ping... Don't know where Christian is. any others could review it? Thanks, David Zhou On 2016å¹´07æ??28æ?¥ 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(-) >
