RE: [PATCH] drm/amdkfd: fix add queue process context clear for hsa non-init cases

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+ Eric

> -----Original Message-----
> From: Kim, Jonathan <Jonathan.Kim@xxxxxxx>
> Sent: Tuesday, September 12, 2023 8:17 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Ji, Ruili <Ruili.Ji@xxxxxxx>; Guo, Shikai <Shikai.Guo@xxxxxxx>;
> JinHuiEricHuang@xxxxxxx; Kuehling, Felix <Felix.Kuehling@xxxxxxx>; Kim,
> Jonathan <Jonathan.Kim@xxxxxxx>; Guo, Shikai <Shikai.Guo@xxxxxxx>;
> Kim, Jonathan <Jonathan.Kim@xxxxxxx>
> Subject: [PATCH] drm/amdkfd: fix add queue process context clear for hsa
> non-init cases
>
> There are cases where HSA is not initialized when adding queues and
> the ADD_QUEUE API should clear the MES process context instead of
> SET_SHADER_DEBUGGER.
>
> The only time ADD_QUEUE.skip_process_ctx_clear is required is for
> debugger use cases and a debugged process is always runtime enabled
> when adding a queue.
>
> Tested-by: Shikai Guo <shikai.guo@xxxxxxx>
> Signed-off-by: Jonathan Kim <jonathan.kim@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> index 6d07a5dd2648..77159b03a422 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> @@ -227,8 +227,10 @@ static int add_queue_mes(struct
> device_queue_manager *dqm, struct queue *q,
>       queue_input.tba_addr = qpd->tba_addr;
>       queue_input.tma_addr = qpd->tma_addr;
>       queue_input.trap_en = !kfd_dbg_has_cwsr_workaround(q->device);
> -     queue_input.skip_process_ctx_clear = qpd->pqm->process-
> >debug_trap_enabled ||
> -
> kfd_dbg_has_ttmps_always_setup(q->device);
> +     queue_input.skip_process_ctx_clear =
> +             qpd->pqm->process->runtime_info.runtime_state ==
> DEBUG_RUNTIME_STATE_ENABLED &&
> +                                             (qpd->pqm->process-
> >debug_trap_enabled ||
> +
> kfd_dbg_has_ttmps_always_setup(q->device));
>
>       queue_type = convert_to_mes_queue_type(q->properties.type);
>       if (queue_type < 0) {
> --
> 2.34.1





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