[PATCH 14/33] drm/amdgpu/sdma5: 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/sdma_v5_0.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
index 5f4c6a99b06dc..64210c5a7fba5 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
@@ -1535,14 +1535,25 @@ static int sdma_v5_0_reset_queue(struct amdgpu_ring *ring,
 				 struct amdgpu_fence *timedout_fence)
 {
 	struct amdgpu_device *adev = ring->adev;
-	u32 inst_id = ring->me;
 	int r;
 
+	if (amdgpu_sriov_vf(adev))
+		return -EINVAL;
+
+	if (ring->me >= adev->sdma.num_instances) {
+		DRM_ERROR("sdma instance not found\n");
+		return -EINVAL;
+	}
+
+	amdgpu_ring_reset_helper_begin(ring, timedout_fence);
+
 	amdgpu_amdkfd_suspend(adev, true);
-	r = amdgpu_sdma_reset_engine(adev, inst_id, false);
+	r = amdgpu_sdma_reset_engine(adev, ring->me, true);
 	amdgpu_amdkfd_resume(adev, true);
+	if (r)
+		return r;
 
-	return r;
+	return amdgpu_ring_reset_helper_end(ring, timedout_fence);
 }
 
 static int sdma_v5_0_stop_queue(struct amdgpu_ring *ring)
-- 
2.50.0