RE: [PATCH 2/2] drm/amd/dm: Understand why attaching path/tile properties are needed

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-----Original Message-----
From: Lyude Paul <lyude@xxxxxxxxxx> 
Sent: November 16, 2018 6:25 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Wentland, Harry <Harry.Wentland@xxxxxxx>; Li, Sun peng (Leo) <Sunpeng.Li@xxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx>; Zhou, David(ChunMing) <David1.Zhou@xxxxxxx>; David Airlie <airlied@xxxxxxxx>; Zuo, Jerry <Jerry.Zuo@xxxxxxx>; Li, Roman <Roman.Li@xxxxxxx>; Cheng, Tony <Tony.Cheng@xxxxxxx>; Daniel Vetter <daniel.vetter@xxxxxxxx>; S, Shirish <Shirish.S@xxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
Subject: [PATCH 2/2] drm/amd/dm: Understand why attaching path/tile properties are needed

Path property is used for userspace to know what MST connector goes to what actual DRM DisplayPort connector, the tiling property is for tiling configurations. Not sure what else there is to figure out.

Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx>
Reviewed-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@xxxxxxx>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 0cca1809fdcd..1b0d209d8367 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -345,9 +345,6 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
 	drm_connector_attach_encoder(&aconnector->base,
 				     &aconnector->mst_encoder->base);
 
-	/*
-	 * TODO: understand why this one is needed
-	 */
 	drm_object_attach_property(
 		&connector->base,
 		dev->mode_config.path_property,
--
2.19.1

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