Re: [PATCH] drm/amdgpu: Add "harvest" to IP discovery sysfs

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On 2022-02-15 09:25, Christian König wrote:
> Am 15.02.22 um 00:21 schrieb Luben Tuikov:
>> Add the "harvest" field to the IP attributes in
>> the IP discovery sysfs visualization, as this
>> field is present in the binary data.
>>
>> Cc: Alex Deucher <Alexander.Deucher@xxxxxxx>
>> Signed-off-by: Luben Tuikov <luben.tuikov@xxxxxxx>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 8 ++++++++
>>   1 file changed, 8 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>> index c8dbdb78988ce0..0496d369504641 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>> @@ -393,6 +393,7 @@ struct ip_hw_instance {
>>   	int hw_id;
>>   	u8  num_instance;
>>   	u8  major, minor, revision;
>> +	u8  harvest;
> 
> Should we maybe use bool here instead?
> 
> Apart from that looks good to me.

Thanks Christian.

I don't mind using bool here.

I saw the field in the binary data is 4 bits and represented that.

Is the field actually bool in the IP binary data?
I can change the patch and resubmit.

Regards,
Luben

> 
> Regards,
> Christian.
> 
>>   
>>   	int num_base_addresses;
>>   	u32 base_addr[];
>> @@ -440,6 +441,11 @@ static ssize_t revision_show(struct ip_hw_instance *ip_hw_instance, char *buf)
>>   	return sysfs_emit(buf, "%d\n", ip_hw_instance->revision);
>>   }
>>   
>> +static ssize_t harvest_show(struct ip_hw_instance *ip_hw_instance, char *buf)
>> +{
>> +	return sysfs_emit(buf, "0x%01X\n", ip_hw_instance->harvest);
>> +}
>> +
>>   static ssize_t num_base_addresses_show(struct ip_hw_instance *ip_hw_instance, char *buf)
>>   {
>>   	return sysfs_emit(buf, "%d\n", ip_hw_instance->num_base_addresses);
>> @@ -471,6 +477,7 @@ static struct ip_hw_instance_attr ip_hw_attr[] = {
>>   	__ATTR_RO(major),
>>   	__ATTR_RO(minor),
>>   	__ATTR_RO(revision),
>> +	__ATTR_RO(harvest),
>>   	__ATTR_RO(num_base_addresses),
>>   	__ATTR_RO(base_addr),
>>   };
>> @@ -708,6 +715,7 @@ static int amdgpu_discovery_sysfs_ips(struct amdgpu_device *adev,
>>   			ip_hw_instance->major = ip->major;
>>   			ip_hw_instance->minor = ip->minor;
>>   			ip_hw_instance->revision = ip->revision;
>> +			ip_hw_instance->harvest = ip->harvest;
>>   			ip_hw_instance->num_base_addresses = ip->num_base_address;
>>   
>>   			for (kk = 0; kk < ip_hw_instance->num_base_addresses; kk++)
>>
>> base-commit: d8604f1d237a145db48bae4ea60b85a5875df307
> 

Regards,
-- 
Luben



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