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@amd.com --- 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); } }