Installing SGX drivers - omaplfb & pvrsrvkm not loaded

[Jean-Sebastien Stoezel]

Hi:

I am running with 4.1.22-ti-rt-r59 and followed the instructions here http://elinux.org/BeagleBoardDebian#SGX_BeagleBone.2FBeagleBone_Black on how to install the SGX drivers.

All seems ok (no error while installing the GFX package) , until I got to check that the omaplfb and pvrsrvkm had loaded correctly.

root@beaglebone:~# lsmod | grep omaplfb

root@beaglebone:~# lsmod | grep omap

omap_rng                4350  0

rng_core                7433  1 omap_rng

spi_omap2_mcspi        10673  0

root@beaglebone:~# lsmod | grep pvrsrvkm

pvrsrvkm              378818  0

root@beaglebone:~#

It doesn't look like omaplfp is loaded.

What would be your suggestion to debug why omaplfp did not load?

Regards,

JS

[Jean-Sebastien Stoezel]

By the way I thought I would provide the following information as well:

root@beaglebone:~# sudo /etc/init.d/sgx-startup.sh start

sgx: Starting PVR

mknod: missing operand after '0'

Try 'mknod --help' for more information.

Regards,

JS

[Robert Nelson]

It's not loaded, as the version your linked to on the elinux is an
older SGX release.

Regards,

--
Robert Nelson
https://rcn-ee.com/

[Robert Nelson]

On Wed, Oct 12, 2016 at 4:26 PM, Jean-Sebastien Stoezel
<js.st...@gmail.com> wrote:
> By the way I thought I would provide the following information as well:
>
> root@beaglebone:~# sudo /etc/init.d/sgx-startup.sh start
> sgx: Starting PVR
> mknod: missing operand after '0'
> Try 'mknod --help' for more information.

You mixing sgx instructions..

We don't have either:

v4.1.x-ti
or
v4.4.x-ti

working..

Feel free to use the old "v4.1.x-bone" kernel with those
instructions.. it's fbdev mode only...

I had very specific link in the text at:

http://elinux.org/BeagleBoardDebian#SGX_BeagleBone.2FBeagleBone_Black

->

http://elinux.org/BeagleBoardDebian#Mainline_.28lts.29

Mainline (lts)

4.1.x BeagleBone/BeagleBone Black + SGX
--bone-kernel --lts

4.1.x BeagleBone/BeagleBone Black + RT + SGX
--bone-rt-kernel --lts

cd /opt/scripts/tools/
git pull
sudo ./update_kernel.sh <OPTIONS>

[Jean-Sebastien Stoezel]

Hi Robert:

Thank you for the quick reply. 

How should I remove the old version I installed on the BBB? And should the newer version I should get be am33x-rt-v4.8?

Regards,

JS

[Robert Nelson]

On Wed, Oct 12, 2016 at 4:33 PM, Jean-Sebastien Stoezel
<js.st...@gmail.com> wrote:
> Hi Robert:
>
> Thank you for the quick reply.
>
> How should I remove the old version I installed on the BBB? And should the
> newer version I should get be am33x-rt-v4.8?

Well, the "newest" version with any-kinda-working sgx is

am33x-v4.1

Just like those directions say..

[Jean-Sebastien Stoezel]

It looks like we crossed replies/emails.

I am unsure what you mean by:

"

http://elinux.org/BeagleBoardDebian#Mainline_.28lts.29 

Mainline (lts) 

4.1.x BeagleBone/BeagleBone Black + SGX 
--bone-kernel --lts 

4.1.x BeagleBone/BeagleBone Black + RT + SGX 
--bone-rt-kernel --lts 

cd /opt/scripts/tools/ 
git pull 
sudo ./update_kernel.sh <OPTIONS> "

At this time I am not sure you are implying that I need to update the kernel, or that I need to get a different version of SGX from git. "Install the "4.1.x" lts/bone kernel: http://elinux.org/BeagleBoardDebian#Mainline_.28lts.29". The kernel I am using is 4.1.22-ti-rt-r59.

