[PATCH 27/27] drm/amdgpu/vcn5: re-emit unprocessed state on ring reset

[Alex Deucher]

Re-emit the unprocessed state after resetting the queue.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c 
b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
index 64f2b64da6258..01bf3bbe8cd93 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c
@@ -1203,14 +1203,22 @@ static int vcn_v5_0_0_ring_reset(struct amdgpu_ring 
*ring,
        if (!(adev->vcn.supported_reset & AMDGPU_RESET_TYPE_PER_QUEUE))
                return -EOPNOTSUPP;
 
+       amdgpu_ring_backup_unprocessed_commands(ring, guilty_fence);
+
        vcn_v5_0_0_stop(vinst);
        vcn_v5_0_0_start(vinst);
-
-       r = amdgpu_ring_test_helper(ring);
+       r = amdgpu_ring_test_ring(ring);
        if (r)
                return r;
-       amdgpu_fence_driver_force_completion(ring);
+
+       /* signal the fence of the bad job */
+       amdgpu_fence_driver_guilty_force_completion(guilty_fence);
        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