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Linux: BeagleBone Black Wireless trouble with porting SGX530 drivers

Tool/software: Linux

Hello, everyone!

I need some help with my Bone Black Wireless.

I have ported sgx530 drivers on mainline linux kernel 4.14.49-ti-r54 with next steps:

1) download and install ti-processor-sdk-linux-am335x-evm-05.00.00.15 in ~/

2) cd ti-processor-sdk-linux-am335x-evm-05.00.00.15/board-support/extra-drivers/ti-sgx-ddk-km-1.14.3699939/eurasia_km/eurasiacon/build/linux2/omap_linux/

3) export PATH=$PATH:/home/user/gcc-linaro-7.3.1-2018.05-x86_64_arm-linux-gnueabihf/bin/

4) export KERNELDIR=/home/user/kernel/ti-linux-kernel-dev/KERNEL/

5) export CROSS_COMPILE=arm-linux-gnueabihf-

6) export ARCH=arm

7) export TARGET_PRODUCT=ti335x

8) make BUILD=release

Well, compilation finished even without an error.

Then I copied pvrsrvkm.ko on my BeagleBoard  to folder /lib/modules/4.14.49-ti-r54/

After this I did next things:

1) turned on the board

2) after download lxqt, I tried in terminal 'depmod'

3) modinfo pvrsrvkm works and show me information about pvrsrvkm.ko

4) Well, next I typed pvrsrvctl --start, all is good, without an error

5) and then I started PVRPerfServerDeveloper

6) server see SGX530 driver, but then I on my host machine trying see through PVRTuneDeveloperGUI GPU loading, where is no GPU loading at all, only CPU curve, and on my BeagleBoard very low frame rate through glxgears (about 14-15 frame per 5 seconds).

My questions is what I do wrong,  and why on my beagleboard pvrsrvkm modules doesn't work  as it need??

In device tree dtb sgx is enabled, I checked it.

Many thanks for any help.