[PATCH 28/29] drm/amdgpu/vcn4.0.5: re-emit unprocessed state on ring reset

[Alex Deucher]

Re-emit the unprocessed state after resetting the queue.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
index 93bc55756dcd6..2082336627d31 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c
@@ -1475,15 +1475,23 @@ static int vcn_v4_0_5_ring_reset(struct amdgpu_ring *ring,
 	if (!(adev->vcn.supported_reset & AMDGPU_RESET_TYPE_PER_QUEUE))
 		return -EOPNOTSUPP;
 
+	amdgpu_ring_backup_unprocessed_commands(ring, &job->hw_fence.base, true);
+
 	vcn_v4_0_5_stop(vinst);
 	vcn_v4_0_5_start(vinst);
-
-	r = amdgpu_ring_test_helper(ring);
+	r = amdgpu_ring_test_ring(ring);
 	if (r)
 		return r;
+
 	dma_fence_set_error(&job->base.s_fence->finished, -ETIME);
-	amdgpu_fence_driver_force_completion(ring);
+	/* signal the fence of the bad job */
+	amdgpu_fence_driver_guilty_force_completion(&job->hw_fence.base);
 	atomic_inc(&ring->adev->gpu_reset_counter);
+	r = amdgpu_ring_reemit_unprocessed_commands(ring);
+	if (r)
+		/* if we fail to reemit, force complete all fences */
+		amdgpu_fence_driver_force_completion(ring);
+
 	return 0;
 }
 
-- 
2.49.0