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authorNoralf Trønnes <noralf@tronnes.org>2018-07-03 18:03:51 +0200
committerNoralf Trønnes <noralf@tronnes.org>2018-07-10 14:53:35 +0200
commite896c132eb2cb4975d99477ea7e95aedb6dffa95 (patch)
tree2c3d7befcc54a7ca2de048b5ecfaed187becc44d /drivers/gpu/drm/drm_client.c
parent894a677f4b3e6d2ab8d01bb46c1fbd5f92e4591b (diff)
downloadlinux-e896c132eb2cb4975d99477ea7e95aedb6dffa95.tar.gz
drm/debugfs: Add internal client debugfs file
Print the names of the internal clients currently attached. Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/20180703160354.59955-6-noralf@tronnes.org
Diffstat (limited to 'drivers/gpu/drm/drm_client.c')
-rw-r--r--drivers/gpu/drm/drm_client.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c
index 743495f7f833..4039a4d103a8 100644
--- a/drivers/gpu/drm/drm_client.c
+++ b/drivers/gpu/drm/drm_client.c
@@ -385,3 +385,31 @@ void drm_client_framebuffer_delete(struct drm_client_buffer *buffer)
drm_client_buffer_delete(buffer);
}
EXPORT_SYMBOL(drm_client_framebuffer_delete);
+
+#ifdef CONFIG_DEBUG_FS
+static int drm_client_debugfs_internal_clients(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_printer p = drm_seq_file_printer(m);
+ struct drm_client_dev *client;
+
+ mutex_lock(&dev->clientlist_mutex);
+ list_for_each_entry(client, &dev->clientlist, list)
+ drm_printf(&p, "%s\n", client->name);
+ mutex_unlock(&dev->clientlist_mutex);
+
+ return 0;
+}
+
+static const struct drm_info_list drm_client_debugfs_list[] = {
+ { "internal_clients", drm_client_debugfs_internal_clients, 0 },
+};
+
+int drm_client_debugfs_init(struct drm_minor *minor)
+{
+ return drm_debugfs_create_files(drm_client_debugfs_list,
+ ARRAY_SIZE(drm_client_debugfs_list),
+ minor->debugfs_root, minor);
+}
+#endif