diff options
| author | Gil Fine <gil.fine@linux.intel.com> | 2023-01-25 11:48:13 +0200 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2023-06-16 09:53:28 +0300 |
| commit | 75abb4f5fff2314eef15887663a8dcfa062b4f67 (patch) | |
| tree | e92201c6a144068c9c79d7ae1cf94aba5fdda14c | |
| parent | ee22d52aeef1ed417fc7fddc6a7ba047e78f7003 (diff) | |
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: Gil Fine <gil.fine@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
| -rw-r--r-- | drivers/thunderbolt/debugfs.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/thunderbolt/debugfs.c b/drivers/thunderbolt/debugfs.c index 48aaba17d1db..78bcf77831fe 100644 --- a/drivers/thunderbolt/debugfs.c +++ b/drivers/thunderbolt/debugfs.c @@ -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; |