Would it be possible for you to clarify whether or not I have the right kernel, and, if not, point me to a kernel that would allow me to install am33x-v4.1, since this is the only version that currently works?

Regards,

JS

[Robert Nelson]

On Wed, Oct 12, 2016 at 4:50 PM, Jean-Sebastien Stoezel
<js.st...@gmail.com> wrote:
> It looks like we crossed replies/emails.
>
> I am unsure what you mean by:
> "
> http://elinux.org/BeagleBoardDebian#Mainline_.28lts.29
>
> Mainline (lts)
>
> 4.1.x BeagleBone/BeagleBone Black + SGX
> --bone-kernel --lts
>
> 4.1.x BeagleBone/BeagleBone Black + RT + SGX
> --bone-rt-kernel --lts
>
> cd /opt/scripts/tools/
> git pull
> sudo ./update_kernel.sh <OPTIONS> "
>
> At this time I am not sure you are implying that I need to update the
> kernel, or that I need to get a different version of SGX from git. "Install
> the "4.1.x" lts/bone kernel:
> http://elinux.org/BeagleBoardDebian#Mainline_.28lts.29". The kernel I am
> using is 4.1.22-ti-rt-r59.
> Would it be possible for you to clarify whether or not I have the right
> kernel, and, if not, point me to a kernel that would allow me to install
> am33x-v4.1, since this is the only version that currently works?

Correct, you don't have the correct kernel..

cd /opt/scripts/tools/
git pull
sudo ./update_kernel.sh --bone-rt-kernel --lts

Will get you what you want..

[Jean-Sebastien Stoezel]

Hi Robert:

Thank you for a quick and detailed answer. This is greatly appreciated.
I will give this a try tonight.

Regards,
Jean-Sebastien

[Jean-Sebastien Stoezel]

Hi Robert:

I did upgrade to the latest -bone-rt kernel. 

I am not getting the error I used to have when trying to restart PVR, but suprisingly pvrsvrkm is not loaded

root@beaglebone:~# lsmod | grep omaplfb

root@beaglebone:~# sudo /etc/init.d/sgx-startup.sh start

sgx: Starting PVR

root@beaglebone:~# lsmod | grep omaplfb

root@beaglebone:~# lsmod | grep omapl

root@beaglebone:~# lsmod | grep omap

omap_sham              19380  0

omap_aes               13255  0

omap_rng                4338  0

rng_core                7209  1 omap_rng

snd_soc_omap            2565  1 snd_soc_davinci_mcasp

snd_soc_core          157683  3 snd_soc_davinci_mcasp,snd_soc_edma,snd_soc_omap

snd_pcm_dmaengine       5045  2 snd_soc_core,snd_soc_omap

snd_pcm                77695  4 snd_soc_davinci_mcasp,snd_soc_core,snd_soc_omap,snd_pcm_dmaengine

spi_omap2_mcspi        10456  0

root@beaglebone:~# lsmod | grep pvrsrvkm

root@beaglebone:~# sudo /etc/init.d/sgx-startup.sh restart

sgx: Restarting PVR

root@beaglebone:~# lsmod | grep pvr

Is there another way of checking whether omaplfb and pvrsrvkm are loaded?

Regards,

JS

[Jean-Sebastien Stoezel]

Hi Robert:

Would you have an additional suggestion on this issue? If not, where would you suggest I turn to to investigate this further?

Regards,

JS

[James S]

I know nothing about this but here's what I did tonight to get this going (its failed many times in the past for me!)

- Downloaded https://rcn-ee.com/rootfs/bb.org/testing/2016-10-09/lxqt-4gb/bone-debian-8.6-lxqt-4gb-armhf-2016-10-09-4gb.img.xz
- Burned a card, booted and grew the partition. Rebooted.
- Ran sudo ./update_kernel.sh --bone-rt-kernel --lts. Rebooted.

