stable inclusion
from stable-5.10.26
commit e7f6ebde21cf1fd69218e57c36aa19ba732b1699
bugzilla: 51363

--------------------------------

[ Upstream commit 3c4d55c9 ]

[Why&How]

Set dpms off on the connector that was unplugged, for the side effect of
releasing some references held through deallocation of MST payload. This is
the expected behaviour for non MST devices as well.
Signed-off-by: NAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: NEryk Brol <eryk.brol@amd.com>
Reviewed-by: NNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: N  Weilong Chen <chenweilong@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>