drm/amdgpu:cleanup force_completion

cleanups, now only operate on the given ring

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 3573ecdb06ee..620e3002001d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2872,7 +2872,7 @@ 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  */
@@ -2991,9 +2991,9 @@ 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 2fa95aef74d5..219c15f79a5d 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 b18c2b96691f..a6b89e3932a5 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);