NvFBC patch not working on driver 470.63.01

Hello,

I tried to enable NvFBC for GTX 1050 with driver 470.63.01, but no success.

GPU model and driver:

[root@localhost ~]# lspci -d 10de:
00:08.0 VGA compatible controller: NVIDIA Corporation GP107 [GeForce GTX 1050] (rev a1)
[root@localhost ~]# nvidia-smi 
Mon Aug 30 15:42:52 2021       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 470.63.01    Driver Version: 470.63.01    CUDA Version: 11.4     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA GeForce ...  Off  | 00000000:00:08.0  On |                  N/A |
| 29%   31C    P8    N/A /  65W |     73MiB /  2000MiB |      0%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      2827      G   /usr/libexec/Xorg                  70MiB |
+-----------------------------------------------------------------------------+
[root@localhost ~]#

Apply NvFBC patch:

[root@localhost ~]# cd nvidia-patch/
[root@localhost nvidia-patch]# ./patch-fbc.sh 
Detected nvidia driver version: 470.63.01
Attention! Backup not found. Copying current libnvidia-fbc.so to backup.
b098578a8656207667f665c81780310c3985811c  /opt/nvidia/libnvidia-fbc-backup/libnvidia-fbc.so.470.63.01
9734e6bf0f73616c97a203b06cbe7d2a36a5fadc  /usr/lib64/libnvidia-fbc.so.470.63.01
Patched!

Run test (NvFBCHwEnc):

[root@localhost ~]# cd ~/Capture_Linux_v7.1.9/NvFBC/samples/NvFBCHwEnc
[root@KSVDI-VDI-0004 NvFBCHwEnc]# make
gcc -m64 -Wall -I../../inc -I../inc -c NvFBCHwEnc.c -o NvFBCHwEnc.o
gcc -m64 -Wall -I../../inc -I../inc -c ../common/NvFBCUtils.c -o NvFBCUtils.o
gcc -m64 NvFBCHwEnc.o NvFBCUtils.o -ldl -o NvFBCHwEnc
[root@localhost NvFBCHwEnc]# ./NvFBCHwEnc 
Application version: 4
NvFBC API version: 1.6

This hardware does not support NvFBC
[root@localhost NvFBCHwEnc]#

Run test (NvFBCCUDAAsync):

[root@localhost ~]# cd ~/Capture_Linux_v8.0.4/NvFBC/samples/NvFBCCUDAAsync
[root@localhost NvFBCCUDAAsync]# make
gcc -m64 -Wall -I../../inc -I../inc  -c NvFBCCUDAAsync.c -o NvFBCCUDAAsync.o
gcc -m64 -Wall -I../../inc -I../inc  -c ../common/NvFBCUtils.c -o NvFBCUtils.o
gcc -m64 NvFBCCUDAAsync.o NvFBCUtils.o -ldl -o NvFBCCUDAAsync
[root@localhost NvFBCCUDAAsync]# ./NvFBCCUDAAsync 
Application version: 4
NvFBC API version: 1.7

This hardware does not support NvFBC
[root@localhost NvFBCCUDAAsync]#