diff options
| author | Prike Liang <[email protected]> | 2025-04-30 02:34:14 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2025-05-22 16:00:44 +0000 |
| commit | b2c11e27080d8556664c20c30ca3527ffa99bec4 (patch) | |
| tree | 494cd0d19a38f66d83c97e84b050cea74f0d10a5 /drivers/gpu | |
| parent | drm/amdkfd: Change svm_range_get_info return type (diff) | |
| download | kernel-b2c11e27080d8556664c20c30ca3527ffa99bec4.tar.gz kernel-b2c11e27080d8556664c20c30ca3527ffa99bec4.zip | |
drm/amdgpu: lock the eviction fence for wq signals it
Lock and refer to the eviction fence before the eviction fence
schedules work queue tries to signal it.
Suggested-by: Christian König <[email protected]>
Signed-off-by: Prike Liang <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Reviewed-by: Arvind Yadav <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.c index 73b629b5f56f..8b919ad3af29 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.c @@ -108,13 +108,22 @@ amdgpu_eviction_fence_suspend_worker(struct work_struct *work) struct amdgpu_eviction_fence *ev_fence; mutex_lock(&uq_mgr->userq_mutex); + spin_lock(&evf_mgr->ev_fence_lock); ev_fence = evf_mgr->ev_fence; - if (!ev_fence) + if (ev_fence) + dma_fence_get(&ev_fence->base); + else goto unlock; + spin_unlock(&evf_mgr->ev_fence_lock); amdgpu_userq_evict(uq_mgr, ev_fence); + mutex_unlock(&uq_mgr->userq_mutex); + dma_fence_put(&ev_fence->base); + return; + unlock: + spin_unlock(&evf_mgr->ev_fence_lock); mutex_unlock(&uq_mgr->userq_mutex); } |