Am 05.09.2018 um 17:31 schrieb shaoyunl:
> From: Shaoyun Liu <Shaoyun.Liu at amd.com>
>
> KFD need to get hive id from amdgpu to build up the XGMI topology
>
> Change-Id: If68ea8fd7fb17b7ffb581f45d8406925578d96b8
> Signed-off-by: Shaoyun Liu <Shaoyun.Liu at amd.com>
> Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>
Acked-by: Christian König <christian.koenig at amd.com>
> ---
> drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
> index 31c52c1..cb4deb2 100644
> --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
> +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
> @@ -313,6 +313,8 @@ struct tile_config {
> * @set_compute_idle: Indicates that compute is idle on a device. This
> * can be used to change power profiles depending on compute activity.
> *
> + * @get_hive_id: Returns hive id of current device, 0 if xgmi is not enabled
> + *
> * This structure contains function pointers to services that the kgd driver
> * provides to amdkfd driver.
> *
> @@ -438,6 +440,9 @@ struct kfd2kgd_calls {
> void (*gpu_recover)(struct kgd_dev *kgd);
>
> void (*set_compute_idle)(struct kgd_dev *kgd, bool idle);
> +
> + uint64_t (*get_hive_id)(struct kgd_dev *kgd);
> +
> };
>
> /**
