x video extension support for MGA G200eW WPCM450

Dave Airlie airlied at gmail.com
Mon Jul 7 14:43:28 PDT 2014

On 8 July 2014 07:10, Alex Deucher <alexdeucher at gmail.com> wrote:
> On Mon, Jul 7, 2014 at 6:40 AM, Raviv <raviv at trego.co.il> wrote:
>> Hi,
>> I'm porting a video application to a new x86 based hardware.
>> the video card listed when running lspci is :
>> VGA compatible controller: Matrox Graphics, Inc. MGA G200eW WPCM450 (rev 0a)
>> the application i'm porting uses x video extension API to present video on
>> the screen. how ever when i try to run the application it fails in
>> XvQueryAdaptors() which returns 0 adaptors. i also tried running testxv and
>> got the same results.
>> I am not sure i configured the x system correctly, but changes in x
>> configuration resulted the same.
>> Is this MGA hw support x video extension ? or should i change the code to
>> use some other API ?
> The original G200 cards supported Xv, but I suspect the newer G200
> server chips do not.  If you have one of the original G200's, make
> sure you are running the mga ddx rather than vesa or fbdev.

That's a server chip.

I've no idea if they have overlays, also not sure I want to find out,


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