diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index f1d84092f057ce19006a2ba7d51361f5b397938b..1a183eb0568b3349bc23514038b5b7159edbf28d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3075,7 +3075,8 @@ void dc_allow_idle_optimizations(struct dc *dc, bool allow)
 	if (allow == dc->idle_optimizations_allowed)
 		return;
 
-	if (dc->hwss.apply_idle_power_optimizations && dc->hwss.apply_idle_power_optimizations(dc, allow))
+	if (dc->hwss.apply_idle_power_optimizations && dc->clk_mgr != NULL &&
+	    dc->hwss.apply_idle_power_optimizations(dc, allow))
 		dc->idle_optimizations_allowed = allow;
 }