drm/amdgpu: install stub fence into potential unused fence pointers

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When using cpu to update page tables, vm update fences are unused.
Install stub fence into these fence pointers instead of NULL
to avoid NULL dereference when calling dma_fence_wait() on them.

Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Lang Yu 2023-05-05 20:14:15 +08:00 • committed by Alex Deucher

parent bf7fda0b37

commit 187916e6ed

1 changed files with 4 additions and 2 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

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