anv: fix utrace batch allocation

The introduction of a workaround adding lots of MI_NOOPs broke our
computation.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: b9aa66d5d0 ("anv: disable preemption for 3DPRIMITIVE during streamout")
Reviewed-by: Felix DeGrood <felix.j.degrood@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23792>

src/intel/vulkan/anv_utrace.c

@@ -151,9 +151,18 @@ anv_device_utrace_flush_cmd_buffers(struct anv_queue *queue,
       if (result != VK_SUCCESS)
          goto error_trace_buf;
 
+      uint32_t batch_size = 512; /* 128 dwords of setup */
+      if (intel_needs_workaround(device->info, 16013994831)) {
+         /* Enable/Disable preemption at the begin/end */
+         batch_size += 2 * (250 /* 250 MI_NOOPs*/ +
+                            6   /* PIPE_CONTROL */ +
+                            3   /* MI_LRI */) * 4 /* dwords */;
+      }
+      batch_size += 256 * utrace_copies; /* 64 dwords per copy */
+      batch_size = align(batch_size + 4, 8); /* MI_BATCH_BUFFER_END */
+
       result = anv_bo_pool_alloc(&device->utrace_bo_pool,
-                                 /* 128 dwords of setup + 64 dwords per copy */
-                                 align(512 + 64 * utrace_copies, 4096),
+                                 align(batch_size, 4096),
                                  &submit->batch_bo);
       if (result != VK_SUCCESS)
          goto error_batch_buf;