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MMard1
Beginner
1,702 Views

No HDMI on Joule 570x

Hi,

I have a BenQ GL2250HM monitor and when I first booted the Joule it had HDMI output. After running the steps from https://software.intel.com/en-us/xdk/docs/config-joule-iot-dev-board https://software.intel.com/en-us/xdk/docs/config-joule-iot-dev-board the output does not work anymore. I've tried several steps from this thread and still no luck. The only thing I haven't tried yet is to change the HDMI cable, but if it worked the first time my guess is a software/configuration problem.

The BIOS ID is GTPP1D1A.X64.0143.B30.1703201838

When the joule boots i see the following messages:

[ 19.286744] i915 0000:00:02.0: [drm:broxton_ddi_phy_verify_state [i915]] DDI PHY state mismatch

[ 19.332102] i915 0000:00:02.0: [drm:broxton_ddi_phy_verify_state [i915]] DDI PHY state mismatch

[ 19.378112] i915 0000:00:02.0: [drm:broxton_ddi_phy_verify_state [i915]] DDI PHY state mismatch

[ 19.390869] i915 0000:00:02.0: [drm:broxton_ddi_phy_verify_state [i915]] DDI PHY state mismatch

[ 19.491032] i915 0000:00:02.0: [drm:broxton_ddi_phy_verify_state [i915]] DDI PHY state mismatch

root@intel-corei7-64:~# uname -a

Linux intel-corei7-64 4.4.15-yocto-standard # 1 SMP PREEMPT Fri Aug 12 22:04:24 UTC 2016 x86_64 GNU/Linux

Also tried with no luck:

root@intel-corei7-64:~# export DISPLAY=:0.0

root@intel-corei7-64:~#

root@intel-corei7-64:~#

root@intel-corei7-64:~# xrandr -q

Can't open display :0.0

The monitor and cable are tested on my PC and they work. Any help is appreciated.

Regards,

Madalin

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14 Replies
idata
Community Manager
83 Views

Hello Madalin,

 

 

Thanks for reaching out!

 

 

I noticed that you are not on the latest image, if you use the uname -a command on the latest image, you should see the message:

 

 

Linux intel-5xx-64 4.4.41-yocto-standard # 1 SMP PREEMPT Mon Mar 20 16:49:29 EET 2017 x86_64 GNU/Linux

 

 

I suggest you to follow this guide https://software.intel.com/en-us/intel-joule-getting-started to get and install the latest Ref-OS-IoT image. Then I suggest you to follow the part of the guide found in https://software.intel.com/en-us/node/721489 in order to set up the HDMI output.

 

 

I hope this information helps you,

 

Pedro M.
MMard1
Beginner
83 Views

Hi Pedro,

Thanks for the tips. I've installed the Ref-OS-IoT image from here: https://download.01.org/ref-os-iot/releases/1702/5xx/ Index of /ref-os-iot/releases/1702/5xx . I've created a bootable USB and installed the image. Now uname -a shows:

root@intel-5xx-64:~# uname -a

Linux intel-5xx-64 4.4.41-yocto-standard # 1 SMP PREEMPT Tue Feb 21 19:20:12 EET 2017 x86_64 GNU/Linux

I've also tried again to use 'xrandr' and it shows something different, but still no output on the monitor:

root@intel-5xx-64:~# export DISPLAY=:0.0

root@intel-5xx-64:~#

root@intel-5xx-64:~# xrandr -q

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767

DP1 disconnected primary (normal left inverted right x axis y axis)

HDMI1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm

1920x1080 60.00*+ 50.00 59.94

1920x1080i 60.00 50.00 59.94

1680x1050 59.88

1600x900 60.00

1280x1024 75.02 60.02

1280x800 59.91

1152x864 75.00

1280x720 60.00 50.00 59.94

1440x576i 50.00

1024x768 75.08 60.00

832x624 74.55

800x600 75.00 60.32

720x576 50.00

720x576i 50.00

720x480 60.00 59.94

720x480i 60.00 59.94

640x480 75.00 60.00 59.94

720x400 70.08

HDMI2 disconnected (normal left inverted right x axis y axis)

