[PATCH 14/30] drm/amdgpu/sdma7: re-emit unprocessed state on ring reset

Alex Deucher alexander.deucher at amd.com
Wed Jun 25 21:06:22 UTC 2025


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_v7_0.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
index 99a080bad2a3d..64322a836ebbe 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
@@ -807,33 +807,27 @@ static int sdma_v7_0_reset_queue(struct amdgpu_ring *ring,
 				 struct amdgpu_fence *timedout_fence)
 {
 	struct amdgpu_device *adev = ring->adev;
-	int i, r;
+	int r;
 
 	if (amdgpu_sriov_vf(adev))
 		return -EINVAL;
 
-	for (i = 0; i < adev->sdma.num_instances; i++) {
-		if (ring == &adev->sdma.instance[i].ring)
-			break;
-	}
-
-	if (i == adev->sdma.num_instances) {
+	if (ring->me >= adev->sdma.num_instances) {
 		DRM_ERROR("sdma instance not found\n");
 		return -EINVAL;
 	}
 
-	drm_sched_wqueue_stop(&ring->sched);
+	amdgpu_ring_reset_helper_begin(ring, timedout_fence);
 
 	r = amdgpu_mes_reset_legacy_queue(adev, ring, vmid, true);
 	if (r)
 		return r;
 
-	r = sdma_v7_0_gfx_resume_instance(adev, i, true);
+	r = sdma_v7_0_gfx_resume_instance(adev, ring->me, true);
 	if (r)
 		return r;
-	amdgpu_fence_driver_force_completion(ring);
-	drm_sched_wqueue_start(&ring->sched);
-	return 0;
+
+	return amdgpu_ring_reset_helper_end(ring, timedout_fence);
 }
 
 /**
-- 
2.50.0



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