From 69b7ce7f9e7ef3b53516016cc900f5376b2db62a Mon Sep 17 00:00:00 2001
From: David Anderson <dave@natulte.net>
Date: Sun, 8 Sep 2024 09:26:59 -0700
Subject: [PATCH] vram: adjust the MemoryArbiterClient interface a little

---
 vram/MemArbiter.bsv | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/vram/MemArbiter.bsv b/vram/MemArbiter.bsv
index 9807e94..4138c14 100644
--- a/vram/MemArbiter.bsv
+++ b/vram/MemArbiter.bsv
@@ -19,14 +19,14 @@ endinterface
 // A MemArbiterClient emits requests for memory access and emits
 // grants.
 interface MemArbiterClient#(type request);
-   method request request();
+   method Maybe#(request) request();
    method Action grant();
 endinterface
 
 instance Connectable#(MemArbiterClient#(req), MemArbiterServer#(req));
    module mkConnection(MemArbiterClient#(req) client, MemArbiterServer#(req) server, Empty ifc);
-      rule send_request;
-         server.request(client.request());
+      rule send_request (client.request matches tagged Valid .req);
+         server.request(req);
       endrule
 
       rule send_grant (server.grant());