On Wed, Dec 8, 2021 at 3:17 PM Philip Yang <Philip.Yang@xxxxxxx> wrote: > > Remove not unique timestamp WARNING as same timestamp interrupt happens > on some chips, > > Drain fault need to wait for the processed_timestamp to be truly greater > than the checkpoint or the ring to be empty to be sure no stale faults > are handled. > > Signed-off-by: Philip Yang <Philip.Yang@xxxxxxx> Maybe add the link to the bug when you push this? Alex > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 4 ++-- > drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 3 --- > 2 files changed, 2 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c > index 8050f7ba93ad..3df146579ad9 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c > @@ -188,8 +188,8 @@ int amdgpu_ih_wait_on_checkpoint_process_ts(struct amdgpu_device *adev, > checkpoint_ts = amdgpu_ih_decode_iv_ts(adev, ih, checkpoint_wptr, -1); > > return wait_event_interruptible_timeout(ih->wait_process, > - !amdgpu_ih_ts_after(ih->processed_timestamp, checkpoint_ts), > - timeout); > + amdgpu_ih_ts_after(checkpoint_ts, ih->processed_timestamp) || > + ih->rptr == amdgpu_ih_get_wptr(adev, ih), timeout); > } > > /** > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c > index e031f0cf93a2..571b11117992 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c > @@ -522,9 +522,6 @@ void amdgpu_irq_dispatch(struct amdgpu_device *adev, > if (!handled) > amdgpu_amdkfd_interrupt(adev, entry.iv_entry); > > - dev_WARN_ONCE(adev->dev, ih->processed_timestamp == entry.timestamp, > - "IH timestamps are not unique"); > - > if (amdgpu_ih_ts_after(ih->processed_timestamp, entry.timestamp)) > ih->processed_timestamp = entry.timestamp; > } > -- > 2.17.1 >
