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

[matt Jarvis]

On Wed, Dec 12, 2012 at 10:02 PM, matt Jarvis <matt at mattjarvis.org.uk>wrote:

> 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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>>
>
The XV issue was fixed by moving to git master, thank you ! Also the
refresh rate problem was that the driver was associating that monitor
section with the VGA port and not the DVI port, so adding :

Option "monitor-DP-1" "dvi"

to the device section, and changing the monitor section to

Identifier "dvi"

The driver now forces the correct refresh rate on boot up.

I've also removed the SW Cursor, AGPDMA and VBE modes which weren't needed.
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