[PATCH] drm/amd/amdgpu: Add ready_to_reset resp for vega10

[Jingwen Chen]

Reviewed-by: Jingwen Chen <Jingwen.Chen2 at amd.com>
On Fri Aug 27, 2021 at 02:56:51PM +0800, YuBiao Wang wrote:
> Send response to host after received the flr notification from host.
> Port NV change to vega10.
> 
> Signed-off-by: YuBiao Wang <YuBiao.Wang at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 2 ++
>  drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h | 1 +
>  2 files changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
> index ff2307d7ee0f..23b066bcffb2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
> +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
> @@ -258,6 +258,8 @@ static void xgpu_ai_mailbox_flr_work(struct work_struct *work)
>  	amdgpu_virt_fini_data_exchange(adev);
>  	atomic_set(&adev->in_gpu_reset, 1);
>  
> +	xgpu_ai_mailbox_trans_msg(adev, IDH_READY_TO_RESET, 0, 0, 0);
> +
>  	do {
>  		if (xgpu_ai_mailbox_peek_msg(adev) == IDH_FLR_NOTIFICATION_CMPL)
>  			goto flr_done;
> diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
> index 50572635d0f8..bd3b23171579 100644
> --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
> +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
> @@ -37,6 +37,7 @@ enum idh_request {
>  	IDH_REQ_GPU_RESET_ACCESS,
>  
>  	IDH_LOG_VF_ERROR       = 200,
> +	IDH_READY_TO_RESET 	= 201,
>  };
>  
>  enum idh_event {
> -- 
> 2.25.1
>