diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2020-03-04 15:57:23 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-03-06 14:40:30 -0500 |
| commit | 129657c86f859e37cdfe48e97b00af89584aa62a (patch) | |
| tree | 2e73e3060a207991b2946c9e7ca1c402525890a6 /drivers/gpu | |
| parent | cc9f2fba37e5f64b84fe0bf49f7988124cf38d76 (diff) | |
drm/amdkfd: Signal eviction fence on process destruction (v2)
Otherwise BOs may wait for the fence indefinitely and never be destroyed.
v2: Signal the fence right after destroying queues to avoid unnecessary
delaye-delete in kfd_process_wq_release
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: xinhui pan <xinhui.pan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 22abdbc6dfd7..c92285fbba8a 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -641,6 +641,11 @@ static void kfd_process_notifier_release(struct mmu_notifier *mn, /* Indicate to other users that MM is no longer valid */ p->mm = NULL; + /* Signal the eviction fence after user mode queues are + * destroyed. This allows any BOs to be freed without + * triggering pointless evictions or waiting for fences. + */ + dma_fence_signal(p->ef); mutex_unlock(&p->mutex); |