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| author | Jack Xiao <Jack.Xiao@amd.com> | 2015-06-04 12:18:27 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-06-05 10:59:25 -0400 |
| commit | 25f45e633892a45df2edbfd4a5dbbfc70e32487b (patch) | |
| tree | d93288a893d969ee1263146598ca331b2cfadf8e /drivers/gpu | |
| parent | ae45577324d1f749c907840247d443696ac3bc7a (diff) | |
| download | linux-25f45e633892a45df2edbfd4a5dbbfc70e32487b.tar.bz2 | |
drm/amdgpu: add zero timeout check in amdgpu_fence_wait_seq_timeout
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 9ce6023a4261..48ca637c5029 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -522,6 +522,10 @@ long amdgpu_fence_wait_seq_timeout(struct amdgpu_device *adev, u64 *target_seq, bool signaled; int i, r; + if (timeout == 0) { + return amdgpu_fence_any_seq_signaled(adev, target_seq); + } + while (!amdgpu_fence_any_seq_signaled(adev, target_seq)) { /* Save current sequence values, used to check for GPU lockups */ |