drm/amdkfd: Fix eviction fence handling

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Handle case that dma_fence_get_rcu_safe returns NULL.

If restore work is already scheduled, only update its timer. The same
work item cannot be queued twice, so undo the extra queue eviction.

Fixes: 9a1c1339ab ("drm/amdkfd: Run restore_workers on freezable WQs")
Signed-off-by: Felix Kuehling <felix.kuehling@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Tested-by: Gang BA <Gang.Ba@amd.com>
Reviewed-by: Gang BA <Gang.Ba@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

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Felix Kuehling 2024-04-17 21:13:59 -04:00 • committed by Alex Deucher

parent 2eb9dd497a

commit 37865e02e6

1 changed files with 5 additions and 4 deletions

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

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