[PATCH 00/13] *** per vm lru ***

[zhoucm1]

On 2018年05月10日 13:07, Zhang, Jerry (Junwei) wrote:
> On 05/09/2018 02:45 PM, Chunming Zhou wrote:
>> move implemenation from ttm to amdgpu driver. (suggested by Christian)
>> per-vm-lru is because of per-vm-bo, which has no chance to refresh 
>> lru, the nagtive effect is game performance isn't stable.
>> so all per-vm-bo should have a default order, every per-vm-bo has its 
>> priority, relying on its creation index.
>> When doing CS, if any normal bo is used, then all per-vm-bo should be 
>> used, so per-vm-bo prioirty >= normal bo priority.
>>
>> Above is per-vm-lru starting point.
>
> How do you think that we create the per vm bo as priority 1 and kernel 
> bo as priority 2 accordingly?
Yeah, then how to fix per-vm-bo order? I think we need set priority for 
every per-vm-bo. Because of lacking bo list, the per-vm-bo lru can only 
depend on priority.

Regards,
David Zhou

> Will that help to make some improvement?
>
> Jerry
>
>>
>>
>>
>> Chunming Zhou (13):
>>    ttm: abstruct evictable bo
>>    ttm: allow driver has own lru policy
>>    drm/amdgpu: add lru backend for amdgpu driver
>>    drm/amdgpu: init/fini vm lru
>>    drm/amdgpu: pass vm lru to buffer object
>>    drm/amdgpu: add amdgpu lru implementation
>>    drm/ttm: export ttm_bo_ref_bug
>>    drm/amdgpu: use RB tree instead of link list
>>    drm/amdgpu: add bo index counter
>>    drm/amdgpu: bulk move per vm bo
>>    ttm: export ttm_transfered_destroy
>>    drm/amdgpu: transferred bo doesn't use vm lru
>>    drm/amdgpu: free vm lru when vm fini
>>
>>   drivers/gpu/drm/amd/amdgpu/amdgpu.h        |   5 +-
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |   1 +
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c     |   2 +-
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c    |  14 +-
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.c |   9 +-
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.h |   4 +
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c    |   7 +
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c     | 242 
>> ++++++++++++++++++++++++++++-
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h     |  25 +++
>>   drivers/gpu/drm/ttm/ttm_bo.c               |  92 +++++++----
>>   drivers/gpu/drm/ttm/ttm_bo_util.c          |   3 +-
>>   include/drm/ttm/ttm_bo_driver.h            |  52 +++++++
>>   12 files changed, 419 insertions(+), 37 deletions(-)
>>
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