[PATCH] drm/amdgpu: move amdgpu ttm structures to amdgpu_ttm.h

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On 08/10/2018 10:21 PM, Christian König wrote:
> Well NAK, that is intentionally kept local to the amdgpu_ttm.c file.
>
> This way we can make sure that we don't accidentally leak the structure somewhere else.

Thanks to explain that.
I thought those were left in the file accidentally.
Then fine to keep them in the file still.

Regards,
Jerry

>
> What you could do is to move it to the beginning of the file.
>
> Christian.
>
> Am 10.08.2018 um 07:44 schrieb Junwei Zhang:
>> code cleanup for amdgpu ttm structures
>>
>> Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 20 --------------------
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 17 +++++++++++++++++
>>   2 files changed, 17 insertions(+), 20 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
>> index c6611cf..87f4e8d 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
>> @@ -776,26 +776,6 @@ static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
>>           (offset >> PAGE_SHIFT);
>>   }
>> -/*
>> - * TTM backend functions.
>> - */
>> -struct amdgpu_ttm_gup_task_list {
>> -    struct list_head    list;
>> -    struct task_struct    *task;
>> -};
>> -
>> -struct amdgpu_ttm_tt {
>> -    struct ttm_dma_tt    ttm;
>> -    u64            offset;
>> -    uint64_t        userptr;
>> -    struct task_struct    *usertask;
>> -    uint32_t        userflags;
>> -    spinlock_t              guptasklock;
>> -    struct list_head        guptasks;
>> -    atomic_t        mmu_invalidations;
>> -    uint32_t        last_set_pages;
>> -};
>> -
>>   /**
>>    * amdgpu_ttm_tt_get_user_pages - Pin pages of memory pointed to by a USERPTR
>>    * pointer to memory
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
>> index 8b3cc66..b8c391a 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
>> @@ -66,6 +66,23 @@ struct amdgpu_copy_mem {
>>       unsigned long            offset;
>>   };
>> +struct amdgpu_ttm_gup_task_list {
>> +    struct list_head    list;
>> +    struct task_struct    *task;
>> +};
>> +
>> +struct amdgpu_ttm_tt {
>> +    struct ttm_dma_tt    ttm;
>> +    u64            offset;
>> +    uint64_t        userptr;
>> +    struct task_struct    *usertask;
>> +    uint32_t        userflags;
>> +    spinlock_t              guptasklock;
>> +    struct list_head        guptasks;
>> +    atomic_t        mmu_invalidations;
>> +    uint32_t        last_set_pages;
>> +};
>> +
>>   extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func;
>>   extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func;
>


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