Apparently no one noticed that mdp5 plane states leak like a sieve
ever since we introduced plane_state->commit refcount a few years ago
in 21a01abbe32a ("drm/atomic: Fix freeing connector/plane state too
early by tracking commits, v3.")

Fix it by using the right helpers.

Fixes: 21a01abbe32a ("drm/atomic: Fix freeing connector/plane state too early 
by tracking commits, v3.")
Cc: Maarten Lankhorst <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Rob Clark <[email protected]>
Cc: Abhinav Kumar <[email protected]>
Cc: Dmitry Baryshkov <[email protected]>
Cc: [email protected]
Cc: [email protected]
Reported-and-tested-by: [email protected]
Cc: [email protected]
Signed-off-by: Daniel Vetter <[email protected]>
---
 drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c 
b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
index bd2c4ac45601..0d5ff03cb091 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
@@ -130,8 +130,7 @@ static void mdp5_plane_destroy_state(struct drm_plane 
*plane,
 {
        struct mdp5_plane_state *pstate = to_mdp5_plane_state(state);
 
-       if (state->fb)
-               drm_framebuffer_put(state->fb);
+       __drm_atomic_helper_plane_destroy_state(state);
 
        kfree(pstate);
 }
-- 
2.40.1

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