Commit e0d8f3c3 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add sched isr to fence process 



Signed-off-by: default avatarChunming Zhou <david1.zhou@amd.com>
Reviewed-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
parent d5fc5e82

drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c

+17 −1
Original line number Diff line number Diff line
@@ -346,9 +346,25 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) 
		}

	} while (atomic64_xchg(&ring->fence_drv.last_seq, seq) > seq);



	if (wake)

	if (wake) {

		if (amdgpu_enable_scheduler) {

			uint64_t handled_seq =

				amd_sched_get_handled_seq(ring->scheduler);

			uint64_t latest_seq =

				atomic64_read(&ring->fence_drv.last_seq);

			if (handled_seq == latest_seq) {

				DRM_ERROR("ring %d, EOP without seq update (lastest_seq=%llu)\n",

					  ring->idx, latest_seq);

				return;

			}

			do {

				amd_sched_isr(ring->scheduler);

			} while (amd_sched_get_handled_seq(ring->scheduler) < latest_seq);

		}



		wake_up_all(&ring->adev->fence_queue);

	}

}



/**

 * amdgpu_fence_seq_signaled - check if a fence sequence number has signaled