Commit 75abb4f5 authored by Gil Fine's avatar Gil Fine Committed by Mika Westerberg
Browse files

thunderbolt: Fix DisplayPort IN adapter capability length for USB4 v2 routers 



For USB4 v2 routers, the DisplayPort IN adapter capability length is
longer. Display the correct capability length in the debugfs register
dump.

Signed-off-by: default avatarGil Fine <gil.fine@linux.intel.com>
Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent ee22d52a

drivers/thunderbolt/debugfs.c

+8 −5
Original line number Diff line number Diff line
@@ -18,7 +18,8 @@ 
#define PORT_CAP_POWER_LEN	2

#define PORT_CAP_LANE_LEN	3

#define PORT_CAP_USB3_LEN	5

#define PORT_CAP_DP_LEN		8

#define PORT_CAP_DP_V1_LEN	9

#define PORT_CAP_DP_V2_LEN	14

#define PORT_CAP_TMU_V1_LEN	8

#define PORT_CAP_TMU_V2_LEN	10

#define PORT_CAP_BASIC_LEN	9
@@ -1175,11 +1176,13 @@ static void port_cap_show(struct tb_port *port, struct seq_file *s, 
	case TB_PORT_CAP_ADAP:

		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)) {

			if (usb4_dp_port_bw_mode_supported(port))

				length = PORT_CAP_DP_LEN + 1;

		} else if (tb_port_is_dpin(port)) {

			if (usb4_switch_version(port->sw) < 2)

				length = PORT_CAP_DP_V1_LEN;

			else

				length = PORT_CAP_DP_LEN;

				length = PORT_CAP_DP_V2_LEN;

		} else if (tb_port_is_dpout(port)) {

			length = PORT_CAP_DP_V1_LEN;

		} else if (tb_port_is_usb3_down(port) ||

			   tb_port_is_usb3_up(port)) {

			length = PORT_CAP_USB3_LEN;