Suggested-by: Chris Wilson <ch...@chris-wilson.co.uk> Cc: Chris Wilson <ch...@chris-wilson.co.uk> Acked-by: Chris Wilson <ch...@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vet...@intel.com> --- Documentation/gpu/todo.rst | 10 ++++++++++ 1 file changed, 10 insertions(+)
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 ================= -- 2.15.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel