Re: [PATCH 2/2] drm/amdgpu: drop unused function

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On Thu, Apr 27, 2023 at 2:34 PM Alex Deucher <alexander.deucher@xxxxxxx> wrote:
>
> amdgpu_discovery_get_ip_version() has not been used since
> commit c40bdfb2ffa4 ("drm/amdgpu: fix incorrect VCN revision in SRIOV")
> so drop it.
>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 48 -------------------
>  drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h |  2 -
>  2 files changed, 50 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> index 76ceca05452e..b58d94dc1924 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> @@ -1208,54 +1208,6 @@ static int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
>         return 0;
>  }
>
> -int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id, int number_instance,
> -                                   int *major, int *minor, int *revision)
> -{
> -       struct binary_header *bhdr;
> -       struct ip_discovery_header *ihdr;
> -       struct die_header *dhdr;
> -       struct ip *ip;
> -       uint16_t die_offset;
> -       uint16_t ip_offset;
> -       uint16_t num_dies;
> -       uint16_t num_ips;
> -       int i, j;
> -
> -       if (!adev->mman.discovery_bin) {
> -               DRM_ERROR("ip discovery uninitialized\n");
> -               return -EINVAL;
> -       }
> -
> -       bhdr = (struct binary_header *)adev->mman.discovery_bin;
> -       ihdr = (struct ip_discovery_header *)(adev->mman.discovery_bin +
> -                       le16_to_cpu(bhdr->table_list[IP_DISCOVERY].offset));
> -       num_dies = le16_to_cpu(ihdr->num_dies);
> -
> -       for (i = 0; i < num_dies; i++) {
> -               die_offset = le16_to_cpu(ihdr->die_info[i].die_offset);
> -               dhdr = (struct die_header *)(adev->mman.discovery_bin + die_offset);
> -               num_ips = le16_to_cpu(dhdr->num_ips);
> -               ip_offset = die_offset + sizeof(*dhdr);
> -
> -               for (j = 0; j < num_ips; j++) {
> -                       ip = (struct ip *)(adev->mman.discovery_bin + ip_offset);
> -
> -                       if ((le16_to_cpu(ip->hw_id) == hw_id) && (ip->number_instance == number_instance)) {
> -                               if (major)
> -                                       *major = ip->major;
> -                               if (minor)
> -                                       *minor = ip->minor;
> -                               if (revision)
> -                                       *revision = ip->revision;
> -                               return 0;
> -                       }
> -                       ip_offset += struct_size(ip, base_address, ip->num_base_address);
> -               }
> -       }
> -
> -       return -EINVAL;
> -}
> -
>  static void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev)
>  {
>         int vcn_harvest_count = 0;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
> index 8563dd4a7dc2..63ec6924b907 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
> @@ -28,8 +28,6 @@
>  #define DISCOVERY_TMR_OFFSET    (64 << 10)
>
>  void amdgpu_discovery_fini(struct amdgpu_device *adev);
> -int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id, int number_instance,
> -                                    int *major, int *minor, int *revision);
>  int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev);
>
>  #endif /* __AMDGPU_DISCOVERY__ */
> --
> 2.40.0
>




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