From 57f006d4c1c41e1b5e0ecd60b81fa86d299aae44 Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Wed, 24 Mar 2010 15:56:20 -0400
Subject: [PATCH] [drm] Add debugging spew

Explain when we fall back to frame buffer renderer on single
head TTM systems.
---
 src/plugins/renderers/drm/plugin.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/plugins/renderers/drm/plugin.c b/src/plugins/renderers/drm/plugin.c
index 0dcca2d1..6d850bff 100644
--- a/src/plugins/renderers/drm/plugin.c
+++ b/src/plugins/renderers/drm/plugin.c
@@ -783,6 +783,10 @@ create_heads_for_active_connectors (ply_renderer_backend_t *backend)
   if (!backend->driver_supports_mapping_console &&
       ply_list_get_length (backend->heads) == 1)
     {
+      ply_trace ("Only one monitor configured, and driver doesn't "
+                 "support mapping console, so letting frame-buffer "
+                 "take over");
+
       free_heads (backend);
       return false;
     }