Pathces 1, 2, 5, 6:
Reviewed-by: Sinclair Yeh <syeh@xxxxxxxxxx>
On Fri, Jan 13, 2017 at 10:51:11AM +0100, Christian König wrote:
> From: Christian König <christian.koenig@xxxxxxx>
>
> Without the custom LRU management the callback is not used any more.
>
> Signed-off-by: Christian König <christian.koenig@xxxxxxx>
> ---
> drivers/gpu/drm/ttm/ttm_bo.c | 12 +++++-------
> include/drm/ttm/ttm_bo_driver.h | 6 ------
> 2 files changed, 5 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index 59fac2f..dfaeac4 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -186,12 +186,8 @@ EXPORT_SYMBOL(ttm_bo_add_to_lru);
>
> int ttm_bo_del_from_lru(struct ttm_buffer_object *bo)
> {
> - struct ttm_bo_device *bdev = bo->bdev;
> int put_count = 0;
>
> - if (bdev->driver->lru_removal)
> - bdev->driver->lru_removal(bo);
> -
> if (!list_empty(&bo->swap)) {
> list_del_init(&bo->swap);
> ++put_count;
> @@ -201,6 +197,11 @@ int ttm_bo_del_from_lru(struct ttm_buffer_object *bo)
> ++put_count;
> }
>
> + /*
> + * TODO: Add a driver hook to delete from
> + * driver-specific LRU's here.
> + */
> +
> return put_count;
> }
>
> @@ -234,9 +235,6 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo)
>
> lockdep_assert_held(&bo->resv->lock.base);
>
> - if (bdev->driver->lru_removal)
> - bdev->driver->lru_removal(bo);
> -
> put_count = ttm_bo_del_from_lru(bo);
> ttm_bo_list_ref_sub(bo, put_count, true);
> ttm_bo_add_to_lru(bo);
> diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
> index a1235fa..4395db1 100644
> --- a/include/drm/ttm/ttm_bo_driver.h
> +++ b/include/drm/ttm/ttm_bo_driver.h
> @@ -462,12 +462,6 @@ struct ttm_bo_driver {
> struct ttm_mem_reg *mem);
> void (*io_mem_free)(struct ttm_bo_device *bdev,
> struct ttm_mem_reg *mem);
> -
> - /**
> - * Optional driver callback for when BO is removed from the LRU.
> - * Called with LRU lock held immediately before the removal.
> - */
> - void (*lru_removal)(struct ttm_buffer_object *bo);
> };
>
> /**
> --
> 2.7.4
>
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