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

[Danilo Krummrich]

On Thu Aug 7, 2025 at 6:43 PM CEST, 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>
> 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 {

Please also add a doc-comment for the enum type itself, explaing where those
flags are used, etc.

> +	 /**
> +	  * %DRM_GPUVM_SM_MAP_OPS_FLAG_NONE: DEFAULT sm_map ops

Shouldn't this be '@DRM_GPUVM_SM_MAP_OPS_FLAG_NONE:'?

> +	  */
> +	DRM_GPUVM_SM_MAP_OPS_FLAG_NONE = 0,
> +};