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authorMika Westerberg <mika.westerberg@linux.intel.com>2022-04-29 16:14:57 +0200
committerMika Westerberg <mika.westerberg@linux.intel.com>2023-01-17 10:37:11 +0100
commit630f211be7c0a8cf693fef2b6d77d0ac357041e0 (patch)
tree2a92326ad8cd7a98f85daecd5e3ce8b09e686ea3 /drivers/thunderbolt
parentthunderbolt: Add functions to support DisplayPort bandwidth allocation mode (diff)
downloadlinux-630f211be7c0a8cf693fef2b6d77d0ac357041e0.tar.xz
linux-630f211be7c0a8cf693fef2b6d77d0ac357041e0.zip
thunderbolt: Include the additional DP IN double word in debugfs dump
When DisplayPort bandwidth allocation mode is supported by the DP IN adapter it has an extra double word in the adapter config space. Include this in the debugfs register dump. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt')
-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;