diff --git a/src/nouveau/compiler/nak/sm75_instr_latencies.rs b/src/nouveau/compiler/nak/sm75_instr_latencies.rs
index 839438430eb..79f5d5f4b96 100644
--- a/src/nouveau/compiler/nak/sm75_instr_latencies.rs
+++ b/src/nouveau/compiler/nak/sm75_instr_latencies.rs
@@ -883,6 +883,7 @@ impl URegLatencySM75 {
             Op::Flo(_) => vdecoupled,
             Op::IAdd3(_) | Op::IAdd3X(_) => vcoupled,
             Op::IAbs(_) => vcoupled,
+            Op::IDp4(_) => vcoupled,
             Op::IMnMx(_) => vcoupled,
             Op::IMad(_) => vcoupled,
 
diff --git a/src/nouveau/compiler/nak/sm80_instr_latencies.rs b/src/nouveau/compiler/nak/sm80_instr_latencies.rs
index 881b763dcb2..068e93b287b 100644
--- a/src/nouveau/compiler/nak/sm80_instr_latencies.rs
+++ b/src/nouveau/compiler/nak/sm80_instr_latencies.rs
@@ -1017,6 +1017,7 @@ impl URegLatencySM80 {
             Op::Flo(_) => vdecoupled,
             Op::IAdd3(_) | Op::IAdd3X(_) => vcoupled,
             Op::IAbs(_) => vcoupled,
+            Op::IDp4(_) => vcoupled,
             Op::IMnMx(_) => vcoupled,
             Op::IMad(_) => vcoupled,