Re: [PATCH V19 03/15] drm/xe: Export xe_ttm_bo_purge()

[Matthew Brost <matthew.brost@intel.com>]

On Mon, Aug 31, 2026 at 12:19:45PM +0530, Tejas Upadhyay wrote:
> Remove the static qualifier from xe_ttm_bo_purge() and add its
> prototype to xe_bo.h. This allows the function to be called
> from other parts of the driver outside of xe_bo.c, specifically
> needed for the memory page offline feature.
> 
> Cc: Andi Shyti <andi.shyti@linux.intel.com>
> Reviewed-by: Arvind Yadav <arvind.yadav@intel.com>
> Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>

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

> Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
> ---
>  drivers/gpu/drm/xe/xe_bo.c | 2 +-
>  drivers/gpu/drm/xe/xe_bo.h | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
> index dde309821237..8f93e09e51bb 100644
> --- a/drivers/gpu/drm/xe/xe_bo.c
> +++ b/drivers/gpu/drm/xe/xe_bo.c
> @@ -921,7 +921,7 @@ void xe_bo_set_purgeable_state(struct xe_bo *bo,
>   *
>   * Return: 0 on success, negative error code on failure
>   */
> -static int xe_ttm_bo_purge(struct ttm_buffer_object *ttm_bo, struct ttm_operation_ctx *ctx)
> +int xe_ttm_bo_purge(struct ttm_buffer_object *ttm_bo, struct ttm_operation_ctx *ctx)
>  {
>  	struct xe_bo *bo = ttm_to_xe_bo(ttm_bo);
>  	struct ttm_placement place = {};
> diff --git a/drivers/gpu/drm/xe/xe_bo.h b/drivers/gpu/drm/xe/xe_bo.h
> index e8081af5bfc1..90b15fff36c7 100644
> --- a/drivers/gpu/drm/xe/xe_bo.h
> +++ b/drivers/gpu/drm/xe/xe_bo.h
> @@ -600,6 +600,7 @@ struct xe_bo_shrink_flags {
>  long xe_bo_shrink(struct ttm_operation_ctx *ctx, struct ttm_buffer_object *bo,
>  		  const struct xe_bo_shrink_flags flags,
>  		  unsigned long *scanned);
> +int xe_ttm_bo_purge(struct ttm_buffer_object *ttm_bo, struct ttm_operation_ctx *ctx);
>  
>  /**
>   * xe_bo_is_mem_type - Whether the bo currently resides in the given
> -- 
> 2.52.0
>