Re: [PATCH] drm/amdgpu: Align serial size in drm_amdgpu_info_vbios

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No, this structure contains all the details of the vbios: date, serial number, name, etc.

The sysfs node only contains the vbios name string

> On May 9, 2021, at 23:33, Gu, JiaWei (Will) <JiaWei.Gu@xxxxxxx> wrote:
> 
> [AMD Official Use Only - Internal Distribution Only]
> 
> With a second thought, 
> __u8 serial[16] in drm_amdgpu_info_vbios is a bit redundant, sysfs serial_number already exposes it.
> 
> Is it fine to abandon it from drm_amdgpu_info_vbios struct? @Alex Deucher @Nieto, David M
> 
> Best regards,
> Jiawei
> 
> -----Original Message-----
> From: Alex Deucher <alexdeucher@xxxxxxxxx> 
> Sent: Sunday, May 9, 2021 11:59 PM
> To: Gu, JiaWei (Will) <JiaWei.Gu@xxxxxxx>
> Cc: amd-gfx list <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>; Kees Cook <keescook@xxxxxxxxxxxx>
> Subject: Re: [PATCH] drm/amdgpu: Align serial size in drm_amdgpu_info_vbios
> 
>> On Sat, May 8, 2021 at 2:48 AM Jiawei Gu <Jiawei.Gu@xxxxxxx> wrote:
>> 
>> 20 should be serial char size now instead of 16.
>> 
>> Signed-off-by: Jiawei Gu <Jiawei.Gu@xxxxxxx>
> 
> Please make sure this keeps proper 64 bit alignment in the structure.
> 
> Alex
> 
> 
>> ---
>> include/uapi/drm/amdgpu_drm.h | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/include/uapi/drm/amdgpu_drm.h
>> b/include/uapi/drm/amdgpu_drm.h index 2b487a8d2727..1c20721f90da 
>> 100644
>> --- a/include/uapi/drm/amdgpu_drm.h
>> +++ b/include/uapi/drm/amdgpu_drm.h
>> @@ -957,7 +957,7 @@ struct drm_amdgpu_info_vbios {
>>        __u8 vbios_pn[64];
>>        __u32 version;
>>        __u8 date[32];
>> -       __u8 serial[16];
>> +       __u8 serial[20];
>>        __u32 dev_id;
>>        __u32 rev_id;
>>        __u32 sub_dev_id;
>> --
>> 2.17.1
>> 
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