diff options
Diffstat (limited to 'Documentation/gpu')
| -rw-r--r-- | Documentation/gpu/todo.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 1e593370f64f..1a0a413eeced 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -212,6 +212,16 @@ probably use drm_fb_helper_fbdev_teardown(). Contact: Maintainer of the driver you plan to convert +idr_init_base() +--------------- + +DRM core&drivers uses a lot of idr (integer lookup directories) for mapping +userspace IDs to internal objects, and in most places ID=0 means NULL and hence +is never used. Switching to idr_init_base() for these would make the idr more +efficient. + +Contact: Daniel Vetter + Core refactorings ================= |