From 340c355714f4c2f96f00c37a3df0d0f953157bca Mon Sep 17 00:00:00 2001
From: Eric Engestrom <eric@igalia.com>
Date: Thu, 4 Dec 2025 16:40:27 +0100
Subject: [PATCH] nak: use saturating_sub() instead of open-coding it

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38807>
---
 src/nouveau/compiler/nak/calc_instr_deps.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nouveau/compiler/nak/calc_instr_deps.rs b/src/nouveau/compiler/nak/calc_instr_deps.rs
index 570c34e66ef..967b70cef07 100644
--- a/src/nouveau/compiler/nak/calc_instr_deps.rs
+++ b/src/nouveau/compiler/nak/calc_instr_deps.rs
@@ -801,7 +801,7 @@ impl BlockDelayScheduler<'_> {
             // current block is complete, so it is effectively executed at cycle
             // `0 - delay`, adding the latency we get `latency - delay`
             // Underflow means that the instruction is already done (delay > latency).
-            latency.checked_sub(delay.into()).unwrap_or(0)
+            latency.saturating_sub(delay.into())
         }
     }