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Yes that is correct.

Thank you,

Jon

-----Original Message-----
From: Kuehling, Felix <[email protected]> 
Sent: Friday, April 24, 2020 6:51 PM
To: Kim, Jonathan <[email protected]>
Cc: [email protected]
Subject: Re: [PATCH] drm/amdgpu: sw pstate switch should only be for vega20

Am 2020-04-24 um 6:22 p.m. schrieb Jonathan Kim:
> Driver steered p-state switching is designed for Vega20 only.
> Also simplify early return for temporary disable due to SMU FW bug.
>
> Signed-off-by: Jonathan Kim <[email protected]>

Reviewed-by: Felix Kuehling <[email protected]>

I assume the early return would be qualified with a firmware version check once 
a firmware fix is available.

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> index 54d8a3e7e75c..48c0ce13f68e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> @@ -395,7 +395,9 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, 
> int pstate)
>       bool init_low = hive->pstate == AMDGPU_XGMI_PSTATE_UNKNOWN;
>  
>       /* fw bug so temporarily disable pstate switching */
> -     if (!hive || adev->asic_type == CHIP_VEGA20)
> +     return 0;
> +
> +     if (!hive || adev->asic_type != CHIP_VEGA20)
>               return 0;
>  
>       mutex_lock(&hive->hive_lock);
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