[Intel-xe] [PATCH] drm/xe: Simplify xe_res_get_buddy()

[Matthew Brost]

On Thu, Oct 19, 2023 at 10:45:34AM -0700, Brian Welty wrote:
> We can remove the unnecessary indirection thru xe->tiles[] to get
> the TTM VRAM manager.  This code can be common for VRAM and STOLEN.
> 
> Signed-off-by: Brian Welty <brian.welty at intel.com>

Reviewed-by: Matthew Brost <matthew.brost at intel.com>

> ---
>  drivers/gpu/drm/xe/xe_res_cursor.h | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_res_cursor.h b/drivers/gpu/drm/xe/xe_res_cursor.h
> index 5cb4b66a5d74..006fc1361967 100644
> --- a/drivers/gpu/drm/xe/xe_res_cursor.h
> +++ b/drivers/gpu/drm/xe/xe_res_cursor.h
> @@ -50,14 +50,9 @@ struct xe_res_cursor {
>  
>  static struct drm_buddy *xe_res_get_buddy(struct ttm_resource *res)
>  {
> -	struct xe_device *xe = ttm_to_xe_device(res->bo->bdev);
>  	struct ttm_resource_manager *mgr;
>  
> -	if (res->mem_type != XE_PL_STOLEN)
> -		return &xe->tiles[res->mem_type - XE_PL_VRAM0].mem.vram_mgr->mm;
> -
> -	mgr = ttm_manager_type(&xe->ttm, XE_PL_STOLEN);
> -
> +	mgr = ttm_manager_type(res->bo->bdev, res->mem_type);
>  	return &to_xe_ttm_vram_mgr(mgr)->mm;
>  }
>  
> -- 
> 2.38.0
>