[PATCH 00/13] shadow page table support

[zhoucm1]

ping...

Don't know where Christian is. any others could review it?

Thanks,
David Zhou

On 2016年07月28日 18:11, Chunming Zhou wrote:
> Since we cannot make sure VRAM is safe after gpu reset, page table backup
> is neccessary, shadow page table is sense way to recovery page talbe when
> gpu reset happens.
> We need to allocate GTT bo as the shadow of VRAM bo when creating page table,
> and make them same. After gpu reset, we will need to use SDMA to copy GTT bo
> content to VRAM bo, then page table will be recoveried.
>
> TODO: gart table should be saved as well, will generate a sperate patch set.
>
> Chunming Zhou (13):
>    drm/amdgpu: irq resume should be immediately after gpu resume
>    drm/amdgpu: add shadow bo support
>    drm/amdgpu: set shadow flag for pd/pt bo
>    drm/amdgpu: update shadow pt bo while update pt
>    drm/amdgpu: update pd shadow while updating pd
>    drm/amdgpu: implement amdgpu_vm_recover_page_table_from_shadow
>    drm/amdgpu: link all vm clients
>    drm/amdgpu: add vm_list_lock
>    drm/amd: add block entity function
>    drm/amdgpu: recover page tables after gpu reset
>    drm/amd: wait neccessary dependency before running job
>    drm/amdgpu: add vm recover pt fence
>    drm/amdgpu: add backup condition for shadow page table
>
>   drivers/gpu/drm/amd/amdgpu/amdgpu.h           |  15 ++
>   drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c        |   6 +
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c    |  33 +++-
>   drivers/gpu/drm/amd/amdgpu/amdgpu_job.c       |   5 +
>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.c    |  36 ++++-
>   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c        | 219 ++++++++++++++++++++++----
>   drivers/gpu/drm/amd/scheduler/gpu_scheduler.c |  30 +++-
>   drivers/gpu/drm/amd/scheduler/gpu_scheduler.h |   3 +
>   include/uapi/drm/amdgpu_drm.h                 |   2 +
>   9 files changed, 316 insertions(+), 33 deletions(-)
>