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drm/amdgpu: Checkpoint and Restore VRAM BOs without VA

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Extend checkpoint logic to allow inclusion of VRAM BOs that
do not have a VA attached

Signed-off-by: Ramesh Errabolu <Ramesh.Errabolu@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ramesh Errabolu
2023-07-21 18:00:41 -05:00
committed by Alex Deucher
parent 952ee94593
commit 6d67b681f9
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
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@@ -1846,7 +1846,7 @@ static uint32_t get_process_num_bos(struct kfd_process *p)
idr_for_each_entry(&pdd->alloc_idr, mem, id) {
struct kgd_mem *kgd_mem = (struct kgd_mem *)mem;
if ((uint64_t)kgd_mem->va > pdd->gpuvm_base)
if (!kgd_mem->va || kgd_mem->va > pdd->gpuvm_base)
num_of_bos++;
}
}
@@ -1918,7 +1918,11 @@ static int criu_checkpoint_bos(struct kfd_process *p,
kgd_mem = (struct kgd_mem *)mem;
dumper_bo = kgd_mem->bo;
if ((uint64_t)kgd_mem->va <= pdd->gpuvm_base)
/* Skip checkpointing BOs that are used for Trap handler
* code and state. Currently, these BOs have a VA that
* is less GPUVM Base
*/
if (kgd_mem->va && kgd_mem->va <= pdd->gpuvm_base)
continue;
bo_bucket = &bo_buckets[bo_index];