amdgpu 32-bit arm warnings

[Alex Deucher]

On Wed, Aug 19, 2015 at 11:38 PM, Michel Dänzer <michel at daenzer.net> wrote:
> On 20.08.2015 08:50, Dave Airlie wrote:
>>   CC [M]  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.o
>> /home/airlied/devel/kernel/drm-next/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:
>> In function ‘amdgpu_cs_parser_init’:
>> /home/airlied/devel/kernel/drm-next/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:211:21:
>> warning: cast to pointer from integer of different size
>> [-Wint-to-pointer-cast]
>>   chunk_array_user = (uint64_t __user *)(cs->in.chunks);
>>                      ^
>> /home/airlied/devel/kernel/drm-next/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:231:15:
>> warning: cast to pointer from integer of different size
>> [-Wint-to-pointer-cast]
>>    chunk_ptr = (void __user *)chunk_array[i];
>>                ^
>> /home/airlied/devel/kernel/drm-next/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:241:11:
>> warning: cast to pointer from integer of different size
>> [-Wint-to-pointer-cast]
>>    cdata = (void __user *)user_chunk.chunk_data;
>>            ^
>
> Looks like the (unsigned long) casts removed by commit e60b344f
> ("drm/amdgpu: optimize amdgpu_parser_init") need to stay.
>

Attached patch should fix it.

Alex
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