drm/amdgpu: Cleanup exported UALink handles

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Add implementation for freeing up exporter GPU's UALink
handles and the corresponding xarray entries. Before freeing,
the exporter GPU would send the NPA-REVOKE message to all the
importers and wait for the NPA-RELEASE messages to come back
before freeing the xarray entry.

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Mukul Joshi 2026-02-16 22:54:38 -05:00 • committed by Alex Deucher

parent 49253eae84

commit 8ad8d0cdb4

1 changed files with 343 additions and 0 deletions

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

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