drm/amdgpu: validate userq va for GEM unmap

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When a user unmaps a userq VA, the driver must ensure
the queue has no in-flight jobs. If there is pending work,
the kernel should wait for the attached eviction (bookkeeping)
fence to signal before deleting the mapping.

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

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Prike Liang 2025-09-19 15:14:41 +08:00 • committed by Alex Deucher

parent 89926812d3

commit 2e7ceac0ea

3 changed files with 46 additions and 0 deletions

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31

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

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3

drivers/gpu/drm/amd/amdgpu/amdgpu_userq.h

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12

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

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