[PATCH 00/10] drm: use idr_init_base() over idr_init() if applicable

Danilo Krummrich dakr at redhat.com
Tue Jul 12 14:24:06 UTC 2022


Hi Laurent,

On 7/1/22 20:52, dakr at redhat.com wrote:
> From: Danilo Krummrich <dakr at redhat.com>
> 
> This patch series initializes IDRs with idr_init_base(&idr, 1) rather than
> idr_init(&idr) in case for the particular IDR no IDs < 1 are ever requested -
> this avoids unnecessary tree walks.
>
Guess this would go through drm-misc too?

- Danilo

> Danilo Krummrich (10):
>    drm/amdgpu: use idr_init_base() to initialize mgr->ctx_handles
>    drm/amdgpu: use idr_init_base() to initialize fpriv->bo_list_handles
>    drm: use idr_init_base() to initialize master->magic_map
>    drm: use idr_init_base() to initialize master->lessee_idr
>    drm: use idr_init_base() to initialize mode_config.object_idr
>    drm: use idr_init_base() to initialize mode_config.tile_idr
>    drm/sis: use idr_init_base() to initialize dev_priv->object_idr
>    drm/v3d: use idr_init_base() to initialize v3d_priv->perfmon.idr
>    drm/via: use idr_init_base() to initialize dev_priv->object_idr
>    drm/todo: remove task for idr_init_base()
> 
>   Documentation/gpu/todo.rst              | 12 ------------
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c |  2 +-
>   drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c |  2 +-
>   drivers/gpu/drm/drm_auth.c              |  4 ++--
>   drivers/gpu/drm/drm_mode_config.c       |  4 ++--
>   drivers/gpu/drm/sis/sis_drv.c           |  2 +-
>   drivers/gpu/drm/v3d/v3d_perfmon.c       |  2 +-
>   drivers/gpu/drm/via/via_map.c           |  2 +-
>   8 files changed, 9 insertions(+), 21 deletions(-)
> 



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