[PATCH 11/16] drm/amd/display: fix wrong statement in mst hpd debugfs

Wayne Lin Wayne.Lin at amd.com
Fri Apr 23 02:37:09 UTC 2021


From: Mikita Lipski <mikita.lipski at amd.com>

[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 at intel.com>
Signed-off-by: Mikita Lipski <mikita.lipski at amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas at amd.com>
Acked-by: Wayne Lin <waynelin at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 656bc8f00a42..8bf0b566612b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -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;
-- 
2.17.1



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