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diff --git a/userspace/sdks/nv570/inc/class/cl0092.h b/userspace/sdks/nv570/inc/class/cl0092.h
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+/*
+ * Copyright (c) 2020-2022, NVIDIA CORPORATION. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in 
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include <nvtypes.h>
+
+//
+// This file was generated with FINN, an NVIDIA coding tool.
+// Source file:      class/cl0092.finn
+//
+
+#include "class/cl0092_callback.h"
+
+/*
+ * This RgLineCallback class allows RM clients to register/unregister the RG line callback functions.
+ *
+ * Must be allocated with kernel access rights.
+ *
+ * Allocation params:
+ *
+ *   subDeviceInstance
+ *     This parameter specifies the subdevice instance within the NV04_DISPLAY_COMMON parent device to which the
+ *     operation should be directed.
+ *   head
+ *     This parameter specifies the head for which the callback is to be egistered/unregistered. This value must be
+ *     less than the maximum number of heads supported by the GPU subdevice.
+ *   rgLineNum
+ *     This indicates the RG scanout line number on which the callback will be executed.
+ *       1/ Client should set the proper RG line number based on mode in which the display head is running and
+ *          subsequent possible modeset that may affect the line number.
+ *       2/ Client is expected to clear/set the interrupts around modesets or power-transitions (like s3/hibernation).
+ *       3/ Client should make sure that this param does not exceed the raster settings.
+ *   pCallbkFn
+ *     Pointer to callback function. Cannot be NULL.
+ *   pCallbkParams
+ *     Pointer to the ctrl call param struct.
+ */
+
+#define NV0092_RG_LINE_CALLBACK (0x92U) /* finn: Evaluated from "NV0092_RG_LINE_CALLBACK_ALLOCATION_PARAMETERS_MESSAGE_ID" */
+
+#define NV0092_RG_LINE_CALLBACK_ALLOCATION_PARAMETERS_MESSAGE_ID (0x0092U)
+
+typedef struct NV0092_RG_LINE_CALLBACK_ALLOCATION_PARAMETERS {
+    NvU32 subDeviceInstance;
+    NvU32 head;
+    NvU32 rgLineNum;
+
+    NV_DECLARE_ALIGNED(NvP64 pCallbkFn, 8); /* A function pointer of NV0092_REGISTER_RG_LINE_CALLBACK_FN */
+
+    NV_DECLARE_ALIGNED(NvP64 pCallbkParams, 8); /* The param1 in NV0092_REGISTER_RG_LINE_CALLBACK_FN */
+} NV0092_RG_LINE_CALLBACK_ALLOCATION_PARAMETERS;
+