Am 2022-09-12 um 08:36 schrieb Christian König:
Use DMA_RESV_USAGE_BOOKKEEP for VM page table updates and KFD preemption fence.
v2: actually update all usages for KFD
Signed-off-by: Christian König <christian.koe...@amd.com>
---
.../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 26 ++++++++++++-------
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 3 ++-
2 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index f4c49537d837..978d3970b5cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -298,7 +298,7 @@ static int amdgpu_amdkfd_remove_eviction_fence(struct
amdgpu_bo *bo,
*/
replacement = dma_fence_get_stub();
dma_resv_replace_fences(bo->tbo.base.resv, ef->base.context,
- replacement, DMA_RESV_USAGE_READ);
+ replacement, DMA_RESV_USAGE_BOOKKEEP);
dma_fence_put(replacement);
return 0;
}
@@ -1391,8 +1391,9 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void
**process_info,
ret = dma_resv_reserve_fences(vm->root.bo->tbo.base.resv, 1);
if (ret)
goto reserve_shared_fail;
- amdgpu_bo_fence(vm->root.bo,
- &vm->process_info->eviction_fence->base, true);
+ dma_resv_add_fence(vm->root.bo->tbo.base.resv,
+ &vm->process_info->eviction_fence->base,
+ DMA_RESV_USAGE_BOOKKEEP);
amdgpu_bo_unreserve(vm->root.bo);
/* Update process info */
@@ -1989,9 +1990,9 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(
}
if (!amdgpu_ttm_tt_get_usermm(bo->tbo.ttm) && !bo->tbo.pin_count)
- amdgpu_bo_fence(bo,
- &avm->process_info->eviction_fence->base,
- true);
+ dma_resv_add_fence(bo->tbo.base.resv,
+ &avm->process_info->eviction_fence->base,
+ DMA_RESV_USAGE_BOOKKEEP);
This removes the implicit dma_resv_reserve_fences that amdgpu_bo_fence
used to do. Do we need to add back an explicit dma_resv_reserve_fences
somewhere here?
ret = unreserve_bo_and_vms(&ctx, false, false);
goto out;
@@ -2760,15 +2761,18 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info,
struct dma_fence **ef)
if (mem->bo->tbo.pin_count)
continue;
- amdgpu_bo_fence(mem->bo,
- &process_info->eviction_fence->base, true);
+ dma_resv_add_fence(mem->bo->tbo.base.resv,
+ &process_info->eviction_fence->base,
+ DMA_RESV_USAGE_BOOKKEEP);
Same as above.
}
/* Attach eviction fence to PD / PT BOs */
list_for_each_entry(peer_vm, &process_info->vm_list_head,
vm_list_node) {
struct amdgpu_bo *bo = peer_vm->root.bo;
- amdgpu_bo_fence(bo, &process_info->eviction_fence->base, true);
+ dma_resv_add_fence(bo->tbo.base.resv,
+ &process_info->eviction_fence->base,
+ DMA_RESV_USAGE_BOOKKEEP);
Same as above.
}
validate_map_fail:
@@ -2822,7 +2826,9 @@ int amdgpu_amdkfd_add_gws_to_process(void *info, void
*gws, struct kgd_mem **mem
ret = dma_resv_reserve_fences(gws_bo->tbo.base.resv, 1);
if (ret)
goto reserve_shared_fail;
- amdgpu_bo_fence(gws_bo, &process_info->eviction_fence->base, true);
+ dma_resv_add_fence(gws_bo->tbo.base.resv,
+ &process_info->eviction_fence->base,
+ DMA_RESV_USAGE_BOOKKEEP);
amdgpu_bo_unreserve(gws_bo);
mutex_unlock(&(*mem)->process_info->lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
index 1fd3cbca20a2..03ec099d64e0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
@@ -112,7 +112,8 @@ static int amdgpu_vm_sdma_commit(struct
amdgpu_vm_update_params *p,
swap(p->vm->last_unlocked, tmp);
dma_fence_put(tmp);
} else {
- amdgpu_bo_fence(p->vm->root.bo, f, true);
+ dma_resv_add_fence(p->vm->root.bo->tbo.base.resv, f,
+ DMA_RESV_USAGE_BOOKKEEP);
Same as above.
Regards,
Felix
}
if (fence && !p->immediate)
