[PATCH 0/8] Retry page fault handling for Vega10

[Christian König]

Am 19.09.2017 um 03:05 schrieb Felix Kuehling:
> Thanks for the reviews. I rebased this on amd-staging-drm-next, retested
> and submitted.
>
> Christian, do you want to do some graphics PASID and VMFault work on top
> of that? I think I'll be working on more KFD upstreaming this week and
> maybe look at this subject again next week.

Yeah, that's on my TODO list together with quite a bunch of other things.

Going to give that a try when I have time, but don't expect anything 
before xmas.

Regards,
Christian.

>
> Regards,
>    Felix
>
>
> On 2017-09-12 07:05 PM, Felix Kuehling wrote:
>> Rebased on adeucher/amd-staging-4.13 and tested on Vega10 (graphics)
>> and Kaveri (KFD). Meaningful graphics tests with retry faults enabled
>> will only be possible after PASID support is added to amdgpu_cs.
>>
>> The chash table was moved to drivers/gpu/drm/amd/lib for now but is
>> ready to move to lib if needed. I have not got any feedback on LKLM
>> and I don't want that to hold up the patch series.
>>
>> TODO:
>> * Finish upstreaming KFD
>> * Allocate PASIDs for graphics contexts
>> * Setup VMID-PASID mapping during graphics command submission
>> * Confirm that graphics page faults have the correct PASID in the IV
>>
>>
>> Felix Kuehling (8):
>>    drm/amdgpu: Fix error handling in amdgpu_vm_init
>>    drm/amdgpu: Add PASID management
>>    drm/radeon: Add PASID manager for KFD
>>    drm/amdkfd: Separate doorbell allocation from PASID
>>    drm/amdkfd: Use PASID manager from KGD
>>    drm/amdgpu: Add prescreening stage in IH processing
>>    drm/amd: Closed hash table with low overhead
>>    drm/amdgpu: Track pending retry faults in IH and VM (v2)
>>
>>   drivers/gpu/drm/Kconfig                           |   3 +
>>   drivers/gpu/drm/Makefile                          |   1 +
>>   drivers/gpu/drm/amd/amdgpu/amdgpu.h               |   2 +
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c |   2 +
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c |   2 +
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c            |  82 +++
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h            |  12 +
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c           |   2 +-
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c            |  84 ++-
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h            |  21 +-
>>   drivers/gpu/drm/amd/amdgpu/cik_ih.c               |  14 +
>>   drivers/gpu/drm/amd/amdgpu/cz_ih.c                |  14 +
>>   drivers/gpu/drm/amd/amdgpu/iceland_ih.c           |  14 +
>>   drivers/gpu/drm/amd/amdgpu/si_ih.c                |  14 +
>>   drivers/gpu/drm/amd/amdgpu/tonga_ih.c             |  14 +
>>   drivers/gpu/drm/amd/amdgpu/vega10_ih.c            |  90 ++++
>>   drivers/gpu/drm/amd/amdkfd/kfd_device.c           |   7 -
>>   drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c         |  50 +-
>>   drivers/gpu/drm/amd/amdkfd/kfd_module.c           |   6 -
>>   drivers/gpu/drm/amd/amdkfd/kfd_pasid.c            |  90 ++--
>>   drivers/gpu/drm/amd/amdkfd/kfd_priv.h             |  10 +-
>>   drivers/gpu/drm/amd/amdkfd/kfd_process.c          |   6 +
>>   drivers/gpu/drm/amd/include/kgd_kfd_interface.h   |   6 +
>>   drivers/gpu/drm/amd/include/linux/chash.h         | 358 +++++++++++++
>>   drivers/gpu/drm/amd/lib/Kconfig                   |  27 +
>>   drivers/gpu/drm/amd/lib/Makefile                  |  11 +
>>   drivers/gpu/drm/amd/lib/chash.c                   | 622 ++++++++++++++++++++++
>>   drivers/gpu/drm/radeon/radeon_kfd.c               |  31 ++
>>   28 files changed, 1504 insertions(+), 91 deletions(-)
>>   create mode 100644 drivers/gpu/drm/amd/include/linux/chash.h
>>   create mode 100644 drivers/gpu/drm/amd/lib/Kconfig
>>   create mode 100644 drivers/gpu/drm/amd/lib/Makefile
>>   create mode 100644 drivers/gpu/drm/amd/lib/chash.c
>>