anv: avoid null pointer access in utrace copies on CCS

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 3e0ad0176b ("anv: Emit state cache invalidation after every compute dispatch")
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38235>

src/intel/vulkan/anv_batch_chain.c

@@ -1712,6 +1712,7 @@ anv_async_submit_init(struct anv_async_submit *submit,
       .relocs = &submit->relocs,
       .user_data = submit,
       .extend_cb = anv_async_submit_extend_batch,
+      .engine_class = queue->family->engine_class,
    };
 
    util_dynarray_init(&submit->batch_bos, NULL);

src/intel/vulkan/genX_simple_shader.c

@@ -667,7 +667,14 @@ genX(emit_simple_shader_dispatch)(struct anv_simple_shader *state,
          cw.body = body;
       }
 
-      genX(cmd_buffer_state_cache_inval_wa_14025112257)(state->cmd_buffer);
+      /* TODO: switch to use INTEL_NEEDS_WA_14025112257 */
+      if (device->info->ver >= 20 &&
+          batch->engine_class == INTEL_ENGINE_CLASS_COMPUTE) {
+         enum anv_pipe_bits emitted_bits = 0;
+         genX(emit_apply_pipe_flushes)(batch, device, GPGPU,
+                                       ANV_PIPE_STATE_CACHE_INVALIDATE_BIT,
+                                       &emitted_bits);
+      }
 
 #else /* GFX_VERx10 < 125 */
       const uint32_t vfe_curbe_allocation =