[Openchrome-users] Problems with openchrome 0.3.1 on Epia EN15000G

[matt Jarvis]

I've tried forcing to 60Hz in the xorg.conf, doesn't actually make any
difference, I still end up with the same refresh rate. I'll continue to
play with the xorg.conf and give git master a go.


On Wed, Dec 12, 2012 at 9:56 PM, Xavier Bachelot <xavier at bachelot.org>wrote:

> On 12/12/2012 07:24 PM, matt Jarvis wrote:
> > I have an Epia EN15000G with CX700 chipset running minimyth, which was
> > working correctly using the 0.2.906 release. Having upgraded to the
> > latest minimyth which includes 0.3.1, I'm having some issues getting
> > Xorg to work properly. I'm using DVI to HDMI, through a surround sound
> > receiver and via HDMI from there into my TV.
> >
> > With the 0.2.906 release, I have the following in my xorg.conf :
> >
> > Section "Monitor"
> >     Identifier  "Monitor1"
> >     HorizSync 30.0-50.0
> >     VertRefresh 50.0-50.0
> > EndSection
> >
> > Section "Device"
> >     Identifier  "Device_openchrome"
> >     Driver      "openchrome"
> >     Option      "EnableAGPDMA"        "true"
> >     Option      "ActiveDevice"        "DFP"
> >     Option      "VBEModes"            "true"
> >     Option      "SWCursor"            "true"
> > EndSection
> >
> > Section "Screen"
> >     Identifier  "Screen1"
> >     Device      "Device_openchrome"
> >     Monitor     "Monitor1"
> >     DefaultDepth 24
> >
> >     Subsection "Display"
> >         Depth       24
> >         Virtual     1280 720
> >         ViewPort    0 0
> >         Modes       "1280x720"
> >     EndSubsection
> > EndSection
> >
> > With this release, xrandr -q shows :
> >
> > xrandr: Failed to get size of gamma for output default
> > Screen 0: minimum 640 x 480, current 1280 x 720, maximum 1280 x 720
> > default connected 1280x720+0+0 0mm x 0mm
> >    1280x720       51.0*
> >    800x600         0.0
> >    720x576        51.0
> >    720x540         0.0
> >    720x480         0.0
> >    640x480         0.0
> >
> > With the 0.3.1 release and this xorg.conf, I initially get a Video Not
> > Supported message from my TV.
> >
> > xrandr -q shows :
> >
> > Screen 0: minimum 320 x 200, current 1280 x 720, maximum 2047 x 2047
> > VGA-1 disconnected (normal left inverted right x axis y axis)
> > TV-1 disconnected
> > DP-1 connected 1280x720+0+0 (normal left inverted right x axis y axis)
> > 708mm x 398mm
> >    1280x720       50.0*+   60.0     50.0
> >    1280x768       60.0 +
> >    1920x1080i     25.0     30.0     25.0
> >    1920x1080      24.0
> >    1280x1024      60.0
> >    1360x768       60.0
> >    1440x576       50.0
> >    1440x576i      25.0
> >    1024x768       85.0     75.0     70.1     60.0
> >    1440x480       59.9
> >    1440x480i      30.0
> >    800x600        85.1     72.2     75.0     60.3
> >    720x576        50.0
> >    1440x288       50.1
> >    720x480        59.9
> >    1440x240       60.1
> >    640x480        85.0     75.0     72.8     59.9
> >    720x400        70.1
> >
> > If I manually switch the refresh rate to 60 using xrandr, I now get the
> > mythtv gui perfectly, but video playback using Xv is just a blue screen
> > but with the correct audio. I also get a log message saying :
> >
> > (EE) CHROME(0): [Xv] Port 0: Bandwidth is insufficient. Check bios
> > memory settings.
> >
> > I've attached my xorg.log which shows boot up, switching the refresh
> > rate and attempting to play video.
> >
> > If anyone can help point me in the right direction to get the correct
> > refresh rate on boot up, and with getting xv playback working again it
> > would be much appreciated :)
> >
> The Xv bandwidth issue is likely fixed in git master.
>
> About the refresh rate, you're forcing it to 50 Hz in your xorg conf.
> What happens if you remove the Monitor section ?
> Actually, I would give it a try without an xorg conf at all. You
> shouldn't need to force software cursor, nor agpdma and I'm wondering if
> VBE modes is really useful.
>
> Regards,
> Xavier
>
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