drm/i915/debugfs: Show all objects in the gtt

Useful for determining the layout.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 43 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 73914d841856..19a3d58044dd 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -106,10 +106,19 @@ static const char *get_tiling_flag(struct drm_i915_gem_object *obj)
     }
 }
 
+static const char *agp_type_str(int type)
+{
+        switch (type) {
+        case 0: return " uncached";
+        case 1: return " snooped";
+        default: return "";
+        }
+}
+
 static void
 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
 {
-        seq_printf(m, "%p: %s%s %8zd %04x %04x %d %d%s%s",
+        seq_printf(m, "%p: %s%s %8zd %04x %04x %d %d%s%s%s",
                    &obj->base,
                    get_pin_flag(obj),
                    get_tiling_flag(obj),
@@ -118,6 +127,7 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
                    obj->base.write_domain,
                    obj->last_rendering_seqno,
                    obj->last_fenced_seqno,
+                   agp_type_str(obj->agp_type == AGP_USER_CACHED_MEMORY),
                    obj->dirty ? " dirty" : "",
                    obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
         if (obj->base.name)
@@ -276,6 +286,37 @@ static int i915_gem_object_info(struct seq_file *m, void* data)
         return 0;
 }
 
+static int i915_gem_gtt_info(struct seq_file *m, void* data)
+{
+        struct drm_info_node *node = (struct drm_info_node *) m->private;
+        struct drm_device *dev = node->minor->dev;
+        struct drm_i915_private *dev_priv = dev->dev_private;
+        struct drm_i915_gem_object *obj;
+        size_t total_obj_size, total_gtt_size;
+        int count, ret;
+
+        ret = mutex_lock_interruptible(&dev->struct_mutex);
+        if (ret)
+                return ret;
+
+        total_obj_size = total_gtt_size = count = 0;
+        list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) {
+                seq_printf(m, "   ");
+                describe_obj(m, obj);
+                seq_printf(m, "\n");
+                total_obj_size += obj->base.size;
+                total_gtt_size += obj->gtt_space->size;
+                count++;
+        }
+
+        mutex_unlock(&dev->struct_mutex);
+
+        seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
+                   count, total_obj_size, total_gtt_size);
+
+        return 0;
+}
+
 
 static int i915_gem_pageflip_info(struct seq_file *m, void *data)
 {
@@ -624,15 +665,6 @@ static const char *ring_str(int ring)
         }
 }
 
-static const char *agp_type_str(int type)
-{
-        switch (type) {
-        case 0: return " uncached";
-        case 1: return " snooped";
-        default: return "";
-        }
-}
-
 static const char *pin_flag(int pinned)
 {
         if (pinned > 0)
@@ -1229,6 +1261,7 @@ static int i915_wedged_create(struct dentry *root, struct drm_minor *minor)
 static struct drm_info_list i915_debugfs_list[] = {
         {"i915_capabilities", i915_capabilities, 0, 0},
         {"i915_gem_objects", i915_gem_object_info, 0},
+        {"i915_gem_gtt", i915_gem_gtt_info, 0},
         {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
         {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
         {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},