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disp: msm: sde: update input fence after plane state destroy

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In few cases, even though input fence is freed, it might
get accessed through debugfs node while dumping fence list.
This change updates input fence to NULL in plane state
destroy once it is freed to prevent accessing it further.

Change-Id: I1a3799249e6a177af87653e17d014d1dad7ca638
Signed-off-by: Yashwanth <yvulapu@codeaurora.org>
This commit is contained in:
Yashwanth
2020-08-26 16:32:38 +05:30
parent 5100a8e9e9
commit 312bd53656
2 changed files with 2 additions and 0 deletions
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msm/sde/sde_plane.c
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@@ -4166,6 +4166,7 @@ static void sde_plane_destroy_state(struct drm_plane *plane,
/* remove ref count for fence */
if (pstate->input_fence)
sde_sync_put(pstate->input_fence);
pstate->input_fence = 0;
/* destroy value helper */
msm_property_destroy_state(&psde->property_info, pstate,