Re: [PATCH 1/6] drm/ttm: cleanup and optimize ttm_bo_mem_compat

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On 29/03/17 09:55 PM, Christian König wrote:
> From: Christian König <christian.koenig@xxxxxxx>
> 
> No need to implement the same logic twice. Also check if the busy placements
> are identical to the already scanned placements before checking them.
> 
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>

[...]

> @@ -1077,6 +1065,23 @@ bool ttm_bo_mem_compat(struct ttm_placement *placement,
>  		    (*new_flags & mem->placement & TTM_PL_MASK_MEM))
>  			return true;
>  	}
> +	return false;
> +}
> +
> +bool ttm_bo_mem_compat(struct ttm_placement *placement,
> +		       struct ttm_mem_reg *mem,
> +		       uint32_t *new_flags)
> +{
> +	if (ttm_bo_places_compat(placement->placement, placement->num_placement,
> +				 mem, new_flags))
> +		return true;
> +
> +	if ((placement->busy_placement != placement->placement ||
> +	     placement->num_busy_placement != placement->num_placement) &&

	     placement->num_busy_placement > placement->num_placement) &&

?


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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