[PATCH v6 03/26] drm/gpuvm: Support flags in drm_gpuvm_map_req

[Matthew Brost]

On Thu, Aug 07, 2025 at 10:13:15PM +0530, Himal Prasad Ghimiray wrote:
> This change adds support for passing flags to drm_gpuvm_sm_map() and
> sm_map_ops_create(), enabling future extensions that affect split/merge
> logic in drm_gpuvm.
> 
> v2
> - Move flag to drm_gpuvm_map_req
> 
> Cc: Danilo Krummrich <dakr at kernel.org>
> Cc: Boris Brezillon <bbrezillon at kernel.org>
> Cc: Caterina Shablia <caterina.shablia at collabora.com>
> Cc: Matthew Brost <matthew.brost at intel.com>

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

> Cc: <dri-devel at lists.freedesktop.org>
> Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
> ---
>  include/drm/drm_gpuvm.h | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h
> index cbb9b6519462..116f77abd570 100644
> --- a/include/drm/drm_gpuvm.h
> +++ b/include/drm/drm_gpuvm.h
> @@ -1049,6 +1049,13 @@ struct drm_gpuva_ops {
>   */
>  #define drm_gpuva_next_op(op) list_next_entry(op, entry)
>  
> +enum drm_gpuvm_sm_map_ops_flags {
> +	 /**
> +	  * %DRM_GPUVM_SM_MAP_OPS_FLAG_NONE: DEFAULT sm_map ops
> +	  */
> +	DRM_GPUVM_SM_MAP_OPS_FLAG_NONE = 0,
> +};
> +
>  /**
>   * struct drm_gpuvm_map_req - arguments passed to drm_gpuvm_sm_map[_ops_create]()
>   */
> @@ -1057,6 +1064,11 @@ struct drm_gpuvm_map_req {
>  	 * @op_map: struct drm_gpuva_op_map
>  	 */
>  	struct drm_gpuva_op_map op_map;
> +
> +	/**
> +	 * @flags: drm_gpuvm_sm_map_ops_flags for this mapping request
> +	 */
> +	enum drm_gpuvm_sm_map_ops_flags flags;
>  };
>  
>  struct drm_gpuva_ops *
> -- 
> 2.34.1
>