iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdgpu: add zero timeout check in amdgpu_fence_wait_seq_timeout

Browse Source 
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
This commit is contained in:
Jack Xiao 2015-06-04 12:18:27 +08:00 committed by Alex Deucher
parent ae45577324
commit 25f45e6338
1 changed files with 4 additions and 0 deletions

4
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 */