On Wed, Nov 21, 2018 at 1:11 PM Andrey Grodzovsky
<andrey.grodzovsky@xxxxxxx> wrote:
>
> It's needed for device reset of entire hive.
>
> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 ++
> drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 7 ++++++-
> 2 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 3e5bede..4ef5f7a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -1227,8 +1227,10 @@ long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
> * functions used by amdgpu_xgmi.c
> */
>
> +extern struct mutex xgmi_mutex;
> struct amdgpu_hive_info;
>
> +struct list_head *amdgpu_xgmi_get_adev_list_handle(struct amdgpu_hive_info *hive);
> struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev);
> int amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive);
> int amdgpu_xgmi_add_device(struct amdgpu_device *adev);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> index 23e4e16..e483e60 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> @@ -26,7 +26,7 @@
> #include "amdgpu_psp.h"
>
>
> -static DEFINE_MUTEX(xgmi_mutex);
> +DEFINE_MUTEX(xgmi_mutex);
>
> #define AMDGPU_MAX_XGMI_HIVE 8
> #define AMDGPU_MAX_XGMI_DEVICE_PER_HIVE 4
> @@ -41,6 +41,11 @@ struct amdgpu_hive_info {
> static struct amdgpu_hive_info xgmi_hives[AMDGPU_MAX_XGMI_HIVE];
> static unsigned hive_count = 0;
>
> +struct list_head *amdgpu_xgmi_get_adev_list_handle(struct amdgpu_hive_info *hive)
> +{
> + return &hive->device_list;
> +}
> +
> struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
> {
> int i;
> --
> 2.7.4
>
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