diff options
Diffstat (limited to 'drivers/thunderbolt')
| -rw-r--r-- | drivers/thunderbolt/debugfs.c | 2 | ||||
| -rw-r--r-- | drivers/thunderbolt/switch.c | 6 | ||||
| -rw-r--r-- | drivers/thunderbolt/tb.c | 12 | ||||
| -rw-r--r-- | drivers/thunderbolt/usb4.c | 10 |
4 files changed, 20 insertions, 10 deletions
diff --git a/drivers/thunderbolt/debugfs.c b/drivers/thunderbolt/debugfs.c index c9ddd49138d8..e324cd899719 100644 --- a/drivers/thunderbolt/debugfs.c +++ b/drivers/thunderbolt/debugfs.c @@ -959,7 +959,7 @@ static void margining_port_remove(struct tb_port *port) snprintf(dir_name, sizeof(dir_name), "port%d", port->port); parent = debugfs_lookup(dir_name, port->sw->debugfs_dir); if (parent) - debugfs_remove_recursive(debugfs_lookup("margining", parent)); + debugfs_lookup_and_remove("margining", parent); kfree(port->usb4->margining); port->usb4->margining = NULL; diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 1e15ffa79295..44e9b09de47a 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -1143,7 +1143,7 @@ int tb_port_lane_bonding_enable(struct tb_port *port) * Only set bonding if the link was not already bonded. This * avoids the lane adapter to re-enter bonding state. */ - if (width == TB_LINK_WIDTH_SINGLE) { + if (width == TB_LINK_WIDTH_SINGLE && !tb_is_upstream_port(port)) { ret = tb_port_set_lane_bonding(port, true); if (ret) goto err_lane1; @@ -2880,6 +2880,7 @@ static int tb_switch_lane_bonding_disable(struct tb_switch *sw) return tb_port_wait_for_link_width(down, TB_LINK_WIDTH_SINGLE, 100); } +/* Note updating sw->link_width done in tb_switch_update_link_attributes() */ static int tb_switch_asym_enable(struct tb_switch *sw, enum tb_link_width width) { struct tb_port *up, *down, *port; @@ -2919,10 +2920,10 @@ static int tb_switch_asym_enable(struct tb_switch *sw, enum tb_link_width width) return ret; } - sw->link_width = width; return 0; } +/* Note updating sw->link_width done in tb_switch_update_link_attributes() */ static int tb_switch_asym_disable(struct tb_switch *sw) { struct tb_port *up, *down; @@ -2957,7 +2958,6 @@ static int tb_switch_asym_disable(struct tb_switch *sw) return ret; } - sw->link_width = TB_LINK_WIDTH_DUAL; return 0; } diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c index 5acdeb766860..fd49f86e0353 100644 --- a/drivers/thunderbolt/tb.c +++ b/drivers/thunderbolt/tb.c @@ -213,7 +213,17 @@ static void tb_add_dp_resources(struct tb_switch *sw) if (!tb_switch_query_dp_resource(sw, port)) continue; - list_add(&port->list, &tcm->dp_resources); + /* + * If DP IN on device router exist, position it at the + * beginning of the DP resources list, so that it is used + * before DP IN of the host router. This way external GPU(s) + * will be prioritized when pairing DP IN to a DP OUT. + */ + if (tb_route(sw)) + list_add(&port->list, &tcm->dp_resources); + else + list_add_tail(&port->list, &tcm->dp_resources); + tb_port_dbg(port, "DP IN resource available\n"); } } diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c index 4277733d0021..f8f0d24ff6e4 100644 --- a/drivers/thunderbolt/usb4.c +++ b/drivers/thunderbolt/usb4.c @@ -2311,13 +2311,13 @@ int usb4_usb3_port_release_bandwidth(struct tb_port *port, int *upstream_bw, goto err_request; /* - * Always keep 1000 Mb/s to make sure xHCI has at least some + * Always keep 900 Mb/s to make sure xHCI has at least some * bandwidth available for isochronous traffic. */ - if (consumed_up < 1000) - consumed_up = 1000; - if (consumed_down < 1000) - consumed_down = 1000; + if (consumed_up < 900) + consumed_up = 900; + if (consumed_down < 900) + consumed_down = 900; ret = usb4_usb3_port_write_allocated_bandwidth(port, consumed_up, consumed_down); |