Re: [PATCH] drm/amdgpu: Do not init ta microcode from guest side

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On 8/12/2024 8:52 AM, Hawking Zhang wrote:
> TA should not be loaded from guest side.

Does this apply to XGMI TA?

Thanks,
Lijo

> 
> Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
> Reviewed-by: Shiwu Zhang <shiwu.zhang@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
> index 85ec9e35690a..749d8143b1e7 100644
> --- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c
> @@ -132,9 +132,11 @@ static int psp_v13_0_init_microcode(struct psp_context *psp)
>  		    (adev->emu_flags & AMDGPU_EMU_dGPU_SIDEWINDER))
>  			break;
>  		/* It's not necessary to load ras ta on Guest side */
> -		err = psp_init_ta_microcode(psp, ucode_prefix);
> -		if (err)
> -			return err;
> +		if (!amdgpu_sriov_vf(adev)) {
> +			err = psp_init_ta_microcode(psp, ucode_prefix);
> +			if (err)
> +				return err;
> +		}
>  		break;
>  	default:
>  		BUG();



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