[PATCH] drm/amdgpu: disable BACO support on more cards

[Chen, Guchun]

Yes, Alex, I am trying to get the root cause for this.

Regards,
Guchun

-----Original Message-----
From: Alex Deucher <alexdeucher at gmail.com> 
Sent: Friday, November 11, 2022 11:38 PM
To: Chen, Guchun <Guchun.Chen at amd.com>
Cc: amd-gfx at lists.freedesktop.org; Deucher, Alexander <Alexander.Deucher at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>; Lazar, Lijo <Lijo.Lazar at amd.com>; Quan, Evan <Evan.Quan at amd.com>
Subject: Re: [PATCH] drm/amdgpu: disable BACO support on more cards

On Fri, Nov 11, 2022 at 3:57 AM Guchun Chen <guchun.chen at amd.com> wrote:
>
> Otherwise, some unexpected PCIE AER errors will be observed in runtime 
> suspend/resume cycle.
>
> Signed-off-by: Guchun Chen <guchun.chen at amd.com>

Please make sure we try and root cause this.  I would hate to have to leave this in place for a long time.
Acked-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> 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 6212fd270857..697e98a0a20a 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
> @@ -379,6 +379,10 @@ static void sienna_cichlid_check_bxco_support(struct smu_context *smu)
>                     ((adev->pdev->device == 0x73BF) &&
>                     (adev->pdev->revision == 0xCF)) ||
>                     ((adev->pdev->device == 0x7422) &&
> +                   (adev->pdev->revision == 0x00)) ||
> +                   ((adev->pdev->device == 0x73A3) &&
> +                   (adev->pdev->revision == 0x00)) ||
> +                   ((adev->pdev->device == 0x73E3) &&
>                     (adev->pdev->revision == 0x00)))
>                         smu_baco->platform_support = false;
>
> --
> 2.25.1
>