[Openchrome-users] 1920x1080 via DFP on VX900?

[Xavier Bachelot]

On 04/03/2013 10:52 AM, Pascal Ernster wrote:
> On Tue, 2 Apr 2013 01:48:32 +0200
> Pascal Ernster <openchrome-users at hardfalcon.net> wrote:
>
>> Is there any possibility to get OpenChrome to support 1920x1080 via
>> DVI/HDMI on a VX900 (I'm using the latest trunk from git)?
>>
>> I've got a Zotac ZBox VD01 wit a VX900 nd a 1920x1080 TFT connected
>> via HDMI. 1440x900, 1400x1050 and some other resolutions are
>> working perfectly when I use the ForcePanel and the PanelSize options,
>> however 1920x1080 doesn't work. The card seems to try to set the mode,
>> the TFT doesn't switch into standby mode (as it would when
>> trying for instance "1680x1050"), but it stays all black nonetheless.
>>
>> I've aleady tried adding the mode (both correct resolution and panel)
>> to ViaResolutionTable[] in via_mode.h, but without success... :/
>>
>> Any hints?
>
> Thanks to schlobinuxes help in IRC, I've got 1080p to work via HDMI.
> You need to use openchrome-drm from git (so essentially, you have to
> build the whole kernel unless you're already running some Linux 3.9
> RC). 1080p also works with KMS enabled (via.modeset=1 in cmdline), but
> with KMS enabled, there's no XV support and (as schloblinux explained)
> just very little 2D acceleration (it's fast enough for "standard office
> work" though).
>
Just a note, you need the drm-openchrome kernel, not a "standard" 
kernel, even 3.9 rc, nothing has been included in upstream kernel yet.

There are a couple hints on KMS there :
http://www.freedesktop.org/wiki/Openchrome/TtmGemKms

> Thanks for the great efforts all of you are putting into this driver
> anyhow. You folks are terrific! :)
>
Thanks for testing and reporting back :-)

Regards,
Xavier