[PATCH 3/3] drm/i915/dp/mst: Add source port info to debugfs output

Jim Bride
2016-04-05T20:24:10Z

Modify the debugfs output for i915_dp_mst_info to list the source port for
the DP MST topology in question.

Signed-off-by: Jim Bride <jim.bride@linux.intel.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a2e3af0..192f399 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3441,7 +3441,8 @@ static int i915_dp_mst_info(struct seq_file *m, void *unused)
intel_dig_port = enc_to_dig_port(encoder);
if (!intel_dig_port->dp.can_mst)
continue;
-
+ seq_printf(m, "MST Source Port %c\n",
+ port_name(intel_dig_port->port));
drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
}
drm_modeset_unlock_all(dev);
--
2.5.0