From bafbfc57ea836716a76a286c93f53641b315e274 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Iv=C3=A1n=20Briano?= <ivan.briano@intel.com>
Date: Mon, 12 Jun 2023 16:38:31 -0700
Subject: [PATCH] anv: flush data cache before emitting availability

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23814>
---
 src/intel/vulkan/genX_query.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/intel/vulkan/genX_query.c b/src/intel/vulkan/genX_query.c
index 07cbc78..7248fae 100644
--- a/src/intel/vulkan/genX_query.c
+++ b/src/intel/vulkan/genX_query.c
@@ -1894,8 +1894,12 @@ genX(CmdWriteAccelerationStructuresPropertiesKHR)(
       }
    }
 
+   /* TODO: Figure out why MTL needs ANV_PIPE_DATA_CACHE_FLUSH_BIT in order
+    * to not lose the availability bit.
+    */
    anv_add_pending_pipe_bits(cmd_buffer,
-                             ANV_PIPE_END_OF_PIPE_SYNC_BIT,
+                             ANV_PIPE_END_OF_PIPE_SYNC_BIT |
+                             ANV_PIPE_DATA_CACHE_FLUSH_BIT,
                              "after write acceleration struct props");
    genX(cmd_buffer_apply_pipe_flushes)(cmd_buffer);
 
-- 
2.7.4