Re: [PATCH 2/2] drm/amdgpu: disable DCN and VCN for navi10 blockchain SKU(v3)

["Yin, Tianci (Rico)" <Tianci.Yin@amd.com>]

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[AMD Official Use Only - Internal Distribution Only]

Thanks very much Alex!
________________________________
From: Alex Deucher <alexdeucher@gmail.com>
Sent: Thursday, October 22, 2020 11:45
To: Yin, Tianci (Rico) <Tianci.Yin@amd.com>
Cc: amd-gfx list <amd-gfx@lists.freedesktop.org>; Long, Gang <Gang.Long@amd.com>; Chen, Guchun <Guchun.Chen@amd.com>; Xu, Feifei <Feifei.Xu@amd.com>; Tuikov, Luben <Luben.Tuikov@amd.com>; Deucher, Alexander <Alexander.Deucher@amd.com>; Cui, Flora <Flora.Cui@amd.com>; Zhang, Hawking <Hawking.Zhang@amd.com>
Subject: Re: [PATCH 2/2] drm/amdgpu: disable DCN and VCN for navi10 blockchain SKU(v3)

On Wed, Oct 21, 2020 at 11:43 PM Tianci Yin <tianci.yin@amd.com> wrote:
>
> From: "Tianci.Yin" <tianci.yin@amd.com>
>
> The blockchain SKU has no display and video support, remove them.
>
> Change-Id: I419cfae8b00125f3bff18c0a8cd92f3266d5f04a
> Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/nv.c | 14 ++++++++++++--
>  1 file changed, 12 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
> index ce787489aaeb..26702c85caf8 100644
> --- a/drivers/gpu/drm/amd/amdgpu/nv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/nv.c
> @@ -497,6 +497,14 @@ void nv_set_virt_ops(struct amdgpu_device *adev)
>         adev->virt.ops = &xgpu_nv_virt_ops;
>  }
>
> +bool nv_is_blockchain_sku(struct pci_dev *pdev)

This can be static.  With that fixed, the series is:
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

> +{
> +       if (pdev->device == 0x731E &&
> +           (pdev->revision == 0xC6 || pdev->revision == 0xC7))
> +               return true;
> +       return false;
> +}
> +
>  int nv_set_ip_blocks(struct amdgpu_device *adev)
>  {
>         int r;
> @@ -530,7 +538,8 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
>                 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
>                         amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
>  #if defined(CONFIG_DRM_AMD_DC)
> -               else if (amdgpu_device_has_dc_support(adev))
> +               else if (amdgpu_device_has_dc_support(adev) &&
> +                        !nv_is_blockchain_sku(adev->pdev))
>                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
>  #endif
>                 amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
> @@ -538,7 +547,8 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
>                 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
>                     !amdgpu_sriov_vf(adev))
>                         amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
> -               amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
> +               if (!nv_is_blockchain_sku(adev->pdev))
> +                       amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
>                 amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
>                 if (adev->enable_mes)
>                         amdgpu_device_ip_block_add(adev, &mes_v10_1_ip_block);
> --
> 2.17.1
>
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