- Installed the correct Linux headers

Now, for the SGX I followed the instructions at http://elinux.org/BeagleBoardDebian#SGX_BeagleBone.2FBeagleBone_Black but they didn't work. I ended up with a '.bin' rather than a tar file, in a dl folder but there was no deploy folder. Anyway, I had done this a few months ago and saved the tar file from then. I installed that tar per the instructions.

Then I followed the instructions at https://groups.google.com/forum/?hl=en&fromgroups#!msg/beagleboard/sOhHuq_T6KQ/xDeaoWyeBgAJ;context-place=msg/beagleboard/D-lhg28O5m4/yqRTbZPFDQAJ, namely:-

sudo apt-get install ti-sgx-es8-modules-`uname -r`
sudo depmod -a `uname -r` 

sudo update-initramfs -uk `uname -rcode here...

Rebooted.

The result:

Last login: Fri Oct 14 19:27:03 2016 from 192.168.1.66

debian@beaglebone:~$ lsmod | grep omaplfb

omaplfb                12048  0

tilcdc                 28057  1 omaplfb

pvrsrvkm              147997  1 omaplfb

debian@beaglebone:~$ glxgears

26 frames in 5.0 seconds =  5.161 FPS

54 frames in 5.1 seconds = 10.644 FPS

54 frames in 5.0 seconds = 10.700 FPS

54 frames in 5.1 seconds = 10.670 FPS

54 frames in 5.0 seconds = 10.709 FPS

54 frames in 5.1 seconds = 10.670 FPS

54 frames in 5.0 seconds = 10.707 FPS

54 frames in 5.1 seconds = 10.670 FPS

54 frames in 5.0 seconds = 10.704 FPS

^C

debian@beaglebone:~$ uname -a

Linux beaglebone 4.1.34-bone-rt-r24 #1 PREEMPT RT Thu Oct 13 03:42:46 UTC 2016 armv7l GNU/Linux

debian@beaglebone:~$

I think this is a complete account, I hope it helps.

Regards,

James

[Jean-Sebastien Stoezel]

James:

Thanks for the detailed email, it is very much appreciated. I did have to install the correct Linux headers as well though I did not install the TI modules. I will give this a try tonight. 

Regards,

JS

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[Jean-Sebastien Stoezel]

James:

Thank you for the reply, your instructions worked! This is great.

Does installing the SGX driver also install the headers required for openGL development? I am trying to compile Qt directly on the BBB. So far I had been using Qt libraries I had cross compiled.

When compiling Qt on the BBB, I can't seem to find the gl2.h drivers which are related to openGL. I was hoping installing the SGX drivers would take care of this.

At this time I am not sure if the headers where actually installed and I just need to add an include to wherever they are (could not locate them on my system), or if further steps are required to install the headers.

Are you at all familiar with the issue, and would you be able to provide suggestions?

Regards,

JS

On Fri, Oct 14, 2016 at 3:15 PM, James S <s19...@gmail.com> wrote:

[Jean-Sebastien Stoezel]

A follow up, I was looking at the install directory, which is part of the instructions Robert had posted. The SGX package does include the library files but does not include the source. Or the headers. And so I am thinking that somehow I need to know exactly what version this SGX is, download the source and add the headers to the include path.

Somehow I got to print $SGX_REVISON and $BUILDTYPE and I get the following value: "0x10205" and "release9.x".

Where to get the source and header files for this SGX revision?

Regards,

JS

[Robert Nelson]

On Oct 16, 2016 1:35 PM, "Jean-Sebastien Stoezel" <js.st...@gmail.com> wrote:
>
> A follow up, I was looking at the install directory, which is part of the instructions Robert had posted. The SGX package does include the library files but does not include the source. Or the headers. And so I am thinking that somehow I need to know exactly what version this SGX is, download the source and add the headers to the include path.
>
> Somehow I got to print $SGX_REVISON and $BUILDTYPE and I get the following value: "0x10205" and "release9.x".
>
> Where to get the source and header files for this SGX revision?

