x1250 horizontal tearing problems

[Roland Scheidegger]

Don't the the WAIT_UNTIL_CRTC_VLINE, WAIT_UNTIL_FE_CRTC_VLINE,
WAIT_UNTIL_RE_CRTC_VLINE conditions only work correctly when the
CRTC_GUI_TRIG_VLINE register is configured appropriately?

Roland


Alex Rades wrote:
> I've also just noticed that the above behaviour only applies when
> running xcompmgr. When there is no composite manager, The horizontal
> tearing is always present.
> 
> On Wed, Apr 30, 2008 at 3:06 PM, Alex Rades <alerades at gmail.com
> <mailto:alerades at gmail.com>> wrote:
> 
>     Just FYI,
>     I've tried the patch. It solves the problem when running in
>     fullscreen. If the window i'm playing the video in is smaller,
>     sometimes the horizontal tearing appears again. Moreover, if i run a
>     big enough window with  ARGB visual above the movie window, the
>     tearing appears as well. (this problem does not occur with smaller
>     ARGB windows)
> 
> 
>     On Tue, Apr 29, 2008 at 10:52 PM, Alex Deucher
>     <alexdeucher at gmail.com <mailto:alexdeucher at gmail.com>> wrote:
> 
>         On Tue, Apr 29, 2008 at 4:34 PM, Alex Rades <alerades at gmail.com
>         <mailto:alerades at gmail.com>> wrote:
>         > Hi,
>         > when playing videos (either in xv or plain x11) on my x1250, I
>         always see
>         > horizontal (not diagonal, which are now fixed) tearing
>         problems. They seem
>         > related to vertical sync problems. Do you have suggestions?
> 
>         We need sync to vblank support for textured video to properly deal
>         with that.  this untested hack may help, but it's not optimal:
>         http://www.botchco.com/alex/xorg/texvid_wait_vsync.diff
> 
>         Alex
> 
> 
> 
> 
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