x video extension support for MGA G200eW WPCM450

Alex Deucher alexdeucher at gmail.com
Mon Jul 7 14:10:30 PDT 2014

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.


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