Re: [RFC 28/29] drm/xe/bo: Add attributes field to xe_bo

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

On Fri, Mar 14, 2025 at 01:32:25PM +0530, Himal Prasad Ghimiray wrote:
> A single BO can be linked to multiple VMAs, making VMA attributes
> insufficient for determining the placement and PTE update attributes
> of the BO. To address this, an attributes field has been added to the
> BO.
> 
> Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>

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

> ---
>  drivers/gpu/drm/xe/xe_bo_types.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/xe/xe_bo_types.h b/drivers/gpu/drm/xe/xe_bo_types.h
> index 15a92e3d4898..bac21a4f6805 100644
> --- a/drivers/gpu/drm/xe/xe_bo_types.h
> +++ b/drivers/gpu/drm/xe/xe_bo_types.h
> @@ -58,6 +58,11 @@ struct xe_bo {
>  	 */
>  	struct list_head client_link;
>  #endif
> +	/** @attr: User controlled attributes for bo */
> +	struct {
> +		/** @atomic_access: type of atomic access bo needs */
> +		u32 atomic_access;
> +	} attr;
>  	/**
>  	 * @pxp_key_instance: PXP key instance this BO was created against. A
>  	 * 0 in this variable indicates that the BO does not use PXP encryption.
> -- 
> 2.34.1
>