drm/gma500: Add debugging info to psb_gtt_restore()

This makes it easier to see what's going on during resume/restore.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c
index 2f12fafc8931..01e32420388d 100644
--- a/drivers/gpu/drm/gma500/gtt.c
+++ b/drivers/gpu/drm/gma500/gtt.c
@@ -563,6 +563,7 @@ int psb_gtt_restore(struct drm_device *dev)
         struct drm_psb_private *dev_priv = dev->dev_private;
         struct resource *r = dev_priv->gtt_mem->child;
         struct gtt_range *range;
+        unsigned int restored = 0, total = 0, size = 0;
 
         /* On resume, the gtt_mutex is already initialized */
         mutex_lock(&dev_priv->gtt_mutex);
@@ -570,11 +571,17 @@ int psb_gtt_restore(struct drm_device *dev)
 
         while (r != NULL) {
                 range = container_of(r, struct gtt_range, resource);
-                if (range->pages)
+                if (range->pages) {
                         psb_gtt_insert(dev, range, 1);
+                        size += range->resource.end - range->resource.start;
+                        restored++;
+                }
                 r = r->sibling;
+                total++;
         }
         mutex_unlock(&dev_priv->gtt_mutex);
+        DRM_DEBUG_DRIVER("Restored %u of %u gtt ranges (%u KB)", restored,
+                         total, (size / 1024));
 
         return 0;
 }