[PATCH v2 07/15] drm/ttm: Export ttm_bo_tt_destroy()

[Christian König]

Am 18.05.21 um 10:26 schrieb Thomas Hellström:
> For the upcoming kmapping i915 memcpy_move, export ttm_bo_tt_destroy().
> A future change might be to move the new memcpy_move into ttm, replacing
> the old ioremapping one.

Well this is an upfront NAK for that approach.

I've worked quite hard to not export those functions any more since this 
is not something drivers should be allowed to mess with.

If you need this we should probably move the functionality into TTM instead.

Regards,
Christian.

>
> Cc: Christian König <christian.koenig at amd.com>
> Signed-off-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>
> ---
>   drivers/gpu/drm/ttm/ttm_bo.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index ca1b098b6a56..4479c55aaa1d 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -1221,3 +1221,4 @@ void ttm_bo_tt_destroy(struct ttm_buffer_object *bo)
>   	ttm_tt_destroy(bo->bdev, bo->ttm);
>   	bo->ttm = NULL;
>   }
> +EXPORT_SYMBOL(ttm_bo_tt_destroy);