[PATCH] drm/amdgpu: Call trace info was found in dmesg when loading amdgpu

[JingWen Chen]

feel free to add

Reviewed-by: Jingwen Chen <Jingwen.Chen2 at amd.com>

On 7/14/22 10:31 AM, lin cao wrote:
> In the case of SRIOV, the register smnMp1_PMI_3_FIFO will get an invalid
> value which will cause the "shift out of bound". In Ubuntu22.04, this
> issue will be checked an related call trace will be reported in dmesg.
>
> Signed-off-by: lin cao <lin.cao at amd.com>
> ---
>  drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> index b71860e5324a..fa520d79ef67 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> @@ -886,6 +886,7 @@ static void sienna_cichlid_stb_init(struct smu_context *smu);
>  
>  static int sienna_cichlid_init_smc_tables(struct smu_context *smu)
>  {
> +	struct amdgpu_device *adev = smu->adev;
>  	int ret = 0;
>  
>  	ret = sienna_cichlid_tables_init(smu);
> @@ -896,7 +897,8 @@ static int sienna_cichlid_init_smc_tables(struct smu_context *smu)
>  	if (ret)
>  		return ret;
>  
> -	sienna_cichlid_stb_init(smu);
> +	if (!amdgpu_sriov_vf(adev))
> +		sienna_cichlid_stb_init(smu);
>  
>  	return smu_v11_0_init_smc_tables(smu);
>  }