drm/amdgpu/mes: add userq reset helper

Implement a userq reset helper using the doorbell
index.

Reviewed-by: Jesse Zhang <jesse.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index e3972673fd64..34e040b7fb49 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;