i815 and SC_PIXEL_MODE and DRM problem also

Eric Anholt eric at anholt.net
Sat May 5 02:27:47 UTC 2007

On Sat, 2007-05-05 at 03:18 +0200, Harald Schmalzbauer wrote:
> Hello,
> today I empowerd my old Vaio SRX41P (P3m at 800) with a fresh -current and 
> recognized that there persists a problem with SC_PIXEL_MODE. It seems to be 
> broken for my i815 integrated graphics controller since FreeBSD 5.x.
> vidcontrol -i mode shows me the 800x600x4 (106) mode, which some ATI card's 
> don't have, but with FreeBSD5 I always could enable "-g 100x37 VESA_800x600" 
> if that mode was shown. For the mentioned period I just get "not supported by 
> device".
> I also can remember that I had my puppy running OpenGL applications with 
> FreeBSD4/5. If I kldload drm and i915 the chipset isn't supported anymore.
> Was it intentional to remove i810 support? (but keep Vodoo/Glide???)

We have never supported i810 DRM on FreeBSD.  The i810 driver had some
extra VM tricks it was doing to do the command stream validation, so it
never got ported.

Eric Anholt                             anholt at FreeBSD.org
eric at anholt.net                         eric.anholt at intel.com

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