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drm/amd/display: fix wrong statement in mst hpd debugfs

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[why]
Previous statement would always evaluate to true
making it meaningless
[how]
Just check if a connector is MST by checking if its port exists.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Wayne Lin <waynelin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mikita Lipski
2021-04-14 14:15:52 -04:00
committed by Alex Deucher
parent 831c95c966
commit abf1f863e0
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
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@@ -3030,7 +3030,7 @@ static int trigger_hpd_mst_set(void *data, u64 val)
if (!aconnector->dc_link)
continue;
if (!(aconnector->port && &aconnector->mst_port->mst_mgr))
if (!aconnector->mst_port)
continue;
link = aconnector->dc_link;