[PATCH 1/5] drm/amdgpu:cleanup force_completion

[Monk Liu]

cleanups, now only operate on the given ring

Change-Id: I42ee081696ac348660d38be68807f34090ffcce2
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |  6 +++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c  | 29 +++++++----------------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h   |  3 +--
 3 files changed, 11 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 99acf29..dae1e5b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2871,7 +2871,7 @@ int amdgpu_sriov_gpu_reset(struct amdgpu_device *adev, struct amdgpu_job *job)
 		amd_sched_hw_job_reset(&ring->sched);
 
 		/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
-		amdgpu_fence_driver_force_completion_ring(ring);
+		amdgpu_fence_driver_force_completion(ring);
 	}
 
 	/* request to take full control of GPU before re-initialization  */
@@ -2990,9 +2990,9 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
 			continue;
 		kthread_park(ring->sched.thread);
 		amd_sched_hw_job_reset(&ring->sched);
+		/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
+		amdgpu_fence_driver_force_completion(ring);
 	}
-	/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
-	amdgpu_fence_driver_force_completion(adev);
 
 	need_full_reset = amdgpu_need_full_reset(adev);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index fb9f88ef..2167dac 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -499,7 +499,7 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev)
 		r = amdgpu_fence_wait_empty(ring);
 		if (r) {
 			/* no need to trigger GPU reset as we are unloading */
-			amdgpu_fence_driver_force_completion(adev);
+			amdgpu_fence_driver_force_completion(ring);
 		}
 		amdgpu_irq_put(adev, ring->fence_drv.irq_src,
 			       ring->fence_drv.irq_type);
@@ -534,7 +534,7 @@ void amdgpu_fence_driver_suspend(struct amdgpu_device *adev)
 		r = amdgpu_fence_wait_empty(ring);
 		if (r) {
 			/* delay GPU reset to resume */
-			amdgpu_fence_driver_force_completion(adev);
+			amdgpu_fence_driver_force_completion(ring);
 		}
 
 		/* disable the interrupt */
@@ -571,30 +571,15 @@ void amdgpu_fence_driver_resume(struct amdgpu_device *adev)
 }
 
 /**
- * amdgpu_fence_driver_force_completion - force all fence waiter to complete
+ * amdgpu_fence_driver_force_completion - force signal latest fence of ring
  *
- * @adev: amdgpu device pointer
+ * @ring: fence of the ring to signal
  *
- * In case of GPU reset failure make sure no process keep waiting on fence
- * that will never complete.
  */
-void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev)
+void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring)
 {
-	int i;
-
-	for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
-		struct amdgpu_ring *ring = adev->rings[i];
-		if (!ring || !ring->fence_drv.initialized)
-			continue;
-
-		amdgpu_fence_write(ring, ring->fence_drv.sync_seq);
-	}
-}
-
-void amdgpu_fence_driver_force_completion_ring(struct amdgpu_ring *ring)
-{
-	if (ring)
-		amdgpu_fence_write(ring, ring->fence_drv.sync_seq);
+	amdgpu_fence_write(ring, ring->fence_drv.sync_seq);
+	amdgpu_fence_process(ring);
 }
 
 /*
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index b18c2b9..a6b89e3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -79,8 +79,7 @@ struct amdgpu_fence_driver {
 
 int amdgpu_fence_driver_init(struct amdgpu_device *adev);
 void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
-void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
-void amdgpu_fence_driver_force_completion_ring(struct amdgpu_ring *ring);
+void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring);
 
 int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
 				  unsigned num_hw_submission);
-- 
2.7.4