drm/display/dp_mst: Correct the kref of port.

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commit d8bf2df715 upstream.

[why & how]
We still need to refer to port while removing payload at commit_tail.
we should keep the kref till then to release.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2171
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Fixes: 4d07b0bc40 ("drm/display/dp_mst: Move all payload info into the atomic state")
Cc: stable@vger.kernel.org # 6.1
Acked-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Tested-by: Didier Raboud <odyx@debian.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Wayne Lin 2022-12-28 14:50:43 +08:00 • committed by Greg Kroah-Hartman

parent 4516ccd5e1

commit 335ef7d077

1 changed files with 3 additions and 1 deletions

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drivers/gpu/drm/display/drm_dp_mst_topology.c

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