_port_is_usb3_up(port)) {
length = PORT_CAP_USB3_LEN;