On 4/30/25 17:48, Alex Deucher wrote:
> Used to reset a hung queue.
>
> Reviewed-by: Sunil Khatri <sunil.kha...@amd.com>
> Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/mes_userqueue.c | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
> b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
> index d6f50b13e2ba0..650fdb68db127 100644
> --- a/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
> +++ b/drivers/gpu/drm/amd/amdgpu/mes_userqueue.c
> @@ -347,9 +347,30 @@ mes_userq_mqd_destroy(struct amdgpu_userq_mgr *uq_mgr,
> amdgpu_userq_destroy_object(uq_mgr, &queue->mqd);
> }
>
> +static int mes_userq_reset(struct amdgpu_userq_mgr *uq_mgr,
> + struct amdgpu_usermode_queue *queue)
> +{
> + struct amdgpu_device *adev = uq_mgr->adev;
> + struct mes_reset_queue_input queue_input;
> + int r;
> +
> + memset(&queue_input, 0x0, sizeof(struct mes_reset_queue_input));
> +
> + queue_input.doorbell_offset = queue->doorbell_index;
> + queue_input.queue_type = queue->queue_type;
> +
> + amdgpu_mes_lock(&adev->mes);
> + r = adev->mes.funcs->reset_hw_queue(&adev->mes, &queue_input);
> + amdgpu_mes_unlock(&adev->mes);
> + if (r)
> + dev_err(adev->dev, "Failed to reset queue, err (%d)\n", r);
> + return r;
> +}
> +
> const struct amdgpu_userq_funcs userq_mes_funcs = {
> .mqd_create = mes_userq_mqd_create,
> .mqd_destroy = mes_userq_mqd_destroy,
> .unmap = mes_userq_unmap,
> .map = mes_userq_map,
> + .reset = mes_userq_reset,
> };
