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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2019-02-05 01:46:35 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-02-14 01:50:32 +0300 |
| commit | e8e32426b1271d3387208c3a6eaf7c166bea9975 (patch) | |
| tree | 3b5e4047acc9f3f7e679472f000e448deeb9c6e5 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | 2c11ee6ae5533821cf2c64972d6cb5aa4ab4a46e (diff) | |
| download | linux-e8e32426b1271d3387208c3a6eaf7c166bea9975.tar.xz | |
drm/amdgpu: Add helper to wait for BO fences using a sync object
Creates a temporary sync object to wait for the BO reservation. This
generalizes amdgpu_vm_wait_pd.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index fd9c4beeaaa4..ec9e45004bff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1285,6 +1285,30 @@ void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence, } /** + * amdgpu_sync_wait_resv - Wait for BO reservation fences + * + * @bo: buffer object + * @owner: fence owner + * @intr: Whether the wait is interruptible + * + * Returns: + * 0 on success, errno otherwise. + */ +int amdgpu_bo_sync_wait(struct amdgpu_bo *bo, void *owner, bool intr) +{ + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); + struct amdgpu_sync sync; + int r; + + amdgpu_sync_create(&sync); + amdgpu_sync_resv(adev, &sync, bo->tbo.resv, owner, false); + r = amdgpu_sync_wait(&sync, intr); + amdgpu_sync_free(&sync); + + return r; +} + +/** * amdgpu_bo_gpu_offset - return GPU offset of bo * @bo: amdgpu object for which we query the offset * |