Displaying 2 results from an estimated 2 matches for "debugfs_callback_lock".
2018 Aug 28
0
[PATCH v2 1/4] drm/debugfs: Add support for dynamic debugfs initialization
...are destroyed before
+ * debugfs root is initialized.
+ *
+ */
+int
+drm_debugfs_register_callback(struct drm_minor *minor,
+ void (*init)(void *),
+ void (*cleanup_cb)(void *),
+ void *data, struct drm_debugfs_callback **out)
+{
+ int ret = 0;
+
+ mutex_lock(&minor->debugfs_callback_lock);
+ if (minor->debugfs_callbacks_done) {
+ /* debugfs is already setup, so just handle the callback
+ * immediately
+ */
+ if (minor->debugfs_root)
+ (*init)(data);
+ (*cleanup_cb)(data);
+ goto out_unlock;
+ }
+
+ *out = kzalloc(sizeof(**out), GFP_KERNEL);
+ if (!*out) {
+ ret = -...
2018 Aug 28
4
[PATCH v2 0/4] drm/dp_mst: Add DP MST debugfs nodes for all drivers
This is the next version of my patch series for teaching DRM how to
automatically create debugfs nodes for drivers with MST topologies. This
was originally intended just for nouveau, but has since been expanded to
all DRM drivers.
Changes since previous version:
- Fix documentation error that got noticed by the kbuild bot in
"drm/dp_mst: Pass entire connector to