drm/radeon: add sub allocator debugfs file

Dumping the current allocations.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_sa.c b/drivers/gpu/drm/radeon/radeon_sa.c
index aed0a8c68c84..1db056873b4b 100644
--- a/drivers/gpu/drm/radeon/radeon_sa.c
+++ b/drivers/gpu/drm/radeon/radeon_sa.c
@@ -193,3 +193,17 @@ void radeon_sa_bo_free(struct radeon_device *rdev, struct radeon_sa_bo *sa_bo)
         list_del_init(&sa_bo->list);
         spin_unlock(&sa_bo->manager->lock);
 }
+
+#if defined(CONFIG_DEBUG_FS)
+void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager,
+                                  struct seq_file *m)
+{
+        struct radeon_sa_bo *i;
+
+        spin_lock(&sa_manager->lock);
+        list_for_each_entry(i, &sa_manager->sa_bo, list) {
+                seq_printf(m, "offset %08d: size %4d\n", i->offset, i->size);
+        }
+        spin_unlock(&sa_manager->lock);
+}
+#endif