anv: implement required PSS sync for Wa_18019816803

According to WA description, we need to track DS write state
and emit a PSS_STALL_SYNC whenever that state changes.

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18411>

src/intel/vulkan/genX_cmd_buffer.c

@@ -4101,6 +4101,7 @@ genX(CmdExecuteCommands)(
    primary->state.current_l3_config = NULL;
    primary->state.current_hash_scale = 0;
    primary->state.gfx.push_constant_stages = 0;
+   primary->state.gfx.ds_write_state = false;
    vk_dynamic_graphics_state_dirty_all(&primary->vk.dynamic_graphics_state);
 
    /* Each of the secondary command buffers will use its own state base