On Wed, 2010-04-21 at 20:38 -0400, Alex Deucher wrote: > On Wed, Apr 21, 2010 at 6:26 PM, Alex Buell <alex.bu...@munted.org.uk> wrote: > > On Thu, 2010-04-22 at 07:55 +1000, Dave Airlie wrote: > >> > I'd like to step up for that, it'd let me learn a lot. I have > >> already > >> > extracted the r128 and its DRI from the 2.6.32 kernel tree and built > >> > them as modules and they both work just fine, with the binary > >> firmware. > >> > What's involved in making KMS work on PPC? I'm sure I need the KMS > >> > helpers and the TTM module as well right? > >> > >> For r128, it could actually re-use a lot of the radeon KMS code, in > >> fact nearly all of it. > >> > >> Alex Deucher started doing a UMS merge of radeon/r128 at one point > >> http://cgit.freedesktop.org/~agd5f/xf86-video-ati/log/?h=r128-support > >> > >> the main things would be adding the differences in the bios parsing, > >> and modesetting paths to KMS first. > > > > I'll start digging into the Radeon, see what I can learn about KMS > > integration. For now I'll build the r128 out of the tree, simplifies > > things a bit. Is that OK? > > > > Any further reading would be tremendously helpful. > > > > It should be pretty easy to get kms going with r128 by integrating it > into the radeon drm and ddx. The hard part will be porting the r128 > 3D driver to kms. Also, kms support for r128-based macs will be a bit > trickier than x86 because the boards don't have an x86 video bios. > You may have to look at the xf86-video-r128 ddx and atyr128 kernel fb > driver for properly setting up the cards without an x86 bios. Let me > know if you have any questions.
Also, I was wondering why these chipset specific _drm.h files are kept in include/drm/ i.e. r128_drm.h, radeon_drm.h and mga_drm.h instead of being within the drivers/gpu/drm/*/ directories? -- http://www.munted.org.uk One very high maintenance cat living here. _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
