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

Zuo, Jerry Jerry.Zuo at amd.com
Mon Nov 19 19:44:55 UTC 2018

-----Original Message-----
From: Lyude Paul <lyude at redhat.com> 
Sent: November 16, 2018 6:25 PM
To: amd-gfx at lists.freedesktop.org
Cc: Wentland, Harry <Harry.Wentland at amd.com>; Li, Sun peng (Leo) <Sunpeng.Li at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>; Koenig, Christian <Christian.Koenig at amd.com>; Zhou, David(ChunMing) <David1.Zhou at amd.com>; David Airlie <airlied at linux.ie>; Zuo, Jerry <Jerry.Zuo at amd.com>; Li, Roman <Roman.Li at amd.com>; Cheng, Tony <Tony.Cheng at amd.com>; Daniel Vetter <daniel.vetter at ffwll.ch>; S, Shirish <Shirish.S at amd.com>; dri-devel at lists.freedesktop.org; linux-kernel at vger.kernel.org
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 at redhat.com>
Reviewed-by: Jerry (Fangzhi) Zuo <Jerry.Zuo at amd.com>
 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,
-	/*
-	 * TODO: understand why this one is needed
-	 */

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