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>

drivers/gpu/drm/radeon/radeon_object.h

@@ -172,5 +172,10 @@ extern int radeon_sa_bo_new(struct radeon_device *rdev,
 			    unsigned size, unsigned align);
 extern void radeon_sa_bo_free(struct radeon_device *rdev,
 			      struct radeon_sa_bo *sa_bo);
+#if defined(CONFIG_DEBUG_FS)
+extern void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager,
+					 struct seq_file *m);
+#endif
+
 
 #endif

drivers/gpu/drm/radeon/radeon_ring.c

@@ -601,6 +601,23 @@ static int radeon_debugfs_ib_info(struct seq_file *m, void *data)
 static struct drm_info_list radeon_debugfs_ib_list[RADEON_IB_POOL_SIZE];
 static char radeon_debugfs_ib_names[RADEON_IB_POOL_SIZE][32];
 static unsigned radeon_debugfs_ib_idx[RADEON_IB_POOL_SIZE];
+
+static int radeon_debugfs_sa_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 radeon_device *rdev = dev->dev_private;
+
+	radeon_sa_bo_dump_debug_info(&rdev->ib_pool.sa_manager, m);
+
+	return 0;
+
+}
+
+static struct drm_info_list radeon_debugfs_sa_list[] = {
+        {"radeon_sa_info", &radeon_debugfs_sa_info, 0, NULL},
+};
+
 #endif
 
 int radeon_debugfs_ring_init(struct radeon_device *rdev, struct radeon_ring *ring)
@@ -627,6 +644,11 @@ int radeon_debugfs_ib_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
 	unsigned i;
+	int r;
+
+	r = radeon_debugfs_add_files(rdev, radeon_debugfs_sa_list, 1);
+	if (r)
+		return r;
 
 	for (i = 0; i < RADEON_IB_POOL_SIZE; i++) {
 		sprintf(radeon_debugfs_ib_names[i], "radeon_ib_%04u", i);

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