Re: [PATCH v2 ] drm/amdgpu: fix discovery ip failed

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On Mon, Apr 11, 2022 at 11:25 AM Zhang, Jesse(Jie) <Jesse.Zhang@xxxxxxx> wrote:
>
> [AMD Official Use Only]
>
>
>
> + Deucher, Alexander
>
>
>
> From: Zhang, Jesse(Jie)
> Sent: Monday, 11 April 2022 11:15 pm
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Huang, Ray <Ray.Huang@xxxxxxx>; Zhang, Yifan <Yifan1.Zhang@xxxxxxx>
> Subject: [PATCH ] drm/amdgpu: fix discovery ip failed
>
>
>
> [AMD Official Use Only]
>
>
>
> Fix discovery ip failed, and the log:
>
>    56.129549] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected number_instance (64) from ip discovery blob
> [   56.130129] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected hw_id (45056) from ip discovery blob
> [   56.130701] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected number_instance (66) from ip discovery blob
> [   56.131283] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected hw_id (45568) from ip discovery blob
> [   56.131855] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected number_instance (66) from ip discovery blob
> [   56.132436] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected hw_id (480) from ip discovery blob
> [   56.133053] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected hw_id (608) from ip discovery blob
> [   56.133626] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected hw_id (640) from ip discovery blob
> [   56.134207] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected number_instance (64) from ip discovery blob
> [   56.134780] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected number_instance (64) from ip discovery blob
> [   56.135360] [drm:amdgpu_discovery_validate_ip [amdgpu]] *ERROR* Unexpected hw_id (28672) from ip discovery blob
>

Please add a description of what the fix is doing and add your signed-off-by.

Alex


>
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>
> index 766006a075ec..a778b0392e9f 100644
>
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>
> @@ -798,7 +798,7 @@ static int amdgpu_discovery_sysfs_ips(struct amdgpu_device *adev,
>
>                         res = kobject_add(&ip_hw_instance->kobj, NULL,
>
>                                           "%d", ip_hw_instance->num_instance);
>
> next_ip:
>
> -                       ip_offset += sizeof(*ip) + 4 * (ip->num_base_address - 1);
>
> +                       ip_offset += struct_size(ip, base_address, ip->num_base_address);
>
>                 }
>
>         }
>
>
>
> @@ -1063,7 +1063,7 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
>
>                         }
>
>
>
> next_ip:
>
> -                       ip_offset += sizeof(*ip) + 4 * (ip->num_base_address - 1);
>
> +                       ip_offset += struct_size(ip, base_address, ip->num_base_address);
>
>                 }
>
>         }
>
>
>
> @@ -1113,7 +1113,7 @@ int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id, int n
>
>                                         *revision = ip->revision;
>
>                                 return 0;
>
>                         }
>
> -                       ip_offset += sizeof(*ip) + 4 * (ip->num_base_address - 1);
>
> +                       ip_offset += struct_size(ip, base_address, ip->num_base_address);
>
>                 }
>
>         }



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