Welcome to the sgx.. we get Linux header source which we used to build the kernel modules.

While everything else is a blob from ti.. which they got from imgtek...

Using the sgx is just a waste of time.

Regards,

[Jean-Sebastien Stoezel]

Hi Robert:

Thanks for the reply. Well your reply seems a bit discouraging.

Right now I've been using Qt (The legacy or orange final, GUI type before the advent of touch devices) to develop Qt applications on the BBB. It's been working great though now I'd like to use Qt with the Qt Quick way of developing applications using Qml.

It is my current understanding that this requires OpenGL and Es2, and I need to install SGX.

The only thing it seems I'm missing now are the headers, I guess don't even have to be the exact version of what's installed as long as the function prototypes match the libraries?

On a secondary remark, why is TI seemingly making it so hard for people to develop applications targeting their processors, using community tools? The easy answer is evidently to promote vendor tools, but in the end they still end up selling chips even though people don't buy the software tools.

The board I'm bringing up right now is a customized BBB with integrated LCD.

I was just thinking this morning while trying to get QT to compile that it would be so easy to switch to a different platform, including turnkey LCD controllers from FTDI, to bypass the OpenGL mess of the BBB.

Regards,

Jean-Sebastien

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[William Hermans]

On a secondary remark, why is TI seemingly making it so hard for people to develop applications targeting their processors, using community tools? The easy answer is evidently to promote vendor tools, but in the end they still end up selling chips even though people don't buy the software tools.

TI does promote CCS, but it's not particularly hard to develop applications on the beaglebone.  A matter of fact, it's just like with any Linux system, but with added peripherals to toy with, or use. You would need the same tools on an x86 Linux system to develop C/C++, GO, Nodejs( and much more ) applications. With perhaps some slightly different tool setup at the beginning.

With the SGX drivers however, it's been this way since the beginning. Well, it's actually slightly better now, but 4 years later . . . not by much.
 

The board I'm bringing up right now is a customized BBB with integrated LCD.
I was just thinking this morning while trying to get QT to compile that it would be so easy to switch to a different platform, including turnkey LCD controllers from FTDI, to bypass the OpenGL mess of the BBB.

So I'm curious as to why exactly you need Qt, then assuming you really do require Qt, why would you be required to use hardware acceleration. It's been a long time since I've written anything using Qt, but it's my understanding that Qt is just a set of API's that lend its self to developing desktop applications(forms drop downs, buttons, etc ). There should not be any hardware requirements period. Unless it's changed that much in the last 3-4 years.

Anyway, the beaglebone's strong suite has never been it's graphics. It's strong points have been the large amount of peripherals it has access to out of the box. Including, but not limited to PRU's, ADC, PWMs, quadrature encoders, eCAP modules, SPI, I2C, UART CANBus . . .

Plus a truly open source model, for hardware, and software.

 

[Robert Nelson]

On Sun, Oct 16, 2016 at 3:24 PM, Jean-Sebastien Stoezel
<js.st...@gmail.com> wrote:
> Hi Robert:
>
> Thanks for the reply. Well your reply seems a bit discouraging.
> Right now I've been using Qt (The legacy or orange final, GUI type before
> the advent of touch devices) to develop Qt applications on the BBB. It's
> been working great though now I'd like to use Qt with the Qt Quick way of
> developing applications using Qml.
> It is my current understanding that this requires OpenGL and Es2, and I need
> to install SGX.

Well, the sgx 530 doesn't support "OpenGL" just OpenGL ES1/ES2..

> The only thing it seems I'm missing now are the headers, I guess don't even
> have to be the exact version of what's installed as long as the function
> prototypes match the libraries?
>
> On a secondary remark, why is TI seemingly making it so hard for people to
> develop applications targeting their processors, using community tools? The
> easy answer is evidently to promote vendor tools, but in the end they still
> end up selling chips even though people don't buy the software tools.
> The board I'm bringing up right now is a customized BBB with integrated LCD.
> I was just thinking this morning while trying to get QT to compile that it
> would be so easy to switch to a different platform, including turnkey LCD
> controllers from FTDI, to bypass the OpenGL mess of the BBB.

