From 21e89b121a3d33922e1021ac57d27985ff0f5659 Mon Sep 17 00:00:00 2001
From: Mateusz Hoppe <mateusz.hoppe@intel.com>
Date: Mon, 29 Mar 2021 17:44:01 +0000
Subject: [PATCH] Optimize preemption programming

Signed-off-by: Mateusz Hoppe <mateusz.hoppe@intel.com>
---
 level_zero/core/source/cmdqueue/cmdqueue_hw.inl | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/level_zero/core/source/cmdqueue/cmdqueue_hw.inl b/level_zero/core/source/cmdqueue/cmdqueue_hw.inl
index 53ab25cb61..644e7efe94 100644
--- a/level_zero/core/source/cmdqueue/cmdqueue_hw.inl
+++ b/level_zero/core/source/cmdqueue/cmdqueue_hw.inl
@@ -269,10 +269,12 @@ ze_result_t CommandQueueHw<gfxCoreFamily>::executeCommandLists(
             NEO::PreemptionHelper::programStateSip<GfxFamily>(child, *neoDevice);
         }
 
-        NEO::PreemptionHelper::programCmdStream<GfxFamily>(child,
-                                                           cmdQueuePreemption,
-                                                           commandQueuePreemptionMode,
-                                                           csr->getPreemptionAllocation());
+        if (cmdQueuePreemption != commandQueuePreemptionMode) {
+            NEO::PreemptionHelper::programCmdStream<GfxFamily>(child,
+                                                               cmdQueuePreemption,
+                                                               commandQueuePreemptionMode,
+                                                               csr->getPreemptionAllocation());
+        }
         statePreemption = cmdQueuePreemption;
 
         const bool sipKernelUsed = devicePreemption == NEO::PreemptionMode::MidThread ||