diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index dd9064592ec9..9b3b526e5e55 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4679,8 +4679,8 @@ static int intel_ddi_compute_config_late(struct intel_atomic_state *state,
 
 	if (crtc_state->master_transcoder == crtc_state->cpu_transcoder) {
 		crtc_state->master_transcoder = INVALID_TRANSCODER;
-		crtc_state->sync_mode_slaves_mask =
-			port_sync_transcoders & ~BIT(crtc_state->cpu_transcoder);
+		crtc_state->sync_mode_slaves_mask = port_sync_transcoders &
+			~REG_BIT(crtc_state->cpu_transcoder);
 	}
 
 	return 0;