[Intel-gfx] [PATCH] drm/i915: s/sg_mask/sg_page_sizes/

Joonas Lahtinen joonas.lahtinen at linux.intel.com
Mon Oct 9 13:00:56 UTC 2017


On Mon, 2017-10-09 at 12:00 +0100, Matthew Auld wrote:
> It's a little unclear what the sg_mask actually is, so prefer the more
> meaningful name of sg_page_sizes.
> 
> Suggested-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Signed-off-by: Matthew Auld <matthew.auld at intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>

<SNIP>

> @@ -2489,16 +2489,16 @@ void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj,
>  		obj->mm.quirked = true;
>  	}
>  
> -	GEM_BUG_ON(!sg_mask);
> -	obj->mm.page_sizes.phys = sg_mask;
> +	GEM_BUG_ON(!sg_page_sizes);
> +	obj->mm.page_sizes.phys = sg_page_sizes;
>  
>  	/*
> -	 * Calculate the supported page-sizes which fit into the given sg_mask.
> -	 * This will give us the page-sizes which we may be able to use
> -	 * opportunistically when later inserting into the GTT. For example if
> -	 * phys=2G, then in theory we should be able to use 1G, 2M, 64K or 4K
> -	 * pages, although in practice this will depend on a number of other
> -	 * factors.
> +	 * Calculate the supported page-sizes which fit into the given
> +	 * sg_page_sizes.  This will give us the page-sizes which we may be able

Double space before "This".

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation


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