diff options
author | Andrew Morton <akpm@linux-foundation.org> | 2023-12-06 17:03:50 -0800 |
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committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-06 17:03:50 -0800 |
commit | 0c92218f4e7d4b4a7245d32bea042fa6f9cc39d7 (patch) | |
tree | 44d6ba1879278a5a1b58178e9b0f799427e52e0e /drivers/thunderbolt/tb.c | |
parent | b2f557a21bc8fffdcd65794eda8a854e024999f3 (diff) | |
parent | 33cc938e65a98f1d29d0a18403dbbee050dcad9a (diff) |
Merge branch 'master' into mm-hotfixes-stable
Diffstat (limited to 'drivers/thunderbolt/tb.c')
-rw-r--r-- | drivers/thunderbolt/tb.c | 12 |
1 files changed, 11 insertions, 1 deletions
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"); } } |