[PATCH 18/36] drm/amdgpu/sdma5.2: re-emit unprocessed state on ring reset

Alex Deucher alexander.deucher at amd.com
Mon Jul 7 19:03:37 UTC 2025


Re-emit the unprocessed state after resetting the queue.

Reviewed-by: Jesse Zhang <Jesse.Zhang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
index 908ed8b849376..3011808a6ae20 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
@@ -1467,11 +1467,15 @@ static int sdma_v5_2_reset_queue(struct amdgpu_ring *ring,
 		return -EINVAL;
 	}
 
+	amdgpu_ring_reset_helper_begin(ring, timedout_fence);
+
 	amdgpu_amdkfd_suspend(adev, true);
-	r = amdgpu_sdma_reset_engine(adev, ring->me, 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_2_stop_queue(struct amdgpu_ring *ring)
-- 
2.50.0



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