On 2021-04-29 3:15 a.m., Christian König wrote:
Filizing the fences? You mean finishing the fences, don't you? :)
Yes, my bad.
Andrey
Am 28.04.21 um 17:11 schrieb Andrey Grodzovsky:
No point calling amdgpu_fence_wait_empty before stopping the
SW scheduler otherwise there is always a chance another job sneaked
in after the wait.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 34d51e962799..fd9282637549 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -533,6 +533,12 @@ void amdgpu_fence_driver_fini_hw(struct
amdgpu_device *adev)
if (!ring || !ring->fence_drv.initialized)
continue;
+
+ /* Stop any new job submissions from sched before flushing
the ring */
+ /* TODO Handle amdgpu_job_submit_direct and
amdgpu_amdkfd_submit_ib */
+ if (!ring->no_scheduler)
+ drm_sched_fini(&ring->sched);
+
r = amdgpu_fence_wait_empty(ring);
if (r) {
/* no need to trigger GPU reset as we are unloading */
@@ -541,8 +547,7 @@ void amdgpu_fence_driver_fini_hw(struct
amdgpu_device *adev)
if (ring->fence_drv.irq_src)
amdgpu_irq_put(adev, ring->fence_drv.irq_src,
ring->fence_drv.irq_type);
- if (!ring->no_scheduler)
- drm_sched_fini(&ring->sched);
+
del_timer_sync(&ring->fence_drv.fallback_timer);
}
}
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