Commit abf1f863 authored Apr 14, 2021 by Mikita Lipski Committed by Alex Deucher Apr 28, 2021

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



[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>

parent 831c95c9

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;