HDMI output on Gigabyte BRiX i7-5500

HDMI output on Gigabyte BRiX i7-5500

[Chris Lovett]

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It has Intel HD 5500 graphics, the mini display port works, but the larger
HDMI output port produces nothing.  I know my HDMI cable and monitor are
good because my Raspberry Pi has no problem showing up on it.

The /var/log/Xorg.0.log shows that it has discovered this:
- Integrated Graphics Chipset: Intel(R) HD Graphics 5500

and it has loaded these drivers:
[     3.805] (II) intel: Driver for Intel(R) HD Graphics: 2000-6000
[     3.805] (II) intel: Driver for Intel(R) Iris(TM) Graphics: 5100, 6100
[     3.805] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics: 5200,
6200, P6300

It appears to be enabling HDMI output on both ports:

[     3.807] (II) intel(0): Output HDMI1 has no monitor section
[     3.807] (II) intel(0): Enabled output HDMI1
[     3.807] (II) intel(0): Output DP1 has no monitor section
[     3.807] (II) intel(0): Enabled output DP1
[     3.807] (II) intel(0): Output HDMI2 has no monitor section
[     3.807] (II) intel(0): Enabled output HDMI2
[     3.807] (--) intel(0): Using a maximum size of 256x256 for hardware
cursors
[     3.807] (II) intel(0): Output VIRTUAL1 has no monitor section
[     3.807] (II) intel(0): Enabled output VIRTUAL1
[     3.807] (--) intel(0): Output HDMI1 using initial mode 1920x1080 on
pipe 0

Then I see a bunch of these in the log:

[   827.360] (II) intel(0): EDID vendor "DEL", prod id 16516
[   827.360] (II) intel(0): Using hsync ranges from config file
[   827.360] (II) intel(0): Using vrefresh ranges from config file
[   827.360] (II) intel(0): Printing DDC gathered Modelines:
[   827.360] (II) intel(0): Modeline "1920x1080"x0.0  148.50  1920 2008
2052 2200  1080 1084 1089 1125 +hsync +vsync (67.5 kHz eP)
[   827.360] (II) intel(0): Modeline "1920x1080i"x0.0   74.25  1920 2008
2052 2200  1080 1084 1094 1125 interlace +hsync +vsync (33.8 kHz e)
[   827.360] (II) intel(0): Modeline "1280x720"x0.0   74.25  1280 1390 1430
1650  720 725 730 750 +hsync +vsync (45.0 kHz e)
[   827.360] (II) intel(0): Modeline "720x480"x0.0   27.00  720 736 798
858  480 489 495 525 -hsync -vsync (31.5 kHz e)
[   827.360] (II) intel(0): Modeline "800x600"x0.0   40.00  800 840 968
1056  600 601 605 628 +hsync +vsync (37.9 kHz e)
[   827.360] (II) intel(0): Modeline "640x480"x0.0   31.50  640 656 720
840  480 481 484 500 -hsync -vsync (37.5 kHz e)
[   827.360] (II) intel(0): Modeline "640x480"x0.0   25.18  640 656 752
800  480 490 492 525 -hsync -vsync (31.5 kHz e)
[   827.360] (II) intel(0): Modeline "720x400"x0.0   28.32  720 738 846
900  400 412 414 449 -hsync +vsync (31.5 kHz e)
[   827.360] (II) intel(0): Modeline "1280x1024"x0.0  135.00  1280 1296
1440 1688  1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
[   827.360] (II) intel(0): Modeline "1024x768"x0.0   78.75  1024 1040 1136
1312  768 769 772 800 +hsync +vsync (60.0 kHz e)
[   827.360] (II) intel(0): Modeline "1024x768"x0.0   65.00  1024 1048 1184
1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[   827.360] (II) intel(0): Modeline "800x600"x0.0   49.50  800 816 896
1056  600 601 604 625 +hsync +vsync (46.9 kHz e)
[   827.360] (II) intel(0): Modeline "1152x864"x0.0  108.00  1152 1216 1344
1600  864 865 868 900 +hsync +vsync (67.5 kHz e)
[   827.360] (II) intel(0): Modeline "1280x1024"x0.0  108.00  1280 1328
1440 1688  1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[   827.360] (II) intel(0): Modeline "1600x900"x60.0  119.00  1600 1696
1864 2128  900 901 904 932 -hsync +vsync (55.9 kHz e)
[   827.360] (II) intel(0): Modeline "1920x1080"x60.0  172.80  1920 2040
2248 2576  1080 1081 1084 1118 -hsync +vsync (67.1 kHz e)
[   827.360] (II) intel(0): Modeline "720x576"x0.0   27.00  720 732 796
864  576 581 586 625 -hsync -vsync (31.2 kHz e)
[   827.360] (II) intel(0): Modeline "1440x480i"x0.0   27.00  1440 1478
1602 1716  480 488 494 525 interlace -hsync -vsync (15.7 kHz e)
[   827.360] (II) intel(0): Modeline "1440x240"x0.0   27.00  1440 1478 1602
1716  240 244 247 262 -hsync -vsync (15.7 kHz e)
[   827.360] (II) intel(0): Modeline "1440x288"x0.0   27.00  1440 1464 1590
1728  288 290 293 312 -hsync -vsync (15.6 kHz e)
[   827.360] (II) intel(0): Modeline "1280x720"x0.0   74.25  1280 1720 1760
1980  720 725 730 750 +hsync +vsync (37.5 kHz e)
[   827.360] (II) intel(0): Modeline "1440x576i"x0.0   27.00  1440 1464
1590 1728  576 580 586 625 interlace -hsync -vsync (15.6 kHz e)
[   827.361] (II) intel(0): Modeline "1920x1080i"x0.0   74.25  1920 2448
2492 2640  1080 1084 1094 1125 interlace +hsync +vsync (28.1 kHz e)
[   827.361] (II) intel(0): Modeline "1920x1080"x0.0   74.25  1920 2558
2602 2750  1080 1084 1089 1125 +hsync +vsync (27.0 kHz e)

In fact it seems to go on forever, like it is still searching for a
matching configuration perhaps ?

Any ideas on how I can fix this and get something to display over HDMI ?

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Re: HDMI output on Gigabyte BRiX i7-5500

[Jani Nikula]

On Mon, 21 Nov 2016, Chris Lovett <aussiemsft@gmail.com> wrote:
> It has Intel HD 5500 graphics, the mini display port works, but the larger
> HDMI output port produces nothing.  I know my HDMI cable and monitor are
> good because my Raspberry Pi has no problem showing up on it.

Please file a bug at [1], add drm.debug=14 module parameter, attach
dmesg from boot to reproducing the problem.

BR,
Jani.


[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel

-- 
Jani Nikula, Intel Open Source Technology Center
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