After GPU reset amdgpu_vm_clear_bo triggers VM flush but job->vm_pd_addr is not set causing SDMA TO.
v2: Per advise by Christian König avoid flushing VM for jobs where job->vm_pd_addr wasn't explicitly set. Fixes cbd5285 drm/amdgpu: move setting the GART addr into TTM. Signed-off-by: Andrey Grodzovsky <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c index 34e54d4..755f733 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c @@ -73,6 +73,7 @@ int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs, amdgpu_sync_create(&(*job)->sync); amdgpu_sync_create(&(*job)->sched_sync); (*job)->vram_lost_counter = atomic_read(&adev->vram_lost_counter); + (*job)->vm_pd_addr = AMDGPU_BO_INVALID_OFFSET; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index f5a9600..30beb52 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -865,7 +865,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool need_ if (need_pipe_sync) amdgpu_ring_emit_pipeline_sync(ring); - if (vm_flush_needed) { + if (vm_flush_needed && job->vm_pd_addr != AMDGPU_BO_INVALID_OFFSET) { trace_amdgpu_vm_flush(ring, job->vmid, job->vm_pd_addr); amdgpu_ring_emit_vm_flush(ring, job->vmid, job->vm_pd_addr); } -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