Remember, SGX is from Imgtek, they are the one's who hamstrung TI,
(and every other Silicon Vendor) who's mistakenly licensed their
Graphics Core. At-least TI haven't wasted $ upgrading their core, as
they still use the same-ish SGX 530 that's been used in
dm3730/omap3's.. (droid one era phones)..

https://en.wikipedia.org/wiki/PowerVR#Series5

Just OpenGL ES 2.0

[Fran H. Sena]

Hi Robert.

I have the same problem with the drivers.

There is no way to boot with instructions on the wiki beaglebonedebian - sgx.

I tested with different kernel 4.1 and headers, and when I run the test to see if you boot the pvr module, gives no signal at the terminal.

There is a correct guide for installing the graphics driver for BEAGLEBONE black ?.

Can someone put the steps please. It would be a great help.

Thank you

[Jean-Sebastien Stoezel]

On Sun, Oct 16, 2016 at 4:16 PM, William Hermans <yyr...@gmail.com> wrote:

So I'm curious as to why exactly you need Qt, then assuming you really do require Qt, why would you be required to use hardware acceleration. It's been a long time since I've written anything using Qt, but it's my understanding that Qt is just a set of API's that lend its self to developing desktop applications(forms drop downs, buttons, etc ). There should not be any hardware requirements period. Unless it's changed that much in the last 3-4 years.

It seems to be this way, QTQuick requires openGL.

Regards,

JS

[Robert Nelson]

On Mon, Oct 17, 2016 at 3:04 PM, Fran H. Sena <fher...@gmail.com> wrote:
> Hi Robert.
>
> I have the same problem with the drivers.
>
> There is no way to boot with instructions on the wiki beaglebonedebian -
> sgx.
>
> I tested with different kernel 4.1 and headers, and when I run the test to
> see if you boot the pvr module, gives no signal at the terminal.
>
> There is a correct guide for installing the graphics driver for BEAGLEBONE
> black ?.
>
> Can someone put the steps please. It would be a great help.

With Matteo's help we got something working now..

It required a module build change, so i've tagged a new release and
pushed it to the build farm:

http://rcn-ee.homeip.net:81/farm/deb/

It (4.4.24-ti-r56) should start building the next few hours.. Since
the sgx module finally loads into the kernel correctly, i'll also
package up the sgx lib's..

The current sgx lib install directions are:

#one line:
git clone -b ti-img-sgx/1.14.3699939
git://git.ti.com/graphics/omap5-sgx-ddk-um-linux.git --depth=1

cd omap5-sgx-ddk-um-linux/

sudo su
export DISCIMAGE=/
export TARGET_PRODUCT=ti335x
make install
exit

#fix: libgbm.so.2 (one line:)
sudo ln -s /usr/lib/arm-linux-gnueabihf/libgbm.so.1
/usr/lib/arm-linux-gnueabihf/libgbm.so.2

sudo modprobe pvrsrvkm
sudo /usr/bin/pvrsrvctl --start --no-module

[Fran H. Sena]

Thanks Robert, I will perform the test.

[Sergey Alikin]

Hi, guys.

I also spent many time to force work bbb + QtQuick + sgx.

So my results:

Under 4.4.x kernels I can't launch it.

But I started sgx on next combination: 3.18.5-bone1 kernel + ubuntu14 (I think Debian is suitable too) and instructions from here: http://elinux.org/BeagleBoardDebian#SGX_Drivers

I replaced 4.xxx kernel to 3.18 and it works.

About headers: default installer DO NOT install headers on target device. You should to put it manually. I did next:

1. On host machine install Graphics_SDK_setup...bin from bb-kernel/dl folder.

2. Copy to /usr/include on target device folder SDK_INSTALLED_FOLDER/include/OGLES2

Then you can build Qt5.7 with QML for BBB.

