diff --git a/src/gallium/frontends/dri/dri_screen.c b/src/gallium/frontends/dri/dri_screen.c
index 972d210db5d..feeeb508e7c 100644
--- a/src/gallium/frontends/dri/dri_screen.c
+++ b/src/gallium/frontends/dri/dri_screen.c
@@ -42,6 +42,7 @@
 #include "util/u_debug.h"
 #include "util/u_driconf.h"
 #include "util/format/u_format_s3tc.h"
+#include "util/log.h"
 
 #include "state_tracker/st_context.h"
 #include "driver_trace/tr_screen.h"
@@ -614,6 +615,11 @@ dri_postprocessing_init(struct dri_screen *screen)
    for (i = 0; i < PP_FILTERS; i++) {
       screen->pp_enabled[i] = driQueryOptioni(&screen->dev->option_cache,
                                               pp_filters[i].name);
+      static bool warned = false;
+      if (screen->pp_enabled[i] && !warned) {
+         mesa_logw("The postprocessing infrastructure is deprecated");
+         warned = true;
+      }
    }
 }