HD with Xvideo on i915GM (i810 driver)

[Alan Hourihane]

On Sat, 2006-10-21 at 01:53 -0400, Ken Mandelberg wrote:
> Alan Hourihane wrote:
> > On Wed, 2006-10-18 at 23:29 -0700, galenz at zinkconsulting.com wrote:
> >> On Oct 18, 2006, at 10:11 PM, Jeffrey W. Baker wrote:
> >>
> >>> On Thu, 2006-10-19 at 00:33 -0400, Ken Mandelberg wrote:
> >>>> I find that all of the video players (vlc, xine, mytthv) can't  
> >>>> display
> >>>> HD video on my Intel 915GM based laptop running with the i810 driver.
> >>>> xine and myth show blue screens, vlc reports
> >>>>
> >>>> X Error of failed request:  BadAlloc (insufficient resources for  
> >>>> operation)
> >>>>    Major opcode of failed request:  142 (XVideo)
> >>>>    Minor opcode of failed request:  19 ()
> >>>>
> >>>>
> >>>> I imagine all of them are seeing the same issue with XVideo at HD
> >>>> resolution. The problem is independent of the resolution of the  
> >>>> display,
> >>>> and is function of the source resolution.
> >>>>
> >>>> Any way around this?
> >>> Yes, it's in the manual page:
> >>>
> >>>        Option "LinearAlloc" "integer"
> >>>               Allows  more memory for the
> >>>               offscreen  allocator.  This
> >>>               usually helps in situations
> >>>               where   HDTV   movies   are
> >>>               required  to  play  but not
> >>>               enough offscreen memory  is
> >>>               usually available. Set this
> >>>               to 6144 for upto  1920x1080
> >>>               HDTV  support.  Default 0KB
> >>>               (off).
> >> Jeff's advice is correct. I have the same hardware and this will get  
> >> 720p working beautifully. However, on FC5 with the same hardware, I  
> >> can't get 1080i playing with XVideo. I am curious how things work out  
> >> for you.
> > 
> > Make sure you are using the latest driver 1.7.2 for 1080 support.
> > 
> > Alan.
> 
> LinearAlloc 6144 got me up to 720P as well. But I'm running the latest 
> modsetting branch driver
> 
>   git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
> 
> and have the 1080i problem.  I don't know the relationship of this to 
> 1.7.2. Any advise?

modesetting doesn't have the fixes, but in i830_video.c you have to bump
the MAX_HEIGHT to at least 1088.

Alan.