diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index cdd6c46d6557..7a9f20a2fd30 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -881,6 +881,17 @@ static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = {
 	.atomic_disable = ast_crtc_helper_atomic_disable,
 };
 
+static void ast_crtc_reset(struct drm_crtc *crtc)
+{
+	struct ast_crtc_state *ast_state =
+		kzalloc(sizeof(*ast_state), GFP_KERNEL);
+
+	if (crtc->state)
+		crtc->funcs->atomic_destroy_state(crtc, crtc->state);
+
+	__drm_atomic_helper_crtc_reset(crtc, &ast_state->base);
+}
+
 static void ast_crtc_destroy(struct drm_crtc *crtc)
 {
 	drm_crtc_cleanup(crtc);
@@ -919,7 +930,7 @@ static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc,
 }
 
 static const struct drm_crtc_funcs ast_crtc_funcs = {
-	.reset = drm_atomic_helper_crtc_reset,
+	.reset = ast_crtc_reset,
 	.set_config = drm_crtc_helper_set_config,
 	.gamma_set = drm_atomic_helper_legacy_gamma_set,
 	.destroy = ast_crtc_destroy,