Commit edc857a6 authored by gaba's avatar gaba Committed by Alex Deucher
Browse files

drm/amdgpu: avoid restore process run into dead loop. 



In restore process worker, pinned BO cause update PTE fail, then
the function re-schedule the restore_work. This will generate dead loop.

Signed-off-by: default avatargaba <gaba@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0127ab1b

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c

+3 −0
Original line number Diff line number Diff line
@@ -2881,6 +2881,9 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef) 
			if (!attachment->is_mapped)

				continue;



			if (attachment->bo_va->base.bo->tbo.pin_count)

				continue;



			kfd_mem_dmaunmap_attachment(mem, attachment);

			ret = update_gpuvm_pte(mem, attachment, &sync_obj);

			if (ret) {