From: Alex Deucher <[email protected]>

Implement a userq reset helper using the doorbell
index.

Signed-off-by: Alex Deucher <[email protected]>
Reviewed-by: Jesse Zhang <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 23 +++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h |  4 ++++
 2 files changed, 27 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index c9467b26e42c..00682bcf4019 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -439,6 +439,29 @@ int amdgpu_mes_reset_legacy_queue(struct amdgpu_device 
*adev,
        return r;
 }
 
+int amdgpu_mes_reset_user_queue(struct amdgpu_device *adev,
+                               int queue_type,
+                               unsigned int doorbell_index,
+                               unsigned int xcc_id)
+{
+       struct mes_reset_queue_input queue_input;
+       int r;
+
+       memset(&queue_input, 0, sizeof(queue_input));
+
+       queue_input.xcc_id = xcc_id;
+       queue_input.queue_type = queue_type;
+       queue_input.doorbell_offset = doorbell_index;
+
+       amdgpu_mes_lock(&adev->mes);
+       r = adev->mes.funcs->reset_hw_queue(&adev->mes, &queue_input);
+       amdgpu_mes_unlock(&adev->mes);
+       if (r)
+               dev_err(adev->dev, "failed to reset user queue\n");
+
+       return r;
+}
+
 int amdgpu_mes_get_hung_queue_db_array_size(struct amdgpu_device *adev)
 {
        return adev->mes.hung_queue_db_array_size;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
index 93990d4990f2..e0d4abfeb27b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
@@ -458,6 +458,10 @@ int amdgpu_mes_reset_legacy_queue(struct amdgpu_device 
*adev,
                                  unsigned int vmid,
                                  bool use_mmio,
                                  uint32_t xcc_id);
+int amdgpu_mes_reset_user_queue(struct amdgpu_device *adev,
+                               int queue_type,
+                               unsigned int doorbell_index,
+                               unsigned int xcc_id);
 
 int amdgpu_mes_get_hung_queue_db_array_size(struct amdgpu_device *adev);
 int amdgpu_mes_detect_and_reset_hung_queues(struct amdgpu_device *adev,
-- 
2.49.0

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