drm/amdkfd: Use partial hmm page walk during buffer validation in SVM

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SVM uses hmm page walk to valid buffer before map to gpu vm. After have partial
migration/mapping do validation on same vm range as migration/map do instead of
whole svm range that can be very large. This change is expected to improve svm
code performance.

Signed-off-by: Xiaogang Chen <xiaogang.chen@amd.com>
Reviewed-by: Philip Yang <philip.yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Xiaogang Chen 2023-12-15 17:14:07 -06:00 • committed by Alex Deucher

parent e48c8cbeeb

commit 006ad514a5

2 changed files with 48 additions and 66 deletions

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35

drivers/gpu/drm/amd/amdkfd/kfd_migrate.c

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79

drivers/gpu/drm/amd/amdkfd/kfd_svm.c

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