From f6a3f66063ca39e7ee5fcee59e889c5ec4de9dc0 Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky Date: Wed, 13 Jul 2022 12:57:50 -0400 Subject: drm/amdgpu: Get rid of amdgpu_job->external_hw_fence MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is a follow-up cleanup to [1]. See bellow refcount balancing for calling amdgpu_job_submit_direct after this cleanup as far as I calculated. amdgpu_fence_emit dma_fence_init 1 dma_fence_get(fence) 2 rcu_assign_pointer(*ptr, dma_fence_get(fence) 3 ---> amdgpu_job_submit_direct completes before fence signaled amdgpu_sa_bo_free (*sa_bo)->fence = dma_fence_get(fence) 4 amdgpu_job_free dma_fence_put 3 amdgpu_vcn_enc_get_destroy_msg *fence = dma_fence_get(f) 4 dma_fence_put(f); 3 amdgpu_vcn_enc_ring_test_ib dma_fence_put(fence) 2 amdgpu_fence_process dma_fence_put 1 amdgpu_sa_bo_remove_locked dma_fence_put 0 ---> amdgpu_job_submit_direct completes after fence signaled amdgpu_fence_process dma_fence_put 2 amdgpu_job_free dma_fence_put 1 amdgpu_vcn_enc_get_destroy_msg *fence = dma_fence_get(f) 2 dma_fence_put(f); 1 amdgpu_vcn_enc_ring_test_ib dma_fence_put(fence) 0 [1] - https://patchwork.kernel.org/project/dri-devel/cover/20220624180955.485440-1-andrey.grodzovsky@amd.com/ Signed-off-by: Andrey Grodzovsky Suggested-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_job.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h index d599c0540b46..babc0af751c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h @@ -50,7 +50,6 @@ struct amdgpu_job { struct amdgpu_sync sync; struct amdgpu_sync sched_sync; struct dma_fence hw_fence; - struct dma_fence *external_hw_fence; uint32_t preamble_status; uint32_t preemption_status; bool vm_needs_flush; -- cgit v1.2.3