VIRTUAL1 disconnected (normal left inverted right x axis y axis)

Also, when I first booted the Joule, the monitor displayed even the BIOS progress. Maybe the BIOS should be different ? I'm using the one from here: https://downloadmirror.intel.com/26206/eng/joule-firmware-2017-03-20-1d1-public.zip Current Release: 1D1

Regards,

Madalin

idata
Community Manager
83 Views

I find this very strange. I simply connected my Joule to my monitor and I was able to see the output of the board as you can see in the picture above:

Is it possible for you to test your Joule with a different monitor just to discard an issue with the monitor?

Pedro M.

idata
Community Manager
83 Views

Hello Madalin,

 

 

Do you have any updates about this?

 

 

Pedro M.
MMard1
Beginner
83 Views

Hello Pedro,

I've tried with several monitors and still no luck. I will try to change the HDMI cable.

I'll update you when I try with the new cable.

Madalin

idata
Community Manager
83 Views

Hello Madalin,

 

 

Thank you for letting us know. Please do keep us updated.

 

 

Pedro M.
MMard1
Beginner
83 Views

Hello Pedro,

I've bought 2 more hdmi to micro hdmi cables, different brands. One of them worked and the other did not. Before this I was using an hdmi-micro hdmi adapter (not cable) and maybe it broke.

Regards,

Madalin

idata
Community Manager
83 Views

Hello Madalin,

 

 

Thank you for letting us know!

 

 

I'm glad that you are finally able to have HDMI output on your Joule. If you ever have any other doubts, questions or issues with your Joule, please don't hesitate to come back to the community. We'll try to help you in any way we can.

 

 

Pedro M.
JLamo
Beginner
83 Views

Hello everyone,

I'm having the same issue.

I think the problem might be my micro-HDMI to HDMI cable.

I will by another cable.

Can someone tell me some references of working cables on the Intel Joule?

Thanks.

Jerome.

idata
Community Manager
83 Views

Hi, Jerome

 

 

A standard mini-HDMI to HDMI cable should work.

 

 

Regards,

 

Alexandra

 

JLamo
Beginner
83 Views

Hi Alexandra,

I make reference to a previous message in this thread :

 

"I've bought 2 more hdmi to micro hdmi cables, different brands. One of them worked and the other did not."

I currently have a Molex 68786-0001.

 

 

 

Regards,

 

Jérôme.
idata
Community Manager
83 Views

Hi, Jerome

 

 

As I said, any cable should work, therefore we cannot provide a list of compatible cables.

 

You should check first if the cable is broken and then try another cable.

 

Let me know if it works

 

 

Regards,

 

Alexandra
aszla
Beginner
83 Views

I am having the same issue. I have tried several micro-hdmi to hdmi cables, and several monitors, but no joy. output of xrandr (viewed through serial connection) is the same as OP:

When I connect via serial cable I get the same sort of output as op:

root@intel-5xx-64:~# export DISPLAY=:0.0

root@intel-5xx-64:~# xrandr -q

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767

DP1 disconnected primary (normal left inverted right x axis y axis)

HDMI1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm

...

Not sure how to proceed at this point, as I have purchased several of the cables?

thanks for any help.

idata
Community Manager
83 Views

Hello Aszlam,

 

 

Please try the following solutions:

 

 

1. Plugging in the monitor AFTER booting

 

2. Plugging/unplugging after booting

 

3. Running the HDMI cable through an HDMI amp or powered splitter

 

4. If using an HDMI monitor powered off USB, use a powered USB hub connected to the Joule rather than a separate power supply (there can be a problem with grounds not being consistent if an external power adapter is used; I don't know if this is the problem here, but I've seen it before with portable USB-powered monitors).

 

 

Hope this helps.

 

 

Regards,

 

Octavian
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