drm/amdkfd: Optimize svm range map to GPU with XNACK on

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With XNACK on if svm_range_set_attr set the range access or
access_in_place attribute, we don't call svm_range_validate_and_map to
update GPU mapping. This avoids prefaulting the range pages on system
memory if the range is not prefetch to VRAM and not mapped to GPUs.

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>

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Philip Yang 2023-04-24 14:46:16 -04:00 • committed by Alex Deucher

parent 9420a03406

commit 435af0b919

1 changed files with 3 additions and 1 deletions

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

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