On Mo, 2015-09-28 at 14:36 +0200, Daniel Vetter wrote: > On Mon, Sep 28, 2015 at 09:39:13AM +0200, Gerd Hoffmann wrote: > > Hi, > > > > > As Daniel mentioned, the connector+encoder+crtc combination is one of > > > those simplifications that would make sense if more such drivers are > > > added. > > > > Another one is memory management. It's pretty complex because it can > > handle _way_ more than what simple drivers need, and the result is > > _alot_ of ttm boilerplate in the drivers. > > ttm is pretty impressive overkill for most simplistic drm drivers. If you > just need contiguous framebuffers for display then the cma helpers should > take care of pretty much all the boilerplate for you. They have ready-made > simple gem and dumb framebuffer mmap support, which is all a basic kms > driver needs. Does that work on !arm meanwhile? Last time I checked (when writing bochsdrm, around v3.14) the cma helpers didn't even build on x86 ... cheers, Gerd _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
