[Intel-gfx] Second HDMI port not visible

Daniel Vetter daniel at ffwll.ch
Wed Aug 7 09:41:39 CEST 2013


On Wed, Aug 7, 2013 at 5:10 AM, Matsumura, Ryan
<ryan.matsumura at intel.com> wrote:
> I have a BayTrail board with two HDMI ports and running the default Tizen 3.0M1 release.  The first HDMI shows up just fine but I can't get the second screen to display anything.  I tried enabling the second screen through the kernel command line parameters (video=HDMI-1:e video=HDMI-2:e) and running xrandr.  This is my output from xrandr -q

Iirc Baytrail still has a bunch of hardcoded ports ... Jesse?
-Daniel

>
> Screen 0: minimum 320 x 200, current 640 x 480, maximum 8192 x 8192
> VGA1 connected 640x480+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
>    1024x768       60.0
>    800x600        60.3     56.2
>    848x480        60.0
>    640x480        59.9*
> HDMI1 connected 640x480+0+0 (normal left inverted right x axis y axis) 256mm x 144mm
>    1920x1080      60.0 +   60.0     50.0     59.9     40.0
>    1920x1080i     60.1     50.0     60.0
>    1280x720       60.0     50.0     59.9
>    1440x576i      50.1
>    1440x480i      60.1     60.1
>    720x576        50.0
>    720x480        60.0     59.9
>    640x480        60.0     59.9*
> DP1 disconnected (normal left inverted right x axis y axis)
>
> Is there some other configuration I need?  I tried this on both X and Wayland.  Seems more like a DRM issue at this point.
>
> -Ryan
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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