diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c
index 1d6051b4f6fedd0c6e51e741d433b10d3f1af3f2..414c9973aa6d713d6be143489a2da6acb2442faa 100644
--- a/drivers/gpu/drm/sti/sti_cursor.c
+++ b/drivers/gpu/drm/sti/sti_cursor.c
@@ -351,7 +351,7 @@ static const struct drm_plane_funcs sti_cursor_plane_helpers_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
 	.destroy = drm_plane_cleanup,
-	.reset = sti_plane_reset,
+	.reset = drm_atomic_helper_plane_reset,
 	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 	.late_register = sti_cursor_late_register,
diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
index d1a35d97bc4564a1b15e21f4e7c77be5e99a1c69..3db3768a32410e178d6e69ff3664d31a1a743047 100644
--- a/drivers/gpu/drm/sti/sti_gdp.c
+++ b/drivers/gpu/drm/sti/sti_gdp.c
@@ -905,7 +905,7 @@ static const struct drm_plane_funcs sti_gdp_plane_helpers_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
 	.destroy = drm_plane_cleanup,
-	.reset = sti_plane_reset,
+	.reset = drm_atomic_helper_plane_reset,
 	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 	.late_register = sti_gdp_late_register,
diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c
index 3c61ba8b43e0fe50d9b29c7182382ffa364453a0..2201a50353ebdc2c18bb8542e4972e98d8b747f5 100644
--- a/drivers/gpu/drm/sti/sti_hqvdp.c
+++ b/drivers/gpu/drm/sti/sti_hqvdp.c
@@ -1283,7 +1283,7 @@ static const struct drm_plane_funcs sti_hqvdp_plane_helpers_funcs = {
 	.update_plane = drm_atomic_helper_update_plane,
 	.disable_plane = drm_atomic_helper_disable_plane,
 	.destroy = drm_plane_cleanup,
-	.reset = sti_plane_reset,
+	.reset = drm_atomic_helper_plane_reset,
 	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
 	.late_register = sti_hqvdp_late_register,
diff --git a/drivers/gpu/drm/sti/sti_plane.c b/drivers/gpu/drm/sti/sti_plane.c
index 3da4a46df2f26e7fbc87f426e3e45eaeb927d1ec..173409cdb99e541ed7db9bf1ab61a369a76d918e 100644
--- a/drivers/gpu/drm/sti/sti_plane.c
+++ b/drivers/gpu/drm/sti/sti_plane.c
@@ -112,12 +112,6 @@ static int sti_plane_get_default_zpos(enum drm_plane_type type)
 	return 0;
 }
 
-void sti_plane_reset(struct drm_plane *plane)
-{
-	drm_atomic_helper_plane_reset(plane);
-	plane->state->zpos = sti_plane_get_default_zpos(plane->type);
-}
-
 static void sti_plane_attach_zorder_property(struct drm_plane *drm_plane,
 					     enum drm_plane_type type)
 {
diff --git a/drivers/gpu/drm/sti/sti_plane.h b/drivers/gpu/drm/sti/sti_plane.h
index 065ffffbfb4aa733d7a9e20a89c228e0334ee5ba..8e33e629d9b0412bea97b973a51fe4b9e31ca974 100644
--- a/drivers/gpu/drm/sti/sti_plane.h
+++ b/drivers/gpu/drm/sti/sti_plane.h
@@ -81,5 +81,4 @@ void sti_plane_update_fps(struct sti_plane *plane,
 
 void sti_plane_init_property(struct sti_plane *plane,
 			     enum drm_plane_type type);
-void sti_plane_reset(struct drm_plane *plane);
 #endif