drm/radeon: Fix a missing check bug in radeon_dp_mst_detect()

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[ Upstream commit 25315ebfae ]

In radeon_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: 9843ead08f ("drm/radeon: add DisplayPort MST support (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>

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Yingjie Wang 2021-04-06 20:10:04 -07:00 • committed by Greg Kroah-Hartman

parent a6d56760ea

commit c360228ecf

1 changed files with 3 additions and 0 deletions

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drivers/gpu/drm/radeon/radeon_dp_mst.c

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