Series is Reviewed-by: Oak Zeng <Oak.Zeng@xxxxxxx>
Regards,
Oak
-----Original Message-----
From: Kuehling, Felix <Felix.Kuehling@xxxxxxx>
Sent: Friday, June 21, 2019 3:34 AM
To: Zeng, Oak <Oak.Zeng@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH 1/2] drm/amdkfd: Add chained_runlist_idle_disable flag to pm4_mes_runlist
Yes. MEC firmware version #425 should have the necessary change.
Regards,
Felix
On 2019-06-20 3:23 p.m., Zeng, Oak wrote:
> Hi Felix,
>
> Does this require a MEC firmware change?
>
> Regards,
> Oak
>
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Kuehling, Felix
> Sent: Thursday, June 20, 2019 3:22 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Kuehling, Felix <Felix.Kuehling@xxxxxxx>
> Subject: [PATCH 1/2] drm/amdkfd: Add chained_runlist_idle_disable flag to pm4_mes_runlist
>
> New flag to disable an idle runlist optimization that is causing soft hangs with some diffult-to-reproduce customer workloads. This will serve as a workaround until the problem can be reproduced and the root-cause determined.
>
> Signed-off-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h
> index 49ab66b703fa..e3e21404cfa0 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_pm4_headers_ai.h
> @@ -120,7 +120,7 @@ struct pm4_mes_runlist {
> uint32_t ib_size:20;
> uint32_t chain:1;
> uint32_t offload_polling:1;
> - uint32_t reserved2:1;
> + uint32_t chained_runlist_idle_disable:1;
> uint32_t valid:1;
> uint32_t process_cnt:4;
> uint32_t reserved3:4;
> --
> 2.17.1
>
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