[PATCH v3 1/5] drm/ttm: add helper structures for bulk moves on lru list

[zhoucm1]

On 2018年08月13日 18:16, Christian König wrote:
> Am 13.08.2018 um 11:58 schrieb Huang Rui:
>> From: Christian König <christian.koenig at amd.com>
>>
>> Add bulk move pos to store the pointer of first and last buffer object.
>> The list in between will be bulk moved on lru list.
>>
>> Signed-off-by: Christian König <christian.koenig at amd.com>
>> Signed-off-by: Huang Rui <ray.huang at amd.com>
>> Tested-by: Mike Lothian <mike at fireburn.co.uk>
>
> If you ask me that looks like it should work now, but I'm prepossessed 
> because I helped creating this.
>
> Alex, David or Jerry can somebody else take a look as well?
remember position, list ops...
Acked-by: Chunming Zhou <david1.zhou at amd.com>

>
> Thanks,
> Christian.
>
>> ---
>>   include/drm/ttm/ttm_bo_driver.h | 28 ++++++++++++++++++++++++++++
>>   1 file changed, 28 insertions(+)
>>
>> diff --git a/include/drm/ttm/ttm_bo_driver.h 
>> b/include/drm/ttm/ttm_bo_driver.h
>> index 3234cc3..e4fee8e 100644
>> --- a/include/drm/ttm/ttm_bo_driver.h
>> +++ b/include/drm/ttm/ttm_bo_driver.h
>> @@ -491,6 +491,34 @@ struct ttm_bo_device {
>>   };
>>     /**
>> + * struct ttm_lru_bulk_move_pos
>> + *
>> + * @first: first BO in the bulk move range
>> + * @last: last BO in the bulk move range
>> + *
>> + * Positions for a lru bulk move.
>> + */
>> +struct ttm_lru_bulk_move_pos {
>> +    struct ttm_buffer_object *first;
>> +    struct ttm_buffer_object *last;
>> +};
>> +
>> +/**
>> + * struct ttm_lru_bulk_move
>> + *
>> + * @tt: first/last lru entry for BOs in the TT domain
>> + * @vram: first/last lru entry for BOs in the VRAM domain
>> + * @swap: first/last lru entry for BOs on the swap list
>> + *
>> + * Helper structure for bulk moves on the LRU list.
>> + */
>> +struct ttm_lru_bulk_move {
>> +    struct ttm_lru_bulk_move_pos tt[TTM_MAX_BO_PRIORITY];
>> +    struct ttm_lru_bulk_move_pos vram[TTM_MAX_BO_PRIORITY];
>> +    struct ttm_lru_bulk_move_pos swap[TTM_MAX_BO_PRIORITY];
>> +};
>> +
>> +/**
>>    * ttm_flag_masked
>>    *
>>    * @old: Pointer to the result and original value.
>
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