To free page table BOs which are freed when updating page table, for example PTE BOs when PDE0 used as PTE. Signed-off-by: Philip Yang <Philip.Yang@xxxxxxx> --- drivers/gpu/drm/amd/amdkfd/kfd_process.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index af0a4b5257cc..0ff007a74d03 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -2101,6 +2101,11 @@ void kfd_flush_tlb(struct kfd_process_device *pdd, enum TLB_FLUSH_TYPE type) amdgpu_amdkfd_flush_gpu_tlb_pasid( dev->adev, pdd->process->pasid, type, xcc); } + + /* Signal page table fence to free page table BOs */ + dma_fence_signal(vm->pt_fence); + dma_fence_put(vm->pt_fence); + vm->pt_fence = amdgpu_pt_fence_create(); } struct kfd_process_device *kfd_process_device_data_by_id(struct kfd_process *p, uint32_t gpu_id) -- 2.35.1
