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path: root/drivers/gpu/drm/drm_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/drm_debugfs.c')
-rw-r--r--drivers/gpu/drm/drm_debugfs.c65
1 files changed, 62 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index f291fb4b359f..f4715a67e340 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -314,10 +314,8 @@ void drm_debugfs_dev_register(struct drm_device *dev)
drm_framebuffer_debugfs_init(dev);
drm_client_debugfs_init(dev);
}
- if (drm_drv_uses_atomic_modeset(dev)) {
+ if (drm_drv_uses_atomic_modeset(dev))
drm_atomic_debugfs_init(dev);
- drm_bridge_debugfs_init(dev);
- }
}
int drm_debugfs_register(struct drm_minor *minor, int minor_id,
@@ -589,4 +587,65 @@ void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
crtc->debugfs_entry = NULL;
}
+static int bridges_show(struct seq_file *m, void *data)
+{
+ struct drm_encoder *encoder = m->private;
+ struct drm_printer p = drm_seq_file_printer(m);
+ struct drm_bridge *bridge;
+ unsigned int idx = 0;
+
+ drm_for_each_bridge_in_chain(encoder, bridge) {
+ drm_printf(&p, "bridge[%d]: %ps\n", idx++, bridge->funcs);
+ drm_printf(&p, "\ttype: [%d] %s\n",
+ bridge->type,
+ drm_get_connector_type_name(bridge->type));
+#ifdef CONFIG_OF
+ if (bridge->of_node)
+ drm_printf(&p, "\tOF: %pOFfc\n", bridge->of_node);
+#endif
+ drm_printf(&p, "\tops: [0x%x]", bridge->ops);
+ if (bridge->ops & DRM_BRIDGE_OP_DETECT)
+ drm_puts(&p, " detect");
+ if (bridge->ops & DRM_BRIDGE_OP_EDID)
+ drm_puts(&p, " edid");
+ if (bridge->ops & DRM_BRIDGE_OP_HPD)
+ drm_puts(&p, " hpd");
+ if (bridge->ops & DRM_BRIDGE_OP_MODES)
+ drm_puts(&p, " modes");
+ drm_puts(&p, "\n");
+ }
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(bridges);
+
+void drm_debugfs_encoder_add(struct drm_encoder *encoder)
+{
+ struct drm_minor *minor = encoder->dev->primary;
+ struct dentry *root;
+ char *name;
+
+ name = kasprintf(GFP_KERNEL, "encoder-%d", encoder->index);
+ if (!name)
+ return;
+
+ root = debugfs_create_dir(name, minor->debugfs_root);
+ kfree(name);
+
+ encoder->debugfs_entry = root;
+
+ /* bridges list */
+ debugfs_create_file("bridges", 0444, root, encoder,
+ &bridges_fops);
+
+ if (encoder->funcs && encoder->funcs->debugfs_init)
+ encoder->funcs->debugfs_init(encoder, root);
+}
+
+void drm_debugfs_encoder_remove(struct drm_encoder *encoder)
+{
+ debugfs_remove_recursive(encoder->debugfs_entry);
+ encoder->debugfs_entry = NULL;
+}
+
#endif /* CONFIG_DEBUG_FS */