[PATCH v3 33/37] drm/i915 i915_gem_object_types.h: document struct i915_lut_handle

Andi Shyti andi.shyti at linux.intel.com
Mon Sep 12 01:25:21 UTC 2022


Hi Mauro,

On Fri, Sep 09, 2022 at 09:34:40AM +0200, Mauro Carvalho Chehab wrote:
> commit d1b48c1e7184 ("drm/i915: Replace execbuf vma ht with an idr")
> added a rbtree list to allow searching for obj/ctx.
> 
> Document it.
> 
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Signed-off-by: Mauro Carvalho Chehab <mchehab at kernel.org>
> ---
> 
> To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover.
> See [PATCH v3 00/37] at: https://lore.kernel.org/all/cover.1662708705.git.mchehab@kernel.org/
> 
>  drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
> index 9f6b14ec189a..35746cf268ea 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
> @@ -21,9 +21,15 @@ struct drm_i915_gem_object;
>  struct intel_fronbuffer;
>  struct intel_memory_region;
>  
> -/*
> - * struct i915_lut_handle tracks the fast lookups from handle to vma used
> - * for execbuf. Although we use a radixtree for that mapping, in order to
> +/**
> + * struct i915_lut_handle - tracks the fast lookups from handle to vma used
> + * for execbuf.
> + *

just to be picky: do we or don't we want this extra space here? I
think that besides our personal taste it's important to have a
coherent style.

I would r-b it anyway if I didn't look the next patch.

Andi

> + * @obj_link: link to the object associated with the @handle.
> + * @ctx: context associated with the @handle.
> + * @handle: a rbtree handle to lookup context for specific obj/vma.
> + *
> + * Although we use a radixtree for that mapping, in order to
>   * remove them as the object or context is closed, we need a secondary list
>   * and a translation entry (i915_lut_handle).
>   */
> -- 
> 2.37.3


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