Re: [PATCH] drm/amdgpu: fix printk format for size_t variable

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On 2022-02-21 15:36, Tom Rix wrote:
> 
> On 2/21/22 11:57 AM, Luben Tuikov wrote:
>> Hi Tom,
>>
>> This was already fixed with this patch, and LKML was CC-ed. See the CC tags in the patch below,
>>
>> commit 4f7d7cda90cbd7
>> Author: Luben Tuikov <luben.tuikov@xxxxxxx>
>> Date:   Wed Feb 16 16:47:32 2022 -0500
>>
>>      drm/amdgpu: Fix ARM compilation warning
>>      
>>      Fix this ARM warning:
> 
> I glad it wasn't just mips ;)
> 
> There have been a couple of build breaks with amdgpu recently.
> 
> Nick asked about adding clang to your ci.
> 
> Could at least one non x86_64 gcc also be added, maybe aarch64 ?

Yeah, that's a great idea. I tried the make.cross (for ARM) as per
the initial breakage report, but when I tried it, it got into a loop of
"make ARCH=arm mrproper" --> "make prepare" --> "make ARCH=arm mrproper" --> "make prepare" --> ...
and I couldn't figure out why.

I don't mind adding ARM cross compilation into my local setup.

Regards,
Luben


> 
> Tom
> 
>>      
>>      drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:664:35: warning: format '%ld'
>>      expects argument of type 'long int', but argument 4 has type 'size_t' {aka
>>      'unsigned int'} [-Wformat=]
>>      
>>      Cc: Alex Deucher <Alexander.Deucher@xxxxxxx>
>>      Cc: kbuild-all@xxxxxxxxxxxx
>>      Cc: linux-kernel@xxxxxxxxxxxxxxx
>>      Reported-by: kernel test robot <lkp@xxxxxxxxx>
>>      Fixes: 7e60fbfbdc10a0 ("drm/amdgpu: Show IP discovery in sysfs")
>>      Signed-off-by: Luben Tuikov <luben.tuikov@xxxxxxx>
>>      Acked-by: Alex Deucher <Alexander.Deucher@xxxxxxx>
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>> index 2506bcf36c870c..6c7ec058125e1d 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>> @@ -668,7 +668,7 @@ static int amdgpu_discovery_sysfs_ips(struct amdgpu_device *adev,
>>                              le16_to_cpu(ip->hw_id) != ii)
>>                                  goto next_ip;
>>   
>> -                       DRM_DEBUG("match:%d @ ip_offset:%ld", ii, ip_offset);
>> +                       DRM_DEBUG("match:%d @ ip_offset:%zu", ii, ip_offset);
>>   
>>                          /* We have a hw_id match; register the hw
>>                           * block if not yet registered.
>>
>> Regards,
>> Luben
>>
>> On 2022-02-21 12:37, trix@xxxxxxxxxx wrote:
>>> From: Tom Rix <trix@xxxxxxxxxx>
>>>
>>> On mips64 allyesconfig, there is this build break
>>> amdgpu_discovery.c:671:35: error: format '%ld' expects
>>>    argument of type 'long int', but argument 4 has
>>>    type 'size_t' {aka 'unsigned int'}
>>>    DRM_DEBUG("match:%d @ ip_offset:%ld", ii, ip_offset);
>>>
>>> For size_t, use %zu.
>>>
>>> Fixes: a6c40b178092 ("drm/amdgpu: Show IP discovery in sysfs")
>>> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
>>> ---
>>>   drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>>> index 7c7e28fd912e..58238f67b1d3 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
>>> @@ -668,7 +668,7 @@ static int amdgpu_discovery_sysfs_ips(struct amdgpu_device *adev,
>>>   			    le16_to_cpu(ip->hw_id) != ii)
>>>   				goto next_ip;
>>>   
>>> -			DRM_DEBUG("match:%d @ ip_offset:%ld", ii, ip_offset);
>>> +			DRM_DEBUG("match:%d @ ip_offset:%zu", ii, ip_offset);
>>>   
>>>   			/* We have a hw_id match; register the hw
>>>   			 * block if not yet registered.
>> Regards,
> 

Regards,
-- 
Luben



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