linux-kernel - Re: [PATCH 00/10] drm: use idr_init_base() over idr

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Date:   Tue, 12 Jul 2022 16:24:06 +0200
From:   Danilo Krummrich <dakr@...hat.com>
To:     airlied@...ux.ie, daniel@...ll.ch, christian.koenig@....com,
        emma@...olt.net,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/10] drm: use idr_init_base() over idr_init() if
 applicable

Hi Laurent,

On 7/1/22 20:52, dakr@...hat.com wrote:
> From: Danilo Krummrich <dakr@...hat.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(-)
>