[Openchrome-users] issue on VIA EPIA EX10000EG using openchrome

Sat Nov 17 14:13:55 PST 2012

I have now git cloned from 
git://anongit.freedesktop.org/openchrome/xf86-video-openchrome and 
compiled / installed.
This version still does not see my TV being connected:

|...||
||[  3808.281] (II) CHROME(0): Output VGA-1 using monitor section Monitor0||
||[  3808.281] (II) CHROME(0): ViaVT162xDetect||
||[  3808.281] (II) CHROME(0): I2C device "I2C bus 2:VT162x" registered 
at address 0x40.||
||[  3808.282] (--) CHROME(0): Detected VIA Technologies VT1625 TV Encoder||
||[  3808.282] (II) CHROME(0): ViaVT162xInit||
||[  3808.283] (II) CHROME(0): Output TV-1 has no monitor section||
||[  3808.283] (II) CHROME(0): VT162xSave||
||[  3808.383] (II) CHROME(0): I2C device "I2C bus 1:ddc2" registered at 
address 0xA0.||
||[  3808.390] (--) CHROME(0): Test for CRT with VSYNC||
||[  3808.390] (II) CHROME(0): EDID for output VGA-1||
||[  3808.390] (II) CHROME(0): VT1625DACSense||
||[  3808.395] (WW) CHROME(0): VT1625: Unknown cable combination: 0x03D.||
||[  3808.395] (II) CHROME(0): EDID for output TV-1||
||[  3808.395] (II) CHROME(0): Output VGA-1 disconnected||
||[  3808.395] (II) CHROME(0): Output TV-1 disconnected||
||[  3808.395] (WW) CHROME(0): No outputs definitely connected, trying 
again...||
||[  3808.395] (II) CHROME(0): Output VGA-1 disconnected||
||[  3808.395] (II) CHROME(0): Output TV-1 disconnected||
||[  3808.395] (WW) CHROME(0): Unable to find connected outputs - 
setting 1024x768 initial framebuffer||
||[  3808.395] (II) CHROME(0): Using default gamma of (1.0, 1.0, 1.0) 
unless otherwise stated.||
||...|

When applying the patch, the driver "sees" my TV-1 being connected, but 
still just makes X quit:

|...||
||[  4036.653] (II) CHROME(0): Output VGA-1 using monitor section Monitor0||
||[  4036.654] (II) CHROME(0): ViaVT162xDetect||
||[  4036.654] (II) CHROME(0): I2C device "I2C bus 2:VT162x" registered 
at address 0x40.||
||[  4036.655] (--) CHROME(0): Detected VIA Technologies VT1625 TV Encoder||
||[  4036.655] (II) CHROME(0): ViaVT162xInit||
||[  4036.655] (II) CHROME(0): Output TV-1 has no monitor section||
||[  4036.655] (II) CHROME(0): VT162xSave||
||[  4036.755] (II) CHROME(0): I2C device "I2C bus 1:ddc2" registered at 
address 0xA0.||
||[  4036.762] (--) CHROME(0): Test for CRT with VSYNC||
||[  4036.763] (II) CHROME(0): EDID for output VGA-1||
||[  4036.763] (II) CHROME(0): Printing probed modes for output TV-1||
||[  4036.763] (II) CHROME(0): Modeline "640x480"x63.8   30.00  640 688 
744 784  480 488 495 600 -hsync -vsync (38.3 kHz d)||
||[  4036.763] (II) CHROME(0): Output VGA-1 disconnected||
||[  4036.763] (II) CHROME(0): Output TV-1 connected||<<-- result of the 
HACK
||[  4036.763] (II) CHROME(0): Using exact sizes for initial modes||
||[  4036.763] (II) CHROME(0): Output TV-1 using initial mode 640x480||
||[  4036.763] (II) CHROME(0): VIAFreeScreen||
||[  4036.763] (II) CHROME(0): VIAUnmapMem||
||[  4036.766] (II) CHROME(0): VIAFreeRec||
||[  4036.766] (II) CHROME(0): I2C device "I2C bus 2:VT1625" removed.|

This is the tail of my Xorg.0.log file.

Any ideas what I could test further? Happy to be of help.

Regards,
Willem

On 11/15/2012 11:35 PM, Willem van Asperen wrote:
> Hi All,
>
> Based on the patch supplied by Xavier I have created the following 
> patch on via_output.c:
>
> |343c343,344||
> ||<     if (ViaTVDACSense(pScrn))||
> ||---||
> ||>     // HACK: force TV connected to cater for EPIA board||
> ||>     //if (ViaTVDACSense(pScrn))||
> |
> This makes my TV-1 being seen as "connected", so that's the good news!
>
> Xorg.0.log:
> |...||
> ||[  4170.999] (II) CHROME(0): Printing probed modes for output TV-1||
> ||[  4170.999] (II) CHROME(0): Modeline "640x480"x63.8   30.00  640 
> 688 744 784  480 488 495 600 -hsync -vsync (38.3 kHz d)||
> ||[  4170.999] (II) CHROME(0): Output VGA-1 disconnected||
> ||[  4170.999] (II) CHROME(0): Output TV-1 connected||<<--- Result!
> ||[  4170.999] (II) CHROME(0): Using exact sizes for initial modes||
> ||[  4170.999] (II) CHROME(0): Output TV-1 using initial mode 640x480||
> ||[  4170.999] (II) CHROME(0): VIAFreeScreen||
> ||[  4170.999] (II) CHROME(0): VIAUnmapMem||
> ||[  4171.003] (II) CHROME(0): VIAFreeRec||
> ||[  4171.003] (II) CHROME(0): I2C device "I2C bus 2:VT1625" removed.||
> |
> The bad news is that it makes X go ploof... The above is actually the 
> tail of Xorg.0.log. After this, X just disappears.
>
> So there must be more to it.
>
> Any thoughts?
>
> Regards,
> Willem
>
> On 11/11/2012 11:14 PM, Xavier Bachelot wrote:
>> Hi Willem,
>>
>> On 11/10/2012 01:56 PM, Willem van Asperen wrote:
>>> I have been running Arch Linux on a VIA EPIA EX10000EG with success
>>> using version openchrome 0.2.906, until the upgrade of openchrome to
>>> 0.3.0. Since then my screen just comes up blank black.
>> I'm using the attached patch with an Epia EX. However, in my case, the
>> display is connected throught DVI-A using a DVI-to-VGA dongle. I'm not
>> sure how your board is connected, so that may or may not help.
>>
>> Regards,
>> Xavier
>

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