drm/i915: Add information on pinning and fencing to the i915 list debug.

This was inspired by a patch by Chris Wilson, though none of it applied in any
way due to the debugfs work and I decided to change the formatting of the
new information anyway.

Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 20 insertions, 11 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem_debugfs.c b/drivers/gpu/drm/i915/i915_gem_debugfs.c
index 4fc845cee804..f7e7d3750f8f 100644
--- a/drivers/gpu/drm/i915/i915_gem_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_gem_debugfs.c
@@ -70,18 +70,27 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data)
 
         list_for_each_entry(obj_priv, head, list)
         {
+                char *pin_description;
                 struct drm_gem_object *obj = obj_priv->obj;
-                if (obj->name) {
-                        seq_printf(m, "    %p(%d): %08x %08x %d\n",
-                                        obj, obj->name,
-                                        obj->read_domains, obj->write_domain,
-                                        obj_priv->last_rendering_seqno);
-                } else {
-                        seq_printf(m, "       %p: %08x %08x %d\n",
-                                        obj,
-                                        obj->read_domains, obj->write_domain,
-                                        obj_priv->last_rendering_seqno);
-                }
+
+                if (obj_priv->user_pin_count > 0)
+                        pin_description = "P";
+                else if (obj_priv->pin_count > 0)
+                        pin_description = "p";
+                else
+                        pin_description = " ";
+
+                seq_printf(m, "    %p: %s %08x %08x %d",
+                           obj,
+                           pin_description,
+                           obj->read_domains, obj->write_domain,
+                           obj_priv->last_rendering_seqno);
+
+                if (obj->name)
+                        seq_printf(m, " (name: %d)", obj->name);
+                if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
+                        seq_printf(m, " (fence: %d\n", obj_priv->fence_reg);
+                seq_printf(m, "\n");
         }
         return 0;
 }