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

Willem van Asperen willem at van.asperen.org
Thu Nov 15 14:35:57 PST 2012


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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