search for: debugfs_lookup

...ret) - return ret; + drm_debugfs_create_files(nouveau_debugfs_list, + NOUVEAU_DEBUGFS_ENTRIES, + minor->debugfs_root, minor); /* Set the size of the vbios since we know it, and it's confusing to * userspace if it wants to seek() but the file has a length of 0 */ dentry = debugfs_lookup("vbios.rom", minor->debugfs_root); if (!dentry) - return 0; + return; d_inode(dentry)->i_size = drm->vbios.length; dput(dentry); - - return 0; } int diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.h b/drivers/gpu/drm/nouveau/nouveau_debugfs.h index 8909c010e8ea...

..._debugfs_init_data *init_data = data; + struct drm_dp_mst_topology_mgr *mgr = init_data->mgr; + struct drm_minor *minor = mgr->dev->primary; + struct dentry *root; + bool put_ref = false; + + /* Create the dp_mst directory for this device if it doesn't exist + * already + */ + root = debugfs_lookup("dp_mst", minor->debugfs_root); + if (root) { + put_ref = true; + } else { + root = debugfs_create_dir("dp_mst", minor->debugfs_root); + if (!root || IS_ERR(root)) + return; + } + + mgr->debugfs = debugfs_create_dir(init_data->connector_name, root); + if (!mgr-&...

This is a small patch series that adds a strap_peek file into our debugfs, and sets the size of the vbios.rom debugfs file so that nvbios can easily be used to parse the vbios even on systems where the normal BIOS retrieval methods (for example, laptops that need ACPI to access the vbios for the nvidia GPU) won't work. This should make it a little easier to collect vbioses. Lyude Paul (2):

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