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drm/amdkfd: handle errors returned by svm_migrate_copy_to_vram/ram

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If migration copy failed because process is killed, or out of VRAM or
system memory, pass error code back to caller to handle error
gracefully.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Philip Yang
2021-04-28 18:57:57 -04:00
committed by Alex Deucher
parent ef0d7d2001
commit 04fe3fd10e
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
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@@ -460,8 +460,8 @@ retry:
}
if (migrate.cpages) {
svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence,
scratch);
r = svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence,
scratch);
migrate_vma_pages(&migrate);
svm_migrate_copy_done(adev, mfence);
migrate_vma_finalize(&migrate);
@@ -663,8 +663,8 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange,
pr_debug("cpages %ld\n", migrate.cpages);
if (migrate.cpages) {
svm_migrate_copy_to_ram(adev, prange, &migrate, &mfence,
scratch);
r = svm_migrate_copy_to_ram(adev, prange, &migrate, &mfence,
scratch);
migrate_vma_pages(&migrate);
svm_migrate_copy_done(adev, mfence);
migrate_vma_finalize(&migrate);