diff options
| author | Arvind Yadav <Arvind.Yadav@amd.com> | 2025-04-25 19:49:05 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-05-05 13:29:58 -0400 |
| commit | 3e50b1d625f25cfa6336823c7ffd5b30893b8ac7 (patch) | |
| tree | df0eb53acb6253655f7d88de1be05cfe6bcf74ee | |
| parent | 68071eb0ae64c076ed93897be644ebbd1c89a278 (diff) | |
drm/amdgpu: only keep most recent fence for each context
Keep only the latest fences to reduce the number of values
given back to userspace
v2: - Export this code from dma-fence-unwrap.c(by Christian).
v3: - To split this in a dma_buf patch and amd userq patch(by Sunil).
- No need to add a new function just re-use existing(by Christian).
v4: Export dma_fence_dedub_array function and used it(by Christian).
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Arvind Yadav <Arvind.Yadav@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c index 34200cd04f27..029cb24c28b3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c @@ -852,6 +852,12 @@ int amdgpu_userq_wait_ioctl(struct drm_device *dev, void *data, fences[num_fences++] = fence; } + /* + * Keep only the latest fences to reduce the number of values + * given back to userspace. + */ + num_fences = dma_fence_dedup_array(fences, num_fences); + waitq = idr_find(&userq_mgr->userq_idr, wait_info->waitq_id); if (!waitq) goto free_fences; |