Yingjie Wang 5885fce7b4 drm/amd/dc: Fix a missing check bug in dm_dp_mst_detect()
[ Upstream commit 655c0ed19772d92c9665ed08bdc5202acc096dda ]

In dm_dp_mst_detect(), We should check whether or not @connector
has been unregistered from userspace. If the connector is unregistered,
we should return disconnected status.

Fixes: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)")
Signed-off-by: Yingjie Wang <wangyingjie55@126.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-14 16:56:15 +02:00
2020-10-17 11:18:18 -07:00

Linux kernel
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