[PATCH 5/9] drm/display/dp_mst: Fix the payload VCPI check in drm_dp_mst_dump_topology()

Imre Deak imre.deak at intel.com
Wed Jan 25 11:48:48 UTC 2023


Fix an off-by-one error in the VCPI check in drm_dp_mst_dump_topology().

Cc: Lyude Paul <lyude at redhat.com>
Cc: dri-devel at lists.freedesktop.org
Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/display/drm_dp_mst_topology.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c
index 81cc0c3b1e000..619f616d69e20 100644
--- a/drivers/gpu/drm/display/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c
@@ -4770,7 +4770,7 @@ void drm_dp_mst_dump_topology(struct seq_file *m,
 		list_for_each_entry(payload, &state->payloads, next) {
 			char name[14];
 
-			if (payload->vcpi != i || payload->delete)
+			if (payload->vcpi != i + 1 || payload->delete)
 				continue;
 
 			fetch_monitor_name(mgr, payload->port, name, sizeof(name));
-- 
2.37.1



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