diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
index d108ccfc5cf9fb5e60b38a947347980bb72759a3..08c9d73b9ab727776f337540ed32b388d5e700a4 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
@@ -671,7 +671,7 @@ int dc_link_aux_transfer(struct ddc_service *ddc,
 	case AUX_CHANNEL_OPERATION_SUCCEEDED:
 		res = returned_bytes;
 
-		if (res <= size && res > 0)
+		if (res <= size && res >= 0)
 			res = engine->funcs->read_channel_reply(engine, size,
 								buffer, reply,
 								&status);