But, guys, it was a real pain...(( Rapberry PI 3 much more suitable for GUI that BBB.

I warn you)

Hope this post help to somebody.

четверг, 13 октября 2016 г., 2:20:06 UTC+5 пользователь Jean-Sebastien Stoezel написал:

[Fran H. Sena]

Sergey, can you upload an image with the sgx running?

It would be fantastic and a great help.

Thanks

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[Sergey Alikin]

Hi, Fran.

I'm not at home. I will upload image in 3 days.

Also I want to check this kernel for hdmi 1920x1080@24 resolution ability. I started this resolution with 3.8.x kernel many times ago and can't repeat this under 4.x kernel. I hope to have "ideal" GUI kernel for BBB: with SGX (done) and with 1920x1080 resolution.

Good bye.

четверг, 13 октября 2016 г., 2:20:06 UTC+5 пользователь Jean-Sebastien Stoezel написал:

Hi:

[Fran H. Sena]

Fantastic Sergey, you are a formidable person and a great help to the beaglebone black community.

The truth is that it has always been a disaster the controllers of the bbb. And they have not given good support of the IT itself.

It costs to upload an image with the graphic drivers on the official website of the beaglebone.

I think by default they would have to be activated.

There are many people who could use beaglebone black for retro emulation or for other graphic tasks.

Definitely a great job Sergey. Thank you.

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[Sergey Alikin]

Hello. As I promised I'm posting link to my image: https://www.onlims.com/ewsh/bbb/bbb-qt-egl.img.tgz

Some details:

1. Based on Ubuntu 14 and Bone Linux kernel 3.18 from Robert Nelson (Robert, thanks for your great job).

2. User\pass are ubuntu\ubuntu.

3. Default output is 4D Cape 7". You can configure it into /boo/uboot/uEnv.txt. Edit fdtfile=am335x-bone-4dcape-70t.dtb line. For example, you can set it to fdtfile=am335x-bone-4dcape-43t.dtb for supporting 4,3" touchscreen. HDMI is also support cape_enable... line in this file.

4. In home (/home/ubuntu) directory placed two files, which are examples from Qt5.7: "stocqt" and "filesystembrowser". You can start it without any additional parameters, like a: ./stocqt

5. vsftpd installed.
I will be glad to have some feedback.

Hope this image will useful.

понедельник, 21 ноября 2016 г., 21:46:10 UTC+5 пользователь Fran H. Sena написал:

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[Sergey Alikin]

Also I' planning to post article about building Qt5.x for bbb crosscompiling, but it will be a lot later (I hope at this weekend). 

[Sergey Alikin]

Also I fogot to mention that this image is for SD card, if you want to flash it into eMMC, you should to uncomment emmc-flasher line in /boot/uboot/uEnv.txt

среда, 23 ноября 2016 г., 21:34:57 UTC+5 пользователь Sergey Alikin написал:

[Fran H. Sena]

Thousands of thanks sergey, formidable.

A great job. As soon as I have time I test the image.

Thank you

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[Dario Guaman]

Hi Sergey, the image isn't available now, can you post a new link please

regards

[sal...@onlims.com]

Dario, hello.

Sorry, we did a small cleaning on server.

Right link is https://www.onlims.com/ewsh/Image/bbb/bbb-qt-egl.img.tgz

Good luck.

[Dario Guaman]

Thanks Sergey ..

The procedure for moving to the uSD is:

Unzip with 7zip and burn in  the uSD with win32diskimager?

regards

[sal...@onlims.com]

Sorry, I use Linux typically (dd utility).

But as I know win32diskimager is right tool for creating sd card.

[Gurpartap Singh]

Could you please post how to set up cross compile environment with quick and qml support.It will be very beneficial for all newbies who wants to work on your image.

Regards
Gurpartap Singh